[INFO] cloning repository https://github.com/jprio/crabcan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jprio/crabcan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76f9a2aed202e59d8e5f0eb663ba947cc6a76003
[INFO] testing jprio/crabcan against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjprio%2Fcrabcan" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jprio/crabcan
[INFO] finished tweaking git repo https://github.com/jprio/crabcan
[INFO] tweaked toml for git repo https://github.com/jprio/crabcan written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jprio/crabcan on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jprio/crabcan 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" "+f9988fefd3add01f414f52b414308e7872622fee" "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] warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/en/v_/env_logger, error: No space left on device (os error 28)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr] error: failed to unpack package `structopt v0.3.26`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `structopt-0.3.26/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-0.3.26/CHANGELOG.md`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `structopt-0.3.26/CHANGELOG.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-0.3.26/CHANGELOG.md`
[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
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
       warning: failed to write cache, path: /workspace/cargo-home/registry/index/index.crates.io-1949cf8c6b5b557f/.cache/en/v_/env_logger, error: No space left on device (os error 28)
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded structopt v0.3.26
       error: failed to unpack package `structopt v0.3.26`
       
       Caused by:
         failed to unpack entry at `structopt-0.3.26/CHANGELOG.md`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-0.3.26/CHANGELOG.md`
       
       Caused by:
         failed to unpack `structopt-0.3.26/CHANGELOG.md` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/structopt-0.3.26/CHANGELOG.md`
       
       Caused by:
         No space left on device (os error 28)