[INFO] cloning repository https://github.com/JohnScience/wasi-preview1-host-guest-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnScience/wasi-preview1-host-guest-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnScience%2Fwasi-preview1-host-guest-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnScience%2Fwasi-preview1-host-guest-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e388ac5261724b81e003941e8919312dd61bfd86
[INFO] checking JohnScience/wasi-preview1-host-guest-example against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnScience%2Fwasi-preview1-host-guest-example" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/JohnScience/wasi-preview1-host-guest-example
[INFO] finished tweaking git repo https://github.com/JohnScience/wasi-preview1-host-guest-example
[INFO] tweaked toml for git repo https://github.com/JohnScience/wasi-preview1-host-guest-example written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JohnScience/wasi-preview1-host-guest-example on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JohnScience/wasi-preview1-host-guest-example 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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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/fce0e74720d199eb7839fdb51af35ac5226da178/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

    Blocking waiting for file lock on package cache
    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/fce0e74720d199eb7839fdb51af35ac5226da178/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
