From ef3efdba816410c0be9619c36987b169b0387304 Mon Sep 17 00:00:00 2001
From: Kenneth Gitere <gitere81@gmail.com>
Date: Mon, 23 Nov 2020 09:39:56 +0300
Subject: [PATCH] Refactor to use temp directory and update surf

Change from using res directory for image downloads to using temp directories.
Update surf to v2 which required changing the way Content-Type headers are
read from.
---
 Cargo.lock       | 1933 +++++++++++++++++++++++++++-------------------
 Cargo.toml       |    2 +-
 src/extractor.rs |   71 +-
 src/main.rs      |   18 +-
 4 files changed, 1186 insertions(+), 838 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 45e53ef..c067c51 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,16 +1,85 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "adler32"
-version = "1.0.4"
+name = "addr2line"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d2e7343e7fc9de883d1b0341e0b13970f764c14101234857d2ddafa1cb1cac2"
+checksum = "7c0929d69e78dd9bf5408269919fcbcaeb2e35e5d43e5815517cdc6a8e11a423"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+
+[[package]]
+name = "adler32"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
+
+[[package]]
+name = "aead"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc95d1bdb8e6666b2b217308eeeb09f2d6728d104be3e31916cc74d15420331"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "884391ef1066acaa41e766ba8f596341b96e93ce34f9a43e7d24bf0a0eaf0561"
+dependencies = [
+ "aes-soft",
+ "aesni",
+ "cipher",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5278b5fabbb9bd46e24aa69b2fdea62c99088e0a950a9be40e3e0101298f88da"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "ghash",
+ "subtle",
+]
+
+[[package]]
+name = "aes-soft"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be14c7498ea50828a38d0e24a765ed2effe92a705885b57d029cd67d45744072"
+dependencies = [
+ "cipher",
+ "opaque-debug",
+]
+
+[[package]]
+name = "aesni"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea2e11f5e94c2f7d386164cc2aa1f97823fed6f259e486940a71c174dd01b0ce"
+dependencies = [
+ "cipher",
+ "opaque-debug",
+]
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.10"
+version = "0.7.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8716408b8bc624ed7f65d223ddb9ac2d044c0547b6fa4b0d554f3a9540496ada"
+checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
 dependencies = [
  "memchr",
 ]
@@ -21,44 +90,132 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 dependencies = [
- "winapi 0.3.8",
+ "winapi",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf8dcb5b4bbaa28653b647d8c77bd4ed40183b48882e130c1f1ffb73de069fd7"
+
+[[package]]
+name = "async-channel"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59740d83946db6a5af71ae25ddf9562c2b176b2ca42cf99a455f09f4a220d6b9"
+dependencies = [
+ "concurrent-queue",
+ "event-listener",
+ "futures-core",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb877970c7b440ead138f6321a3b5395d6061183af779340b65e20c0fede9146"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "once_cell",
+ "vec-arena",
+]
+
+[[package]]
+name = "async-global-executor"
+version = "1.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "73079b49cd26b8fd5a15f68fc7707fc78698dc2a3d61430f2a7a9430230dfa04"
+dependencies = [
+ "async-executor",
+ "async-io",
+ "futures-lite",
+ "num_cpus",
+ "once_cell",
+]
+
+[[package]]
+name = "async-io"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40a0b2bb8ae20fede194e779150fe283f65a4a08461b496de546ec366b174ad9"
+dependencies = [
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "libc",
+ "log 0.4.11",
+ "nb-connect",
+ "once_cell",
+ "parking",
+ "polling",
+ "vec-arena",
+ "waker-fn",
+ "winapi",
+]
+
+[[package]]
+name = "async-mutex"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479db852db25d9dbf6204e6cb6253698f175c15726470f78af0d918e99d6156e"
+dependencies = [
+ "event-listener",
 ]
 
 [[package]]
 name = "async-std"
-version = "1.5.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "538ecb01eb64eecd772087e5b6f7540cbc917f047727339a472dafed2185b267"
+checksum = "a7e82538bc65a25dbdff70e4c5439d52f068048ab97cdea0acd73f131594caa1"
 dependencies = [
- "async-task",
- "crossbeam-channel 0.4.2",
- "crossbeam-deque",
- "crossbeam-utils 0.7.2",
+ "async-global-executor",
+ "async-io",
+ "async-mutex",
+ "blocking",
+ "crossbeam-utils",
+ "futures-channel",
  "futures-core",
  "futures-io",
- "futures-timer",
+ "futures-lite",
+ "gloo-timers",
  "kv-log-macro",
- "log 0.4.8",
+ "log 0.4.11",
  "memchr",
- "mio",
- "mio-uds",
  "num_cpus",
  "once_cell",
  "pin-project-lite",
  "pin-utils",
  "slab",
+ "wasm-bindgen-futures",
 ]
 
 [[package]]
 name = "async-task"
-version = "1.3.1"
+version = "4.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ac2c016b079e771204030951c366db398864f5026f84a44dafb0ff20f02085d"
+checksum = "e91831deabf0d6d7ec49552e489aed63b7456a7a3c46cff62adad428110b0af0"
+
+[[package]]
+name = "async-trait"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
- "libc",
- "winapi 0.3.8",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
+[[package]]
+name = "atomic-waker"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -67,42 +224,46 @@ checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
  "hermit-abi",
  "libc",
- "winapi 0.3.8",
+ "winapi",
 ]
 
 [[package]]
 name = "autocfg"
-version = "0.1.7"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
-[[package]]
-name = "autocfg"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "backtrace"
-version = "0.3.46"
+version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1e692897359247cc6bb902933361652380af0f1b7651ae5c5013407f30e109e"
+checksum = "ef5140344c85b01f9bbb4d4b7288a8aa4b3287ccef913a14bcc78a1063623598"
 dependencies = [
- "backtrace-sys",
- "cfg-if",
+ "addr2line",
+ "cfg-if 1.0.0",
  "libc",
+ "miniz_oxide 0.4.3",
+ "object",
  "rustc-demangle",
 ]
 
 [[package]]
-name = "backtrace-sys"
-version = "0.1.37"
+name = "base-x"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18fbebbe1c9d1f383a9cc7e8ccdb471b91c8d024ee9c2ca5b5346121fe8b4399"
-dependencies = [
- "cc",
- "libc",
-]
+checksum = "a4521f3e3d031370679b3b140beb36dfe4801b09ac77e30c61941f97df3ef28b"
+
+[[package]]
+name = "base64"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bitflags"
@@ -111,10 +272,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
-name = "bumpalo"
-version = "3.2.1"
+name = "block-buffer"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12ae9db68ad7fac5fe51304d20f016c911539251075a214f8e663babefa35187"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "blocking"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5e170dbede1f740736619b776d7251cb1b9095c435c34d8ca9f57fcd2f335e9"
+dependencies = [
+ "async-channel",
+ "async-task",
+ "atomic-waker",
+ "fastrand",
+ "futures-lite",
+ "once_cell",
+]
+
+[[package]]
+name = "bumpalo"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "byteorder"
@@ -124,13 +308,9 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bytes"
-version = "0.4.12"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
-dependencies = [
- "byteorder",
- "iovec",
-]
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
 [[package]]
 name = "bzip2"
@@ -144,19 +324,26 @@ dependencies = [
 
 [[package]]
 name = "bzip2-sys"
-version = "0.1.8+1.0.8"
+version = "0.1.9+1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05305b41c5034ff0e93937ac64133d109b5a2660114ec45e9760bc6816d83038"
+checksum = "ad3b39a260062fca31f7b0b12f207e8f2590a67d32ec7d59c20484b07ea7285e"
 dependencies = [
  "cc",
  "libc",
+ "pkg-config",
 ]
 
 [[package]]
-name = "cc"
-version = "1.0.52"
+name = "cache-padded"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3d87b23d6a92cd03af510a5ade527033f6aa6fa92161e2d5863a907d4c5e31d"
+checksum = "631ae5198c9be5e753e5cc215e1bd73c2b466a3565173db433f52bb9d3e66dba"
+
+[[package]]
+name = "cc"
+version = "1.0.65"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95752358c8f7552394baf48cd82695b345628ad3f170d607de3ca03b8dacca15"
 
