[INFO] fetching crate rust_mini_grep 0.1.0...
[INFO] checking rust_mini_grep-0.1.0 against master#4ecd70ddd1039a3954056c1071e40278048476fa for pr-137633
[INFO] extracting crate rust_mini_grep 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rust_mini_grep 0.1.0 on toolchain 4ecd70ddd1039a3954056c1071e40278048476fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust_mini_grep 0.1.0
[INFO] finished tweaking crates.io crate rust_mini_grep 0.1.0
[INFO] tweaked toml for crates.io crate rust_mini_grep 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust_mini_grep 0.1.0 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" "+4ecd70ddd1039a3954056c1071e40278048476fa" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+4ecd70ddd1039a3954056c1071e40278048476fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d44cc53e92362c2cc4b64f4219487137555de7776b9d8b90d9e6e568ccc5ffd
[INFO] running `Command { std: "docker" "start" "-a" "7d44cc53e92362c2cc4b64f4219487137555de7776b9d8b90d9e6e568ccc5ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d44cc53e92362c2cc4b64f4219487137555de7776b9d8b90d9e6e568ccc5ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d44cc53e92362c2cc4b64f4219487137555de7776b9d8b90d9e6e568ccc5ffd", kill_on_drop: false }`
[INFO] [stdout] 7d44cc53e92362c2cc4b64f4219487137555de7776b9d8b90d9e6e568ccc5ffd


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/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/ff6701bacadbaeeec023bc78ebf7242c378d3cfc771abc58230d65f10351dabd/merged/opt/rustwide/cargo-home: no space left on device: unknown