[INFO] crate stfu8 0.2.4 is already in cache
[INFO] extracting crate stfu8 0.2.4 into work/ex/clippy-test-run/sources/stable/reg/stfu8/0.2.4
[INFO] extracting crate stfu8 0.2.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stfu8/0.2.4
[INFO] validating manifest of stfu8-0.2.4 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 stfu8-0.2.4 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 stfu8-0.2.4
[INFO] finished frobbing stfu8-0.2.4
[INFO] frobbed toml for stfu8-0.2.4 written to work/ex/clippy-test-run/sources/stable/reg/stfu8/0.2.4/Cargo.toml
[INFO] started frobbing stfu8-0.2.4
[INFO] finished frobbing stfu8-0.2.4
[INFO] frobbed toml for stfu8-0.2.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/stfu8/0.2.4/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 stfu8-0.2.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/stfu8/0.2.4:/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] 7474a4278ccf17794cd47e3a5a622b9bc604478368b532f12be6e1bb975cd367
[INFO] running `"docker" "start" "-a" "7474a4278ccf17794cd47e3a5a622b9bc604478368b532f12be6e1bb975cd367"`
[INFO] [stderr]     Checking pretty_assertions v0.4.1
[INFO] [stderr]     Checking proptest v0.3.4
[INFO] [stderr]     Checking stfu8 v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/helpers.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         v[0] as u32
[INFO] [stderr]    |         ^^^^^^^^^^^ help: try: `u32::from(v[0])`
[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 u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/helpers.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let lead = v[0] as i64;
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: try: `i64::from(v[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/helpers.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let trail = v[1] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: try: `i64::from(v[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/decode.rs:50:1
[INFO] [stderr]     |
[INFO] [stderr] 50  | / pub(crate) fn decode_generic<'a, F>(
[INFO] [stderr] 51  | |     mut push_val: F,
[INFO] [stderr] 52  | |     s: &'a str
[INFO] [stderr] 53  | | )
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |     Ok(())
[INFO] [stderr] 108 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:72:22
[INFO] [stderr]    |
[INFO] [stderr] 72 |             "\\t" => b'\t' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::from(b'\t')`
[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/decode.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 |             "\\n" => b'\n' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::from(b'\n')`
[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/decode.rs:74:22
[INFO] [stderr]    |
[INFO] [stderr] 74 |             "\\r" => b'\r' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::from(b'\r')`
[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/decode.rs:75:22
[INFO] [stderr]    |
[INFO] [stderr] 75 |             "\\\\" =>b'\\' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |             "\\x" => from_hex2(&mat.as_str().as_bytes()[2..]) as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&mat.as_str().as_bytes()[2..]))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let d0 = from_hex2(&hex6[0..2]) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&hex6[0..2]))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 let d1 = from_hex2(&hex6[2..4]) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&hex6[2..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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 let d2 = from_hex2(&hex6[4..]) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&hex6[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: the function has a cyclomatic complexity of 49
[INFO] [stderr]    --> src/encode_u8.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / pub(crate) fn encode(encoder: &super::Encoder, v: &[u8]) -> String {
[INFO] [stderr] 22  | |     let mut index = 0;
[INFO] [stderr] 23  | |     let len = v.len();
[INFO] [stderr] 24  | |     let mut out = String::with_capacity(len + len / 8);
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |     out
[INFO] [stderr] 134 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/encode_u8.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for i in old_offset..(index+1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 94 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[INFO] [stderr]    |                        ------- in this macro invocation
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/encode_u8.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for i in old_offset..(index+1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 95 |                         escape_them!(); //orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/encode_u8.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for i in old_offset..(index+1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 99 |                     match (first, next!()) {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 104 |                         _ => escape_them!(), // orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 106 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 107 |                         escape_them!(); //orig: err!(Some(2))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 111 |                     match (first, next!()) {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 113 |                         _ => escape_them!(), //orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 115 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 116 |                         escape_them!(); //orig: err!(Some(2))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 118 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 119 |                         escape_them!(); //orig: err!(Some(3))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 122 |                 _ => escape_them!(), //orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:58:45
