[INFO] crate metaflac 0.1.8 is already in cache
[INFO] extracting crate metaflac 0.1.8 into work/ex/clippy-test-run/sources/stable/reg/metaflac/0.1.8
[INFO] extracting crate metaflac 0.1.8 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/metaflac/0.1.8
[INFO] validating manifest of metaflac-0.1.8 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 metaflac-0.1.8 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 metaflac-0.1.8
[INFO] finished frobbing metaflac-0.1.8
[INFO] frobbed toml for metaflac-0.1.8 written to work/ex/clippy-test-run/sources/stable/reg/metaflac/0.1.8/Cargo.toml
[INFO] started frobbing metaflac-0.1.8
[INFO] finished frobbing metaflac-0.1.8
[INFO] frobbed toml for metaflac-0.1.8 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/metaflac/0.1.8/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 metaflac-0.1.8 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/metaflac/0.1.8:/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] 29c58651a77a958ae9af1f99722212bea266639d5dd0d214c74210ec04721106
[INFO] running `"docker" "start" "-a" "29c58651a77a958ae9af1f99722212bea266639d5dd0d214c74210ec04721106"`
[INFO] [stderr]     Checking metaflac v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/error.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Error { kind: kind, description: description }
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `kind`
[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/error.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Error { kind: kind, description: description }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/error.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Error { kind: kind, description: description }
[INFO] [stderr]    |                 ^^^^^^^^^^ help: replace it with: `kind`
[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/error.rs:34:29
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Error { kind: kind, description: description }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `description`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/block.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/tag.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/block.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/tag.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/block.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/tag.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/block.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/tag.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/block.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 |             BlockType::Unknown(n) => n as u64
[INFO] [stderr]    |                                      ^^^^^^^^ help: try: `u64::from(n)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |         reader.take(length as u64).read_to_end(&mut data).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try: `u64::from(length)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:169:56
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(writer.write_all(&::util::u64_to_be_bytes(header as u64, 4)[..]));
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ help: try: `u64::from(header)`
[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: you should consider deriving a `Default` implementation for `block::StreamInfo`
[INFO] [stderr]    --> src/block.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 | /     pub fn new() -> StreamInfo {
[INFO] [stderr] 241 | |         StreamInfo { 
[INFO] [stderr] 242 | |             min_block_size: 0, max_block_size: 0, min_frame_size: 0,
[INFO] [stderr] 243 | |             max_frame_size: 0, sample_rate: 0, num_channels: 0, 
[INFO] [stderr] 244 | |             bits_per_sample: 0, total_samples: 0, md5: Vec::new() 
[INFO] [stderr] 245 | |         }
[INFO] [stderr] 246 | |     }
[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] 211 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:265:96
[INFO] [stderr]     |
[INFO] [stderr] 265 |         streaminfo.sample_rate = ((::util::bytes_to_be_u64(&bytes[i..i + 2]) as u32) << 4) | ((bytes[i + 2] as u32 & 0xF0) >> 4);
[INFO] [stderr]     |                                                                                                ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(bytes[i + 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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:273:38
[INFO] [stderr]     |
[INFO] [stderr] 273 |         streaminfo.total_samples = ((bytes[i] as u64 & 0x0F) << 32) | ::util::bytes_to_be_u64(&bytes[i + 1..i + 1 + 4]) as u64;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: try: `u64::from(bytes[i])`
[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 u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:285:46
[INFO] [stderr]     |
