Auto merge of #3429 - JohnTitor:mips-is-now-tier3, r=JohnTitor

Downgrade CI support for MIPS

MIPS targets are now tier 3, this downgrades CI support for MIPS just like other tier 3 targets.

Author: bors

.github/workflows/bors.yml

@@ -136,13 +136,6 @@ jobs:
           asmjs-unknown-emscripten,
           i686-linux-android,
           i686-unknown-linux-musl,
-          mips-unknown-linux-gnu,
-          mips-unknown-linux-musl,
-          # FIXME: Somehow failed on CI
-          # https://github.com/rust-lang/libc/runs/1659882216
-          # mips64-unknown-linux-gnuabi64,
-          # mips64el-unknown-linux-gnuabi64,
-          mipsel-unknown-linux-musl,
           powerpc-unknown-linux-gnu,
           powerpc64-unknown-linux-gnu,
           powerpc64le-unknown-linux-gnu,

ci/build.sh

@@ -112,14 +112,6 @@ x86_64-unknown-linux-musl \
 x86_64-unknown-netbsd \
 "
 
-# FIXME: builds of MIPS targets are currently broken on nightly.
-# mips-unknown-linux-gnu \
-# mips-unknown-linux-musl \
-# mips64-unknown-linux-gnuabi64 \
-# mips64el-unknown-linux-gnuabi64 \
-# mipsel-unknown-linux-gnu \
-# mipsel-unknown-linux-musl \
-
 RUST_GT_1_13_LINUX_TARGETS="\
 arm-unknown-linux-musleabi \
 arm-unknown-linux-musleabihf \
@@ -238,9 +230,15 @@ i686-unknown-haiku \
 i686-unknown-netbsd \
 i686-unknown-openbsd \
 i686-wrs-vxworks \
-mipsel-sony-psp \
+mips-unknown-linux-gnu \
+mips-unknown-linux-musl \
+mips64-unknown-linux-gnuabi64 \
 mips64-unknown-linux-muslabi64 \
+mips64el-unknown-linux-gnuabi64 \
 mips64el-unknown-linux-muslabi64 \
+mipsel-unknown-linux-gnu \
+mipsel-unknown-linux-musl \
+mipsel-sony-psp \
 nvptx64-nvidia-cuda \
 powerpc-unknown-linux-gnuspe \
 powerpc-unknown-netbsd \