[INFO] cloning repository https://github.com/imjasonmiller/piston-sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imjasonmiller/piston-sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjasonmiller%2Fpiston-sudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjasonmiller%2Fpiston-sudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7210060f3c39ce5244a2d21a90b011fe3dd16000
[INFO] checking imjasonmiller/piston-sudoku against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimjasonmiller%2Fpiston-sudoku" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imjasonmiller/piston-sudoku on toolchain be181dd75c83d72fcc95538e235768bc367b76b9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imjasonmiller/piston-sudoku
[INFO] finished tweaking git repo https://github.com/imjasonmiller/piston-sudoku
[INFO] tweaked toml for git repo https://github.com/imjasonmiller/piston-sudoku written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imjasonmiller/piston-sudoku 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" "+be181dd75c83d72fcc95538e235768bc367b76b9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.16.2
[INFO] [stderr] error: No space left on device (os error 28)


command failed: exit status: 101

 Downloading crates ...
  Downloaded png v0.16.2
error: No space left on device (os error 28)