diff --git a/Cargo.lock b/Cargo.lock
index 23f52ca6..7a977b16 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,7 +8,7 @@ name = "aho-corasick"
 version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -59,7 +59,7 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -67,7 +67,7 @@ name = "backtrace"
 version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -120,7 +120,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.2.7"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -148,9 +148,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -225,7 +225,7 @@ dependencies = [
 
 [[package]]
 name = "console"
-version = "0.7.3"
+version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -295,7 +295,7 @@ name = "dialoguer"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "console 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "console 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -344,8 +344,8 @@ name = "escargot"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -362,9 +362,9 @@ name = "failure_derive"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -450,8 +450,8 @@ dependencies = [
  "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "os_type 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -471,7 +471,7 @@ name = "indicatif"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "console 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "console 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -520,7 +520,7 @@ version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -554,12 +554,11 @@ dependencies = [
 
 [[package]]
 name = "memchr"
-version = "2.1.2"
+version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -685,7 +684,7 @@ dependencies = [
  "libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -697,7 +696,7 @@ dependencies = [
  "libc 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -739,7 +738,7 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "0.4.24"
+version = "0.4.26"
 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)",
@@ -752,10 +751,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "quote"
-version = "0.6.10"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -797,7 +796,7 @@ name = "rand"
 version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.47 (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 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -814,7 +813,7 @@ name = "rand_chacha"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -915,7 +914,7 @@ version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.5.6 (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 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -927,7 +926,7 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.4 (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 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1008,7 +1007,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1018,20 +1017,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.84"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.84"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1039,17 +1038,17 @@ name = "serde_ignored"
 version = "0.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.35"
+version = "1.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1059,7 +1058,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "smallvec"
-version = "0.6.7"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1106,18 +1105,18 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "syn"
-version = "0.15.25"
+version = "0.15.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (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)",
 ]
 
