[INFO] cloning repository https://github.com/jhg/count-combinations
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhg/count-combinations" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhg%2Fcount-combinations", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhg%2Fcount-combinations'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68905f86d8d416958a55f360768550ba35cd388c
[INFO] testing jhg/count-combinations against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhg%2Fcount-combinations" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhg/count-combinations
[INFO] finished tweaking git repo https://github.com/jhg/count-combinations
[INFO] tweaked toml for git repo https://github.com/jhg/count-combinations written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhg/count-combinations on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jhg/count-combinations 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.100
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded lock_api v0.4.12
[INFO] [stderr]   Downloaded parking_lot_core v0.9.10
[INFO] [stderr] error: failed to unpack package `parking_lot_core v0.9.10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `parking_lot_core-0.9.10/src/thread_parker/sgx.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot_core-0.9.10/src/thread_parker/sgx.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `parking_lot_core-0.9.10/src/thread_parker/sgx.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot_core-0.9.10/src/thread_parker/sgx.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Updating crates.io index
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded wasm-bindgen-shared v0.2.100
         Downloaded scopeguard v1.2.0
         Downloaded number_prefix v0.4.0
         Downloaded lock_api v0.4.12
         Downloaded parking_lot_core v0.9.10
       error: failed to unpack package `parking_lot_core v0.9.10`
       
       Caused by:
         failed to unpack entry at `parking_lot_core-0.9.10/src/thread_parker/sgx.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot_core-0.9.10/src/thread_parker/sgx.rs`
       
       Caused by:
         failed to unpack `parking_lot_core-0.9.10/src/thread_parker/sgx.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/parking_lot_core-0.9.10/src/thread_parker/sgx.rs`
       
       Caused by:
         No space left on device (os error 28)