diff --git a/Cargo.lock b/Cargo.lock
index 64c2a887e69..444e357172e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -13,14 +13,6 @@ dependencies = [
  "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "aho-corasick"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "aho-corasick"
 version = "0.7.6"
@@ -77,7 +69,7 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "0.1.2"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -171,7 +163,7 @@ dependencies = [
  "ammonia 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "cargo-registry-s3 0.2.0",
- "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "civet 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "comrak 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "conduit 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -185,12 +177,12 @@ dependencies = [
  "conduit-test 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cookie 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ctrlc 3.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "derive_deref 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_deref 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel_full_text_search 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel_migrations 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "docopt 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "dotenv 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "dotenv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "flate2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -232,7 +224,7 @@ name = "cargo-registry-s3"
 version = "0.2.0"
 dependencies = [
  "base64 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -249,10 +241,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "chrono"
-version = "0.4.0"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -525,23 +519,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "derive-error-chain"
-version = "0.11.2"
+name = "derive_deref"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syntex_fmt_macros 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "derive_deref"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -551,7 +535,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "diesel_derives 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pq-sys 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "r2d2 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -582,7 +566,7 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "migrations_internals 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "migrations_macros 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "migrations_macros 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -606,13 +590,8 @@ dependencies = [
 
 [[package]]
 name = "dotenv"
-version = "0.11.0"
+version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "derive-error-chain 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "dtoa"
@@ -625,7 +604,7 @@ version = "0.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -715,14 +694,6 @@ dependencies = [
  "termcolor 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "error-chain"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "backtrace 0.3.38 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "failure"
 version = "0.1.5"
@@ -1295,14 +1266,6 @@ dependencies = [
  "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "memchr"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "memchr"
 version = "2.2.1"
@@ -1323,12 +1286,13 @@ dependencies = [
 
 [[package]]
 name = "migrations_macros"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "migrations_internals 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1473,46 +1437,23 @@ dependencies = [
  "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "num"
-version = "0.1.40"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-iter 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "num-integer"
-version = "0.1.35"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "num-iter"
-version = "0.1.34"
+version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "num-traits"
-version = "0.1.43"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "num-traits"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "num_cpus"
 version = "1.10.0"
@@ -1743,11 +1684,6 @@ name = "quick-error"
 version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "quote"
-version = "0.3.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "quote"
 version = "0.6.11"
@@ -1801,7 +1737,7 @@ name = "rand"
 version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1819,7 +1755,7 @@ name = "rand_chacha"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1925,18 +1861,6 @@ dependencies = [
  "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "regex"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "regex"
 version = "1.2.1"
@@ -1953,11 +1877,6 @@ name = "regex-syntax"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "regex-syntax"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "regex-syntax"
 version = "0.6.11"
@@ -2310,26 +2229,6 @@ dependencies = [