 [[package]]
 name = "cfg-if"
@@ -165,21 +352,38 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
-name = "chrono"
-version = "0.4.11"
+name = "cfg-if"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "80094f509cf8b5ae86a4966a39b3ff66cd7e2a3e594accec3743ff3fabeab5b2"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
 dependencies = [
+ "libc",
  "num-integer",
  "num-traits",
- "time",
+ "time 0.1.44",
+ "winapi",
+]
+
+[[package]]
+name = "cipher"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12f8e7987cbd042a63249497f41aed09f8e65add917ea6566effbc56578d6801"
+dependencies = [
+ "generic-array",
 ]
 
 [[package]]
 name = "clap"
-version = "2.33.1"
+version = "2.33.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdfa80d47f954d53a35a64987ca1422f495b8d6483c0fe9f7117b36c2a792129"
+checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
 dependencies = [
  "ansi_term",
  "atty",
@@ -191,87 +395,72 @@ dependencies = [
 ]
 
 [[package]]
-name = "cloudabi"
-version = "0.0.3"
+name = "concurrent-queue"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+checksum = "30ed07550be01594c6026cff2a1d7fe9c8f683caa798e12b68694ac9e88286a3"
 dependencies = [
- "bitflags",
+ "cache-padded",
 ]
 
+[[package]]
+name = "const_fn"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c478836e029dcef17fb47c89023448c64f781a046e0300e257ad8225ae59afab"
+
+[[package]]
+name = "cookie"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "784ad0fbab4f3e9cef09f20e0aea6000ae08d2cb98ac4c0abc53df18803d702f"
+dependencies = [
+ "aes-gcm",
+ "base64 0.12.3",
+ "hkdf",
+ "hmac",
+ "percent-encoding",
+ "rand 0.7.3",
+ "sha2",
+ "time 0.2.23",
+ "version_check",
+]
+
+[[package]]
+name = "cpuid-bool"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
+
 [[package]]
 name = "crc32fast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
+checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
 dependencies = [
- "cfg-if",
-]
-
-[[package]]
-name = "crossbeam-channel"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8ec7fcd21571dc78f96cc96243cab8d8f035247c3efd16c687be154c3fa9efa"
-dependencies = [
- "crossbeam-utils 0.6.6",
-]
-
-[[package]]
-name = "crossbeam-channel"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cced8691919c02aac3cb0a1bc2e9b73d89e832bf9a06fc579d4e71b68a2da061"
-dependencies = [
- "crossbeam-utils 0.7.2",
- "maybe-uninit",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
-dependencies = [
- "crossbeam-epoch",
- "crossbeam-utils 0.7.2",
- "maybe-uninit",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
-dependencies = [
- "autocfg 1.0.0",
- "cfg-if",
- "crossbeam-utils 0.7.2",
- "lazy_static 1.4.0",
- "maybe-uninit",
- "memoffset",
- "scopeguard",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.6.6"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
+checksum = "ec91540d98355f690a86367e566ecad2e9e579f230230eb7c21398372be73ea5"
 dependencies = [
- "cfg-if",
- "lazy_static 1.4.0",
+ "autocfg",
+ "cfg-if 1.0.0",
+ "const_fn",
+ "lazy_static",
 ]
 
 [[package]]
-name = "crossbeam-utils"
-version = "0.7.2"
+name = "crypto-mac"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "4857fd85a0c34b3c3297875b747c1e02e06b6a0ea32dd892d8192b9ce0813ea6"
 dependencies = [
- "autocfg 1.0.0",
- "cfg-if",
- "lazy_static 1.4.0",
+ "generic-array",
+ "subtle",
 ]
 
 [[package]]
@@ -284,7 +473,7 @@ dependencies = [
  "dtoa-short",
  "itoa",
  "matches",
- "phf 0.8.0",
+ "phf",
  "proc-macro2",
  "quote",
  "smallvec",
@@ -302,10 +491,19 @@ dependencies = [
 ]
 
 [[package]]
-name = "curl"
-version = "0.4.29"
+name = "ctr"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "762e34611d2d5233a506a79072be944fddd057db2f18e04c0d6fa79e3fd466fd"
+checksum = "fb4a30d54f7443bf3d6191dcd486aca19e67cb3c49fa7a06a319966346707e7f"
+dependencies = [
+ "cipher",
+]
+
+[[package]]
+name = "curl"
+version = "0.4.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e268162af1a5fe89917ae25ba3b0a77c8da752bdc58e7dbb4f15b91fbd33756e"
 dependencies = [
  "curl-sys",
  "libc",
@@ -313,14 +511,14 @@ dependencies = [
  "openssl-sys",
  "schannel",
  "socket2",
- "winapi 0.3.8",
+ "winapi",
 ]
 
 [[package]]
 name = "curl-sys"
-version = "0.4.31+curl-7.70.0"
+version = "0.4.38+curl-7.73.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcd62757cc4f5ab9404bc6ca9f0ae447e729a1403948ce5106bd588ceac6a3b0"
+checksum = "498ecfb4f59997fd40023d62a9f1e506e768b2baeb59a1d311eb9751cdcd7e3f"
 dependencies = [
  "cc",
  "libc",
@@ -329,23 +527,20 @@ dependencies = [
  "openssl-sys",
  "pkg-config",
  "vcpkg",
- "winapi 0.3.8",
+ "winapi",
 ]
 
 [[package]]
-name = "debug_unreachable"
-version = "0.1.1"
+name = "data-encoding"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a032eac705ca39214d169f83e3d3da290af06d8d1d344d1baad2fd002dca4b3"
-dependencies = [
- "unreachable",
-]
+checksum = "993a608597367c6377b258c25d7120740f00ed23a2252b729b1932dd7866f908"
 
 [[package]]
 name = "derive_more"
-version = "0.99.5"
+version = "0.99.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2323f3f47db9a0e77ce7a300605d8d2098597fc451ed1a97bb1f6411bb550a7"
+checksum = "41cb0e6161ad61ed084a36ba71fbba9e3ac5aee3606fb607fe08da6acbcf3d8c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -353,10 +548,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "dtoa"
-version = "0.4.5"
+name = "digest"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4358a9e11b9a09cf52383b451b49a169e8d797b68aa02301ff586d70d9661ea3"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array",
+]
+
+[[package]]
+name = "discard"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+
+[[package]]
+name = "dtoa"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "134951f4028bdadb9b84baf4232681efbf277da25144b9b0ad65df75946c422b"
 
 [[package]]
 name = "dtoa-short"
@@ -368,15 +578,24 @@ dependencies = [
 ]
 
 [[package]]
-name = "epub-builder"
-version = "0.4.5"
+name = "encoding_rs"
+version = "0.8.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec3ebff643f4f6c8b66d6121d063eb2246e4e861421360f6f9977018381f8ce2"
+checksum = "801bbab217d7f79c0062f4f7205b5d4427c6d1a7bd7aafdd1475f7c59d62b283"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "epub-builder"
+version = "0.4.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b3101fe749e4801aa163b03eb41ef4b4e88986ac259de3562831672e0bdad1b"
 dependencies = [
  "chrono",
  "error-chain",
- "html2text",
- "lazy_static 1.4.0",
+ "html-escape",
+ "lazy_static",
  "mustache",
  "regex",
  "tempdir",
@@ -386,31 +605,67 @@ dependencies = [
 
 [[package]]
 name = "error-chain"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d371106cc88ffdfb1eabd7111e432da544f16f3e2d7bf1dfe8bf575f1df045cd"
+checksum = "2d2f06b9cac1506ece98fe3231e3cc9c4410ec3d5b1f24ae1c8946f0742cdefc"
 dependencies = [
  "backtrace",
  "version_check",
 ]
 
