[INFO] crate wtf8 0.0.3 is already in cache
[INFO] extracting crate wtf8 0.0.3 into work/ex/clippy-test-run/sources/stable/reg/wtf8/0.0.3
[INFO] extracting crate wtf8 0.0.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wtf8/0.0.3
[INFO] validating manifest of wtf8-0.0.3 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 wtf8-0.0.3 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 wtf8-0.0.3
[INFO] finished frobbing wtf8-0.0.3
[INFO] frobbed toml for wtf8-0.0.3 written to work/ex/clippy-test-run/sources/stable/reg/wtf8/0.0.3/Cargo.toml
[INFO] started frobbing wtf8-0.0.3
[INFO] finished frobbing wtf8-0.0.3
[INFO] frobbed toml for wtf8-0.0.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wtf8/0.0.3/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 wtf8-0.0.3 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/wtf8/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4782b63bb351633cb0ce3ec314968537bfbb5f3712c4a529cae626152cdcc896
[INFO] running `"docker" "start" "-a" "4782b63bb351633cb0ce3ec314968537bfbb5f3712c4a529cae626152cdcc896"`
[INFO] [stderr]     Checking wtf8 v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/lib.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |         CodePoint { value: value }
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: replace it with: `value`
[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/lib.rs:89:48
[INFO] [stderr]    |
[INFO] [stderr] 89 |             0 ... 0x10FFFF => Some(CodePoint { value: value }),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: replace it with: `value`
[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/lib.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |         CodePoint { value: value }
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: replace it with: `value`
[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/lib.rs:89:48
[INFO] [stderr]    |
[INFO] [stderr] 89 |             0 ... 0x10FFFF => Some(CodePoint { value: value }),
[INFO] [stderr]    |                                                ^^^^^^^^^^^^ help: replace it with: `value`
[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/lib.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             0 ... 0x10FFFF => Some(CodePoint { value: value }),
[INFO] [stderr]    |                   ^^^^^^^^ help: consider: `0x0010_FFFF`
[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/lib.rs:89:19
[INFO] [stderr]    |
[INFO] [stderr] 89 |             0 ... 0x10FFFF => Some(CodePoint { value: value }),
[INFO] [stderr]    |                   ^^^^^^^^ help: consider: `0x0010_FFFF`
[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/lib.rs:767:37
[INFO] [stderr]     |
[INFO] [stderr] 767 |         assert!(CodePoint::from_u32(0x10FFFF).is_some());
[INFO] [stderr]     |                                     ^^^^^^^^ help: consider: `0x0010_FFFF`
[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/lib.rs:768:37
[INFO] [stderr]     |
[INFO] [stderr] 768 |         assert!(CodePoint::from_u32(0x110000).is_none());
[INFO] [stderr]     |                                     ^^^^^^^^ help: consider: `0x0011_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/lib.rs:776:22
[INFO] [stderr]     |
[INFO] [stderr] 776 |         assert_eq!(c(0x10FFFF).to_u32(), 0x10FFFF);
[INFO] [stderr]     |                      ^^^^^^^^ help: consider: `0x0010_FFFF`
[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/lib.rs:776:42
[INFO] [stderr]     |
[INFO] [stderr] 776 |         assert_eq!(c(0x10FFFF).to_u32(), 0x10FFFF);
[INFO] [stderr]     |                                          ^^^^^^^^ help: consider: `0x0010_FFFF`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/not_quite_std.rs:83:60
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Some(&next_byte) if next_byte < 128 => return Some(next_byte as u32),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^ help: try: `u32::from(next_byte)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/not_quite_std.rs:97:38
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let y_z = utf8_acc_cont_byte((y & CONT_MASK) as u32, z);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(y & CONT_MASK)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:111:51
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn utf8_first_byte(byte: u8, width: u32) -> u32 { (byte & (0x7F >> width)) as u32 }
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(byte & (0x7F >> 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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:115:63
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn utf8_acc_cont_byte(ch: u32, byte: u8) -> u32 { (ch << 6) | (byte & CONT_MASK) as u32 }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(byte & CONT_MASK)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/not_quite_std.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             string.bytes.as_mut_ptr().offset(cur_len as isize),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `string.bytes.as_mut_ptr().add(cur_len)`
[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: transmute from a reference to a reference
[INFO] [stderr]    --> src/not_quite_std.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 | /     mem::transmute(slice::from_raw_parts(
[INFO] [stderr] 163 | |         s.bytes.as_ptr().offset(begin as isize),
[INFO] [stderr] 164 | |         end - begin,
