[INFO] fetching crate rug-fft 0.1.1...
[INFO] testing rug-fft-0.1.1 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate rug-fft 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rug-fft 0.1.1 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-fft 0.1.1
[INFO] finished tweaking crates.io crate rug-fft 0.1.1
[INFO] tweaked toml for crates.io crate rug-fft 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rug-fft 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d99bd32e8a610e525442d93d91eb83d80a0d0e32d0d55e96dc91a326942f5412
[INFO] running `Command { std: "docker" "start" "-a" "d99bd32e8a610e525442d93d91eb83d80a0d0e32d0d55e96dc91a326942f5412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d99bd32e8a610e525442d93d91eb83d80a0d0e32d0d55e96dc91a326942f5412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99bd32e8a610e525442d93d91eb83d80a0d0e32d0d55e96dc91a326942f5412", kill_on_drop: false }`
[INFO] [stdout] d99bd32e8a610e525442d93d91eb83d80a0d0e32d0d55e96dc91a326942f5412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2608f9b5a52946f82a022c5452561ffd83903c937dd811d37d81006e0ab42e8e
[INFO] running `Command { std: "docker" "start" "-a" "2608f9b5a52946f82a022c5452561ffd83903c937dd811d37d81006e0ab42e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.0
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling az v1.0.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2608f9b5a52946f82a022c5452561ffd83903c937dd811d37d81006e0ab42e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2608f9b5a52946f82a022c5452561ffd83903c937dd811d37d81006e0ab42e8e", kill_on_drop: false }`
[INFO] [stdout] 2608f9b5a52946f82a022c5452561ffd83903c937dd811d37d81006e0ab42e8e