+[[package]]
+name = "event-listener"
+version = "2.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7531096570974c3a9dcf9e4b8e1cede1ec26cf5046219fb3b9d897503b9be59"
+
+[[package]]
+name = "fastrand"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca5faf057445ce5c9d4329e382b2ce7ca38550ef3b73a5348362d5f24e0c7fe3"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "flate2"
 version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2cfff41391129e0a856d6d822600b8d71179d46879e310417eb9c762eb178b42"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "crc32fast",
  "libc",
- "miniz_oxide",
+ "miniz_oxide 0.3.7",
+]
+
+[[package]]
+name = "flume"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bebadab126f8120d410b677ed95eee4ba6eb7c6dd8e34a5ec88a08050e26132"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "spinning_top",
 ]
 
 [[package]]
 name = "fnv"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "form_urlencoded"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ece68d15c92e84fa4f19d3780f1294e5ca82a78a6d515f1efaabcc144688be00"
+dependencies = [
+ "matches",
+ "percent-encoding",
+]
 
 [[package]]
 name = "fuchsia-cprng"
@@ -418,22 +673,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
-dependencies = [
- "bitflags",
- "fuchsia-zircon-sys",
-]
-
-[[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
-
 [[package]]
 name = "futf"
 version = "0.1.4"
@@ -445,97 +684,84 @@ dependencies = [
 ]
 
 [[package]]
-name = "futures"
-version = "0.1.29"
+name = "futures-channel"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b980f2816d6ee8673b6517b52cb0e808a180efc92e5c19d02cdda79066703ef"
-
-[[package]]
-name = "futures-channel-preview"
-version = "0.3.0-alpha.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5e5f4df964fa9c1c2f8bddeb5c3611631cacd93baf810fc8bb2fb4b495c263a"
+checksum = "4b7109687aa4e177ef6fe84553af6280ef2778bdb7783ba44c9dc3399110fe64"
 dependencies = [
- "futures-core-preview",
- "futures-sink-preview",
+ "futures-core",
 ]
 
 [[package]]
 name = "futures-core"
-version = "0.3.4"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f25592f769825e89b92358db00d26f965761e094951ac44d3663ef25b7ac464a"
-
-[[package]]
-name = "futures-core-preview"
-version = "0.3.0-alpha.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b35b6263fb1ef523c3056565fa67b1d16f0a8604ff12b11b08c25f28a734c60a"
-
-[[package]]
-name = "futures-executor-preview"
-version = "0.3.0-alpha.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75236e88bd9fe88e5e8bfcd175b665d0528fe03ca4c5207fabc028c8f9d93e98"
-dependencies = [
- "futures-core-preview",
- "futures-util-preview",
- "num_cpus",
-]
+checksum = "847ce131b72ffb13b6109a221da9ad97a64cbe48feb1028356b836b47b8f1748"
 
 [[package]]
 name = "futures-io"
-version = "0.3.4"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a638959aa96152c7a4cddf50fcb1e3fede0583b27157c26e67d6f99904090dc6"
+checksum = "611834ce18aaa1bd13c4b374f5d653e1027cf99b6b502584ff8c9a64413b30bb"
 
 [[package]]
-name = "futures-io-preview"
-version = "0.3.0-alpha.19"
+name = "futures-lite"
+version = "1.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4914ae450db1921a56c91bde97a27846287d062087d4a652efc09bb3a01ebda"
-
-[[package]]
-name = "futures-preview"
-version = "0.3.0-alpha.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b1dce2a0267ada5c6ff75a8ba864b4e679a9e2aa44262af7a3b5516d530d76e"
+checksum = "5e6c079abfac3ab269e2927ec048dabc89d009ebfdda6b8ee86624f30c689658"
 dependencies = [
- "futures-channel-preview",
- "futures-core-preview",
- "futures-executor-preview",
- "futures-io-preview",
- "futures-sink-preview",
- "futures-util-preview",
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "memchr",
+ "parking",
+ "pin-project-lite",
+ "waker-fn",
 ]
 
 [[package]]
-name = "futures-sink-preview"
-version = "0.3.0-alpha.19"
+name = "futures-macro"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f148ef6b69f75bb610d4f9a2336d4fc88c4b5b67129d1a340dd0fd362efeec"
-
-[[package]]
-name = "futures-timer"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1de7508b218029b0f01662ed8f61b1c964b3ae99d6f25462d0f55a595109df6"
-
-[[package]]
-name = "futures-util-preview"
-version = "0.3.0-alpha.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ce968633c17e5f97936bd2797b6e38fb56cf16a7422319f7ec2e30d3c470e8d"
+checksum = "77408a692f1f97bcc61dc001d752e00643408fbc922e4d634c655df50d595556"
 dependencies = [
- "futures",
- "futures-channel-preview",
- "futures-core-preview",
- "futures-io-preview",
- "futures-sink-preview",
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f878195a49cee50e006b02b93cf7e0a95a38ac7b776b4c4d9cc1207cd20fcb3d"
+
+[[package]]
+name = "futures-task"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c554eb5bf48b2426c4771ab68c6b14468b6e76cc90996f528c3338d761a4d0d"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "futures-util"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d304cff4a7b99cfb7986f7d43fbe93d175e72e704a8860787cc95e9ffd85cbd2"
+dependencies = [
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-task",
  "memchr",
+ "pin-project 1.0.2",
  "pin-utils",
+ "proc-macro-hack",
+ "proc-macro-nested",
  "slab",
- "tokio-io",
 ]
 
 [[package]]
@@ -548,14 +774,52 @@ dependencies = [
 ]
 
 [[package]]
-name = "getrandom"
-version = "0.1.14"
+name = "generic-array"
+version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
+checksum = "501466ecc8a30d1d3b7fc9229b122b2ce8ed6e9d9223f1138d4babb253e51817"
 dependencies = [
- "cfg-if",
+ "typenum",
+ "version_check",
+]
+
+[[package]]
+name = "getrandom"
+version = "0.1.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc587bc0ec293155d5bfa6b9891ec18a1e330c234f896ea47fbada4cadbe47e6"
+dependencies = [
+ "cfg-if 0.1.10",
  "libc",
- "wasi",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
+[[package]]
+name = "ghash"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6e27f0689a6e15944bdce7e45425efb87eaa8ab0c6e87f11d0987a9133e2531"
+dependencies = [
+ "polyval",
+]
+
+[[package]]
+name = "gimli"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6503fe142514ca4799d4c26297c4248239fe8838d827db6bd6065c6ed29a6ce"
+
+[[package]]
+name = "gloo-timers"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47204a46aaff920a1ea58b11d03dec6f704287d27561724a4631e450654a891f"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
 ]
 
 [[package]]
@@ -569,37 +833,40 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.12"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61565ff7aaace3525556587bd2dc31d4a07071957be715e63ce7b1eccf51a8f4"
+checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
 dependencies = [
  "libc",
 ]
 
 [[package]]
-name = "html2text"
-version = "0.1.11"
+name = "hkdf"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ef299252d5e587c661782f06d87677d2fb41e4dfc045fbc234dc7f4aa960521"
+checksum = "51ab2f639c231793c5f6114bdb9bbe50a7dbbfcd7c7c6bd8475dec2d991e964f"
 dependencies = [
- "backtrace",
- "html5ever 0.24.1",
- "html5ever-atoms",
- "unicode-width",
+ "digest",
+ "hmac",
 ]
 
 [[package]]
-name = "html5ever"
-version = "0.24.1"
+name = "hmac"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "025483b0a1e4577bb28578318c886ee5f817dda6eb62473269349044406644cb"
+checksum = "c1441c6b1e930e2817404b5046f1f989899143a12bf92de603b69f4e0aee1e15"
 dependencies = [
- "log 0.4.8",
- "mac",
- "markup5ever 0.9.0",
- "proc-macro2",
- "quote",
- "syn",
+ "crypto-mac",
+ "digest",
+]
+
+[[package]]
+name = "html-escape"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d348900ce941b7474395ba922ed3735a517df4546a2939ddb416ce85eeaa988e"
+dependencies = [
+ "utf8-width",
 ]
 
 [[package]]
@@ -608,35 +875,60 @@ version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aafcf38a1a36118242d29b92e1b08ef84e67e4a5ed06e0a80be20e6a32bfed6b"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
  "mac",
- "markup5ever 0.10.0",
+ "markup5ever",
  "proc-macro2",
  "quote",
  "syn",
 ]
 