@@ -1126,9 +1125,9 @@ name = "synstructure"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.25 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1242,7 +1241,7 @@ name = "toml"
 version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1302,11 +1301,6 @@ name = "vec_map"
 version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "version_check"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "void"
 version = "1.0.2"
@@ -1344,10 +1338,10 @@ dependencies = [
  "openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "predicates 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_ignored 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1448,13 +1442,13 @@ dependencies = [
 "checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
 "checksum assert_cmd 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b7ac5c260f75e4e4ba87b7342be6edcecbcb3eb6741a0507fda7ad115845cc65"
 "checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
-"checksum autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4e5f34df7a019573fb8bdc7e24a2bfebe51a2a1d6bfdbaeccedb3c41fc574727"
+"checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
 "checksum backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "b5b493b66e03090ebc4343eb02f94ff944e0cbc9ac6571491d170ba026741eb5"
 "checksum backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)" = "797c830ac25ccc92a7f8a7b9862bde440715531514594a6154e3d4a54dd769b6"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
 "checksum blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6d530bdd2d52966a6d03b7a964add7ae1a288d25214066fd4b600f0f796400"
 "checksum build_const 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
-"checksum byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94f88df23a25417badc922ab0f5716cc1330e87f71ddd9203b3a3ccd9cedf75d"
+"checksum byteorder 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "60f0b0d4c0a382d2734228fd12b5a6b5dac185c60e938026fd31b265b94f9bd2"
 "checksum bzip2 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
 "checksum bzip2-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6584aa36f5ad4c9247f5323b0a42f37802b37a836f0ad87084d7a33961abe25f"
 "checksum cargo_metadata 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e5d1b4d380e1bab994591a24c2bdd1b054f64b60bef483a8c598c7c345bc3bbe"
@@ -1465,7 +1459,7 @@ dependencies = [
 "checksum clicolors-control 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "73abfd4c73d003a674ce5d2933fca6ce6c42480ea84a5ffe0a2dc39ed56300f9"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
 "checksum console 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ecd48adf136733979b49e15bc3b4c43cc0d3c85ece7bd08e6daa414c6fcb13e6"
-"checksum console 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ecc3753530b959618f617b0cd6494526008d98687f1af5d8f9fa83fa9cdbb594"
+"checksum console 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2bf3720d3f3fc30b721ef1ae54e13af3264af4af39dc476a8de56a6ee1e2184b"
 "checksum constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8ff012e225ce166d4422e0e78419d901719760f62ae2b7969ca6b564d1b54a9e"
 "checksum crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d663548de7f5cca343f1e0a48d14dcfb0e9eb4e079ec58883b7251539fa10aeb"
 "checksum crc32fast 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e91d5240c6975ef33aeb5f148f35275c25eda8e8a5f95abe421978b05b8bf192"
@@ -1503,7 +1497,7 @@ dependencies = [
 "checksum libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "2eb5e43362e38e2bca2fd5f5134c4d4564a23a5c28e9b95411652021a8675ebe"
 "checksum lock_api 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "62ebf1391f6acad60e5c8b43706dde4582df75c06698ab44511d15016bc2442c"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
-"checksum memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "db4c41318937f6e76648f42826b1d9ade5c09cafb5aef7e351240a70f39206e9"
+"checksum memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e1dd4eaac298c32ce07eb6ed9242eda7d82955b9170b7d6db59b2e02cc63fcb8"
 "checksum miniz-sys 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "0300eafb20369952951699b68243ab4334f4b10a88f411c221d444b36c40e649"
 "checksum miniz_oxide 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5ad30a47319c16cde58d0314f5d98202a80c9083b5f61178457403dfb14e509c"
 "checksum miniz_oxide_c_api 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "28edaef377517fd9fe3e085c37d892ce7acd1fbeab9239c5a36eec352d8a8b7e"
@@ -1525,9 +1519,9 @@ dependencies = [
 "checksum predicates 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fa984b7cd021a0bf5315bcce4c4ae61d2a535db2a8d288fc7578638690a7b7c3"
 "checksum predicates-core 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "06075c3a3e92559ff8929e7a280684489ea27fe44805174c3ebd9328dcb37178"
 "checksum predicates-tree 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8e63c4859013b38a76eca2414c64911fba30def9e3202ac461a2d22831220124"
-"checksum proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)" = "77619697826f31a02ae974457af0b29b723e5619e113e9397b8b82c6bd253f09"
