[INFO] fetching crate rug-polynomial 0.1.1...
[INFO] checking rug-polynomial-0.1.1 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate rug-polynomial 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rug-polynomial 0.1.1 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-polynomial 0.1.1
[INFO] finished tweaking crates.io crate rug-polynomial 0.1.1
[INFO] tweaked toml for crates.io crate rug-polynomial 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate rug-polynomial 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug-fft v0.1.0
[INFO] [stderr]   Downloaded flint-sys v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3b7566e19b5845d43561997d58a04c097f377771da424beae06df8a91b00e12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3b7566e19b5845d43561997d58a04c097f377771da424beae06df8a91b00e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3b7566e19b5845d43561997d58a04c097f377771da424beae06df8a91b00e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b7566e19b5845d43561997d58a04c097f377771da424beae06df8a91b00e12", kill_on_drop: false }`
[INFO] [stdout] c3b7566e19b5845d43561997d58a04c097f377771da424beae06df8a91b00e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09975b93916a48b23425bd971ec11cb80e36381bf96189784b95a02b6ed96856
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09975b93916a48b23425bd971ec11cb80e36381bf96189784b95a02b6ed96856", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling flint-sys v0.1.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "09975b93916a48b23425bd971ec11cb80e36381bf96189784b95a02b6ed96856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09975b93916a48b23425bd971ec11cb80e36381bf96189784b95a02b6ed96856", kill_on_drop: false }`
[INFO] [stdout] 09975b93916a48b23425bd971ec11cb80e36381bf96189784b95a02b6ed96856