[INFO] cloning repository https://github.com/mattdamon108/practice-rust-greprs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattdamon108/practice-rust-greprs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattdamon108%2Fpractice-rust-greprs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattdamon108%2Fpractice-rust-greprs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c0225366480024d0d5c393cce46e7671cfe2a50
[INFO] checking mattdamon108/practice-rust-greprs against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattdamon108%2Fpractice-rust-greprs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattdamon108/practice-rust-greprs on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattdamon108/practice-rust-greprs
[INFO] finished tweaking git repo https://github.com/mattdamon108/practice-rust-greprs
[INFO] tweaked toml for git repo https://github.com/mattdamon108/practice-rust-greprs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mattdamon108/practice-rust-greprs 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5beab41e247d3c4ee0decc961eb0a7527dcd88d5b43f37e499ff31305d84f99d
[INFO] running `Command { std: "docker" "start" "-a" "5beab41e247d3c4ee0decc961eb0a7527dcd88d5b43f37e499ff31305d84f99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5beab41e247d3c4ee0decc961eb0a7527dcd88d5b43f37e499ff31305d84f99d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5beab41e247d3c4ee0decc961eb0a7527dcd88d5b43f37e499ff31305d84f99d", kill_on_drop: false }`
[INFO] [stdout] 5beab41e247d3c4ee0decc961eb0a7527dcd88d5b43f37e499ff31305d84f99d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f03fed9a46abe0c20a07f8c06a02affae3a1435551a82014600baff0d9d67a9
[INFO] running `Command { std: "docker" "start" "-a" "3f03fed9a46abe0c20a07f8c06a02affae3a1435551a82014600baff0d9d67a9", 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/builds/worker-7-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/cf35aa043ce8b566c35b070c5faa90e08f91d07dcdbcf1d377bc4283bade669f/merged/opt/rustwide/target: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "3f03fed9a46abe0c20a07f8c06a02affae3a1435551a82014600baff0d9d67a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f03fed9a46abe0c20a07f8c06a02affae3a1435551a82014600baff0d9d67a9", kill_on_drop: false }`
[INFO] [stdout] 3f03fed9a46abe0c20a07f8c06a02affae3a1435551a82014600baff0d9d67a9