[INFO] fetching crate rug-maths 0.2.5...
[INFO] checking rug-maths-0.2.5 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate rug-maths 0.2.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rug-maths 0.2.5 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug-maths 0.2.5
[INFO] finished tweaking crates.io crate rug-maths 0.2.5
[INFO] tweaked toml for crates.io crate rug-maths 0.2.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d1cd3fab5acc31df6e753ea30229c5a48ada072cfb803040dd368132940842c
[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" "0d1cd3fab5acc31df6e753ea30229c5a48ada072cfb803040dd368132940842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1cd3fab5acc31df6e753ea30229c5a48ada072cfb803040dd368132940842c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1cd3fab5acc31df6e753ea30229c5a48ada072cfb803040dd368132940842c", kill_on_drop: false }`
[INFO] [stdout] 0d1cd3fab5acc31df6e753ea30229c5a48ada072cfb803040dd368132940842c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13e238928f52a3a971749fb9e32b81211118a2d6138d1f0e721e94dd616ff9e5
[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" "13e238928f52a3a971749fb9e32b81211118a2d6138d1f0e721e94dd616ff9e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking maths-traits v0.2.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "13e238928f52a3a971749fb9e32b81211118a2d6138d1f0e721e94dd616ff9e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e238928f52a3a971749fb9e32b81211118a2d6138d1f0e721e94dd616ff9e5", kill_on_drop: false }`
[INFO] [stdout] 13e238928f52a3a971749fb9e32b81211118a2d6138d1f0e721e94dd616ff9e5