Bug 1473069 - Use stable Rust with RUSTC_BOOTSTRAP for code coverage builds. r=chmanchester

Differential Revision: https://phabricator.services.mozilla.com/D48780

--HG--
extra : moz-landing-system : lando

taskcluster/ci/build/linux.yml

@@ -727,6 +727,7 @@ linux64-fuzzing-ccov/opt:
             PERFHERDER_EXTRA_OPTIONS: fuzzing-ccov
             FORCE_GCC: '1'
             ASAN_OPTIONS: "detect_leaks=0"
+            RUSTC_BOOTSTRAP: '1'
     run:
         using: mozharness
         actions: [get-secrets, build]
@@ -743,7 +744,7 @@ linux64-fuzzing-ccov/opt:
             - linux64-clang
             - linux64-gcc
             - linux64-cbindgen
-            - linux64-rust-nightly
+            - linux64-rust
             - linux64-rust-size
             - linux64-sccache
             - linux64-nasm
@@ -1001,6 +1002,7 @@ linux64-tup/opt:
         max-run-time: 3600
         env:
             PERFHERDER_EXTRA_OPTIONS: tup
+            RUSTC_BOOTSTRAP: '1'
     run:
         using: mozharness
         actions: [get-secrets, build]
@@ -1018,7 +1020,7 @@ linux64-tup/opt:
         toolchain:
             - linux64-binutils
             - linux64-clang
-            - linux64-rust-nightly
+            - linux64-rust
             - linux64-cbindgen
             - linux64-sccache
             - linux64-tup
@@ -1044,6 +1046,7 @@ linux64-ccov/debug:
         max-run-time: 7200
         env:
             FORCE_GCC: '1'
+            RUSTC_BOOTSTRAP: '1'
     run:
         using: mozharness
         actions: [get-secrets, build]
@@ -1059,7 +1062,7 @@ linux64-ccov/debug:
     fetches:
         toolchain:
             - linux64-clang-8
-            - linux64-rust-nightly
+            - linux64-rust
             - linux64-gcc
             - linux64-grcov
             - linux64-cbindgen
@@ -1082,6 +1085,7 @@ linux64-ccov/opt:
         max-run-time: 7200
         env:
             FORCE_GCC: '1'
+            RUSTC_BOOTSTRAP: '1'
     run:
         using: mozharness
         actions: [get-secrets, build]
@@ -1097,7 +1101,7 @@ linux64-ccov/opt:
     fetches:
         toolchain:
             - linux64-clang-8
-            - linux64-rust-nightly
+            - linux64-rust
             - linux64-gcc
             - linux64-cbindgen
             - linux64-sccache

taskcluster/ci/build/macosx.yml

@@ -356,6 +356,7 @@ macosx64-ccov/debug:
         max-run-time: 7200
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/macosx64/cross-releng.manifest"
+            RUSTC_BOOTSTRAP: '1'
     run:
         using: mozharness
         actions: [get-secrets, build]
@@ -376,7 +377,7 @@ macosx64-ccov/debug:
             - linux64-hfsplus
             - linux64-libdmg
             - linux64-llvm-dsymutil
-            - linux64-rust-nightly-macos
+            - linux64-rust-macos
             - linux64-rust-size
             - linux64-cbindgen
             - linux64-sccache

taskcluster/ci/build/windows.yml

@@ -666,6 +666,7 @@ win64-ccov/debug:
         max-run-time: 7200
         env:
             TOOLTOOL_MANIFEST: "browser/config/tooltool-manifests/win64/releng.manifest"
+            RUSTC_BOOTSTRAP: '1'
     run:
         options: [append-env-variables-from-configs]
         script: mozharness/scripts/fx_desktop_build.py
@@ -680,7 +681,7 @@ win64-ccov/debug:
     fetches:
         toolchain:
             - win64-clang-cl
-            - win64-rust-nightly
+            - win64-rust
             - win64-rust-size
             - win64-cbindgen
             - win64-grcov

taskcluster/ci/toolchain/rust.yml

@@ -94,18 +94,6 @@ linux64-rust-1.37:
         ]
         toolchain-alias: linux64-rust
 
-linux64-rust-nightly:
-    description: "rust nightly repack"
-    treeherder:
-        symbol: TL(rust-nightly)
-    run:
-        arguments: [
-            '--channel', 'nightly-2019-06-28',
-            '--host', 'x86_64-unknown-linux-gnu',
-            '--target', 'x86_64-unknown-linux-gnu',
-            '--target', 'i686-unknown-linux-gnu',
-        ]
-
 linux64-rust-macos-1.31:
     description: "rust repack with macos-cross support"
     treeherder:
@@ -194,18 +182,6 @@ linux64-rust-macos-1.37:
         ]
         toolchain-alias: linux64-rust-macos
 
-linux64-rust-nightly-macos:
-    description: "rust nightly repack with macos-cross support"
-    treeherder:
-        symbol: TL(rust-nightly-macos)
-    run:
-        arguments: [
-            '--channel', 'nightly-2019-06-28',
-            '--host', 'x86_64-unknown-linux-gnu',
-            '--target', 'x86_64-unknown-linux-gnu',
-            '--target', 'x86_64-apple-darwin',
-        ]
-
 linux64-rust-android-1.37:
     description: "rust repack with android-cross support"
     treeherder:
@@ -273,18 +249,6 @@ win64-rust-1.37:
         ]
         toolchain-alias: win64-rust
 
-win64-rust-nightly:
-    description: "rust nightly repack"
-    treeherder:
-        symbol: TW64(rust-nightly)
-    run:
-        arguments: [
-            '--channel', 'nightly-2019-06-28',
-            '--host', 'x86_64-pc-windows-msvc',
-            '--target', 'x86_64-pc-windows-msvc',
-            '--target', 'i686-pc-windows-msvc',
-        ]
-
 mingw32-rust-1.31:
     treeherder:
         symbol: TMW(rust-1.31)