[INFO] fetching crate rug-maths 0.2.5...
[INFO] testing rug-maths-0.2.5 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rug-maths 0.2.5 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate rug-maths 0.2.5 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-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-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 497e7129b37fe3859f1fb340d212e9eba902044528d31f0550a2c10844c07e6e
[INFO] running `Command { std: "docker" "start" "-a" "497e7129b37fe3859f1fb340d212e9eba902044528d31f0550a2c10844c07e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "497e7129b37fe3859f1fb340d212e9eba902044528d31f0550a2c10844c07e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "497e7129b37fe3859f1fb340d212e9eba902044528d31f0550a2c10844c07e6e", kill_on_drop: false }`
[INFO] [stdout] 497e7129b37fe3859f1fb340d212e9eba902044528d31f0550a2c10844c07e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] d622ba63be346ac0384cf2a28721743a85f858679563858e38cc114111c4a153
[INFO] running `Command { std: "docker" "start" "-a" "d622ba63be346ac0384cf2a28721743a85f858679563858e38cc114111c4a153", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling rug v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling maths-traits v0.2.1
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d622ba63be346ac0384cf2a28721743a85f858679563858e38cc114111c4a153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d622ba63be346ac0384cf2a28721743a85f858679563858e38cc114111c4a153", kill_on_drop: false }`
[INFO] [stdout] d622ba63be346ac0384cf2a28721743a85f858679563858e38cc114111c4a153