[INFO] fetching crate megagrep 0.1.0...
[INFO] checking megagrep-0.1.0 against master#068609ce766e55d2e7371cd2a86143a6d7e8e2e4 for pr-138952
[INFO] extracting crate megagrep 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate megagrep 0.1.0 on toolchain 068609ce766e55d2e7371cd2a86143a6d7e8e2e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate megagrep 0.1.0
[INFO] finished tweaking crates.io crate megagrep 0.1.0
[INFO] tweaked toml for crates.io crate megagrep 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate megagrep 0.1.0 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" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4fa4c64fe6d2b16b8c6f79eb44660e6474a93475cfb7eb145a215d6006a45ae
[INFO] running `Command { std: "docker" "start" "-a" "f4fa4c64fe6d2b16b8c6f79eb44660e6474a93475cfb7eb145a215d6006a45ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fa4c64fe6d2b16b8c6f79eb44660e6474a93475cfb7eb145a215d6006a45ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fa4c64fe6d2b16b8c6f79eb44660e6474a93475cfb7eb145a215d6006a45ae", kill_on_drop: false }`
[INFO] [stdout] f4fa4c64fe6d2b16b8c6f79eb44660e6474a93475cfb7eb145a215d6006a45ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+068609ce766e55d2e7371cd2a86143a6d7e8e2e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ecca2f410984652c9ce378d352b47c349a12f34256e0c3a89de012e012ee53c
[INFO] running `Command { std: "docker" "start" "-a" "5ecca2f410984652c9ce378d352b47c349a12f34256e0c3a89de012e012ee53c", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/5ecca2f410984652c9ce378d352b47c349a12f34256e0c3a89de012e012ee53c/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "5ecca2f410984652c9ce378d352b47c349a12f34256e0c3a89de012e012ee53c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecca2f410984652c9ce378d352b47c349a12f34256e0c3a89de012e012ee53c", kill_on_drop: false }`
[INFO] [stdout] 5ecca2f410984652c9ce378d352b47c349a12f34256e0c3a89de012e012ee53c