[INFO] cloning repository https://github.com/NougatRillettes/FourInARust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NougatRillettes/FourInARust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNougatRillettes%2FFourInARust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNougatRillettes%2FFourInARust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6748701ea3c1022bc70e459bfcf2f641433154af [INFO] testing NougatRillettes/FourInARust against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNougatRillettes%2FFourInARust" "/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/NougatRillettes/FourInARust on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/NougatRillettes/FourInARust [INFO] finished tweaking git repo https://github.com/NougatRillettes/FourInARust [INFO] tweaked toml for git repo https://github.com/NougatRillettes/FourInARust written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/NougatRillettes/FourInARust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2dca8f1bec6b9c1122e74f5ea4dd1753a3ef6c5965d028819be8ab5c73e049fb [INFO] running `Command { std: "docker" "start" "-a" "2dca8f1bec6b9c1122e74f5ea4dd1753a3ef6c5965d028819be8ab5c73e049fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dca8f1bec6b9c1122e74f5ea4dd1753a3ef6c5965d028819be8ab5c73e049fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dca8f1bec6b9c1122e74f5ea4dd1753a3ef6c5965d028819be8ab5c73e049fb", kill_on_drop: false }` [INFO] [stdout] 2dca8f1bec6b9c1122e74f5ea4dd1753a3ef6c5965d028819be8ab5c73e049fb [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e40e5172eb223c8f1a264fb21d3cc51c4c626609cdaf27db602482cfc549b503 [INFO] running `Command { std: "docker" "start" "-a" "e40e5172eb223c8f1a264fb21d3cc51c4c626609cdaf27db602482cfc549b503", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling feature-probe v0.1.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling array-init v2.0.0 [INFO] [stderr] Compiling ahash v0.7.2 [INFO] [stderr] Compiling bv v0.11.1 [INFO] [stderr] Compiling four_in_a_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bv::BitVec` [INFO] [stdout] --> src/board.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bv::BitVec; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::BufRead` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ai.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | mut beta: Score, [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: constant is never used: `PLAYER_COLOR` [INFO] [stdout] --> src/ai.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | const PLAYER_COLOR: NonEmptySqrState = NonEmptySqrState::Red; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/board.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] note: `NonEmptySqrState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Eq, PartialEq, Copy, Clone, Debug, Hash)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Yellow` [INFO] [stdout] --> src/board.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `NonEmptySqrState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:6:31 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Eq, PartialEq, Copy, Clone, Debug, Hash)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `other` [INFO] [stdout] --> src/board.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn other(self) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `NonEmpty` [INFO] [stdout] --> src/board.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 37 | NonEmpty(NonEmptySqrState), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `SqrState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:34:31 [INFO] [stdout] | [INFO] [stdout] 34 | #[derive(Eq, PartialEq, Copy, Clone, Debug, Hash)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/board.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn is_empty(self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ColumnFull` [INFO] [stdout] --> src/board.rs:68:5 [INFO] [stdout] | [INFO] [stdout] 68 | ColumnFull, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `ColumnError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/board.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 88 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_full` [INFO] [stdout] --> src/board.rs:95:12 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn is_full(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/board.