[INFO] crate bmidi 0.0.2 is already in cache
[INFO] extracting crate bmidi 0.0.2 into work/ex/clippy-test-run/sources/stable/reg/bmidi/0.0.2
[INFO] extracting crate bmidi 0.0.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bmidi/0.0.2
[INFO] validating manifest of bmidi-0.0.2 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 bmidi-0.0.2 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 bmidi-0.0.2
[INFO] finished frobbing bmidi-0.0.2
[INFO] frobbed toml for bmidi-0.0.2 written to work/ex/clippy-test-run/sources/stable/reg/bmidi/0.0.2/Cargo.toml
[INFO] started frobbing bmidi-0.0.2
[INFO] finished frobbing bmidi-0.0.2
[INFO] frobbed toml for bmidi-0.0.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/bmidi/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 bmidi-0.0.2 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/reg/bmidi/0.0.2:/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] 6fcf5441556b463fd5380376008d692dd9c1c09825994b6496d001f6366441a5
[INFO] running `"docker" "start" "-a" "6fcf5441556b463fd5380376008d692dd9c1c09825994b6496d001f6366441a5"`
[INFO] [stderr]     Checking pitch_calc v0.11.1
[INFO] [stderr]     Checking bmidi v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/parser.rs:76:16
[INFO] [stderr]    |
[INFO] [stderr] 76 |         File { format: format, division: division, tracks: tracks }
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: replace it with: `format`
[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/parser.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |         File { format: format, division: division, tracks: tracks }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^ help: replace it with: `division`
[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/parser.rs:76:52
[INFO] [stderr]    |
[INFO] [stderr] 76 |         File { format: format, division: division, tracks: tracks }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: replace it with: `tracks`
[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/reader.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             reader: reader,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `reader`
[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/reader.rs:161:22
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Key {typ: typ, note: note, velocity: velocity}
[INFO] [stderr]     |                      ^^^^^^^^ help: replace it with: `typ`
[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/reader.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Key {typ: typ, note: note, velocity: velocity}
[INFO] [stderr]     |                                ^^^^^^^^^^ help: replace it with: `note`
[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/reader.rs:161:44
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Key {typ: typ, note: note, velocity: velocity}
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: replace it with: `velocity`
[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/reader.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     Meta { typ: typ, data: data }
[INFO] [stderr]     |                            ^^^^^^^^ help: replace it with: `typ`
[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/reader.rs:190:38
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     Meta { typ: typ, data: data }
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: replace it with: `data`
[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/combined_iterator.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     iter: iter
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace it with: `iter`
[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/combined_iterator.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             states: states,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `states`
[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/combined_iterator.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             heap: heap
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `heap`
[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/parser.rs:76:16
[INFO] [stderr]    |
[INFO] [stderr] 76 |         File { format: format, division: division, tracks: tracks }
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: replace it with: `format`
[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/parser.rs:76:32
[INFO] [stderr]    |
[INFO] [stderr] 76 |         File { format: format, division: division, tracks: tracks }
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^ help: replace it with: `division`
[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/parser.rs:76:52
[INFO] [stderr]    |
[INFO] [stderr] 76 |         File { format: format, division: division, tracks: tracks }
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: replace it with: `tracks`
[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/reader.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |             reader: reader,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `reader`
[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/reader.rs:161:22
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Key {typ: typ, note: note, velocity: velocity}
[INFO] [stderr]     |                      ^^^^^^^^ help: replace it with: `typ`
[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/reader.rs:161:32
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Key {typ: typ, note: note, velocity: velocity}
[INFO] [stderr]     |                                ^^^^^^^^^^ help: replace it with: `note`
[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/reader.rs:161:44
[INFO] [stderr]     |
[INFO] [stderr] 161 |                 Key {typ: typ, note: note, velocity: velocity}
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^ help: replace it with: `velocity`
[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/reader.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     Meta { typ: typ, data: data }
[INFO] [stderr]     |                            ^^^^^^^^ help: replace it with: `typ`
[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/reader.rs:190:38
[INFO] [stderr]     |
[INFO] [stderr] 190 |                     Meta { typ: typ, data: data }
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: replace it with: `data`
[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/combined_iterator.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |                     iter: iter
[INFO] [stderr]    |                     ^^^^^^^^^^ help: replace it with: `iter`
[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/combined_iterator.rs:44:13
[INFO] [stderr]    |
[INFO] [stderr] 44 |             states: states,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `states`
[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/combined_iterator.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             heap: heap
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `heap`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/parser.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let ref track = self.tracks[index];
[INFO] [stderr]    |         ----^^^^^^^^^---------------------- help: try: `let track = &self.tracks[index];`
[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] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/parser.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let iter = track.into_iter().map(|x| *x);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `track.into_iter().cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/parser.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let iter = track.into_iter().map(|x| *x);
[INFO] [stderr]    |                          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/parser.rs:54:24
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let division = reader.read_short() as u32;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(reader.read_short())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Ok((res[0] as u16) << 8 | (res[1] as u16))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: try: `u16::from(res[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Ok((res[0] as u16) << 8 | (res[1] as u16))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^ help: try: `u16::from(res[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Ok((((res[0] as u32) << 8
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: try: `u32::from(res[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |           | (res[1] as u32)) << 8
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: try: `u32::from(res[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |           | (res[2] as u32)) << 8
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: try: `u32::from(res[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |           | (res[3] as u32))
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: try: `u32::from(res[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let next_byte = u32::from(match $ expr {
[INFO] [stderr] 44 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 45 | :: Err ( err ) => {
[INFO] [stderr] 46 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 47 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/reader.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             self.running_status;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/reader.rs:174:25
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 value: ((first_byte as u16) << 7) | self.read_byte() as u16
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(first_byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/reader.rs:174:53
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 value: ((first_byte as u16) << 7) | self.read_byte() as u16
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_byte())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/note.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn to_step(&self) -> Step {
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/note.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Step(self.0 as f32)
[INFO] [stderr]    |              ^^^^^^^^^^^^^ help: try: `f32::from(self.0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/combined_iterator.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let state = self.states.get_mut(item.track).unwrap();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.states[item.track]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/parser.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let ref track = self.tracks[index];
[INFO] [stderr]    |         ----^^^^^^^^^---------------------- help: try: `let track = &self.tracks[index];`
[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] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/parser.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let iter = track.into_iter().map(|x| *x);
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `track.into_iter().cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/parser.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let iter = track.into_iter().map(|x| *x);
[INFO] [stderr]    |                          ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/parser.rs:54:24
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let division = reader.read_short() as u32;
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(reader.read_short())`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Ok((res[0] as u16) << 8 | (res[1] as u16))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^ help: try: `u16::from(res[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |         Ok((res[0] as u16) << 8 | (res[1] as u16))
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^ help: try: `u16::from(res[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:33:14
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Ok((((res[0] as u32) << 8
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: try: `u32::from(res[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |           | (res[1] as u32)) << 8
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: try: `u32::from(res[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |           | (res[2] as u32)) << 8
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: try: `u32::from(res[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |           | (res[3] as u32))
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: try: `u32::from(res[3])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/reader.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let next_byte = try!(self.read_byte()) as u32;
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 43 |             let next_byte = u32::from(match $ expr {
[INFO] [stderr] 44 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 45 | :: Err ( err ) => {
[INFO] [stderr] 46 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 47 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: statement with no effect
[INFO] [stderr]    --> src/reader.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             self.running_status;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::no_effect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#no_effect
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/reader.rs:174:25
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 value: ((first_byte as u16) << 7) | self.read_byte() as u16
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(first_byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/reader.rs:174:53
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 value: ((first_byte as u16) << 7) | self.read_byte() as u16
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.read_byte())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/note.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn to_step(&self) -> Step {
[INFO] [stderr]    |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/note.rs:16:14
[INFO] [stderr]    |
[INFO] [stderr] 16 |         Step(self.0 as f32)
[INFO] [stderr]    |              ^^^^^^^^^^^^^ help: try: `f32::from(self.0)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/combined_iterator.rs:55:25
[INFO] [stderr]    |
[INFO] [stderr] 55 |             let state = self.states.get_mut(item.track).unwrap();
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.states[item.track]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.84s
[INFO] running `"docker" "inspect" "6fcf5441556b463fd5380376008d692dd9c1c09825994b6496d001f6366441a5"`
[INFO] running `"docker" "rm" "-f" "6fcf5441556b463fd5380376008d692dd9c1c09825994b6496d001f6366441a5"`
[INFO] [stdout] 6fcf5441556b463fd5380376008d692dd9c1c09825994b6496d001f6366441a5