[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] checking catharsian/connect_4_with_ai against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcatharsian%2Fconnect_4_with_ai" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/catharsian/connect_4_with_ai on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-2/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f314262e8bea6cf2639183d2169eb545bb5478202002c0c703f893ed40c6b188 [INFO] running `Command { std: "docker" "start" "-a" "f314262e8bea6cf2639183d2169eb545bb5478202002c0c703f893ed40c6b188", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f314262e8bea6cf2639183d2169eb545bb5478202002c0c703f893ed40c6b188", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f314262e8bea6cf2639183d2169eb545bb5478202002c0c703f893ed40c6b188", kill_on_drop: false }` [INFO] [stdout] f314262e8bea6cf2639183d2169eb545bb5478202002c0c703f893ed40c6b188 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8602c28575e5aba6c768ff6efe91addba3d3916a762ddc116b08c887d8903d18 [INFO] running `Command { std: "docker" "start" "-a" "8602c28575e5aba6c768ff6efe91addba3d3916a762ddc116b08c887d8903d18", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking 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: 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: 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: 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] [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 5.09s [INFO] running `Command { std: "docker" "inspect" "8602c28575e5aba6c768ff6efe91addba3d3916a762ddc116b08c887d8903d18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8602c28575e5aba6c768ff6efe91addba3d3916a762ddc116b08c887d8903d18", kill_on_drop: false }` [INFO] [stdout] 8602c28575e5aba6c768ff6efe91addba3d3916a762ddc116b08c887d8903d18