[INFO] [stderr] 285 |         bytes.extend(::util::u64_to_be_bytes(self.min_block_size as u64, 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.min_block_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: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:286:46
[INFO] [stderr]     |
[INFO] [stderr] 286 |         bytes.extend(::util::u64_to_be_bytes(self.max_block_size as u64, 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.max_block_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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:287:46
[INFO] [stderr]     |
[INFO] [stderr] 287 |         bytes.extend(::util::u64_to_be_bytes(self.min_frame_size as u64, 3).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.min_frame_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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:288:46
[INFO] [stderr]     |
[INFO] [stderr] 288 |         bytes.extend(::util::u64_to_be_bytes(self.max_frame_size as u64, 3).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.max_frame_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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:289:46
[INFO] [stderr]     |
[INFO] [stderr] 289 |         bytes.extend(::util::u64_to_be_bytes((self.sample_rate >> 4) as u64, 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.sample_rate >> 4)`
[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: you should consider deriving a `Default` implementation for `block::Application`
[INFO] [stderr]    --> src/block.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 | /     pub fn new() -> Application {
[INFO] [stderr] 324 | |         Application { id: Vec::new(), data: Vec::new() } 
[INFO] [stderr] 325 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 308 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/block.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 |             BlockType::Unknown(n) => n as u64
[INFO] [stderr]    |                                      ^^^^^^^^ help: try: `u64::from(n)`
[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: you should consider deriving a `Default` implementation for `block::CueSheetTrackIndex`
[INFO] [stderr]    --> src/block.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 | /     pub fn new() -> CueSheetTrackIndex {
[INFO] [stderr] 366 | |         CueSheetTrackIndex { offset: 0, point_num: 0 }
[INFO] [stderr] 367 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 356 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::CueSheetTrack`
[INFO] [stderr]    --> src/block.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 | /     pub fn new() -> CueSheetTrack {
[INFO] [stderr] 392 | |         CueSheetTrack {
[INFO] [stderr] 393 | |             offset: 0, number: 0, isrc: String::new(), is_audio: true, pre_emphasis: false, 
[INFO] [stderr] 394 | |             indices: Vec::new() 
[INFO] [stderr] 395 | |         }
[INFO] [stderr] 396 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 372 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::CueSheet`
[INFO] [stderr]    --> src/block.rs:414:5
[INFO] [stderr]     |
[INFO] [stderr] 414 | /     pub fn new() -> CueSheet {
[INFO] [stderr] 415 | |         CueSheet { 
[INFO] [stderr] 416 | |             catalog_num: String::new(), num_leadin: 0, is_cd: true, tracks: Vec::new()
[INFO] [stderr] 417 | |         }
[INFO] [stderr] 418 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 401 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:109:21
[INFO] [stderr]     |
[INFO] [stderr] 109 |         reader.take(length as u64).read_to_end(&mut data).unwrap();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try: `u64::from(length)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:169:56
[INFO] [stderr]     |
[INFO] [stderr] 169 |         try!(writer.write_all(&::util::u64_to_be_bytes(header as u64, 4)[..]));
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^ help: try: `u64::from(header)`
[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: you should consider deriving a `Default` implementation for `block::StreamInfo`
[INFO] [stderr]    --> src/block.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 | /     pub fn new() -> StreamInfo {
[INFO] [stderr] 241 | |         StreamInfo { 
[INFO] [stderr] 242 | |             min_block_size: 0, max_block_size: 0, min_frame_size: 0,
[INFO] [stderr] 243 | |             max_frame_size: 0, sample_rate: 0, num_channels: 0, 
[INFO] [stderr] 244 | |             bits_per_sample: 0, total_samples: 0, md5: Vec::new() 
[INFO] [stderr] 245 | |         }
[INFO] [stderr] 246 | |     }
[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] 211 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:265:96
[INFO] [stderr]     |
[INFO] [stderr] 265 |         streaminfo.sample_rate = ((::util::bytes_to_be_u64(&bytes[i..i + 2]) as u32) << 4) | ((bytes[i + 2] as u32 & 0xF0) >> 4);