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn len(&self) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_push` [INFO] [stdout] --> src/board.rs:103:8 [INFO] [stdout] | [INFO] [stdout] 103 | fn try_push(&mut self, x: NonEmptySqrState) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_mut` [INFO] [stdout] --> src/board.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | fn get_mut(&mut self, i: usize) -> Option<&mut SqrState> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ColumnFull` [INFO] [stdout] --> src/board.rs:133:5 [INFO] [stdout] | [INFO] [stdout] 133 | / ColumnFull { [INFO] [stdout] 134 | | column_index: usize, [INFO] [stdout] 135 | | tried_to_push: NonEmptySqrState, [INFO] [stdout] 136 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] note: `BoardError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/board.rs:123:10 [INFO] [stdout] | [INFO] [stdout] 123 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/board.rs:179:12 [INFO] [stdout] | [INFO] [stdout] 179 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `col_is_full` [INFO] [stdout] --> src/board.rs:186:12 [INFO] [stdout] | [INFO] [stdout] 186 | pub fn col_is_full(&self, coli: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_col_mut` [INFO] [stdout] --> src/board.rs:200:8 [INFO] [stdout] | [INFO] [stdout] 200 | fn get_col_mut(&mut self, coli: usize) -> BoardResult<&mut Column> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_cell_mut` [INFO] [stdout] --> src/board.rs:217:8 [INFO] [stdout] | [INFO] [stdout] 217 | fn get_cell_mut(&mut self, coli: usize, rowi: usize) -> BoardResult<&mut SqrState> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_add_to_col` [INFO] [stdout] --> src/board.rs:229:12 [INFO] [stdout] | [INFO] [stdout] 229 | pub fn try_add_to_col( [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add_to_col` [INFO] [stdout] --> src/board.rs:248:12 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn add_to_col(&mut self, coli: usize, color: NonEmptySqrState) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_win_at` [INFO] [stdout] --> src/board.rs:253:12 [INFO] [stdout] | [INFO] [stdout] 253 | pub fn try_win_at(&self, col_i: usize, row_i: usize) -> BoardResult<(SqrState, bool)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_add_and_check` [INFO] [stdout] --> src/board.rs:279:12 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn try_add_and_check(&mut self, coli: usize, color: NonEmptySqrState) -> BoardResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `columns` [INFO] [stdout] --> src/board.rs:284:12 [INFO] [stdout] | [INFO] [stdout] 284 | pub fn columns(&self) -> &[Column; COLS] { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_packed_repr` [INFO] [stdout] --> src/board.rs:288:12 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn to_packed_repr(&self) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/packedboard.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn is_empty(self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ALL_ROW_IDXS` [INFO] [stdout] --> src/packedboard.rs:75:1 [INFO] [stdout] | [INFO] [stdout] 75 | / pub const ALL_ROW_IDXS : [ColIdx; NROW as usize] = [ [INFO] [stdout] 76 | | Idx(0), [INFO] [stdout] 77 | | Idx(1), [INFO] [stdout] 78 | | Idx(2), [INFO] [stdout] ... | [INFO] [stdout] 81 | | Idx(5), [INFO] [stdout] 82 | | ]; [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RowIndexOutOfBounds` [INFO] [stdout] --> src/packedboard.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 91 | / RowIndexOutOfBounds { [INFO] [stdout] 92 | | required_index: usize, [INFO] [stdout] 93 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] note: `BoardError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/packedboard.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `check_row_idx` [INFO] [stdout] --> src/packedboard.rs:199:12 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn check_row_idx(idx: u8) -> BoardResult { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `col_is_full` [INFO] [stdout] --> src/packedboard.rs:219:12 [INFO] [stdout] | [INFO] [stdout] 219 | pub fn col_is_full(&self, coli: ColIdx) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 31 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.06s [INFO] running `Command { std: "docker" "inspect" "e40e5172eb223c8f1a264fb21d3cc51c4c626609cdaf27db602482cfc549b503", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e40e5172eb223c8f1a264fb21d3cc51c4c626609cdaf27db602482cfc549b503", kill_on_drop: false }` [INFO] [stdout] e40e5172eb223c8f1a264fb21d3cc51c4c626609cdaf27db602482cfc549b503 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fda94e8193559b97da58615700d07dd9283cf4844bedcaca418e0b75f87bd6e5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fda94e8193559b97da58615700d07dd9283cf4844bedcaca418e0b75f87bd6e5", kill_on_drop: false }` [INFO] [stderr] Compiling four_in_a_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `bv::BitVec` [INFO] [stdout] --> src/board.