[INFO] fetching crate rug-polynomial 0.2.6...
[INFO] testing rug-polynomial-0.2.6 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate rug-polynomial 0.2.6 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rug-polynomial 0.2.6 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3cdaf5ac63409278a225556d195c08e06c4ea487766a6c4cb8f743886cb339f
[INFO] running `Command { std: "docker" "start" "-a" "a3cdaf5ac63409278a225556d195c08e06c4ea487766a6c4cb8f743886cb339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3cdaf5ac63409278a225556d195c08e06c4ea487766a6c4cb8f743886cb339f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3cdaf5ac63409278a225556d195c08e06c4ea487766a6c4cb8f743886cb339f", kill_on_drop: false }`
[INFO] [stdout] a3cdaf5ac63409278a225556d195c08e06c4ea487766a6c4cb8f743886cb339f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1e05c995ef0472cf7817c4edfcba8cfe34e58b4378ca5a97882f613caa12fe7
[INFO] running `Command { std: "docker" "start" "-a" "d1e05c995ef0472cf7817c4edfcba8cfe34e58b4378ca5a97882f613caa12fe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling rug v1.28.1
[INFO] [stderr]    Compiling az v1.3.0
[INFO] [stderr]    Compiling flint-sys v0.7.3
[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" "d1e05c995ef0472cf7817c4edfcba8cfe34e58b4378ca5a97882f613caa12fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e05c995ef0472cf7817c4edfcba8cfe34e58b4378ca5a97882f613caa12fe7", kill_on_drop: false }`
[INFO] [stdout] d1e05c995ef0472cf7817c4edfcba8cfe34e58b4378ca5a97882f613caa12fe7