[INFO] fetching crate rug-polynomial 0.2.6...
[INFO] testing rug-polynomial-0.2.6 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate rug-polynomial 0.2.6 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rug-polynomial 0.2.6 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d
[INFO] running `Command { std: "docker" "start" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libc v0.2.180
[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 proc-macro2 v1.0.106
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d", kill_on_drop: false }`
[INFO] [stdout] 495f2e8076221d7d1d9c8fa3a5d6a9790b87964d3c2de37f87016a158b1b8c0d