-[[package]]
-name = "html5ever-atoms"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e4a291981feff7291514f8219d5cd2c740d0c042d75cff248a7c00a025f9d40"
-dependencies = [
- "string_cache 0.5.2",
- "string_cache_codegen 0.4.4",
-]
-
 [[package]]
 name = "http"
-version = "0.1.21"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6ccf5ede3a895d8856620237b2f02972c1bbc78d2965ad7fe8838d4a0ed41f0"
+checksum = "28d569972648b2c512421b5f2a405ad6ac9666547189d0c5477a3f200f3e02f9"
 dependencies = [
  "bytes",
  "fnv",
  "itoa",
 ]
 
+[[package]]
+name = "http-client"
+version = "6.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "010092b71b94ee49293995625ce7a607778b8b4099c8088fa84fd66bd3e0f21c"
+dependencies = [
+ "async-std",
+ "async-trait",
+ "http-types",
+ "isahc",
+ "log 0.4.11",
+]
+
+[[package]]
+name = "http-types"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f316f6a06306570e899238d3b85375f350cfceda60ec47807c4164d6e169e58"
+dependencies = [
+ "anyhow",
+ "async-channel",
+ "async-std",
+ "base64 0.13.0",
+ "cookie",
+ "futures-lite",
+ "infer",
+ "pin-project-lite",
+ "rand 0.7.3",
+ "serde",
+ "serde_json",
+ "serde_qs",
+ "serde_urlencoded",
+ "url",
+]
+
 [[package]]
 name = "idna"
 version = "0.2.0"
@@ -649,59 +941,58 @@ dependencies = [
 ]
 
 [[package]]
-name = "iovec"
-version = "0.1.4"
+name = "infer"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
+checksum = "64e9829a50b42bb782c1df523f78d332fe371b10c661e78b7a3c34b0198e9fac"
+
+[[package]]
+name = "instant"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
 dependencies = [
- "libc",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
 name = "isahc"
-version = "0.7.6"
+version = "0.9.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17b77027f12e53ae59a379f7074259d32eb10867e6183388020e922832d9c3fb"
+checksum = "80aafab09693e9fa74b76ef207c55dc1cba5d9d5dc6dcc1b6a96d008a98000e9"
 dependencies = [
  "bytes",
- "crossbeam-channel 0.3.9",
- "crossbeam-utils 0.6.6",
+ "crossbeam-utils",
  "curl",
  "curl-sys",
- "futures-io-preview",
- "futures-util-preview",
+ "flume",
+ "futures-lite",
  "http",
- "lazy_static 1.4.0",
- "log 0.4.8",
+ "log 0.4.11",
+ "once_cell",
  "slab",
  "sluice",
+ "tracing",
+ "tracing-futures",
+ "url",
+ "waker-fn",
 ]
 
 [[package]]
 name = "itoa"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8b7a7c0c47db5545ed3fef7468ee7bb5b74691498139e4b3f6a20685dc6dd8e"
+checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
 name = "js-sys"
-version = "0.3.38"
+version = "0.3.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b823ebafcee1632403f2782d28728aab353f7881547a700043ef455c078326f"
+checksum = "ca059e81d9486668f12d455a4ea6daa600bd408134cd17e3d3fb5a32d1f016f8"
 dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "kernel32-sys"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
-
 [[package]]
 name = "kuchiki"
 version = "0.8.1"
@@ -709,26 +1000,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ea8e9c6e031377cff82ee3001dc8026cdf431ed4e2e6b51f98ab8c73484a358"
 dependencies = [
  "cssparser",
- "html5ever 0.25.1",
+ "html5ever",
  "matches",
  "selectors",
 ]
 
 [[package]]
 name = "kv-log-macro"
-version = "1.0.4"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c54d9f465d530a752e6ebdc217e081a7a614b48cb200f6f0aee21ba6bc9aabb"
+checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -737,15 +1022,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.69"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99e85c08494b21a9054e7fe1374a732aeadaff3980b6990b94bfd3a70f690005"
+checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
 
 [[package]]
 name = "libnghttp2-sys"
-version = "0.1.3"
+version = "0.1.4+1.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b359f5ec8106bc297694c9a562ace312be2cfd17a5fc68dc12249845aa144b11"
+checksum = "03624ec6df166e79e139a2310ca213283d6b3c30810c54844f307086d4488df1"
 dependencies = [
  "cc",
  "libc",
@@ -753,9 +1038,9 @@ dependencies = [
 
 [[package]]
 name = "libz-sys"
-version = "1.0.25"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
+checksum = "602113192b08db8f38796c4e85c39e960c145965140e918018bcde1952429655"
 dependencies = [
  "cc",
  "libc",
@@ -763,22 +1048,31 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "lock_api"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd96ffd135b2fd7b973ac026d28085defbe8983df057ced3eb4f2130b0831312"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 dependencies = [
- "log 0.4.8",
+ "log 0.4.11",
 ]
 
 [[package]]
 name = "log"
-version = "0.4.8"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
 ]
 
 [[package]]
@@ -787,37 +1081,20 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4"
 
-[[package]]
-name = "markup5ever"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65381d9d47506b8592b97c4efd936afcf673b09b059f2bef39c7211ee78b9d03"
-dependencies = [
- "log 0.4.8",
- "phf 0.7.24",
- "phf_codegen 0.7.24",
- "serde 1.0.106",
- "serde_derive",
- "serde_json",
- "string_cache 0.7.5",
- "string_cache_codegen 0.4.4",
- "tendril",
-]
-
 [[package]]
 name = "markup5ever"
 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aae38d669396ca9b707bfc3db254bc382ddb94f57cc5c235f34623a669a01dab"
 dependencies = [
- "log 0.4.8",
- "phf 0.8.0",
- "phf_codegen 0.8.0",
- "serde 1.0.106",
+ "log 0.4.11",
+ "phf",
+ "phf_codegen",
+ "serde",
  "serde_derive",
  "serde_json",
- "string_cache 0.8.0",
- "string_cache_codegen 0.5.1",
+ "string_cache",
+ "string_cache_codegen",
  "tendril",
 ]
 
@@ -827,12 +1104,6 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 
-[[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
 [[package]]
 name = "md5"
 version = "0.7.0"
@@ -841,18 +1112,9 @@ checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
 
 [[package]]
 name = "memchr"
-version = "2.3.3"
+version = "2.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
-
-[[package]]
-name = "memoffset"
-version = "0.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4fc2c02a7e374099d4ee95a193111f72d2110197fe200272371758f6c3643d8"
-dependencies = [
- "autocfg 1.0.0",
-]
+checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
 name = "mime"
@@ -872,53 +1134,21 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.6"
+version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa679ff6578b1cddee93d7e82e263b94a575e0bfced07284eb0c037c1d2416a5"
+checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
 dependencies = [
  "adler32",
 ]
 
 [[package]]
-name = "mio"
-version = "0.6.21"
+name = "miniz_oxide"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
+checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 dependencies = [
- "cfg-if",
- "fuchsia-zircon",
- "fuchsia-zircon-sys",
- "iovec",
- "kernel32-sys",
- "libc",
- "log 0.4.8",
- "miow",
- "net2",
- "slab",
- "winapi 0.2.8",
-]
-
-[[package]]
-name = "mio-uds"
-version = "0.6.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "966257a94e196b11bb43aca423754d87429960a768de9414f3691d6957abf125"
-dependencies = [
- "iovec",
- "libc",
- "mio",
-]
-
-[[package]]
-name = "miow"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
-dependencies = [
- "kernel32-sys",
- "net2",
- "winapi 0.2.8",
- "ws2_32-sys",
+ "adler",
+ "autocfg",
 ]
 
 [[package]]
@@ -928,18 +1158,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51956ef1c5d20a1384524d91e616fb44dfc7d8f249bf696d49c97dd3289ecab5"
 dependencies = [
  "log 0.3.9",
- "serde 1.0.106",
+ "serde",
 ]
 
 [[package]]
-name = "net2"
-version = "0.2.33"
+name = "nb-connect"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
+checksum = "8123a81538e457d44b933a02faf885d3fe8408806b23fa700e8f01c6c3a98998"
 dependencies = [
- "cfg-if",
  "libc",
- "winapi 0.3.8",
+ "winapi",
 ]
 
