diff --git a/.appveyor.yml b/.appveyor.yml
index b14e7e60..58bb395e 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -5,17 +5,18 @@ environment:
 install:
   - ps: Install-Product node 10
   - appveyor-retry appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
-  - rustup-init.exe -y --default-host x86_64-pc-windows-msvc --default-toolchain nightly
+  - rustup-init.exe -y --default-host x86_64-pc-windows-msvc --default-toolchain stable
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
   - set RUST_BACKTRACE=1
-  - rustup target add wasm32-unknown-unknown --toolchain nightly
+  - rustup target add wasm32-unknown-unknown --toolchain stable
   - rustc -V
   - cargo -V
 
 build: false
 
 test_script:
-  - cargo test --release --locked
+  - cargo test --release --tests --locked
+  - cargo test --release --doc
 
 before_deploy:
   - ps: |
diff --git a/Cargo.lock b/Cargo.lock
index 24947568..7b20a0fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -35,7 +35,7 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace-sys 0.1.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -85,13 +85,13 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.6.0"
+version = "0.6.1"
 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 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -102,7 +102,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cfg-if"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -181,7 +181,7 @@ dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "schannel 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "socket2 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -194,8 +194,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "libz-sys 1.0.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libz-sys 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -211,22 +211,22 @@ dependencies = [
 
 [[package]]
 name = "failure"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure_derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "failure_derive"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -234,19 +234,19 @@ name = "filetime"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "flate2"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide_c_api 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz-sys 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide_c_api 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -282,10 +282,10 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "backtrace 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "os_type 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.80 (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 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -308,7 +308,7 @@ name = "isatty"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -348,7 +348,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libz-sys"
-version = "1.0.23"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -371,14 +371,14 @@ name = "memchr"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "miniz-sys"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -387,22 +387,21 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "miniz_oxide_c_api"
-version = "0.1.3"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -429,15 +428,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl"
-version = "0.10.12"
+version = "0.10.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -447,7 +446,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl-src"
-version = "110.0.7+1.1.0i"
+version = "111.0.1+1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -455,12 +454,12 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.36"
+version = "0.9.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-src 110.0.7+1.1.0i (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-src 111.0.1+1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -662,7 +661,7 @@ 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 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -672,17 +671,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.79"
+version = "1.0.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.79"
+version = "1.0.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -692,7 +691,7 @@ 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 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -735,7 +734,7 @@ name = "socket2"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -753,36 +752,26 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "structopt"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "structopt-derive 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt-derive 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "structopt-derive"
-version = "0.2.11"
+version = "0.2.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "syn"
-version = "0.14.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.8 (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 = "0.15.9"
+version = "0.15.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -792,12 +781,12 @@ dependencies = [
 
