[INFO] updating cached repository https://github.com/jafaghpo/Gomoku
[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] 4b7fee66825afc877c9998f0a5ae01807cb582f9
[INFO] checking jafaghpo/Gomoku against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjafaghpo%2FGomoku" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jafaghpo/Gomoku on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jafaghpo/Gomoku
[INFO] finished tweaking git repo https://github.com/jafaghpo/Gomoku
[INFO] tweaked toml for git repo https://github.com/jafaghpo/Gomoku written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 6133b210ab70e6281c3f5cc119a46f4480a5acd85c8aca6ab7673fc0291ae3dd
[INFO] running `"docker" "start" "-a" "6133b210ab70e6281c3f5cc119a46f4480a5acd85c8aca6ab7673fc0291ae3dd"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking gomoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/user_interface.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]  --> src/user_interface.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rule`
[INFO] [stderr]   --> src/user_interface.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn game_loop(theme: &str, rule: &str, player_mode: [bool; 2]) -> Result<(), String>
[INFO] [stderr]    |                               ^^^^ help: consider prefixing with an underscore: `_rule`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rule`
[INFO] [stderr]   --> src/user_interface.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn game_loop(theme: &str, rule: &str, player_mode: [bool; 2]) -> Result<(), String>
[INFO] [stderr]    |                               ^^^^ help: consider prefixing with an underscore: `_rule`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/user_interface.rs:70:6
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut game_status = PLAYING;
[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: constant item is never used: `HUMAN`
[INFO] [stderr]   --> src/user_interface.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const HUMAN: bool = true;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SEQUENCE_WIN`
[INFO] [stderr]   --> src/user_interface.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const SEQUENCE_WIN: u8 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CAPTURE_WIN`
[INFO] [stderr]   --> src/user_interface.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const CAPTURE_WIN: u8 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DRAW`
[INFO] [stderr]   --> src/user_interface.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const DRAW: u8 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/user_interface.rs:70:6
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut game_status = PLAYING;
[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: constant item is never used: `HUMAN`
[INFO] [stderr]   --> src/user_interface.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const HUMAN: bool = true;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SEQUENCE_WIN`
[INFO] [stderr]   --> src/user_interface.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const SEQUENCE_WIN: u8 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CAPTURE_WIN`
[INFO] [stderr]   --> src/user_interface.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const CAPTURE_WIN: u8 = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DRAW`
[INFO] [stderr]   --> src/user_interface.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const DRAW: u8 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.60s
[INFO] running `"docker" "inspect" "6133b210ab70e6281c3f5cc119a46f4480a5acd85c8aca6ab7673fc0291ae3dd"`
[INFO] running `"docker" "rm" "-f" "6133b210ab70e6281c3f5cc119a46f4480a5acd85c8aca6ab7673fc0291ae3dd"`
[INFO] [stdout] 6133b210ab70e6281c3f5cc119a46f4480a5acd85c8aca6ab7673fc0291ae3dd