[INFO] updating cached repository https://github.com/afaucher17/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] 4d9c73b2a3b137b3d22be1a0e9d84349e2dc81a7
[INFO] checking afaucher17/gomoku against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafaucher17%2Fgomoku" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/afaucher17/gomoku on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/afaucher17/gomoku
[INFO] finished tweaking git repo https://github.com/afaucher17/gomoku
[INFO] tweaked toml for git repo https://github.com/afaucher17/gomoku written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/afaucher17/gomoku already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 7e9aaa34dc74b5c433e20727a3756aa0f5dcb40bb53cbfadcb4087e3f31a8d9f
[INFO] running `"docker" "start" "-a" "7e9aaa34dc74b5c433e20727a3756aa0f5dcb40bb53cbfadcb4087e3f31a8d9f"`
[INFO] [stderr]     Checking libc v0.2.19
[INFO] [stderr]    Compiling serde v0.8.22
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling freetype-sys v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking num_cpus v1.2.1
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking clap v2.19.3
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.10
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]     Checking rayon v0.6.0
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]     Checking image v0.12.1
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.6
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking wayland-window v0.4.3
[INFO] [stderr]     Checking winit v0.5.7
[INFO] [stderr]     Checking glium_text v0.11.0
[INFO] [stderr]     Checking gomoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/board/board.rs:44:18
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fun: Box<Fn(usize) -> (usize, usize)>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> (usize, usize)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/board/board.rs:44:18
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fun: Box<Fn(usize) -> (usize, usize)>,
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize) -> (usize, usize)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 if !(0..19).contains(x) || !(0..19).contains(y) {
[INFO] [stderr]     |                                      ^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      expected reference, found `usize`
[INFO] [stderr]     |                                      help: consider borrowing here: `&x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:215:62
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 if !(0..19).contains(x) || !(0..19).contains(y) {
[INFO] [stderr]     |                                                              ^
[INFO] [stderr]     |                                                              |
[INFO] [stderr]     |                                                              expected reference, found `usize`
[INFO] [stderr]     |                                                              help: consider borrowing here: `&y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:280:29
[INFO] [stderr]     |
[INFO] [stderr] 280 |         if (0..19).contains(x + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 |         if (0..19).contains(x + 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:284:56
[INFO] [stderr]     |
[INFO] [stderr] 284 |         if (0..19).contains(x + 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:288:29
[INFO] [stderr]     |
[INFO] [stderr] 288 |         if (0..19).contains(y + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(y + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:292:29
[INFO] [stderr]     |
[INFO] [stderr] 292 |         if (0..19).contains(x - 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:292:56
[INFO] [stderr]     |
[INFO] [stderr] 292 |         if (0..19).contains(x - 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:296:29
[INFO] [stderr]     |
[INFO] [stderr] 296 |         if (0..19).contains(x - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:300:29
[INFO] [stderr]     |
[INFO] [stderr] 300 |         if (0..19).contains(x - 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:300:56
[INFO] [stderr]     |
[INFO] [stderr] 300 |         if (0..19).contains(x - 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:304:29
[INFO] [stderr]     |
[INFO] [stderr] 304 |         if (0..19).contains(y - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(y - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:308:29
[INFO] [stderr]     |
[INFO] [stderr] 308 |         if (0..19).contains(x + 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:308:56
[INFO] [stderr]     |
[INFO] [stderr] 308 |         if (0..19).contains(x + 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:215:38
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 if !(0..19).contains(x) || !(0..19).contains(y) {
[INFO] [stderr]     |                                      ^
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |                                      expected reference, found `usize`
[INFO] [stderr]     |                                      help: consider borrowing here: `&x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:215:62
[INFO] [stderr]     |
[INFO] [stderr] 215 |                 if !(0..19).contains(x) || !(0..19).contains(y) {
[INFO] [stderr]     |                                                              ^
[INFO] [stderr]     |                                                              |
[INFO] [stderr]     |                                                              expected reference, found `usize`
[INFO] [stderr]     |                                                              help: consider borrowing here: `&y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:280:29
[INFO] [stderr]     |
[INFO] [stderr] 280 |         if (0..19).contains(x + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 |         if (0..19).contains(x + 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:284:56
[INFO] [stderr]     |
[INFO] [stderr] 284 |         if (0..19).contains(x + 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:288:29
[INFO] [stderr]     |
[INFO] [stderr] 288 |         if (0..19).contains(y + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(y + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:292:29
[INFO] [stderr]     |
[INFO] [stderr] 292 |         if (0..19).contains(x - 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:292:56
[INFO] [stderr]     |
[INFO] [stderr] 292 |         if (0..19).contains(x - 1) && (0..19).contains(y + 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:296:29
[INFO] [stderr]     |
[INFO] [stderr] 296 |         if (0..19).contains(x - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:300:29
[INFO] [stderr]     |
[INFO] [stderr] 300 |         if (0..19).contains(x - 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:300:56
[INFO] [stderr]     |
[INFO] [stderr] 300 |         if (0..19).contains(x - 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:304:29
[INFO] [stderr]     |
[INFO] [stderr] 304 |         if (0..19).contains(y - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(y - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:308:29
[INFO] [stderr]     |
[INFO] [stderr] 308 |         if (0..19).contains(x + 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             expected reference, found `i32`
[INFO] [stderr]     |                             help: consider borrowing here: `&(x + 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board/board.rs:308:56
[INFO] [stderr]     |
[INFO] [stderr] 308 |         if (0..19).contains(x + 1) && (0..19).contains(y - 1)
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |                                                        |
[INFO] [stderr]     |                                                        expected reference, found `i32`
[INFO] [stderr]     |                                                        help: consider borrowing here: `&(y - 1)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `i32`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `gomoku`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `gomoku`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7e9aaa34dc74b5c433e20727a3756aa0f5dcb40bb53cbfadcb4087e3f31a8d9f"`
[INFO] running `"docker" "rm" "-f" "7e9aaa34dc74b5c433e20727a3756aa0f5dcb40bb53cbfadcb4087e3f31a8d9f"`
[INFO] [stdout] 7e9aaa34dc74b5c433e20727a3756aa0f5dcb40bb53cbfadcb4087e3f31a8d9f
