[INFO] updating cached repository https://github.com/christiansakai/tictactoe_multiplayer_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 5c60febfdac2f10feff9f09c98c2c7e49d023da7
[INFO] checking christiansakai/tictactoe_multiplayer_rust against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchristiansakai%2Ftictactoe_multiplayer_rust" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/christiansakai/tictactoe_multiplayer_rust on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/christiansakai/tictactoe_multiplayer_rust
[INFO] finished tweaking git repo https://github.com/christiansakai/tictactoe_multiplayer_rust
[INFO] tweaked toml for git repo https://github.com/christiansakai/tictactoe_multiplayer_rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/christiansakai/tictactoe_multiplayer_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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] 9a5513e0e3e21139bd5035e7dc7de827443aeb16803e35b9ff3c9500273265b1
[INFO] running `"docker" "start" "-a" "9a5513e0e3e21139bd5035e7dc7de827443aeb16803e35b9ff3c9500273265b1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut row: Vec<Player> = vec![
[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.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let mut row: Vec<Player> = vec![
[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: unused imports: `client`, `server`
[INFO] [stderr]  --> src/main.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tictactoe::network::{server, client};
[INFO] [stderr]   |                          ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `client`, `server`
[INFO] [stderr]  --> src/main.rs:7:26
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tictactoe::network::{server, client};
[INFO] [stderr]   |                          ^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `"docker" "inspect" "9a5513e0e3e21139bd5035e7dc7de827443aeb16803e35b9ff3c9500273265b1"`
[INFO] running `"docker" "rm" "-f" "9a5513e0e3e21139bd5035e7dc7de827443aeb16803e35b9ff3c9500273265b1"`
[INFO] [stdout] 9a5513e0e3e21139bd5035e7dc7de827443aeb16803e35b9ff3c9500273265b1