+"checksum proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)" = "38fddd23d98b2144d197c0eca5705632d4fe2667d14a6be5df8934f8d74f1978"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
-"checksum quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "53fa22a1994bd0f9372d7a816207d8a2677ad0325b073f5c5332760f0fb62b5c"
+"checksum quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "cdd8e04bd9c52e0342b406469d494fcb033be4bdbe5c606016defbb1681411e1"
 "checksum rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "15a732abf9d20f0ad8eeb6f909bf6868722d9a06e1e50802b6a70351f40b4eb1"
 "checksum rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "dee497e66d8d76bf08ce20c8d36e16f93749ab0bf89975b4f8ae5cee660c2da2"
 "checksum rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e464cd887e869cddcae8792a4ee31d23c7edd516700695608f5b98c67ee0131c"
@@ -1558,19 +1552,19 @@ dependencies = [
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)" = "0e732ed5a5592c17d961555e3b552985baf98d50ce418b7b655f31f6ba7eb1b7"
-"checksum serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)" = "b4d6115a3ca25c224e409185325afc16a0d5aaaabc15c42b09587d6f1ba39a5b"
+"checksum serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)" = "534b8b91a95e0f71bca3ed5824752d558da048d4248c91af873b63bd60519752"
+"checksum serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)" = "a915306b0f1ac5607797697148c223bedeaa36bcc2e28a01441cd638cc6567b4"
 "checksum serde_ignored 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "190e9765dcedb56be63b6e0993a006c7e3b071a016a304736e4a315dc01fb142"
-"checksum serde_json 1.0.35 (registry+https://github.com/rust-lang/crates.io-index)" = "dfb1277d4d0563e4593e0b8b5d23d744d277b55d2bc0bf1c38d0d8a6589d38aa"
+"checksum serde_json 1.0.36 (registry+https://github.com/rust-lang/crates.io-index)" = "574378d957d6dcdf1bbb5d562a15cbd5e644159432f84634b94e485267abbcc7"
 "checksum siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
-"checksum smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "b73ea3738b47563803ef814925e69be00799a8c07420be8b996f8e98fb2336db"
+"checksum smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "88aea073965ab29f6edb5493faf96ad662fb18aa9eeb186a3b7057951605ed15"
 "checksum socket2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c4d11a52082057d87cb5caa31ad812f4504b97ab44732cd8359df2e9ff9f48e7"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
 "checksum structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "670ad348dc73012fcf78c71f06f9d942232cdd4c859d4b6975e27836c3efc0c3"
 "checksum structopt-derive 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "ef98172b1a00b0bec738508d3726540edcbd186d50dfd326f2b1febbb3559f04"
-"checksum syn 0.15.25 (registry+https://github.com/rust-lang/crates.io-index)" = "71b7693d9626935a362a3d1d4e59380800a919ebfa478d77a4f49e2a6d2c3ad5"
+"checksum syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)" = "f92e629aa1d9c827b2bb8297046c1ccffc57c99b947a680d3ccff1f136a3bee9"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
 "checksum tar 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)" = "a303ba60a099fcd2aaa646b14d2724591a96a75283e4b7ed3d1a1658909d9ae2"
 "checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
@@ -1594,7 +1588,6 @@ dependencies = [
 "checksum uuid 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e1436e58182935dcd9ce0add9ea0b558e8a87befe01c1a301e6020aeb0876363"
 "checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
-"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
 "checksum which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b57acb10231b9493c8472b20cb57317d0679a49e0bdbee44b3b803a6473af164"
diff --git a/tests/all/bindgen.rs b/tests/all/bindgen.rs
index 3f044508..8e0174e4 100644
--- a/tests/all/bindgen.rs
+++ b/tests/all/bindgen.rs
@@ -11,7 +11,7 @@ use wasm_pack::bindgen;
 fn can_download_prebuilt_wasm_bindgen() {
     let dir = tempfile::TempDir::new().unwrap();
     let cache = Cache::at(dir.path());
-    let dl = bindgen::download_prebuilt_wasm_bindgen(&cache, "0.2.21", true).unwrap();
+    let dl = bindgen::download_prebuilt_wasm_bindgen(&cache, "0.2.37", true).unwrap();
     assert!(dl.binary("wasm-bindgen").unwrap().is_file());
     assert!(dl.binary("wasm-bindgen-test-runner").unwrap().is_file())
 }
@@ -24,7 +24,7 @@ fn can_download_prebuilt_wasm_bindgen() {
 ))]
 fn downloading_prebuilt_wasm_bindgen_handles_http_errors() {
     let dir = tempfile::TempDir::new().unwrap();
-    let bad_version = "0.2.21-some-trailing-version-stuff-that-does-not-exist";
+    let bad_version = "0.2.37-some-trailing-version-stuff-that-does-not-exist";
     let cache = Cache::at(dir.path());
     let result = bindgen::download_prebuilt_wasm_bindgen(&cache, bad_version, true);
     assert!(result.is_err());
diff --git a/tests/all/build.rs b/tests/all/build.rs
index be6e1912..a0361ae7 100644
--- a/tests/all/build.rs
+++ b/tests/all/build.rs
@@ -17,7 +17,6 @@ fn build_in_non_crate_directory_doesnt_panic() {
 #[test]
 fn it_should_build_js_hello_world_example() {
     let fixture = utils::fixture::js_hello_world();
-    fixture.install_local_wasm_bindgen();
     fixture.wasm_pack().arg("build").assert().success();
 }
 
