[INFO] crate ghakuf 0.5.1 is already in cache
[INFO] extracting crate ghakuf 0.5.1 into work/ex/clippy-test-run/sources/stable/reg/ghakuf/0.5.1
[INFO] extracting crate ghakuf 0.5.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ghakuf/0.5.1
[INFO] validating manifest of ghakuf-0.5.1 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 ghakuf-0.5.1 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 ghakuf-0.5.1
[INFO] finished frobbing ghakuf-0.5.1
[INFO] frobbed toml for ghakuf-0.5.1 written to work/ex/clippy-test-run/sources/stable/reg/ghakuf/0.5.1/Cargo.toml
[INFO] started frobbing ghakuf-0.5.1
[INFO] finished frobbing ghakuf-0.5.1
[INFO] frobbed toml for ghakuf-0.5.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ghakuf/0.5.1/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 ghakuf-0.5.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/ghakuf/0.5.1:/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] e4df3067a745d6142e25d3dac132a7f1f31b635355aea32a4cd8b843315cd19e
[INFO] running `"docker" "start" "-a" "e4df3067a745d6142e25d3dac132a7f1f31b635355aea32a4cd8b843315cd19e"`
[INFO] [stderr]     Checking ghakuf v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/formats.rs:158:15
[INFO] [stderr]     |
[INFO] [stderr] 158 |         VLQ { val: val }
[INFO] [stderr]     |               ^^^^^^^^ help: replace it with: `val`
[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/messages.rs:417:13
[INFO] [stderr]     |
[INFO] [stderr] 417 |             status: status,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `status`
[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/messages.rs:664:28
[INFO] [stderr]     |
[INFO] [stderr] 664 |             _ => Unknown { status: status },
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: replace it with: `status`
[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:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             path: path,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `path`
[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:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             handlers: handlers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `handlers`
[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:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         tag: tag,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `tag`
[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:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     tag: tag,
[INFO] [stderr]     |                     ^^^^^^^^ help: replace it with: `tag`
[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:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     tag: tag,
[INFO] [stderr]     |                     ^^^^^^^^ help: replace it with: `tag`
[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:284:25
[INFO] [stderr]     |
[INFO] [stderr] 284 |                         status: status,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: replace it with: `status`
[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/formats.rs:158:15
[INFO] [stderr]     |
[INFO] [stderr] 158 |         VLQ { val: val }
[INFO] [stderr]     |               ^^^^^^^^ help: replace it with: `val`
[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/messages.rs:417:13
[INFO] [stderr]     |
[INFO] [stderr] 417 |             status: status,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `status`
[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/messages.rs:664:28
[INFO] [stderr]     |
[INFO] [stderr] 664 |             _ => Unknown { status: status },
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^ help: replace it with: `status`
[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:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |             path: path,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `path`
[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:65:13
[INFO] [stderr]    |
[INFO] [stderr] 65 |             handlers: handlers,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `handlers`
[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:152:25
[INFO] [stderr]     |
[INFO] [stderr] 152 |                         tag: tag,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `tag`
[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:174:21
[INFO] [stderr]     |
[INFO] [stderr] 174 |                     tag: tag,
[INFO] [stderr]     |                     ^^^^^^^^ help: replace it with: `tag`
[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:178:21
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     tag: tag,
[INFO] [stderr]     |                     ^^^^^^^^ help: replace it with: `tag`
[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:284:25
[INFO] [stderr]     |
[INFO] [stderr] 284 |                         status: status,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: replace it with: `status`
[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: long literal lacking separators
[INFO] [stderr]    --> src/formats.rs:175:24
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mask = 0b1111111 << shiftsize;
[INFO] [stderr]     |                        ^^^^^^^^^ help: consider: `0b111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/formats.rs:178:54
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 binary.push(if i < vlq_limit { tmp | 0b10000000 } else { tmp });
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/formats.rs:333:19
[INFO] [stderr]     |
[INFO] [stderr] 333 |         if data & 0b00000000_00000000_00000000_10000000 == 0 || self.val > 0b1111111_1111111_1111111 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_digit_groups)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/formats.rs:333:76
[INFO] [stderr]     |
[INFO] [stderr] 333 |         if data & 0b00000000_00000000_00000000_10000000 == 0 || self.val > 0b1111111_1111111_1111111 {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1_1111_1111_1111_1111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/messages.rs:551:35
[INFO] [stderr]     |
[INFO] [stderr] 551 |                     (pitch_bend & 0b1111111) as u8,
[INFO] [stderr]     |                                   ^^^^^^^^^ help: consider: `0b111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/reader.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if status < 0b10000000 {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/formats.rs:175:24
[INFO] [stderr]     |
[INFO] [stderr] 175 |             let mask = 0b1111111 << shiftsize;
[INFO] [stderr]     |                        ^^^^^^^^^ help: consider: `0b111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/formats.rs:178:54
[INFO] [stderr]     |
[INFO] [stderr] 178 |                 binary.push(if i < vlq_limit { tmp | 0b10000000 } else { tmp });
[INFO] [stderr]     |                                                      ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/formats.rs:253:34
[INFO] [stderr]     |
[INFO] [stderr] 253 |         assert_eq!(tester.val(), 0b1111111_1111111);
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: consider: `0b11_1111_1111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_digit_groups)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/formats.rs:261:19
[INFO] [stderr]     |
[INFO] [stderr] 261 |             .push(0b10000000)
[INFO] [stderr]     |                   ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/formats.rs:266:43
[INFO] [stderr]     |
[INFO] [stderr] 266 |         assert_eq!(tester.binary(), [134, 0b10000000, 23]);
[INFO] [stderr]     |                                           ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: digits grouped inconsistently by underscores
[INFO] [stderr]    --> src/formats.rs:277:32
[INFO] [stderr]     |
[INFO] [stderr] 277 |         assert!(tester.val() < 0b10000000_0000000_0000000_0000000);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1_0000_0000_0000_0000_0000_0000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::inconsistent_digit_grouping)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#inconsistent_digit_grouping
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/formats.rs:333:19
[INFO] [stderr]     |
[INFO] [stderr] 333 |         if data & 0b00000000_00000000_00000000_10000000 == 0 || self.val > 0b1111111_1111111_1111111 {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0000_0000_0000_0000_1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/formats.rs:333:76
[INFO] [stderr]     |
[INFO] [stderr] 333 |         if data & 0b00000000_00000000_00000000_10000000 == 0 || self.val > 0b1111111_1111111_1111111 {
[INFO] [stderr]     |                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `0b1_1111_1111_1111_1111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/messages.rs:551:35
[INFO] [stderr]     |
[INFO] [stderr] 551 |                     (pitch_bend & 0b1111111) as u8,
[INFO] [stderr]     |                                   ^^^^^^^^^ help: consider: `0b111_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/reader.rs:218:25
[INFO] [stderr]     |
[INFO] [stderr] 218 |             if status < 0b10000000 {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider: `0b1000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/formats.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn binary(&self) -> [u8; 2] {
[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: item `formats::VLQ` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/formats.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | / impl VLQ {
[INFO] [stderr] 148 | |     /// Builds VLQ from u32 value.
[INFO] [stderr] 149 | |     ///
[INFO] [stderr] 150 | |     /// # Examples
[INFO] [stderr] ...   |
[INFO] [stderr] 222 | |     }
[INFO] [stderr] 223 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/formats.rs:170:19
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn binary(&self) -> Vec<u8> {
[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: length comparison to zero
[INFO] [stderr]    --> src/formats.rs:176:39
[INFO] [stderr]     |
[INFO] [stderr] 176 |             if self.val & mask > 0 || binary.len() > 0 {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!binary.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: length comparison to zero
[INFO] [stderr]    --> src/formats.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if binary.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `binary.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/formats.rs:196:16
[INFO] [stderr]     |
[INFO] [stderr] 196 |     pub fn len(&self) -> usize {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/formats.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn val(&self) -> u32 {
[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: you should consider deriving a `Default` implementation for `formats::VLQBuilder`
[INFO] [stderr]    --> src/formats.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 | /     pub fn new() -> VLQBuilder {
[INFO] [stderr] 310 | |         VLQBuilder {
[INFO] [stderr] 311 | |             val: 0,
[INFO] [stderr] 312 | |             closed: false,
[INFO] [stderr] 313 | |         }
[INFO] [stderr] 314 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 295 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/formats.rs:331:40
[INFO] [stderr]     |
[INFO] [stderr] 331 |             self.val = self.val << 7 | ((data & 0b0111_1111) as u32);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(data & 0b0111_1111)`
[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: trait `MessageTool` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/messages.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / pub trait MessageTool {
[INFO] [stderr] 16 | |     /// Returns message's binary array for SMF.
[INFO] [stderr] 17 | |     ///
[INFO] [stderr] 18 | |     /// # Examples
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     fn status_byte(&self) -> u8;
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: item `messages::Message` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/messages.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / impl Message {
[INFO] [stderr] 88  | |     /// Returns binary array for SMF.
[INFO] [stderr] 89  | |     ///
[INFO] [stderr] 90  | |     /// # Examples
[INFO] [stderr] ...   |
[INFO] [stderr] 192 | |     }
[INFO] [stderr] 193 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/messages.rs:525:27
[INFO] [stderr]     |
[INFO] [stderr] 525 |                 let lsb = self.data[0] as u16;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.data[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/messages.rs:526:27
[INFO] [stderr]     |
[INFO] [stderr] 526 |                 let msb = (self.data[1] as u16) << 8;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.data[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/reader.rs:211:50
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 self.file.seek(SeekFrom::Current(data_size as i64))?;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^ help: try: `i64::from(data_size)`
[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/reader.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn read_data(&mut self, vlq: &VLQ) -> Result<Vec<u8>, ReadError<'a>> {
[INFO] [stderr]     |                                  ^^^^ help: consider passing by value instead: `VLQ`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/reader.rs:354:72
[INFO] [stderr]     |
[INFO] [stderr] 354 |     fn meta_event(&mut self, delta_time: u32, event: &MetaEvent, data: &Vec<u8>) {
[INFO] [stderr]     |                                                                        ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/reader.rs:362:75
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn sys_ex_event(&mut self, delta_time: u32, event: &SysExEvent, data: &Vec<u8>) {
[INFO] [stderr]     |                                                                           ^^^^^^^^ help: change this to: `&[u8]`
[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: you should consider adding a `Default` implementation for `writer::Writer<'a>`
[INFO] [stderr]   --> src/writer.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | /     pub fn new() -> Writer<'a> {
[INFO] [stderr] 78 | |         Writer {
[INFO] [stderr] 79 | |             messages: Vec::new(),
[INFO] [stderr] 80 | |             format: Format::F1,
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl Default for writer::Writer<'a> {
[INFO] [stderr] 61 |     fn default() -> Self {
[INFO] [stderr] 62 |         Self::new()
[INFO] [stderr] 63 |     }
[INFO] [stderr] 64 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         file.write(Tag::Header.binary())?;
[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/writer.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         file.write(&[0, 0, 0, 6])?;
[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/writer.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         file.write(&self.format.binary())?;
[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: length comparison to zero
[INFO] [stderr]    --> src/writer.rs:252:12
[INFO] [stderr]     |
[INFO] [stderr] 252 |         if self.messages.len() > 0 && *self.messages[0] != Message::TrackChange {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.messages.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 |             file.write(&Message::TrackChange.binary())?;
[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/writer.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     file.write(&Message::TrackChange.binary())?;
[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/writer.rs:279:29
[INFO] [stderr]     |
[INFO] [stderr] 279 |                             file.write(&tmp_message[0..delta_time.len()])?;
[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/writer.rs:280:29
[INFO] [stderr]     |
[INFO] [stderr] 280 |                             file.write(&message.binary()[delta_time.len() + 1..])?;
[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/writer.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 |                             file.write(&message.binary())?;
[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/writer.rs:293:21
[INFO] [stderr]     |
[INFO] [stderr] 293 |                     file.write(&message.binary())?;
[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: passing a unit value to a function
[INFO] [stderr]    --> src/writer.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         Ok(file.flush()?)
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 298 |         Ok(())
[INFO] [stderr]     |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/writer.rs:332:29
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let mut number = if self.messages.len()>0 && *self.messages[0]!=Message::TrackChange { 1 } else { 0 };
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.messages.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ghakuf`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/formats.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn binary(&self) -> [u8; 2] {
[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: item `formats::VLQ` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/formats.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | / impl VLQ {
[INFO] [stderr] 148 | |     /// Builds VLQ from u32 value.
[INFO] [stderr] 149 | |     ///
[INFO] [stderr] 150 | |     /// # Examples
[INFO] [stderr] ...   |
[INFO] [stderr] 222 | |     }
[INFO] [stderr] 223 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/formats.rs:170:19
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn binary(&self) -> Vec<u8> {
[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: length comparison to zero
[INFO] [stderr]    --> src/formats.rs:176:39
[INFO] [stderr]     |
[INFO] [stderr] 176 |             if self.val & mask > 0 || binary.len() > 0 {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!binary.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: length comparison to zero
[INFO] [stderr]    --> src/formats.rs:181:12
[INFO] [stderr]     |
[INFO] [stderr] 181 |         if binary.len() == 0 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `binary.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/formats.rs:196:16
[INFO] [stderr]     |
[INFO] [stderr] 196 |     pub fn len(&self) -> usize {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/formats.rs:217:16
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn val(&self) -> u32 {
[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: you should consider deriving a `Default` implementation for `formats::VLQBuilder`
[INFO] [stderr]    --> src/formats.rs:309:5
[INFO] [stderr]     |
[INFO] [stderr] 309 | /     pub fn new() -> VLQBuilder {
[INFO] [stderr] 310 | |         VLQBuilder {
[INFO] [stderr] 311 | |             val: 0,
[INFO] [stderr] 312 | |             closed: false,
[INFO] [stderr] 313 | |         }
[INFO] [stderr] 314 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 295 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/formats.rs:331:40
[INFO] [stderr]     |
[INFO] [stderr] 331 |             self.val = self.val << 7 | ((data & 0b0111_1111) as u32);
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(data & 0b0111_1111)`
[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: trait `MessageTool` has a `len` method but no (possibly inherited) `is_empty` method
[INFO] [stderr]   --> src/messages.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / pub trait MessageTool {
[INFO] [stderr] 16 | |     /// Returns message's binary array for SMF.
[INFO] [stderr] 17 | |     ///
[INFO] [stderr] 18 | |     /// # Examples
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     fn status_byte(&self) -> u8;
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: item `messages::Message` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/messages.rs:87:1
[INFO] [stderr]     |
[INFO] [stderr] 87  | / impl Message {
[INFO] [stderr] 88  | |     /// Returns binary array for SMF.
[INFO] [stderr] 89  | |     ///
[INFO] [stderr] 90  | |     /// # Examples
[INFO] [stderr] ...   |
[INFO] [stderr] 192 | |     }
[INFO] [stderr] 193 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/messages.rs:525:27
[INFO] [stderr]     |
[INFO] [stderr] 525 |                 let lsb = self.data[0] as u16;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.data[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/messages.rs:526:27
[INFO] [stderr]     |
[INFO] [stderr] 526 |                 let msb = (self.data[1] as u16) << 8;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.data[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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/reader.rs:211:50
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 self.file.seek(SeekFrom::Current(data_size as i64))?;
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^ help: try: `i64::from(data_size)`
[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/reader.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |     fn read_data(&mut self, vlq: &VLQ) -> Result<Vec<u8>, ReadError<'a>> {
[INFO] [stderr]     |                                  ^^^^ help: consider passing by value instead: `VLQ`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/reader.rs:354:72
[INFO] [stderr]     |
[INFO] [stderr] 354 |     fn meta_event(&mut self, delta_time: u32, event: &MetaEvent, data: &Vec<u8>) {
[INFO] [stderr]     |                                                                        ^^^^^^^^ help: change this to: `&[u8]`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/reader.rs:362:75
[INFO] [stderr]     |
[INFO] [stderr] 362 |     fn sys_ex_event(&mut self, delta_time: u32, event: &SysExEvent, data: &Vec<u8>) {
[INFO] [stderr]     |                                                                           ^^^^^^^^ help: change this to: `&[u8]`
[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: you should consider adding a `Default` implementation for `writer::Writer<'a>`
[INFO] [stderr]   --> src/writer.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | /     pub fn new() -> Writer<'a> {
[INFO] [stderr] 78 | |         Writer {
[INFO] [stderr] 79 | |             messages: Vec::new(),
[INFO] [stderr] 80 | |             format: Format::F1,
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 60 | impl Default for writer::Writer<'a> {
[INFO] [stderr] 61 |     fn default() -> Self {
[INFO] [stderr] 62 |         Self::new()
[INFO] [stderr] 63 |     }
[INFO] [stderr] 64 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         file.write(Tag::Header.binary())?;
[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/writer.rs:247:9
[INFO] [stderr]     |
[INFO] [stderr] 247 |         file.write(&[0, 0, 0, 6])?;
[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/writer.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         file.write(&self.format.binary())?;
[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: length comparison to zero
[INFO] [stderr]    --> src/writer.rs:252:12
[INFO] [stderr]     |
[INFO] [stderr] 252 |         if self.messages.len() > 0 && *self.messages[0] != Message::TrackChange {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.messages.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/writer.rs:253:13
[INFO] [stderr]     |
[INFO] [stderr] 253 |             file.write(&Message::TrackChange.binary())?;
[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/writer.rs:262:21
[INFO] [stderr]     |
[INFO] [stderr] 262 |                     file.write(&Message::TrackChange.binary())?;
[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/writer.rs:279:29
[INFO] [stderr]     |
[INFO] [stderr] 279 |                             file.write(&tmp_message[0..delta_time.len()])?;
[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/writer.rs:280:29
[INFO] [stderr]     |
[INFO] [stderr] 280 |                             file.write(&message.binary()[delta_time.len() + 1..])?;
[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/writer.rs:284:29
[INFO] [stderr]     |
[INFO] [stderr] 284 |                             file.write(&message.binary())?;
[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/writer.rs:293:21
[INFO] [stderr]     |
[INFO] [stderr] 293 |                     file.write(&message.binary())?;
[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: passing a unit value to a function
[INFO] [stderr]    --> src/writer.rs:298:12
[INFO] [stderr]     |
[INFO] [stderr] 298 |         Ok(file.flush()?)
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 298 |         Ok(())
[INFO] [stderr]     |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/writer.rs:332:29
[INFO] [stderr]     |
[INFO] [stderr] 332 |         let mut number = if self.messages.len()>0 && *self.messages[0]!=Message::TrackChange { 1 } else { 0 };
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!self.messages.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ghakuf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e4df3067a745d6142e25d3dac132a7f1f31b635355aea32a4cd8b843315cd19e"`
[INFO] running `"docker" "rm" "-f" "e4df3067a745d6142e25d3dac132a7f1f31b635355aea32a4cd8b843315cd19e"`
[INFO] [stdout] e4df3067a745d6142e25d3dac132a7f1f31b635355aea32a4cd8b843315cd19e