[INFO] [stderr] 165 | |     ))
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 162 |     &*(slice::from_raw_parts(
[INFO] [stderr] 163 |         s.bytes.as_ptr().offset(begin as isize),
[INFO] [stderr] 164 |         end - begin,
[INFO] [stderr] 165 |     ) as *const [u8] as *const Wtf8)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/not_quite_std.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         s.bytes.as_ptr().offset(begin as isize),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `s.bytes.as_ptr().add(begin)`
[INFO] [stderr]     |
[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: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:226:55
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Some(Ok(unsafe { char::from_u32_unchecked(u as u32) }))
[INFO] [stderr]     |                                                       ^^^^^^^^ help: try: `u32::from(u)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:244:22
[INFO] [stderr]     |
[INFO] [stderr] 244 |             let c = (((u - 0xD800) as u32) << 10 | (u2 - 0xDC00) as u32) + 0x1_0000;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(u - 0xD800)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:244:52
[INFO] [stderr]     |
[INFO] [stderr] 244 |             let c = (((u - 0xD800) as u32) << 10 | (u2 - 0xDC00) as u32) + 0x1_0000;
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(u2 - 0xDC00)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:104:19
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn to_u32(&self) -> u32 {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn to_char(&self) -> Option<char> {
[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: transmute from a `u32` to a `char`
[INFO] [stderr]    --> src/lib.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |             _ => Some(unsafe { transmute(self.value) })
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(self.value).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_int_to_char)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_char
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:124:26
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn to_char_lossy(&self) -> char {
[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: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:143:18
[INFO] [stderr]     |
[INFO] [stderr] 143 |         unsafe { transmute(&*self.bytes) }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&*self.bytes as *const [u8] as *const Wtf8)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Wtf8Buf`
[INFO] [stderr]    --> src/lib.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     pub fn new() -> Wtf8Buf {
[INFO] [stderr] 162 | |         Wtf8Buf { bytes: Vec::new() }
[INFO] [stderr] 163 | |     }
[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] 135 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 | /     pub fn from_str(str: &str) -> Wtf8Buf {
[INFO] [stderr] 188 | |         Wtf8Buf { bytes: str.as_bytes().to_vec() }
[INFO] [stderr] 189 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:202:77
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     let code_point = unsafe { CodePoint::from_u32_unchecked(s as u32) };
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: try: `u32::from(s)`
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 | /         match code_point.to_u32() {
[INFO] [stderr] 287 | |             trail @ 0xDC00...0xDFFF => {
[INFO] [stderr] 288 | |                 match (&*self).final_lead_surrogate() {
[INFO] [stderr] 289 | |                     Some(lead) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 298 | |             _ => {}
[INFO] [stderr] 299 | |         }
[INFO] [stderr]     | |_________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 286 |         if let trail @ 0xDC00...0xDFFF = code_point.to_u32() {
[INFO] [stderr] 287 |     match (&*self).final_lead_surrogate() {
[INFO] [stderr] 288 |         Some(lead) => {
[INFO] [stderr] 289 |             let len_without_lead_surrogate = self.len() - 3;
[INFO] [stderr] 290 |             self.bytes.truncate(len_without_lead_surrogate);
[INFO] [stderr] 291 |             self.push_char(decode_surrogate_pair(lead, trail as u16));
[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/lib.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 | /                 match (&*self).final_lead_surrogate() {
[INFO] [stderr] 289 | |                     Some(lead) => {
[INFO] [stderr] 290 | |                         let len_without_lead_surrogate = self.len() - 3;
[INFO] [stderr] 291 | |                         self.bytes.truncate(len_without_lead_surrogate);
[INFO] [stderr] ...   |
[INFO] [stderr] 295 | |                     _ => {}
[INFO] [stderr] 296 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 if let Some(lead) = (&*self).final_lead_surrogate() {
[INFO] [stderr] 289 |     let len_without_lead_surrogate = self.len() - 3;
[INFO] [stderr] 290 |     self.bytes.truncate(len_without_lead_surrogate);
[INFO] [stderr] 291 |     self.push_char(decode_surrogate_pair(lead, trail as u16));
[INFO] [stderr] 292 |     return
[INFO] [stderr] 293 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: item `Wtf8` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:446:1
[INFO] [stderr]     |
[INFO] [stderr] 446 | / impl Wtf8 {
[INFO] [stderr] 447 | |     /// Create a WTF-8 slice from a UTF-8 `&str` slice.
