[INFO] updating cached repository AzenForze/RankedPairs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AzenForze/RankedPairs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AzenForze/RankedPairs" "work/ex/clippy-test-run/sources/stable/gh/AzenForze/RankedPairs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/AzenForze/RankedPairs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AzenForze/RankedPairs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AzenForze/RankedPairs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AzenForze/RankedPairs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 740b4c8508d02a8238a64e8c1ce77c7ab22c5723
[INFO] sha for GitHub repo AzenForze/RankedPairs: 740b4c8508d02a8238a64e8c1ce77c7ab22c5723
[INFO] validating manifest of AzenForze/RankedPairs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of AzenForze/RankedPairs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing AzenForze/RankedPairs
[INFO] finished frobbing AzenForze/RankedPairs
[INFO] frobbed toml for AzenForze/RankedPairs written to work/ex/clippy-test-run/sources/stable/gh/AzenForze/RankedPairs/Cargo.toml
[INFO] started frobbing AzenForze/RankedPairs
[INFO] finished frobbing AzenForze/RankedPairs
[INFO] frobbed toml for AzenForze/RankedPairs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/AzenForze/RankedPairs/Cargo.toml
[INFO] crate AzenForze/RankedPairs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting AzenForze/RankedPairs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/AzenForze/RankedPairs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 13e716e7e6ec999228cc916fa392489468f5c89f77674817217f57beb2e47f21
[INFO] running `"docker" "start" "-a" "13e716e7e6ec999228cc916fa392489468f5c89f77674817217f57beb2e47f21"`
[INFO] [stderr]     Checking ranked_pairs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/ranked_pairs.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |         RankedPairs{ sum_matrix: sum_matrix, strength_type: strength_type }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `sum_matrix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/ranked_pairs.rs:24:46
[INFO] [stderr]    |
[INFO] [stderr] 24 |         RankedPairs{ sum_matrix: sum_matrix, strength_type: strength_type }
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `strength_type`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Matchup { first: first, second: second, first_wins: 0, second_wins: 0 }
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: replace it with: `first`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Matchup { first: first, second: second, first_wins: 0, second_wins: 0 }
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: replace it with: `second`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup.rs:67:23
[INFO] [stderr]    |
[INFO] [stderr] 67 |         MatchupError{ description: description }
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: replace it with: `winner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:40
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: replace it with: `loser`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:54
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                                      ^^^^^^^^^^ help: replace it with: `wins`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:66
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^ help: replace it with: `loses`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:80
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `use_margin`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/graph.rs:134:27
[INFO] [stderr]     |
[INFO] [stderr] 134 |         EmptyGraphError { description: description }
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:117:62
[INFO] [stderr]     |
[INFO] [stderr] 117 |             TableEntry::Occupied( OccupiedEntry { map: self, row: row, column: column  } )
[INFO] [stderr]     |                                                              ^^^^^^^^ help: replace it with: `row`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:117:72
[INFO] [stderr]     |
[INFO] [stderr] 117 |             TableEntry::Occupied( OccupiedEntry { map: self, row: row, column: column  } )
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^ help: replace it with: `column`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:120:58
[INFO] [stderr]     |
[INFO] [stderr] 120 |             TableEntry::Vacant( VacantEntry { map: self, row: row, column: column } )
[INFO] [stderr]     |                                                          ^^^^^^^^ help: replace it with: `row`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:120:68
[INFO] [stderr]     |
[INFO] [stderr] 120 |             TableEntry::Vacant( VacantEntry { map: self, row: row, column: column } )
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^ help: replace it with: `column`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/ranked_pairs.rs:24:22
[INFO] [stderr]    |
[INFO] [stderr] 24 |         RankedPairs{ sum_matrix: sum_matrix, strength_type: strength_type }
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `sum_matrix`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/ranked_pairs.rs:24:46
[INFO] [stderr]    |
[INFO] [stderr] 24 |         RankedPairs{ sum_matrix: sum_matrix, strength_type: strength_type }
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `strength_type`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Matchup { first: first, second: second, first_wins: 0, second_wins: 0 }
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: replace it with: `first`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup.rs:20:33
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Matchup { first: first, second: second, first_wins: 0, second_wins: 0 }
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: replace it with: `second`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup.rs:67:23
[INFO] [stderr]    |
[INFO] [stderr] 67 |         MatchupError{ description: description }
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:24
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: replace it with: `winner`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:40
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                        ^^^^^^^^^^^^ help: replace it with: `loser`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:54
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                                      ^^^^^^^^^^ help: replace it with: `wins`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:66
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^ help: replace it with: `loses`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/matchup_result.rs:68:80
[INFO] [stderr]    |
[INFO] [stderr] 68 |         MatchupResult{ winner: winner, loser: loser, wins: wins, loses: loses, use_margin: use_margin }
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `use_margin`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/graph.rs:134:27
[INFO] [stderr]     |
[INFO] [stderr] 134 |         EmptyGraphError { description: description }
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:117:62
[INFO] [stderr]     |
[INFO] [stderr] 117 |             TableEntry::Occupied( OccupiedEntry { map: self, row: row, column: column  } )
[INFO] [stderr]     |                                                              ^^^^^^^^ help: replace it with: `row`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:117:72
[INFO] [stderr]     |
[INFO] [stderr] 117 |             TableEntry::Occupied( OccupiedEntry { map: self, row: row, column: column  } )
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^ help: replace it with: `column`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:120:58
[INFO] [stderr]     |
[INFO] [stderr] 120 |             TableEntry::Vacant( VacantEntry { map: self, row: row, column: column } )
[INFO] [stderr]     |                                                          ^^^^^^^^ help: replace it with: `row`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/table.rs:120:68
[INFO] [stderr]     |
[INFO] [stderr] 120 |             TableEntry::Vacant( VacantEntry { map: self, row: row, column: column } )