  "syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "syn"
-version = "0.11.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "syn"
-version = "0.14.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "syn"
 version = "0.15.29"
@@ -2350,14 +2249,6 @@ dependencies = [
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "synom"
-version = "0.11.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "synstructure"
 version = "0.10.2"
@@ -2369,14 +2260,6 @@ dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "syntex_fmt_macros"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "take_mut"
 version = "0.2.2"
@@ -2741,11 +2624,6 @@ dependencies = [
  "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "unicode-xid"
-version = "0.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "unicode-xid"
 version = "0.1.0"
@@ -2815,11 +2693,6 @@ name = "utf8-ranges"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "utf8-ranges"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "uuid"
 version = "0.7.1"
@@ -2936,7 +2809,6 @@ dependencies = [
 [metadata]
 "checksum adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7e522997b529f05601e05166c07ed17789691f562762c7f3b987263d2dedee5c"
 "checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
-"checksum aho-corasick 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "500909c4f87a9e52355b26626d890833e9e1d53ac566db76c36faa984b889699"
 "checksum aho-corasick 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "58fb5e95d83b38284460a5fda7d6470aa0b8844d283a0b614b8535e880800d2d"
 "checksum ammonia 3.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9e266e1f4be5ffa05309f650e2586fe1d3ae6034eb24025a7ae1dfecc330823a"
 "checksum antidote 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "34fde25430d87a9388dadbe6e34d7f72a462c8b43ac8d309b42b0a8505d7e2a5"
@@ -2944,7 +2816,7 @@ dependencies = [
 "checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
 "checksum ascii_utils 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "71938f30533e4d95a6d17aa530939da3842c2ab6f4f84b9dae68447e4129f74a"
 "checksum atty 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "2fc4a1aa4c24c0718a250f0681885c1af91419d242f29eb8f2ab28502d80dbd1"
-"checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
+"checksum autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 "checksum backtrace 0.3.38 (registry+https://github.com/rust-lang/crates.io-index)" = "690a62be8920ccf773ee00ef0968649b0e724cda8bd5b12286302b4ae955fdf5"
 "checksum backtrace-sys 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)" = "82a830b4ef2d1124a711c71d263c5abdc710ef8e907bd508c88be475cebc422b"
 "checksum base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
@@ -2958,7 +2830,7 @@ dependencies = [
 "checksum bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
 "checksum cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)" = "39f75544d7bbaf57560d2168f28fd649ff9c76153874db88bdbdfd839b1a7e7d"
 "checksum cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b486ce3ccf7ffd79fdeb678eac06a9e6c09fc88d33836340becb8fffe87c5e33"
-"checksum chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7c20ebe0b2b08b0aeddba49c609fe7957ba2e33449882cb186a180bc60682fa9"
+"checksum chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e8493056968583b0193c1bb04d6f7684586f3726992d6c573261941a895dbd68"
 "checksum civet 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6263e7af767a5bf9e4d3d0a6c3ceb5f3940ec85cf2fbfee59024b8a264be180f"
 "checksum civet-sys 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "958d15372bf28b7983cb35e1d4bf36dd843b0d42e507c1c73aad7150372c5936"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
@@ -2986,15 +2858,14 @@ dependencies = [
 "checksum curl 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "aaf20bbe084f285f215eef2165feed70d6b75ba29cad24469badb853a4a287d0"
 "checksum curl-sys 0.4.16 (registry+https://github.com/rust-lang/crates.io-index)" = "ca79238a79fb294be6173b4057c95b22a718c94c4e38475d5faa82b8383f3502"
 "checksum debug_unreachable 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9a032eac705ca39214d169f83e3d3da290af06d8d1d344d1baad2fd002dca4b3"
-"checksum derive-error-chain 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d5f8006bdd4c5b90d4571abe68285c6e9863122a5ee695ff3583e8e1dee8f28a"
-"checksum derive_deref 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "75977fd13de1d8a2b0db58cb124e8f1e63cf233917fea33065e8b214d1eccdb8"
+"checksum derive_deref 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "11554fdb0aa42363a442e0c4278f51c9621e20c1ce3bac51d79e60646f3b8b8f"
 "checksum diesel 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8d24935ba50c4a8dc375a0fd1f8a2ba6bdbdc4125713126a74b965d6a01a06d7"
 "checksum diesel_derives 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "62a27666098617d52c487a41f70de23d44a1dc1f3aa5877ceba2790fb1f1cab4"
 "checksum diesel_full_text_search 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6bb76b26499ddcd4672f4a47fa6cdf97b5dfbedf688c4e2f386ba576585b4ae"
