[INFO] cloning repository https://github.com/larvvae/playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/larvvae/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarvvae%2Fplayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarvvae%2Fplayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86029851730bf921b834b68a021b0d0f099e2443
[INFO] checking larvvae/playground against master#9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a for pr-138458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flarvvae%2Fplayground" "/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/larvvae/playground on toolchain 9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/larvvae/playground
[INFO] finished tweaking git repo https://github.com/larvvae/playground
[INFO] tweaked toml for git repo https://github.com/larvvae/playground written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/larvvae/playground 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" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tikv/raft-rs.git`
[INFO] [stderr]     Updating git repository `https://github.com/breeswish/slog-global.git`
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap_derive`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-types v0.5.0
[INFO] [stderr]   Downloaded slog-stdlog v4.0.0
[INFO] [stderr]   Downloaded prost-derive v0.5.0
[INFO] [stderr]   Downloaded prost v0.5.0
[INFO] [stderr]   Downloaded prost-build v0.5.0
[INFO] [stderr] error: No space left on device (os error 28)


command failed: exit status: 101

    Updating git repository `https://github.com/tikv/raft-rs.git`
    Updating git repository `https://github.com/breeswish/slog-global.git`
    Updating git repository `https://github.com/clap-rs/clap_derive`
    Blocking waiting for file lock on package cache
 Downloading crates ...
  Downloaded prost-types v0.5.0
  Downloaded slog-stdlog v4.0.0
  Downloaded prost-derive v0.5.0
  Downloaded prost v0.5.0
  Downloaded prost-build v0.5.0
error: No space left on device (os error 28)