[INFO] updating cached repository https://github.com/tristanred/slots_verifier [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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] af531d0d939bb52a5ae134176a3c671c08d64cd8 [INFO] checking tristanred/slots_verifier against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristanred%2Fslots_verifier" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tristanred/slots_verifier on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tristanred/slots_verifier [INFO] finished tweaking git repo https://github.com/tristanred/slots_verifier [INFO] tweaked toml for git repo https://github.com/tristanred/slots_verifier written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/tristanred/slots_verifier already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 5b9513e411f5348f9d1024b043135b68ffe701a7ca3946a7f9a8b33548deea2a [INFO] running `"docker" "start" "-a" "5b9513e411f5348f9d1024b043135b68ffe701a7ca3946a7f9a8b33548deea2a"` [INFO] [stderr] Checking slot_verifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/reel.rs:105:63 [INFO] [stderr] | [INFO] [stderr] 105 | return Err(ReelOverflow::new("Overflow", stops.to_vec()));; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | let window = get_reel_window(rs, 3, &reelstops); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/reel.rs:105:63 [INFO] [stderr] | [INFO] [stderr] 105 | return Err(ReelOverflow::new("Overflow", stops.to_vec()));; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolon)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/reel.rs:105:63 [INFO] [stderr] | [INFO] [stderr] 105 | return Err(ReelOverflow::new("Overflow", stops.to_vec()));; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/main.rs:34:5 [INFO] [stderr] | [INFO] [stderr] 34 | let window = get_reel_window(rs, 3, &reelstops); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let window = get_reel_window(rs, 3, &reelstops); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_window` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reelstops` [INFO] [stderr] --> src/main.rs:31:22 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_reelstops` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rs` [INFO] [stderr] --> src/main.rs:31:43 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rs` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `symbols` [INFO] [stderr] --> src/main.rs:31:56 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_symbols` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lines` [INFO] [stderr] --> src/main.rs:31:76 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_lines` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/reel.rs:105:63 [INFO] [stderr] | [INFO] [stderr] 105 | return Err(ReelOverflow::new("Overflow", stops.to_vec()));; [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_reel_window` [INFO] [stderr] --> src/reel.rs:218:1 [INFO] [stderr] | [INFO] [stderr] 218 | pub fn get_reel_window(rs: ReelSet, window_height: usize, reelstops: &[usize]) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_reelstops_range` [INFO] [stderr] --> src/reel.rs:242:1 [INFO] [stderr] | [INFO] [stderr] 242 | pub fn get_reelstops_range(pos_start: &[usize], reel_length: &[usize], amount: usize) -> Result<(Vec, Vec), ReelOverflow> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `SymbolSet` [INFO] [stderr] --> src/symbol.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub type SymbolSet = Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_symbol_set_from_file` [INFO] [stderr] --> src/symbol.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn create_symbol_set_from_file(path: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `LineSet` [INFO] [stderr] --> src/lines.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub type LineSet = Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_winlines_from_file` [INFO] [stderr] --> src/lines.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn create_winlines_from_file(path: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `GameResult` [INFO] [stderr] --> src/main.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_results` [INFO] [stderr] --> src/main.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | reel::increment_reelstops_amount(&mut reels, &lenghts, 30); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window` [INFO] [stderr] --> src/main.rs:34:9 [INFO] [stderr] | [INFO] [stderr] 34 | let window = get_reel_window(rs, 3, &reelstops); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_window` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `reelstops` [INFO] [stderr] --> src/main.rs:31:22 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_reelstops` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rs` [INFO] [stderr] --> src/main.rs:31:43 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_rs` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `symbols` [INFO] [stderr] --> src/main.rs:31:56 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_symbols` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `lines` [INFO] [stderr] --> src/main.rs:31:76 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_lines` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_reel_window` [INFO] [stderr] --> src/reel.rs:218:1 [INFO] [stderr] | [INFO] [stderr] 218 | pub fn get_reel_window(rs: ReelSet, window_height: usize, reelstops: &[usize]) -> Vec> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `SymbolSet` [INFO] [stderr] --> src/symbol.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub type SymbolSet = Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_symbol_set_from_file` [INFO] [stderr] --> src/symbol.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | pub fn create_symbol_set_from_file(path: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `LineSet` [INFO] [stderr] --> src/lines.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub type LineSet = Vec; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_winlines_from_file` [INFO] [stderr] --> src/lines.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | pub fn create_winlines_from_file(path: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `GameResult` [INFO] [stderr] --> src/main.rs:27:1 [INFO] [stderr] | [INFO] [stderr] 27 | struct GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_results` [INFO] [stderr] --> src/main.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | reel::increment_reelstops_amount(&mut reels, &lenghts, 30); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `"docker" "inspect" "5b9513e411f5348f9d1024b043135b68ffe701a7ca3946a7f9a8b33548deea2a"` [INFO] running `"docker" "rm" "-f" "5b9513e411f5348f9d1024b043135b68ffe701a7ca3946a7f9a8b33548deea2a"` [INFO] [stdout] 5b9513e411f5348f9d1024b043135b68ffe701a7ca3946a7f9a8b33548deea2a