[INFO] [stderr] 448 | |     ///
[INFO] [stderr] 449 | |     /// Since WTF-8 is a superset of UTF-8, this always succeeds.
[INFO] [stderr] ...   |
[INFO] [stderr] 647 | |     }
[INFO] [stderr] 648 | | }
[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: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:451:5
[INFO] [stderr]     |
[INFO] [stderr] 451 | /     pub fn from_str(value: &str) -> &Wtf8 {
[INFO] [stderr] 452 | |         unsafe { transmute(value.as_bytes()) }
[INFO] [stderr] 453 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:452:18
[INFO] [stderr]     |
[INFO] [stderr] 452 |         unsafe { transmute(value.as_bytes()) }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(value.as_bytes() as *const [u8] as *const Wtf8)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:654:15
[INFO] [stderr]     |
[INFO] [stderr] 654 |     0xD800 | (second_byte as u16 & 0x3F) << 6 | third_byte as u16 & 0x3F
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(second_byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:654:49
[INFO] [stderr]     |
[INFO] [stderr] 654 |     0xD800 | (second_byte as u16 & 0x3F) << 6 | third_byte as u16 & 0x3F
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: try: `u16::from(third_byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:659:35
[INFO] [stderr]     |
[INFO] [stderr] 659 |     let code_point = 0x10000 + (((lead as u32 - 0xD800) << 10) | (trail as u32 - 0xDC00));
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: try: `u32::from(lead)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:659:67
[INFO] [stderr]     |
[INFO] [stderr] 659 |     let code_point = 0x10000 + (((lead as u32 - 0xD800) << 10) | (trail as u32 - 0xDC00));
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^ help: try: `u32::from(trail)`
[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: transmute from a `u32` to a `char`
[INFO] [stderr]    --> src/lib.rs:660:14
[INFO] [stderr]     |
[INFO] [stderr] 660 |     unsafe { transmute(code_point) }
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(code_point).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_char
[INFO] [stderr] 
[INFO] [stderr] error: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/lib.rs:734:1
[INFO] [stderr]     |
[INFO] [stderr] 734 | / impl hash::Hash for CodePoint {
[INFO] [stderr] 735 | |     #[inline]
[INFO] [stderr] 736 | |     fn hash<H: hash::Hasher>(&self, state: &mut H) {
[INFO] [stderr] 737 | |         self.value.hash(state)
[INFO] [stderr] 738 | |     }
[INFO] [stderr] 739 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/lib.rs:56:14
[INFO] [stderr]     |
[INFO] [stderr] 56  | #[derive(Eq, PartialEq, Ord, PartialOrd, Clone)]
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] error: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/lib.rs:741:1
[INFO] [stderr]     |
[INFO] [stderr] 741 | / impl hash::Hash for Wtf8Buf {
[INFO] [stderr] 742 | |     #[inline]
[INFO] [stderr] 743 | |     fn hash<H: hash::Hasher>(&self, state: &mut H) {
[INFO] [stderr] 744 | |         Wtf8::hash(self, state)
[INFO] [stderr] 745 | |     }
[INFO] [stderr] 746 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/lib.rs:134:14
[INFO] [stderr]     |
[INFO] [stderr] 134 | #[derive(Eq, PartialEq, Ord, PartialOrd, Clone)]
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `wtf8`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/not_quite_std.rs:83:60
[INFO] [stderr]    |
[INFO] [stderr] 83 |         Some(&next_byte) if next_byte < 128 => return Some(next_byte as u32),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^ help: try: `u32::from(next_byte)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/not_quite_std.rs:97:38
