[INFO] fetching crate polynomial-over-finite-prime-field 0.4.3...
[INFO] checking polynomial-over-finite-prime-field-0.4.3 against master#406e03fd02faf5cc8409a8b6b04c26990d6227e6 for pr-101437
[INFO] extracting crate polynomial-over-finite-prime-field 0.4.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate polynomial-over-finite-prime-field 0.4.3 on toolchain 406e03fd02faf5cc8409a8b6b04c26990d6227e6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded modulo-n-tools v0.2.0
[INFO] [stderr]   Downloaded ring-algorithm v0.6.0
[INFO] [stderr]   Downloaded rug v1.17.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5bfba0ab141f17b36d70b225d93bfe74ff668a0e49f88e56cdad3fd77c16b04
[INFO] running `Command { std: "docker" "start" "-a" "d5bfba0ab141f17b36d70b225d93bfe74ff668a0e49f88e56cdad3fd77c16b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5bfba0ab141f17b36d70b225d93bfe74ff668a0e49f88e56cdad3fd77c16b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bfba0ab141f17b36d70b225d93bfe74ff668a0e49f88e56cdad3fd77c16b04", kill_on_drop: false }`
[INFO] [stdout] d5bfba0ab141f17b36d70b225d93bfe74ff668a0e49f88e56cdad3fd77c16b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1431a5b6b0158256977ad9e2a32e27b14d18f5059290b1852062ef4e59e1a6f5
[INFO] running `Command { std: "docker" "start" "-a" "1431a5b6b0158256977ad9e2a32e27b14d18f5059290b1852062ef4e59e1a6f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.10
[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" "1431a5b6b0158256977ad9e2a32e27b14d18f5059290b1852062ef4e59e1a6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1431a5b6b0158256977ad9e2a32e27b14d18f5059290b1852062ef4e59e1a6f5", kill_on_drop: false }`
[INFO] [stdout] 1431a5b6b0158256977ad9e2a32e27b14d18f5059290b1852062ef4e59e1a6f5