[INFO] cloning repository https://github.com/chyyuu/arceos-for-starry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chyyuu/arceos-for-starry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Farceos-for-starry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Farceos-for-starry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e30b1c9ca7fd497aefbd2c832dac3f01ce67dfc
[INFO] checking chyyuu/arceos-for-starry against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchyyuu%2Farceos-for-starry" "/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/chyyuu/arceos-for-starry
[INFO] finished tweaking git repo https://github.com/chyyuu/arceos-for-starry
[INFO] tweaked toml for git repo https://github.com/chyyuu/arceos-for-starry written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chyyuu/arceos-for-starry on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chyyuu/arceos-for-starry 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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/Starry-OS/axbacktrace.git`
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (8194) panicked at /rust/deps/futures-executor-0.3.32/src/local_pool.rs:81:26:
[INFO] [stderr] cannot execute `LocalPool` executor from within another executor: EnterError
[INFO] [stderr] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating git repository `https://github.com/Starry-OS/axbacktrace.git`
       
       thread 'main' (8194) panicked at /rust/deps/futures-executor-0.3.32/src/local_pool.rs:81:26:
       cannot execute `LocalPool` executor from within another executor: EnterError
       note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace