[INFO] cloning repository https://github.com/dmyTRUEk/bulls_and_cows_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmyTRUEk/bulls_and_cows_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Fbulls_and_cows_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Fbulls_and_cows_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb6ee1a1975ccecb33a146d045306805b9575d50
[INFO] testing dmyTRUEk/bulls_and_cows_rs against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdmyTRUEk%2Fbulls_and_cows_rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dmyTRUEk/bulls_and_cows_rs on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dmyTRUEk/bulls_and_cows_rs
[INFO] finished tweaking git repo https://github.com/dmyTRUEk/bulls_and_cows_rs
[INFO] tweaked toml for git repo https://github.com/dmyTRUEk/bulls_and_cows_rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/dmyTRUEk/bulls_and_cows_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c0ca18e9962d07f6ab0f1071d12b1b8112cb9a6767a3ab0ac9dc7704bba6f70
[INFO] running `Command { std: "docker" "start" "-a" "8c0ca18e9962d07f6ab0f1071d12b1b8112cb9a6767a3ab0ac9dc7704bba6f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c0ca18e9962d07f6ab0f1071d12b1b8112cb9a6767a3ab0ac9dc7704bba6f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c0ca18e9962d07f6ab0f1071d12b1b8112cb9a6767a3ab0ac9dc7704bba6f70", kill_on_drop: false }`
[INFO] [stdout] 8c0ca18e9962d07f6ab0f1071d12b1b8112cb9a6767a3ab0ac9dc7704bba6f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca113974cc97fe616bcc525eee76a33c1b274f96cc64aea57414502733f87572
[INFO] running `Command { std: "docker" "start" "-a" "ca113974cc97fe616bcc525eee76a33c1b274f96cc64aea57414502733f87572", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bulls_and_cows v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `sum` is never used
[INFO] [stdout]   --> src/main.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |         pub const fn sum(self) -> i8 { self.bulls + self.cows }
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "ca113974cc97fe616bcc525eee76a33c1b274f96cc64aea57414502733f87572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca113974cc97fe616bcc525eee76a33c1b274f96cc64aea57414502733f87572", kill_on_drop: false }`
[INFO] [stdout] ca113974cc97fe616bcc525eee76a33c1b274f96cc64aea57414502733f87572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57dfc317143a9f638ee35547ee722de53796a584e243cb2f49fcea04d07de9a7
[INFO] running `Command { std: "docker" "start" "-a" "57dfc317143a9f638ee35547ee722de53796a584e243cb2f49fcea04d07de9a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bulls_and_cows v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `sum` is never used
[INFO] [stdout]   --> src/main.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |         pub const fn sum(self) -> i8 { self.bulls + self.cows }
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "57dfc317143a9f638ee35547ee722de53796a584e243cb2f49fcea04d07de9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57dfc317143a9f638ee35547ee722de53796a584e243cb2f49fcea04d07de9a7", kill_on_drop: false }`
[INFO] [stdout] 57dfc317143a9f638ee35547ee722de53796a584e243cb2f49fcea04d07de9a7