[INFO] cloning repository https://github.com/softprops/tiny-star-fields
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softprops/tiny-star-fields" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Ftiny-star-fields", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Ftiny-star-fields'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b276cb462f8c83d101514fed9d8192b15ff69d2
[INFO] checking softprops/tiny-star-fields against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftprops%2Ftiny-star-fields" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/softprops/tiny-star-fields
[INFO] finished tweaking git repo https://github.com/softprops/tiny-star-fields
[INFO] tweaked toml for git repo https://github.com/softprops/tiny-star-fields written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/softprops/tiny-star-fields on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/softprops/tiny-star-fields 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "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-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 031aa358a8a2a0ecb46ce854b5bc619b97f807dd3d60e84190c1212341ab1e15
[INFO] running `Command { std: "docker" "start" "-a" "031aa358a8a2a0ecb46ce854b5bc619b97f807dd3d60e84190c1212341ab1e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "031aa358a8a2a0ecb46ce854b5bc619b97f807dd3d60e84190c1212341ab1e15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "031aa358a8a2a0ecb46ce854b5bc619b97f807dd3d60e84190c1212341ab1e15", kill_on_drop: false }`
[INFO] [stdout] 031aa358a8a2a0ecb46ce854b5bc619b97f807dd3d60e84190c1212341ab1e15
[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_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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b55ffe37026d250471e27744c6e86cff0630473d426541c9f86142dedabe501f
[INFO] running `Command { std: "docker" "start" "-a" "b55ffe37026d250471e27744c6e86cff0630473d426541c9f86142dedabe501f", 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/overlay2/58ce3e3f7ac471efabd89333f74b3bfa6a7a2a7948dceb475bac958284ae962e/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "b55ffe37026d250471e27744c6e86cff0630473d426541c9f86142dedabe501f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55ffe37026d250471e27744c6e86cff0630473d426541c9f86142dedabe501f", kill_on_drop: false }`
[INFO] [stdout] b55ffe37026d250471e27744c6e86cff0630473d426541c9f86142dedabe501f