 "checksum diesel_migrations 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3cde8413353dc7f5d72fa8ce0b99a560a359d2c5ef1e5817ca731cd9008f4c"
 "checksum digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "03b072242a8cbaf9c145665af9d250c59af3b958f83ed6824e13533cf76d5b90"
 "checksum docopt 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7f525a586d310c87df72ebcd98009e57f1cc030c8c268305287a476beb653969"
-"checksum dotenv 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a70de3c590ce18df70743cace1cf12565637a0b26fd8b04ef10c7d33fdc66cdc"
+"checksum dotenv 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)" = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 "checksum dtoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6d301140eb411af13d3115f9a562c85cc6b541ade9dfa314132244aaee7489dd"
 "checksum email 0.0.20 (registry+https://github.com/rust-lang/crates.io-index)" = "91549a51bb0241165f13d57fc4c72cef063b4088fb078b019ecbf464a45f22e4"
 "checksum encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
@@ -3007,7 +2878,6 @@ dependencies = [
 "checksum encoding_rs 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2a91912d6f37c6a8fef8a2316a862542d036f13c923ad518b5aca7bcaac7544c"
 "checksum entities 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b5320ae4c3782150d900b79807611a59a99fc9a1d61d686faafc24b93fc8d7ca"
 "checksum env_logger 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)" = "0e6e40ebb0e66918a37b38c7acab4e10d299e0463fe2af5d29b9cc86710cfd2a"
-"checksum error-chain 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ff511d5dc435d703f4971bc399647c9bc38e20cb41452e3b9feb4765419ed3f3"
 "checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
 "checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
@@ -3071,11 +2941,10 @@ dependencies = [
 "checksum markup5ever 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "65381d9d47506b8592b97c4efd936afcf673b09b059f2bef39c7211ee78b9d03"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
 "checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
-"checksum memchr 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "148fab2e51b4f1cfc66da2a7c32981d1d3c083a803978268bb11fe4b86925e7a"
 "checksum memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88579771288728879b57485cc7d6b07d648c9f0141eb955f8ab7f9d45394468e"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum migrations_internals 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8089920229070f914b9ce9b07ef60e175b2b9bc2d35c3edd8bf4433604e863b9"
-"checksum migrations_macros 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1664412abf7db2b8a6d58be42a38b099780cc542b5b350383b805d88932833fe"
+"checksum migrations_macros 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "719ef0bc7f531428764c9b70661c14abd50a7f3d21f355752d9985aa21251c9e"
 "checksum mime 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "fe51c8699d2dc522bf8c1ebe26ea2193d151fb54bcdfd7d0318750c189994cd9"
 "checksum mime_guess 2.0.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30de2e4613efcba1ec63d8133f344076952090c122992a903359be5a4f99c3ed"
 "checksum miniz-sys 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9e3ae51cea1576ceba0dde3d484d30e6e5b86dee0b2d412fe3a16a15c98202"
@@ -3090,11 +2959,8 @@ dependencies = [
 "checksum nix 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "46f0f3210768d796e8fa79ec70ee6af172dacbe7147f5e69be5240a47778302b"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
 "checksum nom 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9c349f68f25f596b9f44cf0e7c69752a5c633b0550c3ff849518bfba0233774a"
-"checksum num 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)" = "a311b77ebdc5dd4cf6449d81e4135d9f0e3b153839ac90e648a8ef538f923525"
-"checksum num-integer 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)" = "d1452e8b06e448a07f0e6ebb0bb1d92b8890eea63288c0b627331d53514d0fba"
-"checksum num-iter 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)" = "7485fcc84f85b4ecd0ea527b14189281cf27d60e583ae65ebc9c088b13dffe01"
-"checksum num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "92e5113e9fd4cc14ded8e499429f396a20f98c772a47cc8622a736e1ec843c31"
-"checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
+"checksum num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
+"checksum num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c81ffc11c212fa327657cb19dd85eb7419e163b5b076bede2bdb5c974c07e4"
 "checksum num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a23f0ed30a54abaa0c7e83b1d2d87ada7c3c23078d1d87815af3e3b6385fbba"
 "checksum oauth2 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5b782199cf581a36bdee16efd40f12f10a5aefb8864ed16417a8dc8a4c25f13b"
 "checksum openssl 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)" = "5af9e83eb3c51ee806387d26a43056f3246d865844caa6dd704d2ba7e831c264"
@@ -3121,7 +2987,6 @@ dependencies = [
 "checksum proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)" = "4d317f9caece796be1980837fd5cb3dfec5613ebdb04ad0956deea83ce168915"
 "checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
-"checksum quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e920b65c65f10b2ae65c831a81a073a89edd28c7cce89475bff467ab4167a"