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bv::BitVec; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::BufRead` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ai.rs:69:5 [INFO] [stdout] | [INFO] [stdout] 69 | mut beta: Score, [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: constant is never used: `PLAYER_COLOR` [INFO] [stdout] --> src/ai.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | const PLAYER_COLOR: NonEmptySqrState = NonEmptySqrState::Red; [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: `other` [INFO] [stdout] --> src/board.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn other(self) -> Self { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/board.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn is_empty(self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/board.rs:99:12 [INFO] [stdout] | [INFO] [stdout] 99 | pub fn len(&self) -> u8 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_mut` [INFO] [stdout] --> src/board.rs:118:8 [INFO] [stdout] | [INFO] [stdout] 118 | fn get_mut(&mut self, i: usize) -> Option<&mut SqrState> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_cell_mut` [INFO] [stdout] --> src/board.rs:217:8 [INFO] [stdout] | [INFO] [stdout] 217 | fn get_cell_mut(&mut self, coli: usize, rowi: usize) -> BoardResult<&mut SqrState> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_win_at` [INFO] [stdout] --> src/board.rs:253:12 [INFO] [stdout] | [INFO] [stdout] 253 | pub fn try_win_at(&self, col_i: usize, row_i: usize) -> BoardResult<(SqrState, bool)> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_add_and_check` [INFO] [stdout] --> src/board.rs:279:12 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn try_add_and_check(&mut self, coli: usize, color: NonEmptySqrState) -> BoardResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `columns` [INFO] [stdout] --> src/board.rs:284:12 [INFO] [stdout] | [INFO] [stdout] 284 | pub fn columns(&self) -> &[Column; COLS] { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `to_packed_repr` [INFO] [stdout] --> src/board.rs:288:12 [INFO] [stdout] | [INFO] [stdout] 288 | pub fn to_packed_repr(&self) -> u128 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_empty` [INFO] [stdout] --> src/packedboard.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn is_empty(self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ALL_ROW_IDXS` [INFO] [stdout] --> src/packedboard.rs:75:1 [INFO] [stdout] | [INFO] [stdout] 75 | / pub const ALL_ROW_IDXS : [ColIdx; NROW as usize] = [ [INFO] [stdout] 76 | | Idx(0), [INFO] [stdout] 77 | | Idx(1), [INFO] [stdout] 78 | | Idx(2), [INFO] [stdout] ... | [INFO] [stdout] 81 | | Idx(5), [INFO] [stdout] 82 | | ]; [INFO] [stdout] | |__^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RowIndexOutOfBounds` [INFO] [stdout] --> src/packedboard.rs:91:5 [INFO] [stdout] | [INFO] [stdout] 91 | / RowIndexOutOfBounds { [INFO] [stdout] 92 | | required_index: usize, [INFO] [stdout] 93 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] note: `BoardError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/packedboard.rs:86:10 [INFO] [stdout] | [INFO] [stdout] 86 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `check_row_idx` [INFO] [stdout] --> src/packedboard.rs:199:12 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn check_row_idx(idx: u8) -> BoardResult { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `col_is_full` [INFO] [stdout] --> src/packedboard.rs:219:12 [INFO] [stdout] | [INFO] [stdout] 219 | pub fn col_is_full(&self, coli: ColIdx) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.61s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/four_in_a_rust-46cbf847603fc47b) [INFO] running `Command { std: "docker" "inspect" "fda94e8193559b97da58615700d07dd9283cf4844bedcaca418e0b75f87bd6e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fda94e8193559b97da58615700d07dd9283cf4844bedcaca418e0b75f87bd6e5", kill_on_drop: false }` [INFO] [stdout] fda94e8193559b97da58615700d07dd9283cf4844bedcaca418e0b75f87bd6e5 [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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ea41c5d60906ec5a97cadbfcdbdf2e711da4597017e5269674f65dad19b573a8 [INFO] running `Command { std: "docker" "start" "-a" "ea41c5d60906ec5a97cadbfcdbdf2e711da4597017e5269674f65dad19b573a8", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `bv::BitVec` [INFO] [stderr] --> src/board.