[INFO] fetching crate your_middleware_crate_name 0.1.3...
[INFO] checking your_middleware_crate_name-0.1.3 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate your_middleware_crate_name 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate your_middleware_crate_name 0.1.3 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate your_middleware_crate_name 0.1.3
[INFO] finished tweaking crates.io crate your_middleware_crate_name 0.1.3
[INFO] tweaked toml for crates.io crate your_middleware_crate_name 0.1.3 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" "+336209eef13882bd1e211b24779584cb7ef911eb" "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 160 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b13e2b773c9508032c9a4b68a66801d479d3216d5902bc35bacc00ce5c93e69a
[INFO] running `Command { std: "docker" "start" "-a" "b13e2b773c9508032c9a4b68a66801d479d3216d5902bc35bacc00ce5c93e69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b13e2b773c9508032c9a4b68a66801d479d3216d5902bc35bacc00ce5c93e69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b13e2b773c9508032c9a4b68a66801d479d3216d5902bc35bacc00ce5c93e69a", kill_on_drop: false }`
[INFO] [stdout] b13e2b773c9508032c9a4b68a66801d479d3216d5902bc35bacc00ce5c93e69a
[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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43269c0756ec8741bd71d0308bddb9db1948a85fd8e861b5bc1175df33331667
[INFO] running `Command { std: "docker" "start" "-a" "43269c0756ec8741bd71d0308bddb9db1948a85fd8e861b5bc1175df33331667", kill_on_drop: false }`
[INFO] [stderr] 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/overlay2/41e03cb3374f5c3547baea5ce881b361b06a7374da6e30a4976f67b2b2c31227/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "43269c0756ec8741bd71d0308bddb9db1948a85fd8e861b5bc1175df33331667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43269c0756ec8741bd71d0308bddb9db1948a85fd8e861b5bc1175df33331667", kill_on_drop: false }`
[INFO] [stdout] 43269c0756ec8741bd71d0308bddb9db1948a85fd8e861b5bc1175df33331667