[INFO] fetching crate rug-polynomial 0.2.6...
[INFO] testing rug-polynomial-0.2.6 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate rug-polynomial 0.2.6 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rug-polynomial 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rug-polynomial 0.2.6
[INFO] tweaked toml for crates.io crate rug-polynomial 0.2.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rug-polynomial 0.2.6 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rug-polynomial 0.2.6 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded rug-fft v0.1.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.34
[INFO] [stderr]   Downloaded zerocopy v0.8.34
[INFO] [stderr]   Downloaded rug v1.28.1
[INFO] [stderr]   Downloaded flint-sys v0.7.3
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f420690f30cb3e3d25280a7ddccc413315c41ef6e1325d223308b61fe81112e7
[INFO] running `Command { std: "docker" "start" "-a" "f420690f30cb3e3d25280a7ddccc413315c41ef6e1325d223308b61fe81112e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f420690f30cb3e3d25280a7ddccc413315c41ef6e1325d223308b61fe81112e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f420690f30cb3e3d25280a7ddccc413315c41ef6e1325d223308b61fe81112e7", kill_on_drop: false }`
[INFO] [stdout] f420690f30cb3e3d25280a7ddccc413315c41ef6e1325d223308b61fe81112e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f7c7dd060962a07f1d8bfd33d428389ca79b7e7a77022458b148338dba4a70
[INFO] running `Command { std: "docker" "start" "-a" "64f7c7dd060962a07f1d8bfd33d428389ca79b7e7a77022458b148338dba4a70", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling rug v1.28.1
[INFO] [stderr]    Compiling flint-sys v0.7.3
[INFO] [stderr]    Compiling az v1.3.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rug-fft v0.1.2
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "64f7c7dd060962a07f1d8bfd33d428389ca79b7e7a77022458b148338dba4a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f7c7dd060962a07f1d8bfd33d428389ca79b7e7a77022458b148338dba4a70", kill_on_drop: false }`
[INFO] [stdout] 64f7c7dd060962a07f1d8bfd33d428389ca79b7e7a77022458b148338dba4a70