Auto merge of rust-lang#2572 - RalfJung:update, r=RalfJung

Author: RalfJung

.github/workflows/ci.yml

@@ -61,7 +61,7 @@ jobs:
           restore-keys: ${{ runner.os }}-cargo
 
       - name: Install rustup-toolchain-install-master
-        if: ${{ steps.cache.outputs.cache-hit == 'false' }}
+        if: ${{ steps.cache-npm.outputs.cache-hit != 'true' }}
         shell: bash
         run: |
           cargo install -f rustup-toolchain-install-master

cargo-miri/Cargo.lock

@@ -18,7 +18,7 @@ directories = "4"
 rustc_version = "0.4"
 serde_json = "1.0.40"
 cargo_metadata = "0.15.0"
-rustc-build-sysroot = "0.3"
+rustc-build-sysroot = "0.3.3"
 
 # A noop dependency that changes in the Rust repository, it's a bit of a hack.
 # See the `src/tools/rustc-workspace-hack/README.md` file in `rust-lang/rust`