[INFO] fetching crate rug-fft 0.1.2...
[INFO] testing rug-fft-0.1.2 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rug-fft 0.1.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate rug-fft 0.1.2 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-fft 0.1.2
[INFO] finished tweaking crates.io crate rug-fft 0.1.2
[INFO] tweaked toml for crates.io crate rug-fft 0.1.2 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate crates.io crate rug-fft 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3062d90fca10482f308fc21c35c7f6e687575f8ee25187aeb3194d23a759d9a4
[INFO] running `Command { std: "docker" "start" "-a" "3062d90fca10482f308fc21c35c7f6e687575f8ee25187aeb3194d23a759d9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3062d90fca10482f308fc21c35c7f6e687575f8ee25187aeb3194d23a759d9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3062d90fca10482f308fc21c35c7f6e687575f8ee25187aeb3194d23a759d9a4", kill_on_drop: false }`
[INFO] [stdout] 3062d90fca10482f308fc21c35c7f6e687575f8ee25187aeb3194d23a759d9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 561e80e2aa34ed1d71e3870f09b59bc826d004becea7406e45078fa7883ba4eb
[INFO] running `Command { std: "docker" "start" "-a" "561e80e2aa34ed1d71e3870f09b59bc826d004becea7406e45078fa7883ba4eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.6
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling rug v1.13.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "561e80e2aa34ed1d71e3870f09b59bc826d004becea7406e45078fa7883ba4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561e80e2aa34ed1d71e3870f09b59bc826d004becea7406e45078fa7883ba4eb", kill_on_drop: false }`
[INFO] [stdout] 561e80e2aa34ed1d71e3870f09b59bc826d004becea7406e45078fa7883ba4eb