[INFO] [stderr]     |                                                                                                ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(bytes[i + 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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:273:38
[INFO] [stderr]     |
[INFO] [stderr] 273 |         streaminfo.total_samples = ((bytes[i] as u64 & 0x0F) << 32) | ::util::bytes_to_be_u64(&bytes[i + 1..i + 1 + 4]) as u64;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^ help: try: `u64::from(bytes[i])`
[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 u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:285:46
[INFO] [stderr]     |
[INFO] [stderr] 285 |         bytes.extend(::util::u64_to_be_bytes(self.min_block_size as u64, 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.min_block_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: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:286:46
[INFO] [stderr]     |
[INFO] [stderr] 286 |         bytes.extend(::util::u64_to_be_bytes(self.max_block_size as u64, 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.max_block_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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:287:46
[INFO] [stderr]     |
[INFO] [stderr] 287 |         bytes.extend(::util::u64_to_be_bytes(self.min_frame_size as u64, 3).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.min_frame_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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:288:46
[INFO] [stderr]     |
[INFO] [stderr] 288 |         bytes.extend(::util::u64_to_be_bytes(self.max_frame_size as u64, 3).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.max_frame_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: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:289:46
[INFO] [stderr]     |
[INFO] [stderr] 289 |         bytes.extend(::util::u64_to_be_bytes((self.sample_rate >> 4) as u64, 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.sample_rate >> 4)`
[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: you should consider deriving a `Default` implementation for `block::Application`
[INFO] [stderr]    --> src/block.rs:323:5
[INFO] [stderr]     |
[INFO] [stderr] 323 | /     pub fn new() -> Application {
[INFO] [stderr] 324 | |         Application { id: Vec::new(), data: Vec::new() } 
[INFO] [stderr] 325 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 308 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `block::Picture`
[INFO] [stderr]    --> src/block.rs:629:5
[INFO] [stderr]     |
[INFO] [stderr] 629 | /     pub fn new() -> Picture {
[INFO] [stderr] 630 | |         Picture { 
[INFO] [stderr] 631 | |             picture_type: PictureType::Other, mime_type: String::new(),
[INFO] [stderr] 632 | |             description: String::new(), width: 0, height: 0, depth: 0,
[INFO] [stderr] 633 | |             num_colors: 0, data: Vec::new()
[INFO] [stderr] 634 | |         }
[INFO] [stderr] 635 | |     }
[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] 627 | impl Default for block::Picture {
[INFO] [stderr] 628 |     fn default() -> Self {
[INFO] [stderr] 629 |         Self::new()
[INFO] [stderr] 630 |     }
[INFO] [stderr] 631 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::CueSheetTrackIndex`
[INFO] [stderr]    --> src/block.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 | /     pub fn new() -> CueSheetTrackIndex {
[INFO] [stderr] 366 | |         CueSheetTrackIndex { offset: 0, point_num: 0 }
[INFO] [stderr] 367 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 356 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::CueSheetTrack`
[INFO] [stderr]    --> src/block.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 | /     pub fn new() -> CueSheetTrack {
[INFO] [stderr] 392 | |         CueSheetTrack {
[INFO] [stderr] 393 | |             offset: 0, number: 0, isrc: String::new(), is_audio: true, pre_emphasis: false, 
[INFO] [stderr] 394 | |             indices: Vec::new() 
[INFO] [stderr] 395 | |         }
[INFO] [stderr] 396 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 372 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::CueSheet`
[INFO] [stderr]    --> src/block.rs:414:5
[INFO] [stderr]     |
[INFO] [stderr] 414 | /     pub fn new() -> CueSheet {
[INFO] [stderr] 415 | |         CueSheet { 
[INFO] [stderr] 416 | |             catalog_num: String::new(), num_leadin: 0, is_cd: true, tracks: Vec::new()
[INFO] [stderr] 417 | |         }
[INFO] [stderr] 418 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 401 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:698:46
[INFO] [stderr]     |
[INFO] [stderr] 698 |         bytes.extend(::util::u64_to_be_bytes(self.width as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.width)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:699:46
[INFO] [stderr]     |
[INFO] [stderr] 699 |         bytes.extend(::util::u64_to_be_bytes(self.height as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.height)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:700:46
