[INFO] cloning repository https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frclayton-the-terrible%2Fsolve-tic-tac-toe-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frclayton-the-terrible%2Fsolve-tic-tac-toe-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11b4109325bf7d72f95597bc1a1510d989caf7f1
[INFO] testing rclayton-the-terrible/solve-tic-tac-toe-rust against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frclayton-the-terrible%2Fsolve-tic-tac-toe-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust
[INFO] finished tweaking git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust
[INFO] tweaked toml for git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rclayton-the-terrible/solve-tic-tac-toe-rust 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" "+beta-2025-10-28" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e0e35969907ba9f943c7b9c493ee062e903be8c2174925ea35fc1f9ed3750b
[INFO] running `Command { std: "docker" "start" "-a" "40e0e35969907ba9f943c7b9c493ee062e903be8c2174925ea35fc1f9ed3750b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e0e35969907ba9f943c7b9c493ee062e903be8c2174925ea35fc1f9ed3750b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e0e35969907ba9f943c7b9c493ee062e903be8c2174925ea35fc1f9ed3750b", kill_on_drop: false }`
[INFO] [stdout] 40e0e35969907ba9f943c7b9c493ee062e903be8c2174925ea35fc1f9ed3750b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a79445f4f36c64e20f76c984fbff5a61b0895748afb42d0bb6c92aea2717178
[INFO] running `Command { std: "docker" "start" "-a" "3a79445f4f36c64e20f76c984fbff5a61b0895748afb42d0bb6c92aea2717178", kill_on_drop: false }`
[INFO] [stderr]    Compiling solve-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solve-tic-tac-toe` (bin "solve-tic-tac-toe") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3a79445f4f36c64e20f76c984fbff5a61b0895748afb42d0bb6c92aea2717178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a79445f4f36c64e20f76c984fbff5a61b0895748afb42d0bb6c92aea2717178", kill_on_drop: false }`
[INFO] [stdout] 3a79445f4f36c64e20f76c984fbff5a61b0895748afb42d0bb6c92aea2717178