[INFO] fetching crate NumRust 0.0.0...
[INFO] checking NumRust-0.0.0 against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-135899
[INFO] extracting crate NumRust 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate NumRust 0.0.0 on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate NumRust 0.0.0
[INFO] finished tweaking crates.io crate NumRust 0.0.0
[INFO] tweaked toml for crates.io crate NumRust 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate NumRust 0.0.0 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" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6475c868a6d27846ca172efb246699580b64b57a5b3744ef73949e850a31b38a" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3612f6c572c1c4faa28a371844db03569045d2863e506a234415b87d7f8ddbc2
[INFO] running `Command { std: "docker" "start" "-a" "3612f6c572c1c4faa28a371844db03569045d2863e506a234415b87d7f8ddbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3612f6c572c1c4faa28a371844db03569045d2863e506a234415b87d7f8ddbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3612f6c572c1c4faa28a371844db03569045d2863e506a234415b87d7f8ddbc2", kill_on_drop: false }`
[INFO] [stdout] 3612f6c572c1c4faa28a371844db03569045d2863e506a234415b87d7f8ddbc2


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/overlay2/68f0513735ede8dac71958437de426a8fcc3ac197816a8d51e95e23571004392/merged/opt/rustwide/target: no space left on device: unknown