[INFO] cloning repository https://github.com/davidivad96/google-hashcode-2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidivad96/google-hashcode-2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidivad96%2Fgoogle-hashcode-2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidivad96%2Fgoogle-hashcode-2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 349273569b3bf139160dd10c10150fd71ea7986b
[INFO] testing davidivad96/google-hashcode-2022 against beta-2022-05-20 for beta-1.62-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidivad96%2Fgoogle-hashcode-2022" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidivad96/google-hashcode-2022 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidivad96/google-hashcode-2022
[INFO] finished tweaking git repo https://github.com/davidivad96/google-hashcode-2022
[INFO] tweaked toml for git repo https://github.com/davidivad96/google-hashcode-2022 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/davidivad96/google-hashcode-2022 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1699bb4ad2c35976030f7c51eecf6fb84f54d0a691df992d0f3c3ee1ee85f5a7
[INFO] running `Command { std: "docker" "start" "-a" "1699bb4ad2c35976030f7c51eecf6fb84f54d0a691df992d0f3c3ee1ee85f5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1699bb4ad2c35976030f7c51eecf6fb84f54d0a691df992d0f3c3ee1ee85f5a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1699bb4ad2c35976030f7c51eecf6fb84f54d0a691df992d0f3c3ee1ee85f5a7", kill_on_drop: false }`
[INFO] [stdout] 1699bb4ad2c35976030f7c51eecf6fb84f54d0a691df992d0f3c3ee1ee85f5a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b0a99e9dd4730ed9dec40e25da8d5f32a80af890d7dbc1ff37bff2255ca72b0
[INFO] running `Command { std: "docker" "start" "-a" "2b0a99e9dd4730ed9dec40e25da8d5f32a80af890d7dbc1ff37bff2255ca72b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling solution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `score_solution`
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn score_solution(&self, solution: &Vec<String>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_random_solution`
[INFO] [stdout]   --> src/main.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn calculate_random_solution(&self) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.11s
[INFO] running `Command { std: "docker" "inspect" "2b0a99e9dd4730ed9dec40e25da8d5f32a80af890d7dbc1ff37bff2255ca72b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0a99e9dd4730ed9dec40e25da8d5f32a80af890d7dbc1ff37bff2255ca72b0", kill_on_drop: false }`
[INFO] [stdout] 2b0a99e9dd4730ed9dec40e25da8d5f32a80af890d7dbc1ff37bff2255ca72b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cfb545c3e86cec29a5038d973fe7bb25a529e3c6545221f4a774da76bb33662
[INFO] running `Command { std: "docker" "start" "-a" "2cfb545c3e86cec29a5038d973fe7bb25a529e3c6545221f4a774da76bb33662", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2cfb545c3e86cec29a5038d973fe7bb25a529e3c6545221f4a774da76bb33662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfb545c3e86cec29a5038d973fe7bb25a529e3c6545221f4a774da76bb33662", kill_on_drop: false }`
[INFO] [stdout] 2cfb545c3e86cec29a5038d973fe7bb25a529e3c6545221f4a774da76bb33662