[INFO] fetching crate exhaustive 0.2.2...
[INFO] checking exhaustive-0.2.2 against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] extracting crate exhaustive 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate exhaustive 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate exhaustive 0.2.2
[INFO] tweaked toml for crates.io crate exhaustive 0.2.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate exhaustive 0.2.2 on toolchain 9748d87dc70a9a6725c5dbd76ce29d04752b4f90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "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" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "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 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exhaustive_macros v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71089f62df8aed4c6f193fa83f8f9a5bc68adb081f39a53db8040abe9ec37239
[INFO] running `Command { std: "docker" "start" "-a" "71089f62df8aed4c6f193fa83f8f9a5bc68adb081f39a53db8040abe9ec37239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71089f62df8aed4c6f193fa83f8f9a5bc68adb081f39a53db8040abe9ec37239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71089f62df8aed4c6f193fa83f8f9a5bc68adb081f39a53db8040abe9ec37239", kill_on_drop: false }`
[INFO] [stdout] 71089f62df8aed4c6f193fa83f8f9a5bc68adb081f39a53db8040abe9ec37239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0dc71fa44012d43f21987018dc3924dbac9b8ab331da91a43c92661945c801
[INFO] running `Command { std: "docker" "start" "-a" "2b0dc71fa44012d43f21987018dc3924dbac9b8ab331da91a43c92661945c801", 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": create mountpoint for /opt/rustwide/cargo-home mount: mkdirat /var/lib/docker/overlay2/ab3f60b97dbca7326497909c2cf19d301053b161aa6c18288250585160ff692d/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "2b0dc71fa44012d43f21987018dc3924dbac9b8ab331da91a43c92661945c801", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0dc71fa44012d43f21987018dc3924dbac9b8ab331da91a43c92661945c801", kill_on_drop: false }`
[INFO] [stdout] 2b0dc71fa44012d43f21987018dc3924dbac9b8ab331da91a43c92661945c801