[INFO] [stderr]     |
[INFO] [stderr] 700 |         bytes.extend(::util::u64_to_be_bytes(self.depth as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.depth)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:701:46
[INFO] [stderr]     |
[INFO] [stderr] 701 |         bytes.extend(::util::u64_to_be_bytes(self.num_colors as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.num_colors)`
[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: you should consider deriving a `Default` implementation for `block::SeekPoint`
[INFO] [stderr]    --> src/block.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 | /     pub fn new() -> SeekPoint {
[INFO] [stderr] 730 | |         SeekPoint { sample_number: 0, offset: 0, num_samples: 0 }
[INFO] [stderr] 731 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 716 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:755:46
[INFO] [stderr]     |
[INFO] [stderr] 755 |         bytes.extend(::util::u64_to_be_bytes(self.num_samples as u64 , 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.num_samples)`
[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: you should consider deriving a `Default` implementation for `block::SeekTable`
[INFO] [stderr]    --> src/block.rs:771:5
[INFO] [stderr]     |
[INFO] [stderr] 771 | /     pub fn new() -> SeekTable {
[INFO] [stderr] 772 | |         SeekTable { seekpoints: Vec::new() }
[INFO] [stderr] 773 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 764 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `block::VorbisComment`
[INFO] [stderr]    --> src/block.rs:815:5
[INFO] [stderr]     |
[INFO] [stderr] 815 | /     pub fn new() -> VorbisComment {
[INFO] [stderr] 816 | |         VorbisComment { vendor_string: String::new(), comments: HashMap::new() }
[INFO] [stderr] 817 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 806 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/block.rs:845:13
[INFO] [stderr]     |
[INFO] [stderr] 845 | /             if vorbis.comments.contains_key(&key) {
[INFO] [stderr] 846 | |                 vorbis.comments.get_mut(&key).unwrap().push(value);
[INFO] [stderr] 847 | |             } else {
[INFO] [stderr] 848 | |                 vorbis.comments.insert(key, vec!(value));
[INFO] [stderr] 849 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `vorbis.comments.entry(key)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `block::Picture`
[INFO] [stderr]    --> src/block.rs:629:5
[INFO] [stderr]     |
[INFO] [stderr] 629 | /     pub fn new() -> Picture {
[INFO] [stderr] 630 | |         Picture { 
[INFO] [stderr] 631 | |             picture_type: PictureType::Other, mime_type: String::new(),
[INFO] [stderr] 632 | |             description: String::new(), width: 0, height: 0, depth: 0,
[INFO] [stderr] 633 | |             num_colors: 0, data: Vec::new()
[INFO] [stderr] 634 | |         }
[INFO] [stderr] 635 | |     }
[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] 627 | impl Default for block::Picture {
[INFO] [stderr] 628 |     fn default() -> Self {
[INFO] [stderr] 629 |         Self::new()
[INFO] [stderr] 630 |     }
[INFO] [stderr] 631 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/block.rs:896:9
[INFO] [stderr]     |
[INFO] [stderr] 896 | /         match self.comments.get_mut(key) {
[INFO] [stderr] 897 | |             Some(list) => list.retain(|s| &s[..] != value),
[INFO] [stderr] 898 | |             None => {} 
[INFO] [stderr] 899 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(list) = self.comments.get_mut(key) { list.retain(|s| &s[..] != value) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:698:46
[INFO] [stderr]     |
[INFO] [stderr] 698 |         bytes.extend(::util::u64_to_be_bytes(self.width as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.width)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:699:46
[INFO] [stderr]     |
[INFO] [stderr] 699 |         bytes.extend(::util::u64_to_be_bytes(self.height as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.height)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:700:46
[INFO] [stderr]     |
[INFO] [stderr] 700 |         bytes.extend(::util::u64_to_be_bytes(self.depth as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.depth)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:701:46
[INFO] [stderr]     |
[INFO] [stderr] 701 |         bytes.extend(::util::u64_to_be_bytes(self.num_colors as u64, 4).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.num_colors)`
[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: you should consider deriving a `Default` implementation for `block::SeekPoint`
[INFO] [stderr]    --> src/block.rs:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 | /     pub fn new() -> SeekPoint {
[INFO] [stderr] 730 | |         SeekPoint { sample_number: 0, offset: 0, num_samples: 0 }
