[INFO] cloning repository https://github.com/krakow10/treehouse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krakow10/treehouse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakow10%2Ftreehouse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakow10%2Ftreehouse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60ca5581b731c954abf45872c315c1a8bcc5f409
[INFO] checking krakow10/treehouse against master#8e37e151835d96d6a7415e93e6876561485a3354 for pr-134218
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrakow10%2Ftreehouse" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krakow10/treehouse on toolchain 8e37e151835d96d6a7415e93e6876561485a3354
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krakow10/treehouse
[INFO] finished tweaking git repo https://github.com/krakow10/treehouse
[INFO] tweaked toml for git repo https://github.com/krakow10/treehouse written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/krakow10/treehouse 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" "+8e37e151835d96d6a7415e93e6876561485a3354" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]   Downloaded gmp-mpfr-sys v1.6.4
[INFO] [stderr] error: failed to unpack package `gmp-mpfr-sys v1.6.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `gmp-mpfr-sys-1.6.4/doc-c/MPC/Ball-Arithmetic.html`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gmp-mpfr-sys-1.6.4/doc-c/MPC/Ball-Arithmetic.html`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `gmp-mpfr-sys-1.6.4/doc-c/MPC/Ball-Arithmetic.html` into `/workspace/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gmp-mpfr-sys-1.6.4/doc-c/MPC/Ball-Arithmetic.html`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


ExecutionFailed(ExitStatus(unix_wait_status(25856)))