[INFO] cloning repository https://github.com/safinsingh/bors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/safinsingh/bors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafinsingh%2Fbors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafinsingh%2Fbors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e3982b0ff7d51415e8b47e53484201df429ba71
[INFO] checking safinsingh/bors against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafinsingh%2Fbors" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/safinsingh/bors on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/safinsingh/bors
[INFO] finished tweaking git repo https://github.com/safinsingh/bors
[INFO] tweaked toml for git repo https://github.com/safinsingh/bors written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/safinsingh/bors 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded lazysort v0.2.1
[INFO] [stderr]   Downloaded command_attr v0.3.1
[INFO] [stderr] error: failed to unpack package `command_attr v0.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `command_attr-0.3.1/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/command_attr-0.3.1/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `command_attr-0.3.1/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/command_attr-0.3.1/src/lib.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


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
 Downloading crates ...
  Downloaded lazysort v0.2.1
  Downloaded command_attr v0.3.1
error: failed to unpack package `command_attr v0.3.1`

Caused by:
  failed to unpack entry at `command_attr-0.3.1/src/lib.rs`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/command_attr-0.3.1/src/lib.rs`

Caused by:
  failed to unpack `command_attr-0.3.1/src/lib.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/command_attr-0.3.1/src/lib.rs`

Caused by:
  No space left on device (os error 28)