[INFO] cloning repository https://github.com/tomvidm/rust-sudoku-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomvidm/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvidm%2Frust-sudoku-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvidm%2Frust-sudoku-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9778d53891d8a991798dcffb2afeb743bbc9da94 [INFO] checking tomvidm/rust-sudoku-solver against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomvidm%2Frust-sudoku-solver" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomvidm/rust-sudoku-solver on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tomvidm/rust-sudoku-solver [INFO] finished tweaking git repo https://github.com/tomvidm/rust-sudoku-solver [INFO] tweaked toml for git repo https://github.com/tomvidm/rust-sudoku-solver written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/tomvidm/rust-sudoku-solver already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bb3dbdf7c14f3baf5c4fd74237b5292af7db01bba7005e2e44f1532104c6364b [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" "bb3dbdf7c14f3baf5c4fd74237b5292af7db01bba7005e2e44f1532104c6364b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb3dbdf7c14f3baf5c4fd74237b5292af7db01bba7005e2e44f1532104c6364b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb3dbdf7c14f3baf5c4fd74237b5292af7db01bba7005e2e44f1532104c6364b", kill_on_drop: false }` [INFO] [stdout] bb3dbdf7c14f3baf5c4fd74237b5292af7db01bba7005e2e44f1532104c6364b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff52dae882463f8a5182605c7ce6f256088f2fb1b2c92607182106be9f8aafb1 [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" "ff52dae882463f8a5182605c7ce6f256088f2fb1b2c92607182106be9f8aafb1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.13 [INFO] [stderr] Compiling serde v1.0.73 [INFO] [stderr] Compiling ryu v0.2.4 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling serde_derive v1.0.73 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let board = su::Board::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coord` [INFO] [stdout] --> src/su/board.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 80 | let coord = Coord::new(r, c); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_entry` [INFO] [stdout] --> src/su/board.rs:174:17 [INFO] [stdout] | [INFO] [stdout] 174 | let old_entry = Move::new_from_coord_and_value(coord, old_value); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_entry` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raw_board_struct` [INFO] [stdout] --> src/su/sugame.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let raw_board_struct = raw_board.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_board_struct` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/main.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let board = su::Board::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> src/su/board.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | let mut board = Board::new_from_array(valid_raw_board); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `coord` [INFO] [stdout] --> src/su/board.rs:80:21 [INFO] [stdout] | [INFO] [stdout] 80 | let coord = Coord::new(r, c); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_coord` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `old_entry` [INFO] [stdout] --> src/su/board.rs:174:17 [INFO] [stdout] | [INFO] [stdout] 174 | let old_entry = Move::new_from_coord_and_value(coord, old_value); [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_entry` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `game` [INFO] [stdout] --> src/su/sugame.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let game = Game::test_game(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_game` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `raw_board_struct` [INFO] [stdout] --> src/su/sugame.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | let raw_board_struct = raw_board.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_raw_board_struct` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/su/sugame.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | data: [[i8; 9]; 9] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Game` [INFO] [stdout] --> src/su/sugame.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Game { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `test_game` [INFO] [stdout] --> src/su/sugame.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn test_game() -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/su/board.rs:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | let mut board = Board::new_from_array(valid_raw_board); [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `data` [INFO] [stdout] --> src/su/sugame.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | data: [[i8; 9]; 9] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `board` [INFO] [stdout] --> src/su/sugame.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | board: Board, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.84s [INFO] running `Command { std: "docker" "inspect" "ff52dae882463f8a5182605c7ce6f256088f2fb1b2c92607182106be9f8aafb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff52dae882463f8a5182605c7ce6f256088f2fb1b2c92607182106be9f8aafb1", kill_on_drop: false }` [INFO] [stdout] ff52dae882463f8a5182605c7ce6f256088f2fb1b2c92607182106be9f8aafb1