[INFO] cloning repository https://github.com/experiment314159/tic_tac_toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/experiment314159/tic_tac_toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexperiment314159%2Ftic_tac_toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexperiment314159%2Ftic_tac_toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05d6a8c47eab9d0d5f6c9e46aed63d8747a0e717
[INFO] checking experiment314159/tic_tac_toe against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexperiment314159%2Ftic_tac_toe" "/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/experiment314159/tic_tac_toe
[INFO] finished tweaking git repo https://github.com/experiment314159/tic_tac_toe
[INFO] tweaked toml for git repo https://github.com/experiment314159/tic_tac_toe written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/experiment314159/tic_tac_toe on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/experiment314159/tic_tac_toe 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86468d3ce8682f56c20edb843a08e55c07482bcd0490839a203c2491b2f43e22
[INFO] running `Command { std: "docker" "start" "-a" "86468d3ce8682f56c20edb843a08e55c07482bcd0490839a203c2491b2f43e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86468d3ce8682f56c20edb843a08e55c07482bcd0490839a203c2491b2f43e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86468d3ce8682f56c20edb843a08e55c07482bcd0490839a203c2491b2f43e22", kill_on_drop: false }`
[INFO] [stdout] 86468d3ce8682f56c20edb843a08e55c07482bcd0490839a203c2491b2f43e22
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9143377645c3f8a9ef1bdf4e12231ee43991a827905914310448f206cd3d2929
[INFO] running `Command { std: "docker" "start" "-a" "9143377645c3f8a9ef1bdf4e12231ee43991a827905914310448f206cd3d2929", kill_on_drop: false }`
[INFO] [stderr]     Checking tic_tac_toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `find_best_move` is never used
[INFO] [stdout]    --> src/tic_tac_toe.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn find_best_move(pos: &GamePos, player: Player) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_move` is never used
[INFO] [stdout]    --> src/tic_tac_toe.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | pub fn find_best_move(pos: &GamePos, player: Player) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9143377645c3f8a9ef1bdf4e12231ee43991a827905914310448f206cd3d2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9143377645c3f8a9ef1bdf4e12231ee43991a827905914310448f206cd3d2929", kill_on_drop: false }`
[INFO] [stdout] 9143377645c3f8a9ef1bdf4e12231ee43991a827905914310448f206cd3d2929