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^ help: replace it with: `column`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/election.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         return &self.ballots[..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.ballots[..]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/election.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/sum_matrix.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return sum_matrix;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `sum_matrix`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/ranked_pairs.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return ranked_pairs;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ranked_pairs`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             return Ok(());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             return Ok(());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             return Err(MatchupError::new("Winner wasn't in matchup".to_owned()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(MatchupError::new("Winner wasn't in matchup".to_owned()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         return &self.description;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.description`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 return Some(Ordering::Less);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Less)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 return Some(Ordering::Greater);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Greater)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 return Some(Ordering::Equal);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Equal)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 return Some(Ordering::Less);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Less)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 return Some(Ordering::Greater);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Greater)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 return Some(Ordering::Equal);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Equal)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/matchup_result.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |           else {
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 48 | |             if self.wins < other.wins
[INFO] [stderr] 49 | |             {
[INFO] [stderr] 50 | |                 return Some(Ordering::Less);
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |             }
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 47 |         else if self.wins < other.wins
[INFO] [stderr] 48 | {
[INFO] [stderr] 49 |     return Some(Ordering::Less);
[INFO] [stderr] 50 | }
[INFO] [stderr] 51 | else if self.wins > other.wins
[INFO] [stderr] 52 | {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return Graph(HashMap::new());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Graph(HashMap::new())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         return Ok(any.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(any.clone())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | /         return match map.get(node)
[INFO] [stderr] 83 | |         {
[INFO] [stderr] 84 | |             Some(neighbors) => neighbors.iter(),
[INFO] [stderr] 85 | |             None => [].iter()
[INFO] [stderr] 86 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 82 |         match map.get(node)
[INFO] [stderr] 83 |         {
[INFO] [stderr] 84 |             Some(neighbors) => neighbors.iter(),
[INFO] [stderr] 85 |             None => [].iter()
[INFO] [stderr] 86 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/graph.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         return &self.description;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.description`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/dfs/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return Some(n);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(n)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/election.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         return &self.ballots[..];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.ballots[..]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/election.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         return Ok(());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/sum_matrix.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         return sum_matrix;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `sum_matrix`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/ranked_pairs.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return ranked_pairs;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `ranked_pairs`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             return Ok(());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |             return Ok(());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             return Err(MatchupError::new("Winner wasn't in matchup".to_owned()));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err(MatchupError::new("Winner wasn't in matchup".to_owned()))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         return &self.description;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.description`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |                 return Some(Ordering::Less);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Less)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |                 return Some(Ordering::Greater);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Greater)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 return Some(Ordering::Equal);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Equal)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 return Some(Ordering::Less);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Less)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 return Some(Ordering::Greater);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Greater)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 return Some(Ordering::Equal);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Ordering::Equal)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/matchup_result.rs:47:14
[INFO] [stderr]    |
[INFO] [stderr] 47 |           else {
[INFO] [stderr]    |  ______________^
[INFO] [stderr] 48 | |             if self.wins < other.wins
[INFO] [stderr] 49 | |             {
[INFO] [stderr] 50 | |                 return Some(Ordering::Less);
[INFO] [stderr] ...  |
[INFO] [stderr] 58 | |             }
[INFO] [stderr] 59 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 47 |         else if self.wins < other.wins
[INFO] [stderr] 48 | {
[INFO] [stderr] 49 |     return Some(Ordering::Less);
[INFO] [stderr] 50 | }
[INFO] [stderr] 51 | else if self.wins > other.wins
[INFO] [stderr] 52 | {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/matchup_result.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         return Graph(HashMap::new());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Graph(HashMap::new())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         return Ok(any.clone());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(any.clone())`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |         return false;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/graph.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 | /         return match map.get(node)
[INFO] [stderr] 83 | |         {
[INFO] [stderr] 84 | |             Some(neighbors) => neighbors.iter(),
[INFO] [stderr] 85 | |             None => [].iter()
[INFO] [stderr] 86 | |         };
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 82 |         match map.get(node)
[INFO] [stderr] 83 |         {
[INFO] [stderr] 84 |             Some(neighbors) => neighbors.iter(),
[INFO] [stderr] 85 |             None => [].iter()
[INFO] [stderr] 86 |         }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/graph.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         return &self.description;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `&self.description`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/dfs/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         return Some(n);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(n)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `or_insert`
[INFO] [stderr]    --> src/table.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
[INFO] [stderr] 164 | |         where
[INFO] [stderr] 165 | |         R: Borrow<Q>,
[INFO] [stderr] 166 | |         C: Borrow<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 174 | |         }
[INFO] [stderr] 175 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/election.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     if amount_str.len() == 0 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `amount_str.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/election.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |               if let Some(_) = parts.next()
[INFO] [stderr]    |  _____________-      ^^^^^^^
[INFO] [stderr] 69 | |             {
[INFO] [stderr] 70 | |                 return Err(ElectionParseError::ExcessDataError);
[INFO] [stderr] 71 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if parts.next().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/sum_matrix.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn add_vote(&mut self, vote: &Vec<Vec<String>>)
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<String>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `vote`.
