[INFO] updating cached repository https://github.com/tristanred/slots_verifier [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] efbe463ce38f36f0955ecfce86269984ffb9e9bd [INFO] checking tristanred/slots_verifier against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristanred%2Fslots_verifier" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tristanred/slots_verifier on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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 /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/tristanred/slots_verifier already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 23437b02a10cf6ad43435f0e86f44c37592d9fc0a5518147f7054342f1c9d0fa [INFO] running `"docker" "start" "-a" "23437b02a10cf6ad43435f0e86f44c37592d9fc0a5518147f7054342f1c9d0fa"` [INFO] [stderr] Checking slot_verifier v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/reel.rs:107:63 [INFO] [stderr] | [INFO] [stderr] 107 | 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:26:5 [INFO] [stderr] | [INFO] [stderr] 24 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 25 | [INFO] [stderr] 26 | let window = get_reel_window(rs, 3, &reelstops); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/reel.rs:107:63 [INFO] [stderr] | [INFO] [stderr] 107 | return Err(ReelOverflow::new("Overflow", stops.to_vec()));; [INFO] [stderr] | --------------------------------------------------------- ^ unreachable statement [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window` [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | 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:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | 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:23:43 [INFO] [stderr] | [INFO] [stderr] 23 | 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:23:56 [INFO] [stderr] | [INFO] [stderr] 23 | 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:23:76 [INFO] [stderr] | [INFO] [stderr] 23 | 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: unused variable: `remainder` [INFO] [stderr] --> src/reel.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | let remainder = total_length % splits_amount; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_remainder` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/reel.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn iter(&self) -> ReelSetIter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_reelset_from_file` [INFO] [stderr] --> src/reel.rs:66:1 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn create_reelset_from_file(path: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `increment_reelstops_amount` [INFO] [stderr] --> src/reel.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn increment_reelstops_amount(stops: &mut [usize], end_stops: &[usize], amount: usize) -> Result<(), ReelOverflow> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_reel_window` [INFO] [stderr] --> src/reel.rs:221:1 [INFO] [stderr] | [INFO] [stderr] 221 | pub fn get_reel_window(rs: ReelSet, window_height: usize, reelstops: &[usize]) -> Vec> { [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:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | struct GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_results` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/reel.rs:107:63 [INFO] [stderr] | [INFO] [stderr] 107 | 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:26:5 [INFO] [stderr] | [INFO] [stderr] 24 | unimplemented!(); [INFO] [stderr] | ----------------- any code following this expression is unreachable [INFO] [stderr] 25 | [INFO] [stderr] 26 | let window = get_reel_window(rs, 3, &reelstops); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/reel.rs:107:63 [INFO] [stderr] | [INFO] [stderr] 107 | return Err(ReelOverflow::new("Overflow", stops.to_vec()));; [INFO] [stderr] | --------------------------------------------------------- ^ unreachable statement [INFO] [stderr] | | [INFO] [stderr] | any code following this expression is unreachable [INFO] [stderr] [INFO] [stderr] warning: unused variable: `window` [INFO] [stderr] --> src/main.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | 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:23:22 [INFO] [stderr] | [INFO] [stderr] 23 | 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:23:43 [INFO] [stderr] | [INFO] [stderr] 23 | 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:23:56 [INFO] [stderr] | [INFO] [stderr] 23 | 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:23:76 [INFO] [stderr] | [INFO] [stderr] 23 | 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: unused variable: `remainder` [INFO] [stderr] --> src/reel.rs:283:9 [INFO] [stderr] | [INFO] [stderr] 283 | let remainder = total_length % splits_amount; [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_remainder` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `iter` [INFO] [stderr] --> src/reel.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn iter(&self) -> ReelSetIter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_reelset_from_file` [INFO] [stderr] --> src/reel.rs:66:1 [INFO] [stderr] | [INFO] [stderr] 66 | pub fn create_reelset_from_file(path: &str) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_reel_window` [INFO] [stderr] --> src/reel.rs:221:1 [INFO] [stderr] | [INFO] [stderr] 221 | pub fn get_reel_window(rs: ReelSet, window_height: usize, reelstops: &[usize]) -> Vec> { [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:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | struct GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `calculate_results` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | fn calculate_results(reelstops: &[usize], rs: ReelSet, symbols: SymbolSet, lines: LineSet) -> GameResult { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `"docker" "inspect" "23437b02a10cf6ad43435f0e86f44c37592d9fc0a5518147f7054342f1c9d0fa"` [INFO] running `"docker" "rm" "-f" "23437b02a10cf6ad43435f0e86f44c37592d9fc0a5518147f7054342f1c9d0fa"` [INFO] [stdout] 23437b02a10cf6ad43435f0e86f44c37592d9fc0a5518147f7054342f1c9d0fa