 [[package]]
@@ -956,21 +1185,21 @@ checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
 [[package]]
 name = "num-integer"
-version = "0.1.42"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "num-traits",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.2.11"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
 ]
 
 [[package]]
@@ -984,10 +1213,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "once_cell"
-version = "1.3.1"
+name = "object"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1c601810575c99596d4afc46f78a678c80105117c379eb3650cf99b8a21ce5b"
+checksum = "8d3b63360ec3cb337817c2dbd47ab4a0f170d285d8e5a2064600f3def1402397"
+
+[[package]]
+name = "once_cell"
+version = "1.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
 [[package]]
 name = "openssl-probe"
@@ -997,11 +1238,11 @@ checksum = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.55"
+version = "0.9.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7717097d810a0f2e2323f9e5d11e71608355e24828410b55b9d4f18aa5f9a5d8"
+checksum = "a842db4709b604f0fe5d1170ae3565899be2ad3d9cbc72dedc789ac0511f78de"
 dependencies = [
- "autocfg 1.0.0",
+ "autocfg",
  "cc",
  "libc",
  "pkg-config",
@@ -1014,9 +1255,9 @@ version = "0.1.0-alpha1"
 dependencies = [
  "async-std",
  "epub-builder",
- "html5ever 0.25.1",
+ "html5ever",
  "kuchiki",
- "lazy_static 1.4.0",
+ "lazy_static",
  "md5",
  "regex",
  "structopt",
@@ -1024,21 +1265,18 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "parking"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "427c3892f9e783d91cc128285287e70a59e206ca452770ece88a76f7a3eddd72"
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "phf"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3da44b85f8e8dfaec21adae67f95d93244b2ecf6ad2a692320598dcc8e6dd18"
-dependencies = [
- "phf_shared 0.7.24",
-]
-
 [[package]]
 name = "phf"
 version = "0.8.0"
@@ -1046,38 +1284,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
 dependencies = [
  "phf_macros",
- "phf_shared 0.8.0",
+ "phf_shared",
  "proc-macro-hack",
 ]
 
-[[package]]
-name = "phf_codegen"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b03e85129e324ad4166b06b2c7491ae27fe3ec353af72e72cd1654c7225d517e"
-dependencies = [
- "phf_generator 0.7.24",
- "phf_shared 0.7.24",
-]
-
 [[package]]
 name = "phf_codegen"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
 dependencies = [
- "phf_generator 0.8.0",
- "phf_shared 0.8.0",
-]
-
-[[package]]
-name = "phf_generator"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09364cc93c159b8b06b1f4dd8a4398984503483891b0c26b867cf431fb132662"
-dependencies = [
- "phf_shared 0.7.24",
- "rand 0.6.5",
+ "phf_generator",
+ "phf_shared",
 ]
 
 [[package]]
@@ -1086,7 +1304,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
 dependencies = [
- "phf_shared 0.8.0",
+ "phf_shared",
  "rand 0.7.3",
 ]
 
@@ -1096,37 +1314,68 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f6fde18ff429ffc8fe78e2bf7f8b7a5a5a6e2a8b58bc5a9ac69198bbda9189c"
 dependencies = [
- "phf_generator 0.8.0",
- "phf_shared 0.8.0",
+ "phf_generator",
+ "phf_shared",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
  "syn",
 ]
 
-[[package]]
-name = "phf_shared"
-version = "0.7.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "234f71a15de2288bcb7e3b6515828d22af7ec8598ee6d24c3b526fa0a80b67a0"
-dependencies = [
- "siphasher 0.2.3",
-]
-
 [[package]]
 name = "phf_shared"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
 dependencies = [
- "siphasher 0.3.3",
+ "siphasher",
+]
+
+[[package]]
+name = "pin-project"
+version = "0.4.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ffbc8e94b38ea3d2d8ba92aea2983b503cd75d0888d75b86bb37970b5698e15"
+dependencies = [
+ "pin-project-internal 0.4.27",
+]
+
+[[package]]
+name = "pin-project"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ccc2237c2c489783abd8c4c80e5450fc0e98644555b1364da68cc29aa151ca7"
+dependencies = [
+ "pin-project-internal 1.0.2",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "0.4.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8e8d2bf0b23038a4424865103a4df472855692821aab4e4f5c3312d461d9e5f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.1.4"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "237844750cfbb86f67afe27eee600dfbbcb6188d734139b534cbfbf4f96792ae"
+checksum = "c917123afa01924fc84bb20c4c03f004d9c38e5127e3c039bbf7f4b9c76a2f6b"
 
 [[package]]
 name = "pin-utils"
@@ -1136,21 +1385,38 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+checksum = "3831453b3449ceb48b6d9c7ad7c96d5ea673e9b470a1dc578c2ce6521230884c"
 
 [[package]]
-name = "podio"
-version = "0.1.6"
+name = "polling"
+version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "780fb4b6698bbf9cf2444ea5d22411cef2953f0824b98f33cf454ec5615645bd"
+checksum = "a2a7bc6b2a29e632e45451c941832803a18cce6781db04de8a04696cdca8bde4"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "log 0.4.11",
+ "wepoll-sys",
+ "winapi",
+]
+
+[[package]]
+name = "polyval"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5884790f1ce3553ad55fec37b5aaac5882e0e845a2612df744d6c85c9bf046c"
+dependencies = [
+ "cfg-if 0.1.10",
+ "universal-hash",
+]
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.6"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
+checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "precomputed-hash"
@@ -1160,9 +1426,9 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
 name = "proc-macro-error"
-version = "1.0.2"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "98e9e4b82e0ef281812565ea4751049f1bdcdfccda7d3f459f2e138a40c08678"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
 dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
@@ -1173,37 +1439,41 @@ dependencies = [
 
 [[package]]
 name = "proc-macro-error-attr"
-version = "1.0.2"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f5444ead4e9935abd7f27dc51f7e852a0569ac888096d5ec2499470794e2e53"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
- "syn-mid",
  "version_check",
 ]
 
 [[package]]
 name = "proc-macro-hack"
-version = "0.5.15"
+version = "0.5.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d659fe7c6d27f25e9d80a1a094c223f5246f6a6596453e09d7229bf42750b63"
+checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
+
+[[package]]
+name = "proc-macro-nested"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eba180dafb9038b050a4c280019bbedf9f2467b61e5d892dcad585bb57aadc5a"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.10"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df246d292ff63439fea9bc8c0a270bed0e390d5ebd4db4ba15aba81111b5abe3"
+checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
  "unicode-xid",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.3"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bdc6c187c65bca4260c9011c9e3132efe4909da44726bad24cf7572ae338d7f"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
 dependencies = [
  "proc-macro2",
 ]
@@ -1218,26 +1488,7 @@ dependencies = [
  "libc",
  "rand_core 0.3.1",
  "rdrand",
- "winapi 0.3.8",
-]
-
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha 0.1.1",
- "rand_core 0.4.2",
- "rand_hc 0.1.0",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg 0.1.2",
- "rand_xorshift",
- "winapi 0.3.8",
+ "winapi",
 ]
 
 [[package]]
@@ -1248,20 +1499,10 @@ checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
  "getrandom",
  "libc",
- "rand_chacha 0.2.2",
+ "rand_chacha",
  "rand_core 0.5.1",
- "rand_hc 0.2.0",
- "rand_pcg 0.2.1",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
+ "rand_hc",
+ "rand_pcg",
 ]
 
 [[package]]
@@ -1298,15 +1539,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -1316,50 +1548,6 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi 0.3.8",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi 0.3.8",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
-]
-
 [[package]]
 name = "rand_pcg"
 version = "0.2.1"
@@ -1369,15 +1557,6 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rdrand"
 version = "0.4.0"
@@ -1389,15 +1568,15 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "regex"
-version = "1.3.9"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
+checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -1407,39 +1586,48 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.18"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
+checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
 
 [[package]]
 name = "remove_dir_all"
-version = "0.5.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
+checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
 dependencies = [
- "winapi 0.3.8",
+ "winapi",
 ]
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.16"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
+checksum = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
 