[INFO] [stderr]   --> src/sum_matrix.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 for j in (i+1)..vote.len()
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 for <item> in vote.iter().skip((i+1))
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/sum_matrix.rs:45:37
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn add_win(&mut self, for_cand: &String, against_cand: &String)
[INFO] [stderr]    |                                     ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/sum_matrix.rs:45:60
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn add_win(&mut self, for_cand: &String, against_cand: &String)
[INFO] [stderr]    |                                                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: module `RankedPairsTests` should have a snake case name such as `ranked_pairs_tests`
[INFO] [stderr]    --> src/ranked_pairs.rs:110:1
[INFO] [stderr]     |
[INFO] [stderr] 110 | / mod RankedPairsTests
[INFO] [stderr] 111 | | {
[INFO] [stderr] 112 | |     use super::*;
[INFO] [stderr] 113 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 180 | |     }
[INFO] [stderr] 181 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/graph.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |         map.entry(from).or_insert(Vec::new()).push(to);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/graph.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let ref neighbors = graph[any];
[INFO] [stderr]    |             ----^^^^^^^^^^^^^-------------- help: try: `let neighbors = &graph[any];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]   --> src/graph.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         if map.len() <= 0
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]    = help: because 0 is the minimum value for this type, the case where the two sides are not equal never occurs, consider using map.len() == 0 instead
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ranked_pairs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: method is never used: `or_insert`
[INFO] [stderr]    --> src/table.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 | /     pub fn or_insert(self, val: V) -> &'a mut V
[INFO] [stderr] 164 | |         where
[INFO] [stderr] 165 | |         R: Borrow<Q>,
[INFO] [stderr] 166 | |         C: Borrow<U>,
[INFO] [stderr] ...   |
[INFO] [stderr] 174 | |         }
[INFO] [stderr] 175 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/election.rs:53:24
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     if amount_str.len() == 0 {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `amount_str.is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]   --> src/election.rs:68:20
[INFO] [stderr]    |
[INFO] [stderr] 68 |               if let Some(_) = parts.next()
[INFO] [stderr]    |  _____________-      ^^^^^^^
[INFO] [stderr] 69 | |             {
[INFO] [stderr] 70 | |                 return Err(ElectionParseError::ExcessDataError);
[INFO] [stderr] 71 | |             }
[INFO] [stderr]    | |_____________- help: try this: `if parts.next().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/sum_matrix.rs:28:38
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn add_vote(&mut self, vote: &Vec<Vec<String>>)
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: change this to: `&[Vec<String>]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is only used to index `vote`.
[INFO] [stderr]   --> src/sum_matrix.rs:34:26
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 for j in (i+1)..vote.len()
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 for <item> in vote.iter().skip((i+1))
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/sum_matrix.rs:45:37
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn add_win(&mut self, for_cand: &String, against_cand: &String)
[INFO] [stderr]    |                                     ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/sum_matrix.rs:45:60
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn add_win(&mut self, for_cand: &String, against_cand: &String)
[INFO] [stderr]    |                                                            ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]   --> src/graph.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |         map.entry(from).or_insert(Vec::new()).push(to);
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/graph.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let ref neighbors = graph[any];
[INFO] [stderr]    |             ----^^^^^^^^^^^^^-------------- help: try: `let neighbors = &graph[any];`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: this comparison involving the minimum or maximum element for this type contains a case that is always true or always false
[INFO] [stderr]   --> src/graph.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         if map.len() <= 0
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::absurd_extreme_comparisons)] on by default
[INFO] [stderr]    = help: because 0 is the minimum value for this type, the case where the two sides are not equal never occurs, consider using map.len() == 0 instead
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#absurd_extreme_comparisons
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ranked_pairs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "13e716e7e6ec999228cc916fa392489468f5c89f77674817217f57beb2e47f21"`
[INFO] running `"docker" "rm" "-f" "13e716e7e6ec999228cc916fa392489468f5c89f77674817217f57beb2e47f21"`
[INFO] [stdout] 13e716e7e6ec999228cc916fa392489468f5c89f77674817217f57beb2e47f21