[INFO] [stderr]    |
[INFO] [stderr] 97 |         let y_z = utf8_acc_cont_byte((y & CONT_MASK) as u32, z);
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(y & CONT_MASK)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:111:51
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn utf8_first_byte(byte: u8, width: u32) -> u32 { (byte & (0x7F >> width)) as u32 }
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(byte & (0x7F >> 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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:115:63
[INFO] [stderr]     |
[INFO] [stderr] 115 | fn utf8_acc_cont_byte(ch: u32, byte: u8) -> u32 { (ch << 6) | (byte & CONT_MASK) as u32 }
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(byte & CONT_MASK)`
[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: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/not_quite_std.rs:140:13
[INFO] [stderr]     |
[INFO] [stderr] 140 |             string.bytes.as_mut_ptr().offset(cur_len as isize),
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `string.bytes.as_mut_ptr().add(cur_len)`
[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: transmute from a reference to a reference
[INFO] [stderr]    --> src/not_quite_std.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 | /     mem::transmute(slice::from_raw_parts(
[INFO] [stderr] 163 | |         s.bytes.as_ptr().offset(begin as isize),
[INFO] [stderr] 164 | |         end - begin,
[INFO] [stderr] 165 | |     ))
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 162 |     &*(slice::from_raw_parts(
[INFO] [stderr] 163 |         s.bytes.as_ptr().offset(begin as isize),
[INFO] [stderr] 164 |         end - begin,
[INFO] [stderr] 165 |     ) as *const [u8] as *const Wtf8)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]    --> src/not_quite_std.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         s.bytes.as_ptr().offset(begin as isize),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `s.bytes.as_ptr().add(begin)`
[INFO] [stderr]     |
[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: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:226:55
[INFO] [stderr]     |
[INFO] [stderr] 226 |             Some(Ok(unsafe { char::from_u32_unchecked(u as u32) }))
[INFO] [stderr]     |                                                       ^^^^^^^^ help: try: `u32::from(u)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:244:22
[INFO] [stderr]     |
[INFO] [stderr] 244 |             let c = (((u - 0xD800) as u32) << 10 | (u2 - 0xDC00) as u32) + 0x1_0000;
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(u - 0xD800)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/not_quite_std.rs:244:52
[INFO] [stderr]     |
[INFO] [stderr] 244 |             let c = (((u - 0xD800) as u32) << 10 | (u2 - 0xDC00) as u32) + 0x1_0000;
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(u2 - 0xDC00)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:104:19
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn to_u32(&self) -> u32 {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:112:20
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn to_char(&self) -> Option<char> {
[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: transmute from a `u32` to a `char`
[INFO] [stderr]    --> src/lib.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |             _ => Some(unsafe { transmute(self.value) })
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(self.value).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_int_to_char)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_char
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:124:26
