[INFO] fetching crate sensei 0.2.9...
[INFO] checking sensei-0.2.9 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] extracting crate sensei 0.2.9 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sensei 0.2.9
[INFO] finished tweaking crates.io crate sensei 0.2.9
[INFO] tweaked toml for crates.io crate sensei 0.2.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sensei 0.2.9 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 crates.io crate sensei 0.2.9 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]  Downloading crates ...
[INFO] [stderr]   Downloaded open v2.0.1
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d117400f771ce923ede8dfedfa237fad0afc7b6c6f92defd649fa5ce797adb58
[INFO] running `Command { std: "docker" "start" "-a" "d117400f771ce923ede8dfedfa237fad0afc7b6c6f92defd649fa5ce797adb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d117400f771ce923ede8dfedfa237fad0afc7b6c6f92defd649fa5ce797adb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d117400f771ce923ede8dfedfa237fad0afc7b6c6f92defd649fa5ce797adb58", kill_on_drop: false }`
[INFO] [stdout] d117400f771ce923ede8dfedfa237fad0afc7b6c6f92defd649fa5ce797adb58


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": create mountpoint for /opt/rustwide/target mount: mkdirat /var/lib/docker/overlay2/c648667c1853eb869d0cce82e8e73cc00409d4cdeee6b7dffaa7c9424bf2398d/merged/opt/rustwide/target: no space left on device: unknown