 [[package]]
 name = "ryu"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
+checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "schannel"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "039c25b130bd8c1321ee2d7de7fde2659fa9c2744e4bb29711cfc852ea53cd19"
+checksum = "8f05ba609c234e60bee0d547fe94a4c7e9da733d1c962cf6e59efa4cd9c8bc75"
 dependencies = [
- "lazy_static 1.4.0",
- "winapi 0.3.8",
+ "lazy_static",
+ "winapi",
 ]
 
 [[package]]
@@ -1458,10 +1646,10 @@ dependencies = [
  "cssparser",
  "derive_more",
  "fxhash",
- "log 0.4.8",
+ "log 0.4.11",
  "matches",
- "phf 0.8.0",
- "phf_codegen 0.8.0",
+ "phf",
+ "phf_codegen",
  "precomputed-hash",
  "servo_arc",
  "smallvec",
@@ -1469,22 +1657,34 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "0.9.15"
+name = "semver"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34b623917345a631dc9608d5194cc206b3fe6c3554cd1c75b937e55e285254af"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.106"
+version = "1.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36df6ac6412072f67cf767ebbde4133a5b2e88e76dc6187fa7104cd16f783399"
+checksum = "b88fa983de7720629c9387e9f517353ed404164b1e482c970a90c1a4aaf7dc1a"
+dependencies = [
+ "serde_derive",
+]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.106"
+version = "1.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e549e3abf4fb8621bd1609f11dfc9f5e50320802273b12f3811a67e6716ea6c"
+checksum = "cbd1ae72adb44aab48f325a02444a5fc079349a8d804c1fc922aed3f7454c74e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1493,25 +1693,37 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.52"
+version = "1.0.59"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7894c8ed05b7a3a279aeb79025fdec1d3158080b75b98a08faf2806bb799edd"
+checksum = "dcac07dbffa1c65e7f816ab9eba78eb142c6d44410f4eeba1e26e4f5dfa56b95"
 dependencies = [
  "itoa",
  "ryu",
- "serde 1.0.106",
+ "serde",
+]
+
+[[package]]
+name = "serde_qs"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9408a61dabe404c76cec504ec510f7d92f41dc0a9362a0db8ab73d141cfbf93f"
+dependencies = [
+ "data-encoding",
+ "percent-encoding",
+ "serde",
+ "thiserror",
 ]
 
 [[package]]
 name = "serde_urlencoded"
-version = "0.6.1"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
+checksum = "edfa57a7f8d9c1d260a549e7224100f6c43d43f9103e06dd8b4095a9b2b43ce9"
 dependencies = [
- "dtoa",
+ "form_urlencoded",
  "itoa",
- "serde 1.0.106",
- "url",
+ "ryu",
+ "serde",
 ]
 
 [[package]]
@@ -1525,10 +1737,23 @@ dependencies = [
 ]
 
 [[package]]
-name = "siphasher"
-version = "0.2.3"
+name = "sha1"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
+checksum = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
+
+[[package]]
+name = "sha2"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e7aab86fe2149bad8c507606bdb3f4ef5e7b2380eb92350f56122cca72a42a8"
+dependencies = [
+ "block-buffer",
+ "cfg-if 1.0.0",
+ "cpuid-bool",
+ "digest",
+ "opaque-debug",
+]
 
 [[package]]
 name = "siphasher"
@@ -1544,93 +1769,117 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "sluice"
-version = "0.4.2"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a7d06dfb3e8743bc19e6de8a302277471d08077d68946b307280496dc5a3531"
+checksum = "8e24ed1edc8e774f2ec098b0650eec82bfc7c59ddd16cd0e17797bdc92ce2bf1"
 dependencies = [
- "futures-channel-preview",
- "futures-core-preview",
- "futures-io-preview",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
 ]
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
+checksum = "7acad6f34eb9e8a259d3283d1e8c1d34d7415943d4895f65cc73813c7396fc85"
 
 [[package]]
 name = "socket2"
-version = "0.3.12"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03088793f677dce356f3ccc2edb1b314ad191ab702a5de3faf49304f7e104918"
+checksum = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
- "winapi 0.3.8",
+ "winapi",
+]
+
+[[package]]
+name = "spinning_top"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e529d73e80d64b5f2631f9035113347c578a1c9c7774b83a2b880788459ab36"
+dependencies = [
+ "lock_api",
 ]
 
 [[package]]
 name = "stable_deref_trait"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
+checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
 
 [[package]]
-name = "string_cache"
-version = "0.5.2"
+name = "standback"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7c8ba7515dd502b75080d989b819d31fb72686a82320d8006f665003c42ef79"
+checksum = "cf906c8b8fc3f6ecd1046e01da1d8ddec83e48c8b08b84dcc02b585a6bedf5a8"
 dependencies = [
- "debug_unreachable",
- "lazy_static 0.2.11",
- "phf_shared 0.7.24",
- "precomputed-hash",
- "serde 0.9.15",
- "string_cache_codegen 0.4.4",
- "string_cache_shared",
+ "version_check",
 ]
 
 [[package]]
-name = "string_cache"
-version = "0.7.5"
+name = "stdweb"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89c058a82f9fd69b1becf8c274f412281038877c553182f1d02eb027045a2d67"
+checksum = "d022496b16281348b52d0e30ae99e01a73d737b2f45d38fed4edf79f9325a1d5"
 dependencies = [
- "lazy_static 1.4.0",
- "new_debug_unreachable",
- "phf_shared 0.7.24",
- "precomputed-hash",
- "serde 1.0.106",
- "string_cache_codegen 0.4.4",
- "string_cache_shared",
+ "discard",
+ "rustc_version",
+ "stdweb-derive",
+ "stdweb-internal-macros",
+ "stdweb-internal-runtime",
+ "wasm-bindgen",
 ]
 
 [[package]]
-name = "string_cache"
-version = "0.8.0"
+name = "stdweb-derive"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2940c75beb4e3bf3a494cef919a747a2cb81e52571e212bfbd185074add7208a"
+checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 dependencies = [
- "lazy_static 1.4.0",
- "new_debug_unreachable",
- "phf_shared 0.8.0",
- "precomputed-hash",
- "serde 1.0.106",
-]
-
-[[package]]
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-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0f45ed1b65bf9a4bf2f7b7dc59212d1926e9eaf00fa998988e420fd124467c6"
-dependencies = [
- "phf_generator 0.7.24",
- "phf_shared 0.7.24",
  "proc-macro2",
  "quote",
- "string_cache_shared",
+ "serde",
+ "serde_derive",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
+dependencies = [
+ "base-x",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "sha1",
+ "syn",
+]
+
+[[package]]
+name = "stdweb-internal-runtime"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
+
+[[package]]
+name = "string_cache"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ddb1139b5353f96e429e1a5e19fbaf663bddedaa06d1dbd49f82e352601209a"
+dependencies = [
+ "lazy_static",
+ "new_debug_unreachable",
+ "phf_shared",
+ "precomputed-hash",
+ "serde",
 ]
 
 [[package]]
@@ -1639,18 +1888,12 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f24c8e5e19d22a726626f1a5e16fe15b132dcf21d10177fa5a45ce7962996b97"
 dependencies = [
- "phf_generator 0.8.0",
- "phf_shared 0.8.0",
+ "phf_generator",
+ "phf_shared",
  "proc-macro2",
  "quote",
 ]
 
-[[package]]
-name = "string_cache_shared"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1884d1bc09741d466d9b14e6d37ac89d6909cbcac41dd9ae982d4d063bbedfc"
-
 [[package]]
 name = "strsim"
 version = "0.8.0"
@@ -1659,20 +1902,20 @@ checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 
 [[package]]
 name = "structopt"
-version = "0.3.14"
+version = "0.3.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "863246aaf5ddd0d6928dfeb1a9ca65f505599e4e1b399935ef7e75107516b4ef"
+checksum = "126d630294ec449fae0b16f964e35bf3c74f940da9dca17ee9b905f7b3112eb8"
 dependencies = [
  "clap",
- "lazy_static 1.4.0",
+ "lazy_static",
  "structopt-derive",
 ]
 