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn to_char_lossy(&self) -> char {
[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: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:143:18
[INFO] [stderr]     |
[INFO] [stderr] 143 |         unsafe { transmute(&*self.bytes) }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(&*self.bytes as *const [u8] as *const Wtf8)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `Wtf8Buf`
[INFO] [stderr]    --> src/lib.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 161 | /     pub fn new() -> Wtf8Buf {
[INFO] [stderr] 162 | |         Wtf8Buf { bytes: Vec::new() }
[INFO] [stderr] 163 | |     }
[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] 135 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:187:5
[INFO] [stderr]     |
[INFO] [stderr] 187 | /     pub fn from_str(str: &str) -> Wtf8Buf {
[INFO] [stderr] 188 | |         Wtf8Buf { bytes: str.as_bytes().to_vec() }
[INFO] [stderr] 189 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::should_implement_trait)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:202:77
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     let code_point = unsafe { CodePoint::from_u32_unchecked(s as u32) };
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: try: `u32::from(s)`
[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 seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:286:9
[INFO] [stderr]     |
[INFO] [stderr] 286 | /         match code_point.to_u32() {
[INFO] [stderr] 287 | |             trail @ 0xDC00...0xDFFF => {
[INFO] [stderr] 288 | |                 match (&*self).final_lead_surrogate() {
[INFO] [stderr] 289 | |                     Some(lead) => {
[INFO] [stderr] ...   |
[INFO] [stderr] 298 | |             _ => {}
[INFO] [stderr] 299 | |         }
[INFO] [stderr]     | |_________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 286 |         if let trail @ 0xDC00...0xDFFF = code_point.to_u32() {
[INFO] [stderr] 287 |     match (&*self).final_lead_surrogate() {
[INFO] [stderr] 288 |         Some(lead) => {
[INFO] [stderr] 289 |             let len_without_lead_surrogate = self.len() - 3;
[INFO] [stderr] 290 |             self.bytes.truncate(len_without_lead_surrogate);
[INFO] [stderr] 291 |             self.push_char(decode_surrogate_pair(lead, trail as u16));
[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/lib.rs:288:17
[INFO] [stderr]     |
[INFO] [stderr] 288 | /                 match (&*self).final_lead_surrogate() {
[INFO] [stderr] 289 | |                     Some(lead) => {
[INFO] [stderr] 290 | |                         let len_without_lead_surrogate = self.len() - 3;
[INFO] [stderr] 291 | |                         self.bytes.truncate(len_without_lead_surrogate);
[INFO] [stderr] ...   |
[INFO] [stderr] 295 | |                     _ => {}
[INFO] [stderr] 296 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 288 |                 if let Some(lead) = (&*self).final_lead_surrogate() {
[INFO] [stderr] 289 |     let len_without_lead_surrogate = self.len() - 3;
[INFO] [stderr] 290 |     self.bytes.truncate(len_without_lead_surrogate);
[INFO] [stderr] 291 |     self.push_char(decode_surrogate_pair(lead, trail as u16));
[INFO] [stderr] 292 |     return
[INFO] [stderr] 293 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: item `Wtf8` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> src/lib.rs:446:1
[INFO] [stderr]     |
[INFO] [stderr] 446 | / impl Wtf8 {
[INFO] [stderr] 447 | |     /// Create a WTF-8 slice from a UTF-8 `&str` slice.
[INFO] [stderr] 448 | |     ///
[INFO] [stderr] 449 | |     /// Since WTF-8 is a superset of UTF-8, this always succeeds.
