272: CI installs `rustfmt` where needed r=nikomatsakis a=1tgr

Only the stable toolchain appears to install `rustfmt` by default

Co-authored-by: Tim Robinson <tim.g.robinson@gmail.com>
This commit is contained in:
bors[bot] 2021-06-17 14:24:35 +00:00 committed by GitHub
commit 08cddfd6dd
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@ -31,6 +31,7 @@ jobs:
- uses: actions-rs/toolchain@v1
with:
toolchain: ${{ matrix.rust }}
components: rustfmt
default: true
- uses: actions-rs/cargo@v1
with: