[INFO] cloning repository https://github.com/nolanderc/witness
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nolanderc/witness" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnolanderc%2Fwitness", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnolanderc%2Fwitness'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62985dca0ef7c9cf3f980e5040099b6718abe8f8
[INFO] checking nolanderc/witness against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnolanderc%2Fwitness" "/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/nolanderc/witness on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nolanderc/witness
[INFO] finished tweaking git repo https://github.com/nolanderc/witness
[INFO] tweaked toml for git repo https://github.com/nolanderc/witness written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nolanderc/witness 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e67117a7a8308399b1cc670620884d317a2db45a06774f853cf76a3179a7e290
[INFO] running `Command { std: "docker" "start" "-a" "e67117a7a8308399b1cc670620884d317a2db45a06774f853cf76a3179a7e290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e67117a7a8308399b1cc670620884d317a2db45a06774f853cf76a3179a7e290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67117a7a8308399b1cc670620884d317a2db45a06774f853cf76a3179a7e290", kill_on_drop: false }`
[INFO] [stdout] e67117a7a8308399b1cc670620884d317a2db45a06774f853cf76a3179a7e290


command failed: exit status: 1

Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/e283bbe0b3c3f9d7be79a38850b683bc2a6cdaf33f5a29a7826bfc669c901004/merged/opt/rustwide/target: no space left on device: unknown