 [[package]]
 name = "synstructure"
-version = "0.9.0"
+version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.20 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -831,7 +820,7 @@ name = "tempfile"
 version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -905,7 +894,7 @@ name = "toml"
 version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -941,7 +930,7 @@ name = "uuid"
 version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -970,23 +959,23 @@ name = "wasm-pack"
 version = "0.5.1"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "cargo_metadata 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cargo_metadata 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "console 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "curl 0.4.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "human-panic 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "indicatif 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.10.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-term 2.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "structopt 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tar 0.4.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -999,7 +988,7 @@ name = "which"
 version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1054,7 +1043,7 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bzip2 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "flate2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "msdos_time 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "podio 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1072,9 +1061,9 @@ dependencies = [
 "checksum byteorder 1.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "90492c5858dd7d2e78691cfb89f90d273a2800fc11d98f60786e5d87e2f83781"
 "checksum bzip2 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42b7c3cbf0fa9c1b82308d57191728ca0256cb821220f4e2fd410a72ade26e3b"
 "checksum bzip2-sys 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2c5162604199bbb17690ede847eaa6120a3f33d5ab4dcc8e7c25b16d849ae79b"
-"checksum cargo_metadata 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2d6809b327f87369e6f3651efd2c5a96c49847a3ed2559477ecba79014751ee1"
+"checksum cargo_metadata 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1aaa1a9856ae2d188340526d0986feb6899c9ad11c5dfd73453c784fed6e373d"
 "checksum cc 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)" = "f159dfd43363c4d08055a07703eb7a3406b0dac4d0584d96965a3262db3c9d16"
-"checksum cfg-if 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0c4e7bb64a8ebb0d856483e1e682ea3422f883c5f5615a90d51a2c82fe87fdd3"
+"checksum cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "082bb9b28e00d3c9d39cc03e64ce4cea0f1bb9b3fde493f0cbc008472d22bdf4"
 "checksum chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "45912881121cb26fad7c38c17ba7daa18764771836b34fab7d3fbd93ed633878"
 "checksum clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b957d88f4b6a63b9d70d5f454ac8011819c6efa7727858f458ab71c756ce2d3e"
 "checksum clicolors-control 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1f84dec9bc083ce2503908cd305af98bd363da6f54bf8d4bf0ac14ee749ad5d1"
@@ -1084,10 +1073,10 @@ dependencies = [
 "checksum curl 0.4.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a9e5285b49b44401518c947d3b808d14d99a538a6c9ffb3ec0205c11f9fc4389"
 "checksum curl-sys 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "08459503c415173da1ce6b41036a37b8bfdd86af46d45abb9964d4c61fe670ef"
 "checksum error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07e791d3be96241c77c43846b665ef1384606da2cd2a48730abe606a12906e02"
-"checksum failure 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7efb22686e4a466b1ec1a15c2898f91fa9cb340452496dca654032de20ff95b9"
-"checksum failure_derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "946d0e98a50d9831f5d589038d2ca7f8f455b1c21028c0db0e84116a12696426"
+"checksum failure 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6dd377bcc1b1b7ce911967e3ec24fa19c3224394ec05b54aa7b083d498341ac7"
+"checksum failure_derive 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "64c2d913fe8ed3b6c6518eedf4538255b989945c14c2a7d5cbff62a5e2120596"
 "checksum filetime 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "da4b9849e77b13195302c174324b5ba73eec9b236b24c221a61000daefb95c5f"
-"checksum flate2 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4af030962d89d62aa52cd9492083b1cd9b2d1a77764878102a6c0f86b4d5444d"
+"checksum flate2 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3b0c7353385f92079524de3b7116cf99d73947c08a7472774e9b3b04bff3b901"
 "checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
 "checksum foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
@@ -1100,19 +1089,19 @@ dependencies = [
 "checksum lazy_static 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "76f033c7ad61445c5b347c7382dd1237847eb1bce590fe50365dcb33d546be73"
 "checksum lazy_static 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca488b89a5657b0a2ecd45b95609b3e848cf1755da332a0da46e2b2b1cb371a7"
 "checksum libc 0.2.43 (registry+https://github.com/rust-lang/crates.io-index)" = "76e3a3ef172f1a0b9a9ff0dd1491ae5e6c948b94479a3021819ba7d860c8645d"
-"checksum libz-sys 1.0.23 (registry+https://github.com/rust-lang/crates.io-index)" = "c7bdca442aa002a930e6eb2a71916cabe46d91ffec8df66db0abfb1bc83469ab"
+"checksum libz-sys 1.0.24 (registry+https://github.com/rust-lang/crates.io-index)" = "4401fe74560a0d46fce3464625ac8aa7a79d291dd28cee021d18852d5191c280"
 "checksum lock_api 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "775751a3e69bde4df9b38dd00a1b5d6ac13791e4223d4a0506577f0dd27cfb7a"
 "checksum memchr 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4b3629fe9fdbff6daa6c33b90f7c08355c1aca05a3d01fa8063b822fcf185f3b"
-"checksum miniz-sys 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "609ce024854aeb19a0ef7567d348aaa5a746b32fb72e336df7fcc16869d7e2b4"
-"checksum miniz_oxide 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9ba430291c9d6cedae28bcd2d49d1c32fc57d60cd49086646c5dd5673a870eb5"
-"checksum miniz_oxide_c_api 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "5a5b8234d6103ebfba71e29786da4608540f862de5ce980a1c94f86a40ca0d51"
+"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"
 "checksum msdos_time 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "aad9dfe950c057b1bfe9c1f2aa51583a8468ef2a5baba2ebbe06d775efeb7729"
 "checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
 "checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
-"checksum openssl 0.10.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5e2e79eede055813a3ac52fb3915caf8e1c9da2dec1587871aec9f6f7b48508d"
+"checksum openssl 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)" = "5e1309181cdcbdb51bc3b6bedb33dfac2a83b3d585033d3f6d9e22e8c1928613"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
-"checksum openssl-src 110.0.7+1.1.0i (registry+https://github.com/rust-lang/crates.io-index)" = "c02d15268b7d1b3f0c83a2358f3d981139b54079440f1e2a29c60c1818ad5516"
-"checksum openssl-sys 0.9.36 (registry+https://github.com/rust-lang/crates.io-index)" = "409d77eeb492a1aebd6eb322b2ee72ff7c7496b4434d98b3bf8be038755de65e"
+"checksum openssl-src 111.0.1+1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d1edaed888fd85a54a2646bf02992931ddefdda3b1a748fc79f088a8db27fcbe"
+"checksum openssl-sys 0.9.39 (registry+https://github.com/rust-lang/crates.io-index)" = "278c1ad40a89aa1e741a1eed089a2f60b18fab8089c3139b542140fc7d674106"
 "checksum os_type 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7edc011af0ae98b7f88cf7e4a83b70a54a75d2b8cb013d6efd02e5956207e9eb"
 "checksum owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"
 "checksum parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f0802bff09003b291ba756dc7e79313e51cc31667e94afbe847def490424cde5"
@@ -1139,8 +1128,8 @@ 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 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)" = "84257ccd054dc351472528c8587b4de2dbf0dc0fe2e634030c1a90bfdacebaa9"
-"checksum serde_derive 1.0.79 (registry+https://github.com/rust-lang/crates.io-index)" = "31569d901045afbff7a9479f793177fe9259819aff10ab4f89ef69bbc5f567fe"
+"checksum serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "15c141fc7027dd265a47c090bf864cf62b42c4d228bbcf4e51a0c9e2b0d3f7ef"
+"checksum serde_derive 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "225de307c6302bec3898c51ca302fc94a7a1697ef0845fcee6448f33c032249c"
 "checksum serde_json 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)" = "43344e7ce05d0d8280c5940cabb4964bea626aa58b1ec0e8c73fa2a8512a38ce"
 "checksum slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1e1a2eec401952cd7b12a84ea120e2d57281329940c3f93c2bf04f462539508e"
 "checksum slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e544d16c6b230d84c866662fe55e31aacfca6ae71e6fc49ae9a311cb379bfc2f"
@@ -1149,11 +1138,10 @@ dependencies = [
 "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 structopt 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ca85f2c9a5a1e2d5ac686fc0be48e40f8ad803f5bbe31f692ff71eb2dd8aad45"
-"checksum structopt-derive 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "1383e5db585da799a5c4acc496c5c868e18bf82e658c00c75cc91038fa26b55f"
-"checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
-"checksum syn 0.15.9 (registry+https://github.com/rust-lang/crates.io-index)" = "b10ee269228fb723234fce98e9aac0eaed2bd5f1ad2f6930e8d5b93f04445a1a"
-"checksum synstructure 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "85bb9b7550d063ea184027c9b8c20ac167cd36d3e06b3a40bceb9d746dc1a7b7"
+"checksum structopt 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)" = "d77af7242f18c40fd19cb270985930f239ee1646cfb482050bbae9da1d18743b"
+"checksum structopt-derive 0.2.12 (registry+https://github.com/rust-lang/crates.io-index)" = "17ff01fe96de9d16e7372ae5f19dd7ece2c703b51043c3db9ea27f9e393ea311"
+"checksum syn 0.15.13 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4439ee8325b4e4b57e59309c3724c9a4478eaeb4eb094b6f3fac180a3b2876"
+"checksum synstructure 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ec37f4fab4bafaf6b5621c1d54e6aa5d4d059a8f84929e87abfdd7f9f04c6db2"
 "checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum tar 0.4.17 (registry+https://github.com/rust-lang/crates.io-index)" = "83b0d14b53dbfd62681933fadd651e815f99e6084b649e049ab99296e05ab3de"
 "checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
diff --git a/src/command/build.rs b/src/command/build.rs
index be1de723..7eed1f05 100644
--- a/src/command/build.rs
+++ b/src/command/build.rs
@@ -81,7 +81,7 @@ pub struct BuildOptions {
     pub disable_dts: bool,
 