 [[package]]
 name = "structopt-derive"
-version = "0.4.7"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d239ca4b13aee7a2142e6795cbd69e457665ff8037aed33b3effdc430d2f927a"
+checksum = "65e51c492f9e23a220534971ff5afc14037289de430e3c83f9daf6a1b6ae91e8"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -1682,49 +1925,44 @@ dependencies = [
 ]
 
 [[package]]
-name = "surf"
-version = "1.0.3"
+name = "subtle"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "741a8008f8a833ef16f47df94a30754478fb2c2bf822b9c2e6f7f09203b97ace"
+checksum = "343f3f510c2915908f155e94f17220b19ccfacf2a64a2a5d8004f2c3e311e7fd"
+
+[[package]]
+name = "surf"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7189c787d96fe18fef704950de76d590022d9d70858a4a201e1f07a0666882ea"
 dependencies = [
- "futures-preview",
- "http",
- "isahc",
- "js-sys",
- "log 0.4.8",
- "mime",
+ "async-std",
+ "async-trait",
+ "cfg-if 0.1.10",
+ "encoding_rs",
+ "futures-util",
+ "http-client",
+ "http-types",
+ "log 0.4.11",
  "mime_guess",
- "serde 1.0.106",
+ "once_cell",
+ "pin-project-lite",
+ "serde",
  "serde_json",
- "serde_urlencoded",
- "url",
- "wasm-bindgen",
- "wasm-bindgen-futures",
  "web-sys",
 ]
 
 [[package]]
 name = "syn"
-version = "1.0.18"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "410a7488c0a728c7ceb4ad59b9567eb4053d02e8cc7f5c0e0eeeb39518369213"
+checksum = "443b4178719c5a851e1bde36ce12da21d74a0e60b4d982ec3385a933c812f0f6"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-xid",
 ]
 
-[[package]]
-name = "syn-mid"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "tempdir"
 version = "0.3.7"
@@ -1761,36 +1999,148 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8eaa81235c7058867fa8c0e7314f33dcce9c215f535d1913822a2b3f5e289f3c"
 
+[[package]]
+name = "thiserror"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e9ae34b84616eedaaf1e9dd6026dbe00dcafa92aa0c8077cb69df1fcfe5e53e"
+dependencies = [
+ "thiserror-impl",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
 dependencies = [
- "lazy_static 1.4.0",
+ "lazy_static",
 ]
 
 [[package]]
 name = "time"
-version = "0.1.43"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
 dependencies = [
  "libc",
- "winapi 0.3.8",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi",
 ]
 
 [[package]]
-name = "tokio-io"
-version = "0.1.13"
+name = "time"
+version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57fc868aae093479e3131e3d165c93b1c7474109d13c90ec0dda2a1bbfff0674"
+checksum = "bcdaeea317915d59b2b4cd3b5efcd156c309108664277793f5351700c02ce98b"
 dependencies = [
- "bytes",
- "futures",
- "log 0.4.8",
+ "const_fn",
+ "libc",
+ "standback",
+ "stdweb",
+ "time-macros",
+ "version_check",
+ "winapi",
 ]
 
+[[package]]
+name = "time-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "957e9c6e26f12cb6d0dd7fc776bb67a706312e7299aed74c8dd5b17ebb27e2f1"
+dependencies = [
+ "proc-macro-hack",
+ "time-macros-impl",
+]
+
+[[package]]
+name = "time-macros-impl"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
+dependencies = [
+ "proc-macro-hack",
+ "proc-macro2",
+ "quote",
+ "standback",
+ "syn",
+]
+
+[[package]]
+name = "tinyvec"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
+[[package]]
+name = "tracing"
+version = "0.1.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0987850db3733619253fe60e17cb59b82d37c7e6c0236bb81e4d6b87c879f27"
+dependencies = [
+ "cfg-if 0.1.10",
+ "log 0.4.11",
+ "pin-project-lite",
+ "tracing-attributes",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-attributes"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80e0ccfc3378da0cce270c946b676a376943f5cd16aeba64568e7939806f4ada"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f50de3927f93d202783f4513cda820ab47ef17f624b03c096e86ef00c67e6b5f"
+dependencies = [
+ "lazy_static",
+]
+
+[[package]]
+name = "tracing-futures"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab7bb6f14721aa00656086e9335d363c5c8747bae02ebe32ea2c7dece5689b4c"
+dependencies = [
+ "pin-project 0.4.27",
+ "tracing",
+]
+
+[[package]]
+name = "typenum"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
+
 [[package]]
 name = "unicase"
 version = "2.6.0"
@@ -1811,49 +2161,52 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.12"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5479532badd04e128284890390c1e876ef7a993d0570b3597ae43dfa1d59afa4"
+checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
 dependencies = [
- "smallvec",
+ "tinyvec",
 ]
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
+checksum = "db8716a166f290ff49dabc18b44aa407cb7c6dbe1aa0971b44b8a24b0ca35aae"
 
 [[package]]
 name = "unicode-width"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
+checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
 [[package]]
 name = "unicode-xid"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
-name = "unreachable"
-version = "0.1.1"
+name = "universal-hash"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f2ae5ddb18e1c92664717616dd9549dde73f539f01bd7b77c2edb2446bdff91"
+checksum = "8326b2c654932e3e4f9196e69d08fdf7cfd718e1dc6f66b347e6024a0c961402"
 dependencies = [
- "void",
+ "generic-array",
+ "subtle",
 ]
 
 [[package]]
 name = "url"
-version = "2.1.1"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829d4a8476c35c9bf0bbce5a3b23f4106f79728039b726d292bb93bc106787cb"
+checksum = "5909f2b0817350449ed73e8bcd81c8c3c8d9a7a5d8acba4b27db277f1868976e"
 dependencies = [
+ "form_urlencoded",
  "idna",
  "matches",
  "percent-encoding",
+ "serde",
 ]
 
 [[package]]
@@ -1862,6 +2215,12 @@ version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
 
+[[package]]
+name = "utf8-width"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9071ac216321a4470a69fb2b28cfc68dcd1a39acd877c8be8e014df6772d8efa"
+
 [[package]]
 name = "uuid"
 version = "0.8.1"
@@ -1873,9 +2232,15 @@ dependencies = [
 
 [[package]]
 name = "vcpkg"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fc439f2794e98976c88a2a2dafce96b930fe8010b0a256b3c2199a773933168"
+checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
+
+[[package]]
+name = "vec-arena"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eafc1b9b2dfc6f5529177b62cf806484db55b32dc7c9658a118e11bbeb33061d"
 
 [[package]]
 name = "vec_map"
@@ -1885,15 +2250,15 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "version_check"
-version = "0.9.1"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "078775d0255232fb988e6fccf26ddc9d1ac274299aaedcedce21c6f72cc533ce"
+checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
 [[package]]
-name = "void"
-version = "1.0.2"
+name = "waker-fn"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
+checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
 
 [[package]]
 name = "wasi"
@@ -1902,24 +2267,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
 [[package]]
-name = "wasm-bindgen"
-version = "0.2.61"
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f56e97dbea16d5f56549d6c8ea7f36efb6be98507308650c1a5970574b3941b9"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.61"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75d4f3f9b81dfc7d66b955876b325b20e8affd4ce8d93e51162626fc5faadb"
+checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
 dependencies = [
  "bumpalo",
- "lazy_static 1.4.0",
- "log 0.4.8",
+ "lazy_static",
+ "log 0.4.11",
  "proc-macro2",
  "quote",
  "syn",
@@ -1928,25 +2299,21 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.3.27"
+version = "0.4.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83420b37346c311b9ed822af41ec2e82839bfe99867ec6c54e2da43b7538771c"
+checksum = "b7866cab0aa01de1edf8b5d7936938a7e397ee50ce24119aef3e1eaa3b6171da"
 dependencies = [
- "cfg-if",
- "futures",
- "futures-channel-preview",
- "futures-util-preview",
+ "cfg-if 0.1.10",
  "js-sys",
- "lazy_static 1.4.0",
  "wasm-bindgen",
  "web-sys",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.61"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dcde4b19e863521c1e78ecf100935132396291b09ae0ae2e155ff84ccbe9736"
+checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1954,9 +2321,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.61"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13d87d2b117af2b86472402d70f7eb173bbe166beb5e727f3c0bebecdf356504"
+checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1967,42 +2334,39 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.61"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71f77b681efd0bca6f8ea356cdc2e497538b41d3e2a02afed18ce8f022231d29"
+checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
 
