[INFO] fetching crate async_fn_traits 0.1.1...
[INFO] checking async_fn_traits-0.1.1 against master#4455c8937007f3cc3c078375a335d86dbab391ce for pr-140956
[INFO] extracting crate async_fn_traits 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate async_fn_traits 0.1.1
[INFO] finished tweaking crates.io crate async_fn_traits 0.1.1
[INFO] tweaked toml for crates.io crate async_fn_traits 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async_fn_traits 0.1.1 on toolchain 4455c8937007f3cc3c078375a335d86dbab391ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4455c8937007f3cc3c078375a335d86dbab391ce" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4455c8937007f3cc3c078375a335d86dbab391ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a5f8e72b6caa4f132f0839ad9a93ddbbd89e14ee7f98f23b41d394c3aecdca2
[INFO] running `Command { std: "docker" "start" "-a" "4a5f8e72b6caa4f132f0839ad9a93ddbbd89e14ee7f98f23b41d394c3aecdca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a5f8e72b6caa4f132f0839ad9a93ddbbd89e14ee7f98f23b41d394c3aecdca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5f8e72b6caa4f132f0839ad9a93ddbbd89e14ee7f98f23b41d394c3aecdca2", kill_on_drop: false }`
[INFO] [stdout] 4a5f8e72b6caa4f132f0839ad9a93ddbbd89e14ee7f98f23b41d394c3aecdca2


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/rustup-home" to rootfs at "/opt/rustwide/rustup-home": create mountpoint for /opt/rustwide/rustup-home mount: mkdirat /var/lib/docker/overlay2/60483269cec1d4935e2d7f56a1d5cd1d58e5361e597e7a6c710c12fe1e620e6f/merged/opt/rustwide/rustup-home: no space left on device: unknown