Move Tier 3s to Tier 2

Author: Susurrus

.travis.yml

@@ -102,16 +102,6 @@ matrix:
     - env: TARGET=x86_64-unknown-linux-gnu
       rust: beta
 
-    # Planning to add these targets, but they can fail for now
-    - env: TARGET=mips64-unknown-linux-gnuabi64
-      rust: 1.13.0
-    - env: TARGET=mips64el-unknown-linux-gnuabi64
-      rust: 1.13.0
-    - env: TARGET=arm-unknown-linux-musleabi
-      rust: 1.14.0
-    - env: TARGET=s390x-unknown-linux-gnu
-      rust: 1.13.0
-
 before_install: set -e
 
 install:

README.md

@@ -69,23 +69,21 @@ Tier 2:
   * aarch64-apple-ios
   * aarch64-linux-android
   * arm-linux-androideabi
+  * arm-unknown-linux-musleabi (requires Rust >= 1.14)
   * armv7-apple-ios
   * armv7-linux-androideabi
   * armv7s-apple-ios
   * i386-apple-ios
   * i686-linux-android (requires Rust >= 1.18)
   * i686-unknown-freebsd
+  * mips64-unknown-linux-gnuabi64
+  * mips64el-unknown-linux-gnuabi64
   * powerpc-unknown-linux-gnu
+  * s390x-unknown-linux-gnu
   * x86_64-apple-ios
   * x86_64-linux-android (requires Rust >= 1.18)
   * x86_64-unknown-netbsd
 
-Tier 3:
-  * arm-unknown-linux-musleabi (requires Rust >= 1.14)
-  * mips64-unknown-linux-gnuabi64
-  * mips64el-unknown-linux-gnuabi64
-  * s390x-unknown-linux-gnu
-
 ## Usage
 
 To use `nix`, first add this to your `Cargo.toml`: