[INFO] crate wmidi 1.1.0 is already in cache
[INFO] extracting crate wmidi 1.1.0 into work/ex/clippy-test-run/sources/stable/reg/wmidi/1.1.0
[INFO] extracting crate wmidi 1.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wmidi/1.1.0
[INFO] validating manifest of wmidi-1.1.0 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 wmidi-1.1.0 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 wmidi-1.1.0
[INFO] finished frobbing wmidi-1.1.0
[INFO] frobbed toml for wmidi-1.1.0 written to work/ex/clippy-test-run/sources/stable/reg/wmidi/1.1.0/Cargo.toml
[INFO] started frobbing wmidi-1.1.0
[INFO] finished frobbing wmidi-1.1.0
[INFO] frobbed toml for wmidi-1.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wmidi/1.1.0/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 wmidi-1.1.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wmidi/1.1.0:/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 -Dclippy::into_iter_on_array" "-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] 128274fca2143a85350be6b6cb49aa2c7d13f4539bf5fbfd205605f170c3ee5d
[INFO] running `"docker" "start" "-a" "128274fca2143a85350be6b6cb49aa2c7d13f4539bf5fbfd205605f170c3ee5d"`
[INFO] [stderr]     Checking wmidi v1.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 | /         match self {
[INFO] [stderr] 194 | |             &MidiMessage::NoteOff(..) => 3,
[INFO] [stderr] 195 | |             &MidiMessage::NoteOn(..) => 3,
[INFO] [stderr] 196 | |             &MidiMessage::PolyphonicKeyPressure(..) => 3,
[INFO] [stderr] ...   |
[INFO] [stderr] 212 | |             &MidiMessage::Reset => 1,
[INFO] [stderr] 213 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 193 |         match *self {
[INFO] [stderr] 194 |             MidiMessage::NoteOff(..) => 3,
[INFO] [stderr] 195 |             MidiMessage::NoteOn(..) => 3,
[INFO] [stderr] 196 |             MidiMessage::PolyphonicKeyPressure(..) => 3,
[INFO] [stderr] 197 |             MidiMessage::ControlChange(..) => 3,
[INFO] [stderr] 198 |             MidiMessage::ProgramChange(..) => 2,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 | /         match self {
[INFO] [stderr] 220 | |             &MidiMessage::NoteOff(c, ..) => Some(c),
[INFO] [stderr] 221 | |             &MidiMessage::NoteOn(c, ..) => Some(c),
[INFO] [stderr] 222 | |             &MidiMessage::PolyphonicKeyPressure(c, ..) => Some(c),
[INFO] [stderr] ...   |
[INFO] [stderr] 227 | |             _ => None,
[INFO] [stderr] 228 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 219 |         match *self {
[INFO] [stderr] 220 |             MidiMessage::NoteOff(c, ..) => Some(c),
[INFO] [stderr] 221 |             MidiMessage::NoteOn(c, ..) => Some(c),
[INFO] [stderr] 222 |             MidiMessage::PolyphonicKeyPressure(c, ..) => Some(c),
[INFO] [stderr] 223 |             MidiMessage::ControlChange(c, ..) => Some(c),
[INFO] [stderr] 224 |             MidiMessage::ProgramChange(c, ..) => Some(c),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 | /         match self {
[INFO] [stderr] 234 | |             &MidiMessage::NoteOff(a, b, c) => w.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 235 | |             &MidiMessage::NoteOn(a, b, c) => w.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 236 | |             &MidiMessage::PolyphonicKeyPressure(a, b, c) => w.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] ...   |
[INFO] [stderr] 262 | |             &MidiMessage::Reset => w.write(&[0xFF]),
[INFO] [stderr] 263 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 233 |         match *self {
[INFO] [stderr] 234 |             MidiMessage::NoteOff(a, b, c) => w.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 235 |             MidiMessage::NoteOn(a, b, c) => w.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 236 |             MidiMessage::PolyphonicKeyPressure(a, b, c) => w.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] 237 |             MidiMessage::ControlChange(a, b, c) => w.write(&[0xB0 | a.index(), b, c]),
[INFO] [stderr] 238 |             MidiMessage::ProgramChange(a, b) => w.write(&[0xC0 | a.index(), b]),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:241:17
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 w.write(&[0xE0 | a.index()])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 w.write(&[0xF0])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 w.write(b)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:251:17
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 w.write(&[0xF2])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 | /         match self {
[INFO] [stderr] 270 | |             &mut MidiMessage::NoteOff(a, b, c) => buf.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 271 | |             &mut MidiMessage::NoteOn(a, b, c) => buf.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 272 | |             &mut MidiMessage::PolyphonicKeyPressure(a, b, c) => buf.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] ...   |
[INFO] [stderr] 298 | |             &mut MidiMessage::Reset => buf.write(&[0xFF]),
[INFO] [stderr] 299 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 269 |         match *self {
[INFO] [stderr] 270 |             MidiMessage::NoteOff(a, b, c) => buf.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 271 |             MidiMessage::NoteOn(a, b, c) => buf.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 272 |             MidiMessage::PolyphonicKeyPressure(a, b, c) => buf.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] 273 |             MidiMessage::ControlChange(a, b, c) => buf.write(&[0xB0 | a.index(), b, c]),
[INFO] [stderr] 274 |             MidiMessage::ProgramChange(a, b) => buf.write(&[0xC0 | a.index(), b]),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:277:17
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 buf.write(&[0xE0 | a.index()])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:281:17
[INFO] [stderr]     |
[INFO] [stderr] 281 |                 buf.write(&[0xF0])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 buf.write(b)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:287:17
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 buf.write(&[0xF2])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:410:18
[INFO] [stderr]     |
[INFO] [stderr] 410 |     pub fn index(&self) -> u8 {
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 | /         match self {
[INFO] [stderr] 412 | |             &Channel::Ch1 => 0,
[INFO] [stderr] 413 | |             &Channel::Ch2 => 1,
[INFO] [stderr] 414 | |             &Channel::Ch3 => 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |             &Channel::Ch16 => 15,
[INFO] [stderr] 428 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 411 |         match *self {
[INFO] [stderr] 412 |             Channel::Ch1 => 0,
[INFO] [stderr] 413 |             Channel::Ch2 => 1,
[INFO] [stderr] 414 |             Channel::Ch3 => 2,
[INFO] [stderr] 415 |             Channel::Ch4 => 3,
[INFO] [stderr] 416 |             Channel::Ch5 => 4,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:433:19
[INFO] [stderr]     |
[INFO] [stderr] 433 |     pub fn number(&self) -> u8 { self.index() + 1 }
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:437:49
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn combine_data(lower: U7, higher: U7) -> U14 { (lower as U14) + 128 * (higher as U14) }
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^ help: try: `u16::from(lower)`
[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/lib.rs:437:72
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn combine_data(lower: U7, higher: U7) -> U14 { (lower as U14) + 128 * (higher as U14) }
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^ help: try: `u16::from(higher)`
[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/lib.rs:446:23
[INFO] [stderr]     |
[INFO] [stderr] 446 | fn valid_data_byte(b: &u8) -> Result<U7, Error> {
[INFO] [stderr]     |                       ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]     |
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:447:13
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let x = b.clone();
[INFO] [stderr]     |             ^^^^^^^^^ help: try dereferencing it: `*b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `wmidi`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:193:9
[INFO] [stderr]     |
[INFO] [stderr] 193 | /         match self {
[INFO] [stderr] 194 | |             &MidiMessage::NoteOff(..) => 3,
[INFO] [stderr] 195 | |             &MidiMessage::NoteOn(..) => 3,
[INFO] [stderr] 196 | |             &MidiMessage::PolyphonicKeyPressure(..) => 3,
[INFO] [stderr] ...   |
[INFO] [stderr] 212 | |             &MidiMessage::Reset => 1,
[INFO] [stderr] 213 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 193 |         match *self {
[INFO] [stderr] 194 |             MidiMessage::NoteOff(..) => 3,
[INFO] [stderr] 195 |             MidiMessage::NoteOn(..) => 3,
[INFO] [stderr] 196 |             MidiMessage::PolyphonicKeyPressure(..) => 3,
[INFO] [stderr] 197 |             MidiMessage::ControlChange(..) => 3,
[INFO] [stderr] 198 |             MidiMessage::ProgramChange(..) => 2,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:219:9
[INFO] [stderr]     |
[INFO] [stderr] 219 | /         match self {
[INFO] [stderr] 220 | |             &MidiMessage::NoteOff(c, ..) => Some(c),
[INFO] [stderr] 221 | |             &MidiMessage::NoteOn(c, ..) => Some(c),
[INFO] [stderr] 222 | |             &MidiMessage::PolyphonicKeyPressure(c, ..) => Some(c),
[INFO] [stderr] ...   |
[INFO] [stderr] 227 | |             _ => None,
[INFO] [stderr] 228 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 219 |         match *self {
[INFO] [stderr] 220 |             MidiMessage::NoteOff(c, ..) => Some(c),
[INFO] [stderr] 221 |             MidiMessage::NoteOn(c, ..) => Some(c),
[INFO] [stderr] 222 |             MidiMessage::PolyphonicKeyPressure(c, ..) => Some(c),
[INFO] [stderr] 223 |             MidiMessage::ControlChange(c, ..) => Some(c),
[INFO] [stderr] 224 |             MidiMessage::ProgramChange(c, ..) => Some(c),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 | /         match self {
[INFO] [stderr] 234 | |             &MidiMessage::NoteOff(a, b, c) => w.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 235 | |             &MidiMessage::NoteOn(a, b, c) => w.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 236 | |             &MidiMessage::PolyphonicKeyPressure(a, b, c) => w.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] ...   |
[INFO] [stderr] 262 | |             &MidiMessage::Reset => w.write(&[0xFF]),
[INFO] [stderr] 263 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 233 |         match *self {
[INFO] [stderr] 234 |             MidiMessage::NoteOff(a, b, c) => w.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 235 |             MidiMessage::NoteOn(a, b, c) => w.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 236 |             MidiMessage::PolyphonicKeyPressure(a, b, c) => w.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] 237 |             MidiMessage::ControlChange(a, b, c) => w.write(&[0xB0 | a.index(), b, c]),
[INFO] [stderr] 238 |             MidiMessage::ProgramChange(a, b) => w.write(&[0xC0 | a.index(), b]),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:241:17
[INFO] [stderr]     |
[INFO] [stderr] 241 |                 w.write(&[0xE0 | a.index()])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:245:17
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 w.write(&[0xF0])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:246:17
[INFO] [stderr]     |
[INFO] [stderr] 246 |                 w.write(b)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:251:17
[INFO] [stderr]     |
[INFO] [stderr] 251 |                 w.write(&[0xF2])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 | /         match self {
[INFO] [stderr] 270 | |             &mut MidiMessage::NoteOff(a, b, c) => buf.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 271 | |             &mut MidiMessage::NoteOn(a, b, c) => buf.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 272 | |             &mut MidiMessage::PolyphonicKeyPressure(a, b, c) => buf.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] ...   |
[INFO] [stderr] 298 | |             &mut MidiMessage::Reset => buf.write(&[0xFF]),
[INFO] [stderr] 299 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 269 |         match *self {
[INFO] [stderr] 270 |             MidiMessage::NoteOff(a, b, c) => buf.write(&[0x80 | a.index(), b, c]),
[INFO] [stderr] 271 |             MidiMessage::NoteOn(a, b, c) => buf.write(&[0x90 | a.index(), b, c]),
[INFO] [stderr] 272 |             MidiMessage::PolyphonicKeyPressure(a, b, c) => buf.write(&[0xA0 | a.index(), b, c]),
[INFO] [stderr] 273 |             MidiMessage::ControlChange(a, b, c) => buf.write(&[0xB0 | a.index(), b, c]),
[INFO] [stderr] 274 |             MidiMessage::ProgramChange(a, b) => buf.write(&[0xC0 | a.index(), b]),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:277:17
[INFO] [stderr]     |
[INFO] [stderr] 277 |                 buf.write(&[0xE0 | a.index()])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:281:17
[INFO] [stderr]     |
[INFO] [stderr] 281 |                 buf.write(&[0xF0])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:282:17
[INFO] [stderr]     |
[INFO] [stderr] 282 |                 buf.write(b)?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/lib.rs:287:17
[INFO] [stderr]     |
[INFO] [stderr] 287 |                 buf.write(&[0xF2])?;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:410:18
[INFO] [stderr]     |
[INFO] [stderr] 410 |     pub fn index(&self) -> u8 {
[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: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/lib.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 | /         match self {
[INFO] [stderr] 412 | |             &Channel::Ch1 => 0,
[INFO] [stderr] 413 | |             &Channel::Ch2 => 1,
[INFO] [stderr] 414 | |             &Channel::Ch3 => 2,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |             &Channel::Ch16 => 15,
[INFO] [stderr] 428 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 411 |         match *self {
[INFO] [stderr] 412 |             Channel::Ch1 => 0,
[INFO] [stderr] 413 |             Channel::Ch2 => 1,
[INFO] [stderr] 414 |             Channel::Ch3 => 2,
[INFO] [stderr] 415 |             Channel::Ch4 => 3,
[INFO] [stderr] 416 |             Channel::Ch5 => 4,
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:433:19
[INFO] [stderr]     |
[INFO] [stderr] 433 |     pub fn number(&self) -> u8 { self.index() + 1 }
[INFO] [stderr]     |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:437:49
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn combine_data(lower: U7, higher: U7) -> U14 { (lower as U14) + 128 * (higher as U14) }
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^ help: try: `u16::from(lower)`
[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/lib.rs:437:72
[INFO] [stderr]     |
[INFO] [stderr] 437 | fn combine_data(lower: U7, higher: U7) -> U14 { (lower as U14) + 128 * (higher as U14) }
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^ help: try: `u16::from(higher)`
[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/lib.rs:446:23
[INFO] [stderr]     |
[INFO] [stderr] 446 | fn valid_data_byte(b: &u8) -> Result<U7, Error> {
[INFO] [stderr]     |                       ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]     |
[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: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:447:13
[INFO] [stderr]     |
[INFO] [stderr] 447 |     let x = b.clone();
[INFO] [stderr]     |             ^^^^^^^^^ help: try dereferencing it: `*b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `wmidi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "128274fca2143a85350be6b6cb49aa2c7d13f4539bf5fbfd205605f170c3ee5d"`
[INFO] running `"docker" "rm" "-f" "128274fca2143a85350be6b6cb49aa2c7d13f4539bf5fbfd205605f170c3ee5d"`
[INFO] [stdout] 128274fca2143a85350be6b6cb49aa2c7d13f4539bf5fbfd205605f170c3ee5d