[INFO] cloning repository https://github.com/catharsian/connect_4_with_ai [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/catharsian/connect_4_with_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatharsian%2Fconnect_4_with_ai", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatharsian%2Fconnect_4_with_ai'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c8408c7646ea9e8ec343a3bbc3c895368aff94e0 [INFO] testing catharsian/connect_4_with_ai against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatharsian%2Fconnect_4_with_ai" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/catharsian/connect_4_with_ai on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/catharsian/connect_4_with_ai [INFO] finished tweaking git repo https://github.com/catharsian/connect_4_with_ai [INFO] tweaked toml for git repo https://github.com/catharsian/connect_4_with_ai written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/catharsian/connect_4_with_ai already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc1f4c4914e8ad5e43e8d9063dc964b990a37d2190b3424b717a32c0345dcb83 [INFO] running `Command { std: "docker" "start" "-a" "fc1f4c4914e8ad5e43e8d9063dc964b990a37d2190b3424b717a32c0345dcb83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc1f4c4914e8ad5e43e8d9063dc964b990a37d2190b3424b717a32c0345dcb83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc1f4c4914e8ad5e43e8d9063dc964b990a37d2190b3424b717a32c0345dcb83", kill_on_drop: false }` [INFO] [stdout] fc1f4c4914e8ad5e43e8d9063dc964b990a37d2190b3424b717a32c0345dcb83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] efbe30e982550fa86ed94274b57c367109d644dcf86e201cc6941165382489d4 [INFO] running `Command { std: "docker" "start" "-a" "efbe30e982550fa86ed94274b57c367109d644dcf86e201cc6941165382489d4", kill_on_drop: false }` [INFO] [stderr] Compiling connect_4_with_ai v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `PartialOrd` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | PartialOrd, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `C4_AI` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 210 | pub struct C4_AI{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `C4Ai` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:281:26 [INFO] [stdout] | [INFO] [stdout] 281 | fn alpha_beta(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool, mut alpha: i32, mut beta: i32) -> i32{ [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `opponent` [INFO] [stdout] --> src/lib.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 213 | opponent: Color, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `minimax` [INFO] [stdout] --> src/lib.rs:239:8 [INFO] [stdout] | [INFO] [stdout] 239 | fn minimax(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | Err(e) => {println!("You must enter a number."); continue}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | Err(e) => {println!("You must enter a number."); continue}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut ai = C4_AI::new(not_color(my_col)); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_two_moves` [INFO] [stdout] --> src/main.rs:127:4 [INFO] [stdout] | [INFO] [stdout] 127 | fn make_two_moves(mut board: Game, turn1: usize, turn2: usize) -> Game { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "efbe30e982550fa86ed94274b57c367109d644dcf86e201cc6941165382489d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efbe30e982550fa86ed94274b57c367109d644dcf86e201cc6941165382489d4", kill_on_drop: false }` [INFO] [stdout] efbe30e982550fa86ed94274b57c367109d644dcf86e201cc6941165382489d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 767cbebf014f84e5419424a16c36e94cfa502817aafcae559351708f691d8b81 [INFO] running `Command { std: "docker" "start" "-a" "767cbebf014f84e5419424a16c36e94cfa502817aafcae559351708f691d8b81", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `PartialOrd` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | PartialOrd, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `C4_AI` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 210 | pub struct C4_AI{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `C4Ai` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling connect_4_with_ai v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:281:26 [INFO] [stdout] | [INFO] [stdout] 281 | fn alpha_beta(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool, mut alpha: i32, mut beta: i32) -> i32{ [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `opponent` [INFO] [stdout] --> src/lib.