[INFO] cloning repository https://github.com/ericye16/rusty-tic-tac-toe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericye16/rusty-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dda5667cea5006f90d7782d60ec13d08a39353bb
[INFO] checking ericye16/rusty-tic-tac-toe against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericye16/rusty-tic-tac-toe on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ericye16/rusty-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/ericye16/rusty-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/ericye16/rusty-tic-tac-toe written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ericye16/rusty-tic-tac-toe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c5f91be668a7b41671f4fe0ea6f060d61949e65717b28459594253d90529472
[INFO] running `"docker" "start" "-a" "8c5f91be668a7b41671f4fe0ea6f060d61949e65717b28459594253d90529472"`
[INFO] [stderr]     Checking rusty-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `E`
[INFO] [stderr]    --> src/game.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let E = Empty;
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_E`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/game.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 196 |     let E = Empty;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/game.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |     let E = Empty;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/game.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |     let E = Empty;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]    --> src/game.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |     let E = Empty;
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `O`
[INFO] [stderr]  --> src/game.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   O,
[INFO] [stderr]   |   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Winner`
[INFO] [stderr]   --> src/game.rs:23:3
[INFO] [stderr]    |
[INFO] [stderr] 23 |   Winner,
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Loser`
[INFO] [stderr]   --> src/game.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   Loser,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Draw`
[INFO] [stderr]   --> src/game.rs:25:3
[INFO] [stderr]    |
[INFO] [stderr] 25 |   Draw,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Indeterminate`
[INFO] [stderr]   --> src/game.rs:26:3
[INFO] [stderr]    |
[INFO] [stderr] 26 |   Indeterminate,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_winner`
[INFO] [stderr]   --> src/game.rs:74:3
[INFO] [stderr]    |
[INFO] [stderr] 74 |   pub fn check_winner(&self) -> PlayerStatus {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "8c5f91be668a7b41671f4fe0ea6f060d61949e65717b28459594253d90529472"`
[INFO] running `"docker" "rm" "-f" "8c5f91be668a7b41671f4fe0ea6f060d61949e65717b28459594253d90529472"`
[INFO] [stdout] 8c5f91be668a7b41671f4fe0ea6f060d61949e65717b28459594253d90529472