[INFO] fetching crate btrfs-diskformat 0.5.1...
[INFO] checking btrfs-diskformat-0.5.1 against master#0fb279be1d96464c69209053ef0f97ad63088cda for pr-143857
[INFO] extracting crate btrfs-diskformat 0.5.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate btrfs-diskformat 0.5.1
[INFO] finished tweaking crates.io crate btrfs-diskformat 0.5.1
[INFO] tweaked toml for crates.io crate btrfs-diskformat 0.5.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate btrfs-diskformat 0.5.1 on toolchain 0fb279be1d96464c69209053ef0f97ad63088cda
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate btrfs-diskformat 0.5.1 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" "+0fb279be1d96464c69209053ef0f97ad63088cda" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0fb279be1d96464c69209053ef0f97ad63088cda" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bd10dafcf10cb77d47fe9bf4549196fb167e72409b6d120382ad34fee8f61bc
[INFO] running `Command { std: "docker" "start" "-a" "6bd10dafcf10cb77d47fe9bf4549196fb167e72409b6d120382ad34fee8f61bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bd10dafcf10cb77d47fe9bf4549196fb167e72409b6d120382ad34fee8f61bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd10dafcf10cb77d47fe9bf4549196fb167e72409b6d120382ad34fee8f61bc", kill_on_drop: false }`
[INFO] [stdout] 6bd10dafcf10cb77d47fe9bf4549196fb167e72409b6d120382ad34fee8f61bc


command failed: exit status: 1

Error response from daemon: failed to create task for container: failed to start shim: mkdir /var/lib/containerd/io.containerd.runtime.v2.task/moby/6bd10dafcf10cb77d47fe9bf4549196fb167e72409b6d120382ad34fee8f61bc: no space left on device: unknown