[INFO] [stderr]     |
[INFO] [stderr] 58  |             out.push_str(&str::from_utf8(&v[old_offset..(index+1)]).unwrap());
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 125 |             write_them!();
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:214:30
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     if val > u8::MAX as u32 {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: try: `u32::from(u8::MAX)`
[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:276:30
[INFO] [stderr]     |
[INFO] [stderr] 276 |                     if val > u16::MAX as u32 {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: try: `u32::from(u16::MAX)`
[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: lint name `zero_width_space` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> tests/sanity.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![allow(zero_width_space)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^ help: change it to: `clippy::zero_width_space`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> tests/fuzz.rs:78:59
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn fuzz_u16_binary(ref v in proptest::collection::vec(0..(u32::from(u16::MAX) + 1), 0..300)) {
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `0..=u32::from(u16::MAX)`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> tests/fuzz.rs:88:62
[INFO] [stderr]    |
[INFO] [stderr] 88 |     fn fuzz_u32_illformed(ref v in proptest::collection::vec(LEAD_MIN..(TRAIL_MAX+1), 0..300)) {
[INFO] [stderr]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use: `LEAD_MIN..=TRAIL_MAX`
[INFO] [stderr]    |
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/helpers.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         v[0] as u32
[INFO] [stderr]    |         ^^^^^^^^^^^ help: try: `u32::from(v[0])`
[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 u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/helpers.rs:40:20
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let lead = v[0] as i64;
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: try: `i64::from(v[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i64 may become silently lossy if types change
[INFO] [stderr]   --> src/helpers.rs:41:21
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let trail = v[1] as i64;
[INFO] [stderr]    |                     ^^^^^^^^^^^ help: try: `i64::from(v[1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: zero-width space detected
[INFO] [stderr]    --> src/helpers.rs:98:5
[INFO] [stderr]     |
[INFO] [stderr] 98  | /     fn sanity_utf_conversion() {
[INFO] [stderr] 99  | |         assert_conversions("foo bar", false);
[INFO] [stderr] 100 | |         assert_conversions("foo bar", false);
[INFO] [stderr] 101 | |         assert_conversions("¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­", false);
[INFO] [stderr] ...   |
[INFO] [stderr] 121 | |         );
[INFO] [stderr] 122 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::zero_width_space)] on by default
[INFO] [stderr]     = help: Consider replacing the string with:
[INFO] [stderr]             "fn sanity_utf_conversion() {
[INFO] [stderr]                     assert_conversions("foo bar", false);
[INFO] [stderr]                     assert_conversions("foo bar", false);
[INFO] [stderr]                     assert_conversions("¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­", false);
[INFO] [stderr]                     assert_conversions(" ʰ ʱ ʲ ʳ ʴ ʵ ʶ ʷ ʸ ʹ ʺ ʻ", false);
[INFO] [stderr]                     assert_conversions("܀ ܁ ܂ ܃ ܄ ܅ ܆ ܇ ܈ ܉ ܊ ܋ ܌ ܍ ܏", false);
[INFO] [stderr]                     assert_conversions("Ꭰ Ꭱ Ꭲ Ꭳ Ꭴ Ꭵ Ꭶ Ꭷ Ꭸ Ꭹ", false);
[INFO] [stderr]                     assert_conversions("ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ Ἀ Ἁ", false);
[INFO] [stderr]                     assert_conversions(
[INFO] [stderr]                         "                          \u{200B} ‌ ‍ ‎ ‏ ‐ ",
[INFO] [stderr]                         false,
[INFO] [stderr]                     );
[INFO] [stderr]                     assert_conversions("‑ ‒ – — ― ‖ ‗ ‘ ’ ‚ ‛ “", false);
[INFO] [stderr]                     assert_conversions("    ⃐ ⃑ ⃒ ⃓ ⃔ ⃕ ⃖ ⃗ ⃘ ⃙ ⃚ ⃛ ⃜ ⃝ ⃞ ⃟ ⃠ ⃡ ⃢ ⃣ ⃤ ⃥ ⃦ ⃧ ⃨ ⃩ ⃪ ", false);
[INFO] [stderr]                     assert_conversions(
[INFO] [stderr]                         "⟰ ⟱ ⟲ ⟳ ⟴ ⟵ ⟶ ⟷ ⟸ ⟹ ⟺ ⟻ ⟼ ⟽ ⟾ ⟿",
[INFO] [stderr]                         false,
[INFO] [stderr]                     );
[INFO] [stderr]             
[INFO] [stderr]                     // suplimentary codes:
[INFO] [stderr]                     assert_conversions(
[INFO] [stderr]                         "𠜎 𠜎 𠜱 𠜱 𠝹 𠝹 𠱓 𠱓 𠱸 𠱸 𠲖 𠲖 𠳏 𠳏 𠳕 𠳕 𠴕 𠴕 𠵼 𠵼 𠵿 𠵿 𠸎 𠸎 𠸏 𠸏",
[INFO] [stderr]                         true,
[INFO] [stderr]                     );
[INFO] [stderr]                 }"
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_width_space
[INFO] [stderr] 
[INFO] [stderr] error: zero-width space detected
[INFO] [stderr]    --> src/helpers.rs:107:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |             "                          ​ ‌ ‍ ‎ ‏ ‐ ",
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider replacing the string with:
[INFO] [stderr]             ""                          \u{200B} ‌ ‍ ‎ ‏ ‐ ""
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_width_space
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/decode.rs:50:1
[INFO] [stderr]     |
[INFO] [stderr] 50  | / pub(crate) fn decode_generic<'a, F>(
[INFO] [stderr] 51  | |     mut push_val: F,
[INFO] [stderr] 52  | |     s: &'a str
[INFO] [stderr] 53  | | )
[INFO] [stderr] ...   |
[INFO] [stderr] 107 | |     Ok(())
[INFO] [stderr] 108 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:72:22
[INFO] [stderr]    |
[INFO] [stderr] 72 |             "\\t" => b'\t' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::from(b'\t')`
[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/decode.rs:73:22
[INFO] [stderr]    |
[INFO] [stderr] 73 |             "\\n" => b'\n' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::from(b'\n')`
[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/decode.rs:74:22
[INFO] [stderr]    |
[INFO] [stderr] 74 |             "\\r" => b'\r' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::from(b'\r')`
[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/decode.rs:75:22
[INFO] [stderr]    |
[INFO] [stderr] 75 |             "\\\\" =>b'\\' as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u32::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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |             "\\x" => from_hex2(&mat.as_str().as_bytes()[2..]) as u32,
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&mat.as_str().as_bytes()[2..]))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 let d0 = from_hex2(&hex6[0..2]) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&hex6[0..2]))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 let d1 = from_hex2(&hex6[2..4]) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&hex6[2..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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/decode.rs:82:26
[INFO] [stderr]    |
[INFO] [stderr] 82 |                 let d2 = from_hex2(&hex6[4..]) as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(from_hex2(&hex6[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: the function has a cyclomatic complexity of 49
[INFO] [stderr]    --> src/encode_u8.rs:21:1
[INFO] [stderr]     |
[INFO] [stderr] 21  | / pub(crate) fn encode(encoder: &super::Encoder, v: &[u8]) -> String {
[INFO] [stderr] 22  | |     let mut index = 0;
[INFO] [stderr] 23  | |     let len = v.len();
[INFO] [stderr] 24  | |     let mut out = String::with_capacity(len + len / 8);
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |     out
[INFO] [stderr] 134 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/encode_u8.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for i in old_offset..(index+1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 94 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[INFO] [stderr]    |                        ------- in this macro invocation
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/encode_u8.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for i in old_offset..(index+1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 95 |                         escape_them!(); //orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/encode_u8.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for i in old_offset..(index+1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 99 |                     match (first, next!()) {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 104 |                         _ => escape_them!(), // orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 106 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 107 |                         escape_them!(); //orig: err!(Some(2))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 111 |                     match (first, next!()) {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 113 |                         _ => escape_them!(), //orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 115 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 116 |                         escape_them!(); //orig: err!(Some(2))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 118 |                     if next!() & !CONT_MASK != TAG_CONT_U8 {
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 119 |                         escape_them!(); //orig: err!(Some(3))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:48:22
[INFO] [stderr]     |
[INFO] [stderr] 48  |             for i in old_offset..(index+1) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 122 |                 _ => escape_them!(), //orig: err!(Some(1))
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/encode_u8.rs:58:45
[INFO] [stderr]     |
[INFO] [stderr] 58  |             out.push_str(&str::from_utf8(&v[old_offset..(index+1)]).unwrap());
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^^^^^^^^^ help: use: `old_offset..=index`
[INFO] [stderr] ...
