[INFO] fetching crate polynomial-over-finite-prime-field 0.4.3...
[INFO] checking polynomial-over-finite-prime-field-0.4.3 against master#7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e for pr-102091
[INFO] extracting crate polynomial-over-finite-prime-field 0.4.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate polynomial-over-finite-prime-field 0.4.3 on toolchain 7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-over-finite-prime-field 0.4.3
[INFO] finished tweaking crates.io crate polynomial-over-finite-prime-field 0.4.3
[INFO] tweaked toml for crates.io crate polynomial-over-finite-prime-field 0.4.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modulo-n-tools v0.2.0
[INFO] [stderr]   Downloaded ring-algorithm v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c669e902a7eecd5c359ebad72b1344bbab3f5c38f4e2599bc280ec152325494
[INFO] running `Command { std: "docker" "start" "-a" "9c669e902a7eecd5c359ebad72b1344bbab3f5c38f4e2599bc280ec152325494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c669e902a7eecd5c359ebad72b1344bbab3f5c38f4e2599bc280ec152325494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c669e902a7eecd5c359ebad72b1344bbab3f5c38f4e2599bc280ec152325494", kill_on_drop: false }`
[INFO] [stdout] 9c669e902a7eecd5c359ebad72b1344bbab3f5c38f4e2599bc280ec152325494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba43af0fe73f4762249891666dc66976a7ca9f979e1f977ecf280efdd571b721
[INFO] running `Command { std: "docker" "start" "-a" "ba43af0fe73f4762249891666dc66976a7ca9f979e1f977ecf280efdd571b721", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.10
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.17.0
[INFO] [stderr]     Checking modulo-n-tools v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ba43af0fe73f4762249891666dc66976a7ca9f979e1f977ecf280efdd571b721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba43af0fe73f4762249891666dc66976a7ca9f979e1f977ecf280efdd571b721", kill_on_drop: false }`
[INFO] [stdout] ba43af0fe73f4762249891666dc66976a7ca9f979e1f977ecf280efdd571b721