[INFO] cloning repository https://github.com/kaizhang91/mybin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaizhang91/mybin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaizhang91%2Fmybin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaizhang91%2Fmybin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b9835d4154d74c4e3f8445e2f577442b131ef79
[INFO] testing kaizhang91/mybin against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaizhang91%2Fmybin" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaizhang91/mybin
[INFO] finished tweaking git repo https://github.com/kaizhang91/mybin
[INFO] tweaked toml for git repo https://github.com/kaizhang91/mybin written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaizhang91/mybin 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/kaizhang91/mybin 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr] error: failed to download `winapi-i686-pc-windows-gnu v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `winapi-i686-pc-windows-gnu v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig`
[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
           Blocking waiting for file lock on package cache
           Blocking waiting for file lock on package cache
        Downloading crates ...
       error: failed to download `winapi-i686-pc-windows-gnu v0.4.0`
       
       Caused by:
         unable to get packages from source
       
       Caused by:
         failed to unpack package `winapi-i686-pc-windows-gnu v0.4.0`
       
       Caused by:
         failed to unpack entry at `winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig`
       
       Caused by:
         failed to unpack `winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-i686-pc-windows-gnu-0.4.0/Cargo.toml.orig`
       
       Caused by:
         No space left on device (os error 28)