[INFO] [stderr] ...   |
[INFO] [stderr] 647 | |     }
[INFO] [stderr] 648 | | }
[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: defining a method called `from_str` on this type; consider implementing the `std::str::FromStr` trait or choosing a less ambiguous name
[INFO] [stderr]    --> src/lib.rs:451:5
[INFO] [stderr]     |
[INFO] [stderr] 451 | /     pub fn from_str(value: &str) -> &Wtf8 {
[INFO] [stderr] 452 | |         unsafe { transmute(value.as_bytes()) }
[INFO] [stderr] 453 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#should_implement_trait
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:452:18
[INFO] [stderr]     |
[INFO] [stderr] 452 |         unsafe { transmute(value.as_bytes()) }
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(value.as_bytes() as *const [u8] as *const Wtf8)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:654:15
[INFO] [stderr]     |
[INFO] [stderr] 654 |     0xD800 | (second_byte as u16 & 0x3F) << 6 | third_byte as u16 & 0x3F
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(second_byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:654:49
[INFO] [stderr]     |
[INFO] [stderr] 654 |     0xD800 | (second_byte as u16 & 0x3F) << 6 | third_byte as u16 & 0x3F
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^ help: try: `u16::from(third_byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:659:35
[INFO] [stderr]     |
[INFO] [stderr] 659 |     let code_point = 0x10000 + (((lead as u32 - 0xD800) << 10) | (trail as u32 - 0xDC00));
[INFO] [stderr]     |                                   ^^^^^^^^^^^ help: try: `u32::from(lead)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:659:67
[INFO] [stderr]     |
[INFO] [stderr] 659 |     let code_point = 0x10000 + (((lead as u32 - 0xD800) << 10) | (trail as u32 - 0xDC00));
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^ help: try: `u32::from(trail)`
[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: transmute from a `u32` to a `char`
[INFO] [stderr]    --> src/lib.rs:660:14
[INFO] [stderr]     |
[INFO] [stderr] 660 |     unsafe { transmute(code_point) }
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::char::from_u32(code_point).unwrap()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_int_to_char
[INFO] [stderr] 
[INFO] [stderr] error: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/lib.rs:734:1
[INFO] [stderr]     |
[INFO] [stderr] 734 | / impl hash::Hash for CodePoint {
[INFO] [stderr] 735 | |     #[inline]
[INFO] [stderr] 736 | |     fn hash<H: hash::Hasher>(&self, state: &mut H) {
[INFO] [stderr] 737 | |         self.value.hash(state)
[INFO] [stderr] 738 | |     }
[INFO] [stderr] 739 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::derive_hash_xor_eq)] on by default
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/lib.rs:56:14
[INFO] [stderr]     |
[INFO] [stderr] 56  | #[derive(Eq, PartialEq, Ord, PartialOrd, Clone)]
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] error: you are implementing `Hash` explicitly but have derived `PartialEq`
[INFO] [stderr]    --> src/lib.rs:741:1
[INFO] [stderr]     |
[INFO] [stderr] 741 | / impl hash::Hash for Wtf8Buf {
[INFO] [stderr] 742 | |     #[inline]
[INFO] [stderr] 743 | |     fn hash<H: hash::Hasher>(&self, state: &mut H) {
[INFO] [stderr] 744 | |         Wtf8::hash(self, state)
[INFO] [stderr] 745 | |     }
[INFO] [stderr] 746 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr] note: `PartialEq` implemented here
[INFO] [stderr]    --> src/lib.rs:134:14
[INFO] [stderr]     |
[INFO] [stderr] 134 | #[derive(Eq, PartialEq, Ord, PartialOrd, Clone)]
[INFO] [stderr]     |              ^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derive_hash_xor_eq
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:901:48
[INFO] [stderr]     |
[INFO] [stderr] 901 |         fn w(value: &[u8]) -> &Wtf8 { unsafe { transmute(value) } }
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: try: `&*(value as *const [u8] as *const Wtf8)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/lib.rs:995:25
[INFO] [stderr]     |
[INFO] [stderr] 995 |             fn c(value: &u32) -> CodePoint { CodePoint::from_u32(*value).unwrap() }
[INFO] [stderr]     |                         ^^^^ help: consider passing by value instead: `u32`
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `wtf8`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4782b63bb351633cb0ce3ec314968537bfbb5f3712c4a529cae626152cdcc896"`
[INFO] running `"docker" "rm" "-f" "4782b63bb351633cb0ce3ec314968537bfbb5f3712c4a529cae626152cdcc896"`
[INFO] [stdout] 4782b63bb351633cb0ce3ec314968537bfbb5f3712c4a529cae626152cdcc896