[INFO] fetching crate mattr 1.0.0...
[INFO] checking mattr-1.0.0 against master#90384941aae4ea38de00e4702b50757e9b882a19 for pr-138340
[INFO] extracting crate mattr 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mattr 1.0.0 on toolchain 90384941aae4ea38de00e4702b50757e9b882a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mattr 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mattr 1.0.0
[INFO] tweaked toml for crates.io crate mattr 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate mattr 1.0.0 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" "+90384941aae4ea38de00e4702b50757e9b882a19" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+90384941aae4ea38de00e4702b50757e9b882a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81f1b9270dab6196f7cdc4ca9d4ef08902a587b80b941aa4adaee9c86293b4dd
[INFO] running `Command { std: "docker" "start" "-a" "81f1b9270dab6196f7cdc4ca9d4ef08902a587b80b941aa4adaee9c86293b4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f1b9270dab6196f7cdc4ca9d4ef08902a587b80b941aa4adaee9c86293b4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f1b9270dab6196f7cdc4ca9d4ef08902a587b80b941aa4adaee9c86293b4dd", kill_on_drop: false }`
[INFO] [stdout] 81f1b9270dab6196f7cdc4ca9d4ef08902a587b80b941aa4adaee9c86293b4dd


command failed: exit status: 1

Error response from daemon: mkdir /var/lib/docker/overlay2/cef69399c9c957e9000a2b37f61d90a657344fba2ce62afe079fb93a3558f912/merged: no space left on device