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 213 | opponent: Color, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `minimax` [INFO] [stdout] --> src/lib.rs:239:8 [INFO] [stdout] | [INFO] [stdout] 239 | fn minimax(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PartialOrd` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | PartialOrd, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `C4_AI` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:210:12 [INFO] [stdout] | [INFO] [stdout] 210 | pub struct C4_AI{ [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `C4Ai` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | Err(e) => {println!("You must enter a number."); continue}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | Err(e) => {println!("You must enter a number."); continue}, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut ai = C4_AI::new(not_color(my_col)); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `make_two_moves` [INFO] [stdout] --> src/main.rs:127:4 [INFO] [stdout] | [INFO] [stdout] 127 | fn make_two_moves(mut board: Game, turn1: usize, turn2: usize) -> Game { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:281:26 [INFO] [stdout] | [INFO] [stdout] 281 | fn alpha_beta(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool, mut alpha: i32, mut beta: i32) -> i32{ [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `opponent` [INFO] [stdout] --> src/lib.rs:213:5 [INFO] [stdout] | [INFO] [stdout] 213 | opponent: Color, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `minimax` [INFO] [stdout] --> src/lib.rs:239:8 [INFO] [stdout] | [INFO] [stdout] 239 | fn minimax(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "767cbebf014f84e5419424a16c36e94cfa502817aafcae559351708f691d8b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "767cbebf014f84e5419424a16c36e94cfa502817aafcae559351708f691d8b81", kill_on_drop: false }` [INFO] [stdout] 767cbebf014f84e5419424a16c36e94cfa502817aafcae559351708f691d8b81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8570cbdc5ad806b68f2c0e121c58d925ba9d6c81657b50ed1f35a47997b8292f [INFO] running `Command { std: "docker" "start" "-a" "8570cbdc5ad806b68f2c0e121c58d925ba9d6c81657b50ed1f35a47997b8292f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `PartialOrd` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | PartialOrd, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `C4_AI` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:210:12 [INFO] [stderr] | [INFO] [stderr] 210 | pub struct C4_AI{ [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `C4Ai` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:281:26 [INFO] [stderr] | [INFO] [stderr] 281 | fn alpha_beta(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool, mut alpha: i32, mut beta: i32) -> i32{ [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: field is never read: `opponent` [INFO] [stderr] --> src/lib.rs:213:5 [INFO] [stderr] | [INFO] [stderr] 213 | opponent: Color, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `minimax` [INFO] [stderr] --> src/lib.rs:239:8 [INFO] [stderr] | [INFO] [stderr] 239 | fn minimax(&self, mut fresh_board: Game, depth: usize, is_maximizing: bool) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `connect_4_with_ai` (lib) generated 5 warnings [INFO] [stderr] warning: `connect_4_with_ai` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:38:21 [INFO] [stderr] | [INFO] [stderr] 38 | Err(e) => {println!("You must enter a number."); continue}, [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: unused variable: `e` [INFO] [stderr] --> src/main.rs:101:21 [INFO] [stderr] | [INFO] [stderr] 101 | Err(e) => {println!("You must enter a number."); continue}, [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let mut ai = C4_AI::new(not_color(my_col)); [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: function is never used: `make_two_moves` [INFO] [stderr] --> src/main.rs:127:4 [INFO] [stderr] | [INFO] [stderr] 127 | fn make_two_moves(mut board: Game, turn1: usize, turn2: usize) -> Game { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `connect_4_with_ai` (bin "connect_4_with_ai" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/connect_4_with_ai-60e352b5cb8c7c7c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/connect_4_with_ai-daa868955f624e2c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests connect_4_with_ai [INFO] [stderr] warning: type `C4_AI` should have an upper camel case name [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:210:12 [INFO] [stderr] | [INFO] [stderr] 210 | pub struct C4_AI{ [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `C4Ai` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8570cbdc5ad806b68f2c0e121c58d925ba9d6c81657b50ed1f35a47997b8292f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8570cbdc5ad806b68f2c0e121c58d925ba9d6c81657b50ed1f35a47997b8292f", kill_on_drop: false }` [INFO] [stdout] 8570cbdc5ad806b68f2c0e121c58d925ba9d6c81657b50ed1f35a47997b8292f