Merge branch 'post-01' into post-02

.appveyor.yml

@@ -19,21 +19,21 @@ environment:
 
 ### MSVC Toolchains ###
   # Nightly 64-bit MSVC
-    - channel: nightly
+    - channel: stable
       target: x86_64-pc-windows-msvc
       MSYS_BITS: 64
   # Nightly 32-bit MSVC
-    - channel: nightly
+    - channel: stable
       target: i686-pc-windows-msvc
       MSYS_BITS: 32
 
 ### GNU Toolchains ###
   # Nightly 64-bit GNU
-    - channel: nightly
+    - channel: stable
       target: x86_64-pc-windows-gnu
       MSYS_BITS: 64
   # Nightly 32-bit GNU
-    - channel: nightly
+    - channel: stable
       target: i686-pc-windows-gnu
       MSYS_BITS: 32
 

.travis.yml

@@ -1,7 +1,7 @@
 language: rust
 
 rust:
-    - nightly
+    - stable
 
 os:
   - linux

azure-pipelines.yml

@@ -17,7 +17,7 @@ strategy:
   matrix:
     linux:
       image_name: 'ubuntu-16.04'
-      rustup_toolchain: nightly
+      rustup_toolchain: stable
     mac:
       image_name: 'macos-10.13'
       rustup_toolchain: nightly

rust-toolchain

@@ -1 +0,0 @@
-nightly