[INFO] cloning repository https://github.com/matriv/rust_project_euler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matriv/rust_project_euler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatriv%2Frust_project_euler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatriv%2Frust_project_euler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 286f3baa32b2675dbaee311a16aca4eb4d67bc39
[INFO] checking matriv/rust_project_euler against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatriv%2Frust_project_euler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/matriv/rust_project_euler
[INFO] finished tweaking git repo https://github.com/matriv/rust_project_euler
[INFO] tweaked toml for git repo https://github.com/matriv/rust_project_euler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/matriv/rust_project_euler on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/matriv/rust_project_euler 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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 primes v0.3.0
[INFO] [stderr]   Downloaded round v0.1.2
[INFO] [stderr] error: failed to unpack package `round v0.1.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `round-0.1.2/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/round-0.1.2/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `round-0.1.2/.travis.yml` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/round-0.1.2/.travis.yml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


command failed: exit status: 101

    Updating crates.io index
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded primes v0.3.0
  Downloaded round v0.1.2
error: failed to unpack package `round v0.1.2`

Caused by:
  failed to unpack entry at `round-0.1.2/.travis.yml`

Caused by:
  failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/round-0.1.2/.travis.yml`

Caused by:
  failed to unpack `round-0.1.2/.travis.yml` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/round-0.1.2/.travis.yml`

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