[INFO] fetching crate postcss-selector-parser 0.0.1...
[INFO] building postcss-selector-parser-0.0.1 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate postcss-selector-parser 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate postcss-selector-parser 0.0.1 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate postcss-selector-parser 0.0.1
[INFO] finished tweaking crates.io crate postcss-selector-parser 0.0.1
[INFO] tweaked toml for crates.io crate postcss-selector-parser 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8118e3254009c7152de6b2d24671c2ee1c98cfabd18cc5023ad1809e82c765ae
[INFO] running `Command { std: "docker" "start" "-a" "8118e3254009c7152de6b2d24671c2ee1c98cfabd18cc5023ad1809e82c765ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8118e3254009c7152de6b2d24671c2ee1c98cfabd18cc5023ad1809e82c765ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8118e3254009c7152de6b2d24671c2ee1c98cfabd18cc5023ad1809e82c765ae", kill_on_drop: false }`
[INFO] [stdout] 8118e3254009c7152de6b2d24671c2ee1c98cfabd18cc5023ad1809e82c765ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dff515289eabd141120ffab06c9a0ee92f0c9882176d397f30f57a37d094927
[INFO] running `Command { std: "docker" "start" "-a" "9dff515289eabd141120ffab06c9a0ee92f0c9882176d397f30f57a37d094927", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9dff515289eabd141120ffab06c9a0ee92f0c9882176d397f30f57a37d094927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dff515289eabd141120ffab06c9a0ee92f0c9882176d397f30f57a37d094927", kill_on_drop: false }`
[INFO] [stdout] 9dff515289eabd141120ffab06c9a0ee92f0c9882176d397f30f57a37d094927