[INFO] fetching crate rug 1.18.0...
[INFO] building rug-1.18.0 against master#657eefe2dcf18f76ac67a39945810128e101178c for pr-105577
[INFO] extracting crate rug 1.18.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rug 1.18.0 on toolchain 657eefe2dcf18f76ac67a39945810128e101178c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rug 1.18.0
[INFO] finished tweaking crates.io crate rug 1.18.0
[INFO] tweaked toml for crates.io crate rug 1.18.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 993a7f4542b2f073c36b0444c103820da30c5df4002514c0b9bd286e060d0cd6
[INFO] running `Command { std: "docker" "start" "-a" "993a7f4542b2f073c36b0444c103820da30c5df4002514c0b9bd286e060d0cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993a7f4542b2f073c36b0444c103820da30c5df4002514c0b9bd286e060d0cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993a7f4542b2f073c36b0444c103820da30c5df4002514c0b9bd286e060d0cd6", kill_on_drop: false }`
[INFO] [stdout] 993a7f4542b2f073c36b0444c103820da30c5df4002514c0b9bd286e060d0cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+657eefe2dcf18f76ac67a39945810128e101178c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cf6177fdcbe6940db35b9b6a6ceadee4756d12b479e61d535482c7f44aed641
[INFO] running `Command { std: "docker" "start" "-a" "3cf6177fdcbe6940db35b9b6a6ceadee4756d12b479e61d535482c7f44aed641", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.12
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.18.0 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3cf6177fdcbe6940db35b9b6a6ceadee4756d12b479e61d535482c7f44aed641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf6177fdcbe6940db35b9b6a6ceadee4756d12b479e61d535482c7f44aed641", kill_on_drop: false }`
[INFO] [stdout] 3cf6177fdcbe6940db35b9b6a6ceadee4756d12b479e61d535482c7f44aed641