[INFO] updating cached repository https://github.com/CrazyFork/rs_webserver_game
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 586675fc787ab9c70fc81f8e4677dc12d239bf2b
[INFO] checking CrazyFork/rs_webserver_game against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrazyFork%2Frs_webserver_game" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrazyFork/rs_webserver_game on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CrazyFork/rs_webserver_game
[INFO] finished tweaking git repo https://github.com/CrazyFork/rs_webserver_game
[INFO] tweaked toml for git repo https://github.com/CrazyFork/rs_webserver_game written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CrazyFork/rs_webserver_game already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7efde476b02deded516e99cf7545a4f9ae52d58e7ae467693fe6dd2cc3296ed6
[INFO] running `"docker" "start" "-a" "7efde476b02deded516e99cf7545a4f9ae52d58e7ae467693fe6dd2cc3296ed6"`
[INFO] [stderr]     Checking server-tictac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: module `Status` should have a snake case name
[INFO] [stderr]    --> src/common.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 | pub mod Status {
[INFO] [stderr]     |         ^^^^^^ help: convert the identifier to snake case: `status`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Status` should have a snake case name
[INFO] [stderr]    --> src/common.rs:305:9
[INFO] [stderr]     |
[INFO] [stderr] 305 | pub mod Status {
[INFO] [stderr]     |         ^^^^^^ help: convert the identifier to snake case: `status`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game_server.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut board = match guard.board.get_mut(&user_id) {
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game_server.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut board = match guard.board.get_mut(&user_id) {
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "7efde476b02deded516e99cf7545a4f9ae52d58e7ae467693fe6dd2cc3296ed6"`
[INFO] running `"docker" "rm" "-f" "7efde476b02deded516e99cf7545a4f9ae52d58e7ae467693fe6dd2cc3296ed6"`
[INFO] [stdout] 7efde476b02deded516e99cf7545a4f9ae52d58e7ae467693fe6dd2cc3296ed6