Another approach

Author: Luni-4

.taskcluster.yml

@@ -37,12 +37,12 @@ tasks:
           maxRunTime: 3600
           image: "mozilla/taskboot:0.2.7"
           command:
+            - "apk --no-cache add rustup"
+            - "rustup target add x86_64-unknown-linux-musl"
             - "/bin/sh"
             - "-cx"
             - "git clone --recursive --quiet ${repository} &&
                cd rust-code-analysis &&
-               apk --no-cache add rustup &&
-               rustup target add x86_64-unknown-linux-musl &&
                cargo build --release --workspace --all-features --target x86_64-unknown-linux-musl"
         metadata:
           name: rust-code-analysis useless