@@ -47,7 +46,7 @@ fn it_should_build_crates_in_a_workspace() {
                 crate-type = ["cdylib"]
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "0.2"
             "#,
         )
         .file(
@@ -87,7 +86,7 @@ fn renamed_crate_name_works() {
                 name = 'bar'
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "0.2"
             "#,
         )
         .file(
diff --git a/tests/all/lockfile.rs b/tests/all/lockfile.rs
index 01876ba7..87e4434e 100644
--- a/tests/all/lockfile.rs
+++ b/tests/all/lockfile.rs
@@ -8,7 +8,7 @@ fn it_gets_wasm_bindgen_version() {
     fixture.cargo_check();
     let data = CrateData::new(&fixture.path).unwrap();
     let lock = Lockfile::new(&data).unwrap();
-    assert_eq!(lock.wasm_bindgen_version(), Some("0.2.21"),);
+    assert_eq!(lock.wasm_bindgen_version(), Some("0.2.37"),);
 }
 
 #[test]
@@ -17,7 +17,7 @@ fn it_gets_wasm_bindgen_test_version() {
     fixture.cargo_check();
     let data = CrateData::new(&fixture.path).unwrap();
     let lock = Lockfile::new(&data).unwrap();
-    assert_eq!(lock.wasm_bindgen_test_version(), Some("0.2.21"),);
+    assert_eq!(lock.wasm_bindgen_test_version(), Some("0.2.37"),);
 }
 
 #[test]
@@ -46,7 +46,7 @@ fn it_gets_wasm_bindgen_version_in_crate_inside_workspace() {
                 crate-type = ["cdylib"]
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "=0.2.37"
             "#,
         )
         .file(
@@ -62,7 +62,7 @@ fn it_gets_wasm_bindgen_version_in_crate_inside_workspace() {
     fixture.cargo_check();
     let data = CrateData::new(&fixture.path.join("blah")).unwrap();
     let lock = Lockfile::new(&data).unwrap();
-    assert_eq!(lock.wasm_bindgen_version(), Some("0.2.21"),);
+    assert_eq!(lock.wasm_bindgen_version(), Some("0.2.37"),);
 }
 
 #[test]
@@ -91,7 +91,7 @@ fn it_gets_wasm_bindgen_version_from_dependencies() {
                 crate-type = ["cdylib"]
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "=0.2.37"
             "#,
         )
         .file(
@@ -130,5 +130,5 @@ fn it_gets_wasm_bindgen_version_from_dependencies() {
     fixture.cargo_check();
     let data = CrateData::new(&fixture.path.join("parent")).unwrap();
     let lock = Lockfile::new(&data).unwrap();
-    assert_eq!(lock.wasm_bindgen_version(), Some("0.2.21"),);
+    assert_eq!(lock.wasm_bindgen_version(), Some("0.2.37"),);
 }
diff --git a/tests/all/test.rs b/tests/all/test.rs
index dbe9532e..04f12104 100644
--- a/tests/all/test.rs
+++ b/tests/all/test.rs
@@ -178,7 +178,7 @@ fn complains_about_missing_wasm_bindgen_test_dependency() {
                 crate-type = ["cdylib"]
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "0.2"
 
                 [dev-dependencies]
                 # no wasm-bindgen-test dep here!
@@ -218,10 +218,10 @@ fn renamed_crate_name_works() {
                 name = 'bar'
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "0.2"
 
                 [dev-dependencies]
-                wasm-bindgen-test = "=0.2.21"
+                wasm-bindgen-test = "0.2"
             "#,
         )
         .file(
@@ -258,10 +258,10 @@ fn cdylib_not_required() {
                 authors = []
 
                 [dependencies]
-                wasm-bindgen = "=0.2.21"
+                wasm-bindgen = "0.2"
 
                 [dev-dependencies]
-                wasm-bindgen-test = "=0.2.21"
+                wasm-bindgen-test = "0.2"
             "#,
         )
         .file(
@@ -293,7 +293,7 @@ fn cdylib_not_required() {
 }
 