 "checksum quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "cdd8e04bd9c52e0342b406469d494fcb033be4bdbe5c606016defbb1681411e1"
 "checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
 "checksum r2d2 0.8.6 (registry+https://github.com/rust-lang/crates.io-index)" = "e48fa64898ef0286b6ee4b4d8f61483f9182acf5e44e62a398b1c7f56f2f861d"
@@ -3141,10 +3006,8 @@ dependencies = [
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
-"checksum regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1731164734096285ec2a5ec7fea5248ae2f5485b3feeb0115af4fda2183b2d1b"
 "checksum regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88c3d9193984285d544df4a30c23a4e62ead42edf70a4452ceb76dac1ce05c26"
 "checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
-"checksum regex-syntax 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad890a5eef7953f55427c50575c680c42841653abd2b028b68cd223d157f62db"
 "checksum regex-syntax 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b143cceb2ca5e56d5671988ef8b15615733e7ee16cd348e064333b251b89343f"
 "checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
 "checksum reqwest 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c4265be4dad32ffa4be2cea9c8ecb5e096feca6b4ff024482bfc0f64b6019b2f"
@@ -3188,13 +3051,9 @@ dependencies = [
 "checksum strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "032c03039aae92b350aad2e3779c352e104d919cb192ba2fabbd7b831ce4f0f6"
 "checksum swirl 0.1.0 (git+https://github.com/sgrif/swirl.git?rev=de5d8bb)" = "<none>"
 "checksum swirl_proc_macro 0.1.0 (git+https://github.com/sgrif/swirl.git?rev=de5d8bb)" = "<none>"
-"checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
-"checksum syn 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c67da57e61ebc7b7b6fff56bb34440ca3a83db037320b0507af4c10368deda7d"
 "checksum syn 0.15.29 (registry+https://github.com/rust-lang/crates.io-index)" = "1825685f977249735d510a242a6727b46efe914bb67e38d30c071b1b72b1d5c2"
 "checksum syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "66850e97125af79138385e9b88339cbcd037e3f28ceab8c5ad98e64f0f1f80bf"
-"checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
 "checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
-"checksum syntex_fmt_macros 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5e5386bdc48758d136af85b3880548e1f3a9fad8d7dc2b38bdb48c36a9cdefc0"
 "checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum tar 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)" = "b3196bfbffbba3e57481b6ea32249fbaf590396a52505a2615adbb79d9d826d3"
 "checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
@@ -3231,7 +3090,6 @@ dependencies = [
 "checksum unicase 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "284b6d3db520d67fbe88fd778c21510d1b0ba4a551e5d0fbb023d33405f6de8a"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
-"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
 "checksum unicode_categories 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
@@ -3242,7 +3100,6 @@ dependencies = [
 "checksum url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "75b414f6c464c879d7f9babf951f23bc3743fb7313c081b2e6ca719067ea9d61"
 "checksum utf-8 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b6f923c601c7ac48ef1d66f7d5b5b2d9a7ba9c51333ab75a3ddf8d0309185a56"
 "checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
-"checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
 "checksum uuid 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dab5c5526c5caa3d106653401a267fed923e7046f35895ffcb5ca42db64942e6"
 "checksum vcpkg 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9e0a7d8bed3178a8fb112199d466eeca9ed09a14ba8ad67718179b4fd5487d0b"
 "checksum version_check 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "7716c242968ee87e5542f8021178248f267f295a5c4803beae8b8b7fd9bc6051"
diff --git a/Cargo.toml b/Cargo.toml
index 8b383aa369b..bb60217625d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -44,7 +44,7 @@ env_logger = "0.5"
 hex = "0.3"
 htmlescape = "0.3.1"
 license-exprs = "^1.4"
-dotenv = "0.11.0"
+dotenv = "0.15"
 toml = "0.4"
 diesel = { version = "1.4.0", features = ["postgres", "serde_json", "chrono", "r2d2"] }
 diesel_full_text_search = "1.0.0"
@@ -93,6 +93,6 @@ tokio-core = "0.1"
 diesel_migrations = { version = "1.3.0", features = ["postgres"] }
 
 [build-dependencies]
-dotenv = "0.11"
+dotenv = "0.15"
 diesel = { version = "1.3.0", features = ["postgres"] }
 diesel_migrations = { version = "1.3.0", features = ["postgres"] }
diff --git a/script/ci/cargo-clean-on-new-rustc-version.sh b/script/ci/cargo-clean-on-new-rustc-version.sh
index af510fdf26b..82f93d235ab 100755
--- a/script/ci/cargo-clean-on-new-rustc-version.sh
+++ b/script/ci/cargo-clean-on-new-rustc-version.sh
@@ -3,7 +3,7 @@
 set -e
 
 manual_stamp_file=target/ci_manual_stamp
-manual_stamp=8 # Change this to force a clean build on CI
+manual_stamp=9 # Change this to force a clean build on CI
 
 if [ -f $manual_stamp_file ]; then
     if echo "$manual_stamp" | cmp -s $manual_stamp_file -; then