     #[structopt(long = "target", short = "t", default_value = "browser")]
-    /// Sets the target environment. [possible values: browser, nodejs]
+    /// Sets the target environment. [possible values: browser, nodejs, no-modules]
     pub target: String,
 
     #[structopt(long = "debug")]
diff --git a/src/error.rs b/src/error.rs
index 4fcc513c..75c43b30 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -49,10 +49,7 @@ pub enum Error {
     /// An error invoking another CLI tool.
     #[fail(
         display = "Process exited with {}: {}.\n\nstdout:{}\n\nstderr:\n\n{}",
-        exit_status,
-        message,
-        stdout,
-        stderr
+        exit_status, message, stdout, stderr
     )]
     Cli {
         /// Error message.
diff --git a/tests/all/bindgen.rs b/tests/all/bindgen.rs
index b79d58c1..4892019b 100644
--- a/tests/all/bindgen.rs
+++ b/tests/all/bindgen.rs
@@ -11,20 +11,18 @@ fn can_download_prebuilt_wasm_bindgen() {
     use std::env;
     let dir = tempfile::TempDir::new().unwrap();
     bindgen::download_prebuilt_wasm_bindgen(dir.path(), "0.2.21").unwrap();
-    assert!(
-        dir.path()
-            .join("bin")
-            .join("wasm-bindgen")
-            .with_extension(env::consts::EXE_EXTENSION)
-            .is_file()
-    );
-    assert!(
-        dir.path()
-            .join("bin")
-            .join("wasm-bindgen-test-runner")
-            .with_extension(env::consts::EXE_EXTENSION)
-            .is_file()
-    );
+    assert!(dir
+        .path()
+        .join("bin")
+        .join("wasm-bindgen")
+        .with_extension(env::consts::EXE_EXTENSION)
+        .is_file());
+    assert!(dir
+        .path()
+        .join("bin")
+        .join("wasm-bindgen-test-runner")
+        .with_extension(env::consts::EXE_EXTENSION)
+        .is_file());
 }
 
