[INFO] fetching crate widget 0.0.0...
[INFO] checking widget-0.0.0 against master#aa067fb984d36462548bb785da221bfaf38253f0 for pr-122470
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate widget 0.0.0 on toolchain aa067fb984d36462548bb785da221bfaf38253f0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate widget 0.0.0
[INFO] finished tweaking crates.io crate widget 0.0.0
[INFO] tweaked toml for crates.io crate widget 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa067fb984d36462548bb785da221bfaf38253f0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/bfba2973f2f6e72200a533389195852c2901c63717b976b7be4addd107620251/.tmp-config.v2.json3544691535: no space left on device
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking widget-0.0.0 against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] checking widget-0.0.0 against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] checking widget-0.0.0 against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] checking widget-0.0.0 against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] checking widget-0.0.0 against try#707d6562f55b55a7aab4ab3a904997116b358314 for pr-122470
[INFO] extracting crate widget 0.0.0 into /workspace/builds/worker-4-tc2/source
[ERROR] this task or one of its parent failed!
[ERROR] unable to download widget version 0.0.0
[ERROR] caused by: No space left on device (os error 28)
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.