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use bv::BitVec; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `io::BufRead` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/ai.rs:69:5 [INFO] [stderr] | [INFO] [stderr] 69 | mut beta: Score, [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 is never used: `PLAYER_COLOR` [INFO] [stderr] --> src/ai.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | const PLAYER_COLOR: NonEmptySqrState = NonEmptySqrState::Red; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `other` [INFO] [stderr] --> src/board.rs:20:12 [INFO] [stderr] | [INFO] [stderr] 20 | pub fn other(self) -> Self { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/board.rs:49:12 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn is_empty(self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/board.rs:99:12 [INFO] [stderr] | [INFO] [stderr] 99 | pub fn len(&self) -> u8 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_mut` [INFO] [stderr] --> src/board.rs:118:8 [INFO] [stderr] | [INFO] [stderr] 118 | fn get_mut(&mut self, i: usize) -> Option<&mut SqrState> { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `get_cell_mut` [INFO] [stderr] --> src/board.rs:217:8 [INFO] [stderr] | [INFO] [stderr] 217 | fn get_cell_mut(&mut self, coli: usize, rowi: usize) -> BoardResult<&mut SqrState> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `try_win_at` [INFO] [stderr] --> src/board.rs:253:12 [INFO] [stderr] | [INFO] [stderr] 253 | pub fn try_win_at(&self, col_i: usize, row_i: usize) -> BoardResult<(SqrState, bool)> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `try_add_and_check` [INFO] [stderr] --> src/board.rs:279:12 [INFO] [stderr] | [INFO] [stderr] 279 | pub fn try_add_and_check(&mut self, coli: usize, color: NonEmptySqrState) -> BoardResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `columns` [INFO] [stderr] --> src/board.rs:284:12 [INFO] [stderr] | [INFO] [stderr] 284 | pub fn columns(&self) -> &[Column; COLS] { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `to_packed_repr` [INFO] [stderr] --> src/board.rs:288:12 [INFO] [stderr] | [INFO] [stderr] 288 | pub fn to_packed_repr(&self) -> u128 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `is_empty` [INFO] [stderr] --> src/packedboard.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn is_empty(self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: constant is never used: `ALL_ROW_IDXS` [INFO] [stdout] running 3 tests [INFO] [stderr] --> src/packedboard.rs:75:1 [INFO] [stderr] | [INFO] [stderr] 75 | / pub const ALL_ROW_IDXS : [ColIdx; NROW as usize] = [ [INFO] [stderr] 76 | | Idx(0), [INFO] [stderr] 77 | | Idx(1), [INFO] [stderr] 78 | | Idx(2), [INFO] [stderr] ... | [INFO] [stderr] 81 | | Idx(5), [INFO] [stderr] 82 | | ]; [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RowIndexOutOfBounds` [INFO] [stderr] --> src/packedboard.rs:91:5 [INFO] [stderr] | [INFO] [stderr] 91 | / RowIndexOutOfBounds { [INFO] [stderr] 92 | | required_index: usize, [INFO] [stderr] 93 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] note: `BoardError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/packedboard.rs:86:10 [INFO] [stderr] | [INFO] [stderr] 86 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `check_row_idx` [INFO] [stderr] --> src/packedboard.rs:199:12 [INFO] [stderr] | [INFO] [stderr] 199 | pub fn check_row_idx(idx: u8) -> BoardResult { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `col_is_full` [INFO] [stderr] --> src/packedboard.rs:219:12 [INFO] [stderr] | [INFO] [stderr] 219 | pub fn col_is_full(&self, coli: ColIdx) -> bool { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `four_in_a_rust` (bin "four_in_a_rust" test) generated 18 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/four_in_a_rust-46cbf847603fc47b) [INFO] [stdout] test board::tests::generaltest ... ok [INFO] [stdout] test board::tests::addtokenpanic1 - should panic ... ok [INFO] [stdout] test board::tests::addtokenpanic3 - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ea41c5d60906ec5a97cadbfcdbdf2e711da4597017e5269674f65dad19b573a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea41c5d60906ec5a97cadbfcdbdf2e711da4597017e5269674f65dad19b573a8", kill_on_drop: false }` [INFO] [stdout] ea41c5d60906ec5a97cadbfcdbdf2e711da4597017e5269674f65dad19b573a8