 [[package]]
 name = "web-sys"
-version = "0.3.38"
+version = "0.3.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "07c5819dc39222a788ca169a81aef7d02739019256300534f493b5747d5469c2"
+checksum = "4bf6ef87ad7ae8008e15a355ce696bed26012b7caa21605188cfd8214ab51e2d"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
 ]
 
 [[package]]
-name = "winapi"
-version = "0.2.8"
+name = "wepoll-sys"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+checksum = "0fcb14dea929042224824779fbc82d9fab8d2e6d3cbc0ac404de8edf489e77ff"
+dependencies = [
+ "cc",
+]
 
 [[package]]
 name = "winapi"
-version = "0.3.8"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
 dependencies = [
  "winapi-i686-pc-windows-gnu",
  "winapi-x86_64-pc-windows-gnu",
 ]
 
-[[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -2015,25 +2379,16 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "ws2_32-sys"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
-
 [[package]]
 name = "zip"
-version = "0.5.5"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6df134e83b8f0f8153a094c7b0fd79dfebe437f1d76e7715afa18ed95ebe2fd7"
+checksum = "543adf038106b64cfca4711c82c917d785e3540e04f7996554488f988ec43124"
 dependencies = [
+ "byteorder",
  "bzip2",
  "crc32fast",
  "flate2",
- "podio",
- "time",
+ "thiserror",
+ "time 0.1.44",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 8dcaa7d..d7173e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,6 @@ kuchiki = "0.8.1"
 lazy_static = "1.3.9"
 md5 = "0.7.0"
 regex = "1.3.9"
-surf = "1.0.3"
+surf = "2.1.0"
 structopt = { version = "0.3" }
 url = "2.1.1"
\ No newline at end of file
diff --git a/src/extractor.rs b/src/extractor.rs
index 93ab5bb..1c10dcc 100644
--- a/src/extractor.rs
+++ b/src/extractor.rs
@@ -62,22 +62,23 @@ impl Extractor {
     pub async fn download_images(&mut self, article_origin: &Url) -> async_std::io::Result<()> {
         let mut async_download_tasks = Vec::with_capacity(self.img_urls.len());
         self.extract_img_urls();
-        println!("Downloading images to res/");
+        println!("Downloading images...");
         for img_url in &self.img_urls {
             let img_url = img_url.0.clone();
             let abs_url = get_absolute_url(&img_url, article_origin);
+
             async_download_tasks.push(task::spawn(async move {
                 let mut img_response = surf::get(&abs_url).await.expect("Unable to retrieve file");
                 let img_content: Vec<u8> = img_response.body_bytes().await.unwrap();
                 let img_mime = img_response
-                    .header("Content-Type")
-                    .map(|header| header.to_string());
+                    .content_type()
+                    .map(|mime| mime.essence().to_string());
                 let img_ext = img_response
-                    .header("Content-Type")
-                    .and_then(map_mime_type_to_ext)
+                    .content_type()
+                    .map(|mime| map_mime_subtype_to_ext(mime.subtype()).to_string())
                     .unwrap();
-
-                let img_path = format!("res/{}{}", hash_url(&abs_url), &img_ext);
+                let mut img_path = std::env::temp_dir();
+                img_path.push(format!("{}.{}", hash_url(&abs_url), &img_ext));
                 let mut img_file = File::create(&img_path)
                     .await
                     .expect("Unable to create file");
@@ -86,7 +87,19 @@ impl Extractor {
                     .await
                     .expect("Unable to save to file");
 
-                (img_url, img_path, img_mime)
+                (
+                    img_url,
+                    img_path
+                        .file_name()
+                        .map(|os_str_name| {
+                            os_str_name
+                                .to_str()
+                                .expect("Unable to get image file name")
+                                .to_string()
+                        })
+                        .unwrap(),
+                    img_mime,
+                )
             }));
         }
 
@@ -123,21 +136,15 @@ fn hash_url(url: &str) -> String {
     format!("{:x}", md5::compute(url.as_bytes()))
 }
 
-/// Handles getting the extension from a given MIME type. The extension starts with a dot
-fn map_mime_type_to_ext(mime_type: &str) -> Option<String> {
-    mime_type
-        .split("/")
-        .last()
-        .map(|format| {
-            if format == ("svg+xml") {
-                return "svg";
-            } else if format == "x-icon" {
-                "ico"
-            } else {
-                format
-            }
-        })
-        .map(|format| String::from(".") + format)
+/// Handles getting the extension from a given MIME subtype.
+fn map_mime_subtype_to_ext(subtype: &str) -> &str {
+    if subtype == ("svg+xml") {
+        return "svg";
+    } else if subtype == "x-icon" {
+        "ico"
+    } else {
+        subtype
+    }
 }
 
 fn get_absolute_url(url: &str, request_url: &Url) -> String {
@@ -204,23 +211,15 @@ mod test {
 
     #[test]
     fn test_map_mime_type_to_ext() {
-        let mime_types = vec![
-            "image/apng",
-            "image/bmp",
-            "image/gif",
-            "image/x-icon",
-            "image/jpeg",
-            "image/png",
-            "image/svg+xml",
-            "image/tiff",
-            "image/webp",
+        let mime_subtypes = vec![
+            "apng", "bmp", "gif", "x-icon", "jpeg", "png", "svg+xml", "tiff", "webp",
         ];
-        let exts = mime_types
+        let exts = mime_subtypes
             .into_iter()
-            .map(|mime_type| map_mime_type_to_ext(mime_type).unwrap())
+            .map(|mime_type| map_mime_subtype_to_ext(mime_type))
             .collect::<Vec<_>>();
         assert_eq!(
-            vec![".apng", ".bmp", ".gif", ".ico", ".jpeg", ".png", ".svg", ".tiff", ".webp"],
+            vec!["apng", "bmp", "gif", "ico", "jpeg", "png", "svg", "tiff", "webp"],
             exts
         );
     }
diff --git a/src/main.rs b/src/main.rs
index 3009ff4..2b6adb3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,9 +2,8 @@
 extern crate lazy_static;
 
 use std::fs::File;
-use std::path::Path;
 
-use async_std::{fs::create_dir, fs::remove_dir_all, task};
+use async_std::task;
 use epub_builder::{EpubBuilder, EpubContent, ZipLibrary};
 use structopt::StructOpt;
 use url::Url;
@@ -50,11 +49,6 @@ fn download(urls: Vec<String>) {
             let mut extractor = Extractor::from_html(&html);
             extractor.extract_content(&url);
             if extractor.article().is_some() {
-                if !Path::new("res/").exists() {
-                    create_dir("res/")
-                        .await
-                        .expect("Unable to create res/ output folder");
-                }
                 extractor
                     .download_images(&Url::parse(&url).unwrap())
                     .await
@@ -79,14 +73,14 @@ fn download(urls: Vec<String>) {
                 epub.add_content(EpubContent::new("code.xhtml", html_buf.as_bytes()))
                     .unwrap();
                 for img in extractor.img_urls {
-                    let file_path = format!("{}", &img.0);
+                    let mut file_path = std::env::temp_dir();
+                    file_path.push(&img.0);
 
-                    let img_buf = File::open(file_path).expect("Can't read file");
-                    epub.add_resource(img.0, img_buf, img.1.unwrap()).unwrap();
+                    let img_buf = File::open(&file_path).expect("Can't read file");
+                    epub.add_resource(file_path.file_name().unwrap(), img_buf, img.1.unwrap())
+                        .unwrap();
                 }
                 epub.generate(&mut out_file).unwrap();
-                println!("Cleaning up");
-                remove_dir_all("res/").await.unwrap();
                 println!("Created {:?}", file_name);
             }
         }