Remove support for i686-apple-darwin.

Author: reitermarkus

CHANGELOG.md

@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ## [Unreleased]
 
 - Disabled `x86_64-unknown-dragonfly` image.
+- Removed CI testing for `i686-apple-darwin`.
 
 ## [v0.2.0] - 2020-02-22
 

azure-pipelines.yml

@@ -50,7 +50,6 @@ jobs:
         armv7-linux-androideabi:         { TARGET: armv7-linux-androideabi,         CPP: 1,           STD: 1, RUN: 1 }
         i686-linux-android:              { TARGET: i686-linux-android,              CPP: 1,           STD: 1, RUN: 1 }
         x86_64-linux-android:            { TARGET: x86_64-linux-android,            CPP: 1,           STD: 1, RUN: 1 }
-        i686-apple-darwin:               { TARGET: i686-apple-darwin,               CPP: 1, DYLIB: 1, STD: 1,                   RUN: 1, VM_IMAGE: macOS-10.13 }
         x86_64-apple-darwin:             { TARGET: x86_64-apple-darwin,             CPP: 1, DYLIB: 1, STD: 1,                   RUN: 1, VM_IMAGE: macOS-latest, DEPLOY: 1 }
         x86_64-pc-windows-gnu:           { TARGET: x86_64-pc-windows-gnu,           CPP: 1,           STD: 1,                   RUN: 1 }
         # `cargo build` fails with undefined symbols (https://github.com/rust-lang/rust/issues/32859) on `i686-pc-windows-gnu`.