 #[test]
-fn test_output_is_printed_once() {
+fn test_output_is_printed_once_in_both_stdout_and_failures() {
     let fixture = fixture::Fixture::new();
     fixture
         .readme()
@@ -322,6 +322,9 @@ fn test_output_is_printed_once() {
         )
         .install_local_wasm_bindgen();
     let _lock = fixture.lock();
+
+    // there will be only one log in stdout, and only one log in failures
+    let log_cnt = 1;
     fixture
         .wasm_pack()
         .arg("test")
@@ -329,6 +332,8 @@ fn test_output_is_printed_once() {
         .assert()
         .failure()
         .stderr(predicate::function(|err: &str| {
-            err.matches("YABBA DABBA DOO").count() == 1
+            // but the err string will capture both stdout and failures,
+            // so we will get a log that count twice
+            err.matches("YABBA DABBA DOO").count() == log_cnt * 2
         }));
 }
diff --git a/tests/all/utils/fixture.rs b/tests/all/utils/fixture.rs
index 856fd21e..04c47f31 100644
--- a/tests/all/utils/fixture.rs
+++ b/tests/all/utils/fixture.rs
@@ -127,10 +127,10 @@ impl Fixture {
                     crate-type = ["cdylib"]
 
                     [dependencies]
-                    wasm-bindgen = "=0.2.21"
+                    wasm-bindgen = "0.2"
 
                     [dev-dependencies]
-                    wasm-bindgen-test = "=0.2.21"
+                    wasm-bindgen-test = "0.2"
                 "#,
                 name
             ),
@@ -201,7 +201,7 @@ impl Fixture {
     pub fn install_local_wasm_bindgen(&self) -> PathBuf {
         static INSTALL_WASM_BINDGEN: Once = ONCE_INIT;
         let cache = self.cache();
-        let version = "0.2.21";
+        let version = "0.2.37";
 
         let download = || {
             if let Ok(download) =
@@ -351,10 +351,10 @@ pub fn no_cdylib() -> Fixture {
             # crate-type = ["cdylib"]
 
             [dependencies]
-            wasm-bindgen = "=0.2.21"
+            wasm-bindgen = "0.2"
 
             [dev-dependencies]
-            wasm-bindgen-test = "=0.2.21"
+            wasm-bindgen-test = "0.2"
         "#,
     );
     fixture
@@ -403,14 +403,14 @@ pub fn wbg_test_diff_versions() -> Fixture {
                 crate-type = ["cdylib", "rlib"]
 
                 [dependencies]
-                # We depend on wasm-bindgen 0.2.21
-                wasm-bindgen = "=0.2.21"
+                # We depend on the latest wasm-bindgen 0.2
+                wasm-bindgen = "0.2"
 
                 [dev-dependencies]
-                # And we depend on wasm-bindgen-test 0.2.19. This should still
-                # work, and we should end up with `wasm-bindgen` at 0.2.21 and
-                # wasm-bindgen-test at 0.2.19, and everything should still work.
-                wasm-bindgen-test = "0.2.19"
+                # And we depend on wasm-bindgen-test 0.2.29. This should still
+                # work, and we should end up with the latest `wasm-bindgen` and
+                # wasm-bindgen-test at 0.2.29, and everything should still work.
+                wasm-bindgen-test = "0.2.29"
             "#,
         )
         .file(
@@ -522,12 +522,12 @@ pub fn transitive_dependencies() -> Fixture {
             crate-type = ["cdylib"]
 
             [dependencies]
-            wasm-bindgen = "=0.2.21"
+            wasm-bindgen = "0.2"
             project_a = { path = "../project_a" }
             project_b = { path = "../project_b" }
 
             [dev-dependencies]
-            wasm-bindgen-test = "=0.2.21"
+            wasm-bindgen-test = "0.2"
         "#,
         );
         fixture.file(
@@ -572,11 +572,11 @@ pub fn transitive_dependencies() -> Fixture {
             crate-type = ["cdylib"]
 
             [dependencies]
-            wasm-bindgen = "=0.2.21"
+            wasm-bindgen = "0.2"
             project_b = { path = "../project_b" }
 
             [dev-dependencies]
-            wasm-bindgen-test = "=0.2.21"
+            wasm-bindgen-test = "0.2"
         "#,
         );
         fixture.file(
@@ -622,10 +622,10 @@ pub fn transitive_dependencies() -> Fixture {
             crate-type = ["cdylib"]
 
             [dependencies]
-            wasm-bindgen = "=0.2.21"
+            wasm-bindgen = "0.2"
 
             [dev-dependencies]
-            wasm-bindgen-test = "=0.2.21"
+            wasm-bindgen-test = "0.2"
         "#,
         );
         fixture.file(