[INFO] fetching crate usher 0.2.1...
[INFO] checking usher-0.2.1 against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] extracting crate usher 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate usher 0.2.1 on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usher 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate usher 0.2.1
[INFO] tweaked toml for crates.io crate usher 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate usher 0.2.1 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68b86b1a458f34e604e303cf3d35cc8d864d9244166339e42c5fcfdc82e8c283
[INFO] running `Command { std: "docker" "start" "-a" "68b86b1a458f34e604e303cf3d35cc8d864d9244166339e42c5fcfdc82e8c283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68b86b1a458f34e604e303cf3d35cc8d864d9244166339e42c5fcfdc82e8c283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b86b1a458f34e604e303cf3d35cc8d864d9244166339e42c5fcfdc82e8c283", kill_on_drop: false }`
[INFO] [stdout] 68b86b1a458f34e604e303cf3d35cc8d864d9244166339e42c5fcfdc82e8c283


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-3-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/97dcb12d73b9d472413f2ab8ea293b46f802135dc03348c3d9d2dea28c8b30fd/merged/opt/rustwide/target: no space left on device: unknown