[INFO] fetching crate wasm-embedded-hal 0.4.0...
[INFO] checking wasm-embedded-hal-0.4.0 against master#04ff05c9c0cfbca33115c5f1b8bb20a66a54b799 for pr-147834
[INFO] extracting crate wasm-embedded-hal 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate wasm-embedded-hal 0.4.0
[INFO] finished tweaking crates.io crate wasm-embedded-hal 0.4.0
[INFO] tweaked toml for crates.io crate wasm-embedded-hal 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm-embedded-hal 0.4.0 on toolchain 04ff05c9c0cfbca33115c5f1b8bb20a66a54b799
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wasm-embedded-hal 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ff05c9c0cfbca33115c5f1b8bb20a66a54b799" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to run `rustc` to learn about target-specific information
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/workspace/rustup-home/toolchains/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/bin/rustc - --crate-name ___ --print=file-names --target wasm32-wasi --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=split-debuginfo --print=crate-name --print=cfg -Wwarnings` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: error loading target specification: could not find specification for target "wasm32-wasi"
[INFO] [stderr]     |
[INFO] [stderr]     = help: run `rustc --print target-list` for a list of built-in targets
[INFO] [stderr] 


command failed: exit status: 101

    Updating crates.io index
error: failed to run `rustc` to learn about target-specific information

Caused by:
  process didn't exit successfully: `/workspace/rustup-home/toolchains/04ff05c9c0cfbca33115c5f1b8bb20a66a54b799/bin/rustc - --crate-name ___ --print=file-names --target wasm32-wasi --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=split-debuginfo --print=crate-name --print=cfg -Wwarnings` (exit status: 1)
  --- stderr
  error: error loading target specification: could not find specification for target "wasm32-wasi"
    |
    = help: run `rustc --print target-list` for a list of built-in targets