[INFO] cloning repository https://github.com/dawae54/fib-rug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dawae54/fib-rug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdawae54%2Ffib-rug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdawae54%2Ffib-rug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3881046929d34f05973b1bacca66fc4df08dad0e
[INFO] checking dawae54/fib-rug against try#54e27f559f23913c1d5afb1a0f0114e9e61b81b8 for pr-147589
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdawae54%2Ffib-rug" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dawae54/fib-rug
[INFO] finished tweaking git repo https://github.com/dawae54/fib-rug
[INFO] tweaked toml for git repo https://github.com/dawae54/fib-rug written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dawae54/fib-rug on toolchain 54e27f559f23913c1d5afb1a0f0114e9e61b81b8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dawae54/fib-rug 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" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d988d1599c90654ecd097c5dd807f105947116c8c8b36c010790008b35b081
[INFO] running `Command { std: "docker" "start" "-a" "33d988d1599c90654ecd097c5dd807f105947116c8c8b36c010790008b35b081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d988d1599c90654ecd097c5dd807f105947116c8c8b36c010790008b35b081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d988d1599c90654ecd097c5dd807f105947116c8c8b36c010790008b35b081", kill_on_drop: false }`
[INFO] [stdout] 33d988d1599c90654ecd097c5dd807f105947116c8c8b36c010790008b35b081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+54e27f559f23913c1d5afb1a0f0114e9e61b81b8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d88aa1ed7f28ac4a184af9a5d5dd493f6fe04bea92266cef68761e44d6baef
[INFO] running `Command { std: "docker" "start" "-a" "39d88aa1ed7f28ac4a184af9a5d5dd493f6fe04bea92266cef68761e44d6baef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "39d88aa1ed7f28ac4a184af9a5d5dd493f6fe04bea92266cef68761e44d6baef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d88aa1ed7f28ac4a184af9a5d5dd493f6fe04bea92266cef68761e44d6baef", kill_on_drop: false }`
[INFO] [stdout] 39d88aa1ed7f28ac4a184af9a5d5dd493f6fe04bea92266cef68761e44d6baef