[INFO] [stderr] 731 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 716 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/block.rs:985:49
[INFO] [stderr]     |
[INFO] [stderr] 985 |         self.get("TRACKNUMBER").and_then(|s| if s.len() > 0 {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.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: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/block.rs:755:46
[INFO] [stderr]     |
[INFO] [stderr] 755 |         bytes.extend(::util::u64_to_be_bytes(self.num_samples as u64 , 2).into_iter());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(self.num_samples)`
[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: length comparison to zero
[INFO] [stderr]     --> src/block.rs:1004:49
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         self.get("TOTALTRACKS").and_then(|s| if s.len() > 0 {
[INFO] [stderr]      |                                                 ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.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: you should consider deriving a `Default` implementation for `block::SeekTable`
[INFO] [stderr]    --> src/block.rs:771:5
[INFO] [stderr]     |
[INFO] [stderr] 771 | /     pub fn new() -> SeekTable {
[INFO] [stderr] 772 | |         SeekTable { seekpoints: Vec::new() }
[INFO] [stderr] 773 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 764 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |         n += (*b as u64) << shift;
[INFO] [stderr]    |              ^^^^^^^^^^^ help: try: `u64::from(*b)`
[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: you should consider deriving a `Default` implementation for `block::VorbisComment`
[INFO] [stderr]    --> src/block.rs:815:5
[INFO] [stderr]     |
[INFO] [stderr] 815 | /     pub fn new() -> VorbisComment {
[INFO] [stderr] 816 | |         VorbisComment { vendor_string: String::new(), comments: HashMap::new() }
[INFO] [stderr] 817 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[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] 806 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/util.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in 1..(nbytes + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: use: `1..=nbytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |         n = (n << 8) | *b as u64;
[INFO] [stderr]    |                        ^^^^^^^^^ help: try: `u64::from(*b)`
[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: you should consider deriving a `Default` implementation for `tag::Tag`
[INFO] [stderr]   --> src/tag.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> Tag {
[INFO] [stderr] 27 | |         Tag { path: None, blocks: Vec::new(), length: 0 }
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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] 15 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: usage of `contains_key` followed by `insert` on a `HashMap`
[INFO] [stderr]    --> src/block.rs:845:13
[INFO] [stderr]     |
[INFO] [stderr] 845 | /             if vorbis.comments.contains_key(&key) {
[INFO] [stderr] 846 | |                 vorbis.comments.get_mut(&key).unwrap().push(value);
[INFO] [stderr] 847 | |             } else {
[INFO] [stderr] 848 | |                 vorbis.comments.insert(key, vec!(value));
[INFO] [stderr] 849 | |             }
[INFO] [stderr]     | |_____________^ help: consider using: `vorbis.comments.entry(key)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::map_entry)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_entry
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/tag.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match *block {
[INFO] [stderr] 86 | |                 Block::VorbisComment(ref comm) => return Some(comm),
[INFO] [stderr] 87 | |                 _ => {}
[INFO] [stderr] 88 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Block::VorbisComment(ref comm) = *block { return Some(comm) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/tag.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 | /                 match *self.blocks.as_mut_ptr().offset(i as isize) {
[INFO] [stderr] 119 | |                     Block::VorbisComment(ref mut comm) => return comm,
[INFO] [stderr] 120 | |                     _ => {}
[INFO] [stderr] 121 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Block::VorbisComment(ref mut comm) = *self.blocks.as_mut_ptr().offset(i as isize) { return comm }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/tag.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 match *self.blocks.as_mut_ptr().offset(i as isize) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.blocks.as_mut_ptr().add(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/block.rs:896:9
[INFO] [stderr]     |
[INFO] [stderr] 896 | /         match self.comments.get_mut(key) {
[INFO] [stderr] 897 | |             Some(list) => list.retain(|s| &s[..] != value),
[INFO] [stderr] 898 | |             None => {} 
[INFO] [stderr] 899 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(list) = self.comments.get_mut(key) { list.retain(|s| &s[..] != value) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/tag.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 | /             match *block {
[INFO] [stderr] 234 | |                 Block::Picture(ref picture) => pictures.push(picture),
[INFO] [stderr] 235 | |                 _ => {}
[INFO] [stderr] 236 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Block::Picture(ref picture) = *block { pictures.push(picture) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]    --> src/block.rs:985:49
[INFO] [stderr]     |
[INFO] [stderr] 985 |         self.get("TRACKNUMBER").and_then(|s| if s.len() > 0 {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/tag.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 | /                 match $action { 
[INFO] [stderr] 314 | |                     Ok(bytes) => bytes, 
[INFO] [stderr] 315 | |                     Err(_) => {
[INFO] [stderr] 316 | |                         match $reader.seek(SeekFrom::Start(0)) {
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |                     }
[INFO] [stderr] 327 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 332 |           try_io!(reader, reader.read(&mut ident));
[INFO] [stderr]     |           ----------------------------------------- in this macro invocation
[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] warning: length comparison to zero
[INFO] [stderr]     --> src/block.rs:1004:49
[INFO] [stderr]      |
[INFO] [stderr] 1004 |         self.get("TOTALTRACKS").and_then(|s| if s.len() > 0 {
[INFO] [stderr]      |                                                 ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `!s.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: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/tag.rs:342:63
[INFO] [stderr]     |
[INFO] [stderr] 342 |                 try_io!(reader, reader.seek(SeekFrom::Current(length as i64)));
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: try: `i64::from(length)`
[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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/tag.rs:358:17
[INFO] [stderr]     |
[INFO] [stderr] 358 | /                 match $action { 
[INFO] [stderr] 359 | |                     Ok(result) => result, 
[INFO] [stderr] 360 | |                     Err(_) => return false 
[INFO] [stderr] 361 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 366 |           try_or_false!(reader.read(&mut ident));
[INFO] [stderr]     |           --------------------------------------- in this macro invocation
[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 read amount returned or use `Read::read_exact` instead
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:13:14
[INFO] [stderr]    |
[INFO] [stderr] 13 |         n += (*b as u64) << shift;
[INFO] [stderr]    --> src/tag.rs:376:9
[INFO] [stderr]    |              ^^^^^^^^^^^ help: try: `u64::from(*b)`
[INFO] [stderr]     |
[INFO] [stderr] 376 |         try!(reader.read(&mut ident));
[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] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/util.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |     for i in 1..(nbytes + 1) {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: use: `1..=nbytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         try!(writer.write(b"fLaC"));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |         n = (n << 8) | *b as u64;
[INFO] [stderr]    |                        ^^^^^^^^^ help: try: `u64::from(*b)`
[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: you should consider deriving a `Default` implementation for `tag::Tag`
[INFO] [stderr]   --> src/tag.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> Tag {
[INFO] [stderr] 27 | |         Tag { path: None, blocks: Vec::new(), length: 0 }
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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] 15 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/tag.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 | /             match *block {
[INFO] [stderr] 86 | |                 Block::VorbisComment(ref comm) => return Some(comm),
[INFO] [stderr] 87 | |                 _ => {}
[INFO] [stderr] 88 | |             }
[INFO] [stderr]    | |_____________^ help: try this: `if let Block::VorbisComment(ref comm) = *block { return Some(comm) }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/tag.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 | /                 match *self.blocks.as_mut_ptr().offset(i as isize) {
[INFO] [stderr] 119 | |                     Block::VorbisComment(ref mut comm) => return comm,
[INFO] [stderr] 120 | |                     _ => {}
[INFO] [stderr] 121 | |                 }