 #[test]
diff --git a/tests/all/manifest.rs b/tests/all/manifest.rs
index 1add2b7e..459b8ab8 100644
--- a/tests/all/manifest.rs
+++ b/tests/all/manifest.rs
@@ -83,9 +83,9 @@ fn it_creates_a_package_json_default_path() {
         "js_hello_world.d.ts",
         "js_hello_world.js",
     ]
-        .iter()
-        .map(|&s| String::from(s))
-        .collect();
+    .iter()
+    .map(|&s| String::from(s))
+    .collect();
     assert_eq!(actual_files, expected_files);
 }
 
@@ -109,9 +109,9 @@ fn it_creates_a_package_json_provided_path() {
         "js_hello_world.d.ts",
         "js_hello_world.js",
     ]
-        .iter()
-        .map(|&s| String::from(s))
-        .collect();
+    .iter()
+    .map(|&s| String::from(s))
+    .collect();
     assert_eq!(actual_files, expected_files);
 }
 
@@ -121,17 +121,15 @@ fn it_creates_a_package_json_provided_path_with_scope() {
     let out_dir = fixture.path.join("pkg");
     let step = wasm_pack::progressbar::Step::new(1);
     wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
-    assert!(
-        manifest::write_package_json(
-            &fixture.path,
-            &out_dir,
-            &Some("test".to_string()),
-            false,
-            "",
-            &step
-        )
-        .is_ok()
-    );
+    assert!(manifest::write_package_json(
+        &fixture.path,
+        &out_dir,
+        &Some("test".to_string()),
+        false,
+        "",
+        &step
+    )
+    .is_ok());
     let package_json_path = &fixture.path.join("pkg").join("package.json");
     assert!(fs::metadata(package_json_path).is_ok());
     assert!(utils::manifest::read_package_json(&fixture.path, &out_dir).is_ok());
@@ -145,9 +143,9 @@ fn it_creates_a_package_json_provided_path_with_scope() {
         "js_hello_world.d.ts",
         "js_hello_world.js",
     ]
-        .iter()
-        .map(|&s| String::from(s))
-        .collect();
+    .iter()
+    .map(|&s| String::from(s))
+    .collect();
     assert_eq!(actual_files, expected_files);
 }
 
@@ -180,9 +178,9 @@ fn it_creates_a_pkg_json_with_correct_files_on_node() {
         "js_hello_world_bg.js",
         "js_hello_world.d.ts",
     ]
-        .iter()
-        .map(|&s| String::from(s))
-        .collect();
+    .iter()
+    .map(|&s| String::from(s))
+    .collect();
     assert_eq!(actual_files, expected_files);
 }
 
@@ -192,10 +190,15 @@ fn it_creates_a_pkg_json_with_correct_files_on_nomodules() {
     let out_dir = fixture.path.join("pkg");
     let step = wasm_pack::progressbar::Step::new(1);
     wasm_pack::command::utils::create_pkg_dir(&out_dir, &step).unwrap();
-    assert!(
-        manifest::write_package_json(&fixture.path, &out_dir, &None, false, "no-modules", &step)
-            .is_ok()
-    );
+    assert!(manifest::write_package_json(
+        &fixture.path,
+        &out_dir,
+        &None,
+        false,
+        "no-modules",
+        &step
+    )
+    .is_ok());
     let package_json_path = &out_dir.join("package.json");
     assert!(fs::metadata(package_json_path).is_ok());
     utils::manifest::read_package_json(&fixture.path, &out_dir).unwrap();
@@ -215,9 +218,9 @@ fn it_creates_a_pkg_json_with_correct_files_on_nomodules() {
         "js_hello_world.js",
         "js_hello_world.d.ts",
     ]
-        .iter()
-        .map(|&s| String::from(s))
-        .collect();
+    .iter()
+    .map(|&s| String::from(s))
+    .collect();
     assert_eq!(actual_files, expected_files);
 }