[INFO] cloning repository https://github.com/WCBROW01/factorial-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WCBROW01/factorial-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWCBROW01%2Ffactorial-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWCBROW01%2Ffactorial-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a9da0e0eeb9bd30f9d5e5ea7ced150cbbae4c6c
[INFO] testing WCBROW01/factorial-rs against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWCBROW01%2Ffactorial-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WCBROW01/factorial-rs
[INFO] finished tweaking git repo https://github.com/WCBROW01/factorial-rs
[INFO] tweaked toml for git repo https://github.com/WCBROW01/factorial-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WCBROW01/factorial-rs on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WCBROW01/factorial-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding az v1.3.0
[INFO] [stderr]       Adding gmp-mpfr-sys v1.7.1
[INFO] [stderr]     Updating libc v0.2.109 -> v0.2.186
[INFO] [stderr]       Adding libm v0.2.16
[INFO] [stderr]       Adding rug v1.30.0
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.61.2
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cce6146e50f377cebf189eb4f49344da3d37a9a2e580b01998aa210d37f2df6
[INFO] running `Command { std: "docker" "start" "-a" "8cce6146e50f377cebf189eb4f49344da3d37a9a2e580b01998aa210d37f2df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cce6146e50f377cebf189eb4f49344da3d37a9a2e580b01998aa210d37f2df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cce6146e50f377cebf189eb4f49344da3d37a9a2e580b01998aa210d37f2df6", kill_on_drop: false }`
[INFO] [stdout] 8cce6146e50f377cebf189eb4f49344da3d37a9a2e580b01998aa210d37f2df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8bacca86f6b7182e50a2c9299b9de49ea46d3aeb2525029710ab4b83b2c9a8e
[INFO] running `Command { std: "docker" "start" "-a" "d8bacca86f6b7182e50a2c9299b9de49ea46d3aeb2525029710ab4b83b2c9a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling rug v1.30.0
[INFO] [stderr]    Compiling az v1.3.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "d8bacca86f6b7182e50a2c9299b9de49ea46d3aeb2525029710ab4b83b2c9a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bacca86f6b7182e50a2c9299b9de49ea46d3aeb2525029710ab4b83b2c9a8e", kill_on_drop: false }`
[INFO] [stdout] d8bacca86f6b7182e50a2c9299b9de49ea46d3aeb2525029710ab4b83b2c9a8e