message: Don't install rust-src on nightly for normal tests
diff: @@ -16,11 +16,6 @@ steps:
  - bash: rustup component add clippy || echo "clippy not available"
  displayName: "Install clippy (maybe)"
  -# This is needed for standard library tests.
  -- bash: rustup component add rust-src
  - condition: and(succeeded(), eq(variables['TOOLCHAIN'], 'nightly'))
  - displayName: "Install rust-src (maybe)"
  -
  # Deny warnings on CI to avoid warnings getting into the codebase, and note the
  # `force-system-lib-on-osx` which is intended to fix compile issues on OSX where
  # compiling curl from source on OSX yields linker errors on Azure.
  