[INFO] [stderr]     | |_________________^ help: try this: `if let Block::VorbisComment(ref mut comm) = *self.blocks.as_mut_ptr().offset(i as isize) { return comm }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/tag.rs:118:24
[INFO] [stderr]     |
[INFO] [stderr] 118 |                 match *self.blocks.as_mut_ptr().offset(i as isize) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.blocks.as_mut_ptr().add(i)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/tag.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 | /             match *block {
[INFO] [stderr] 234 | |                 Block::Picture(ref picture) => pictures.push(picture),
[INFO] [stderr] 235 | |                 _ => {}
[INFO] [stderr] 236 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Block::Picture(ref picture) = *block { pictures.push(picture) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:430:17
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 try!(file.write(&bytes[..]));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:449:13
[INFO] [stderr]     |
[INFO] [stderr] 449 |             try!(file.write(b"fLaC"));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:452:17
[INFO] [stderr]     |
[INFO] [stderr] 452 |                 try!(file.write(&bytes[..]));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/tag.rs:461:13
[INFO] [stderr]     |
[INFO] [stderr] 461 | /             match data_opt {
[INFO] [stderr] 462 | |                 Some(data) => try!(file.write_all(&data[..])),
[INFO] [stderr] 463 | |                 None => {}
[INFO] [stderr] 464 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(data) = data_opt { try!(file.write_all(&data[..])) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/tag.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 | /                 match $action { 
[INFO] [stderr] 314 | |                     Ok(bytes) => bytes, 
[INFO] [stderr] 315 | |                     Err(_) => {
[INFO] [stderr] 316 | |                         match $reader.seek(SeekFrom::Start(0)) {
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |                     }
[INFO] [stderr] 327 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 332 |           try_io!(reader, reader.read(&mut ident));
[INFO] [stderr]     |           ----------------------------------------- in this macro invocation
[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] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/tag.rs:342:63
[INFO] [stderr]     |
[INFO] [stderr] 342 |                 try_io!(reader, reader.seek(SeekFrom::Current(length as i64)));
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^ help: try: `i64::from(length)`
[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] error: handle read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/tag.rs:358:17
[INFO] [stderr]     |
[INFO] [stderr] 358 | /                 match $action { 
[INFO] [stderr] 359 | |                     Ok(result) => result, 
[INFO] [stderr] 360 | |                     Err(_) => return false 
[INFO] [stderr] 361 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 366 |           try_or_false!(reader.read(&mut ident));
[INFO] [stderr]     |           --------------------------------------- in this macro invocation
[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 read amount returned or use `Read::read_exact` instead
[INFO] [stderr]    --> src/tag.rs:376:9
[INFO] [stderr]     |
[INFO] [stderr] 376 |         try!(reader.read(&mut ident));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:395:9
[INFO] [stderr]     |
[INFO] [stderr] 395 |         try!(writer.write(b"fLaC"));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:430:17
[INFO] [stderr]     |
[INFO] [stderr] 430 |                 try!(file.write(&bytes[..]));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:449:13
[INFO] [stderr]     |
[INFO] [stderr] 449 |             try!(file.write(b"fLaC"));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/tag.rs:452:17
[INFO] [stderr]     |
[INFO] [stderr] 452 |                 try!(file.write(&bytes[..]));
[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]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/tag.rs:461:13
[INFO] [stderr]     |
[INFO] [stderr] 461 | /             match data_opt {
[INFO] [stderr] 462 | |                 Some(data) => try!(file.write_all(&data[..])),
[INFO] [stderr] 463 | |                 None => {}
[INFO] [stderr] 464 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(data) = data_opt { try!(file.write_all(&data[..])) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `metaflac`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `metaflac`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "29c58651a77a958ae9af1f99722212bea266639d5dd0d214c74210ec04721106"`
[INFO] running `"docker" "rm" "-f" "29c58651a77a958ae9af1f99722212bea266639d5dd0d214c74210ec04721106"`
[INFO] [stdout] 29c58651a77a958ae9af1f99722212bea266639d5dd0d214c74210ec04721106