[INFO] [stderr] 125 |             write_them!();
[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#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] error: zero-width space detected
[INFO] [stderr]    --> src/encode_u8.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | / fn sanity_encode() {
[INFO] [stderr] 163 | |     fn enc(s: &str) -> String {
[INFO] [stderr] 164 | |         let out = encode(&super::Encoder::new(), s.as_bytes());
[INFO] [stderr] 165 | |         // validation, we may use from_utf8_unchecked in the future
[INFO] [stderr] ...   |
[INFO] [stderr] 192 | |     );
[INFO] [stderr] 193 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider replacing the string with:
[INFO] [stderr]             "fn sanity_encode() {
[INFO] [stderr]                 fn enc(s: &str) -> String {
[INFO] [stderr]                     let out = encode(&super::Encoder::new(), s.as_bytes());
[INFO] [stderr]                     // validation, we may use from_utf8_unchecked in the future
[INFO] [stderr]                     let _ = ::std::str::from_utf8(&out.as_bytes()).unwrap();
[INFO] [stderr]                     out
[INFO] [stderr]                 }
[INFO] [stderr]                 fn assert_enc(s: &str) {
[INFO] [stderr]                     assert_eq!(enc(s), s);
[INFO] [stderr]                 }
[INFO] [stderr]                 assert_enc("foo bar");
[INFO] [stderr]                 assert_enc("¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­");
[INFO] [stderr]                 assert_enc(" ʰ ʱ ʲ ʳ ʴ ʵ ʶ ʷ ʸ ʹ ʺ ʻ");
[INFO] [stderr]                 assert_enc("܀ ܁ ܂ ܃ ܄ ܅ ܆ ܇ ܈ ܉ ܊ ܋ ܌ ܍ ܏");
[INFO] [stderr]                 assert_enc("Ꭰ Ꭱ Ꭲ Ꭳ Ꭴ Ꭵ Ꭶ Ꭷ Ꭸ Ꭹ");
[INFO] [stderr]                 assert_enc("ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ Ἀ Ἁ");
[INFO] [stderr]                 assert_enc("                          \u{200B} ‌ ‍ ‎ ‏ ‐ ");
[INFO] [stderr]                 assert_enc("‑ ‒ – — ― ‖ ‗ ‘ ’ ‚ ‛ “");;
[INFO] [stderr]                 assert_enc("    ⃐ ⃑ ⃒ ⃓ ⃔ ⃕ ⃖ ⃗ ⃘ ⃙ ⃚ ⃛ ⃜ ⃝ ⃞ ⃟ ⃠ ⃡ ⃢ ⃣ ⃤ ⃥ ⃦ ⃧ ⃨ ⃩ ⃪ ");
[INFO] [stderr]             
[INFO] [stderr]                 // Test that `\` gets escaped
[INFO] [stderr]                 assert_eq!(
[INFO] [stderr]                     /**/ enc("¡ ¢ £ ¤ \\¥ ¦ § ¨ © ª « \\¬ ­"),
[INFO] [stderr]                     /*   */ r"¡ ¢ £ ¤ \\¥ ¦ § ¨ © ª « \\¬ ­"
[INFO] [stderr]                 );
[INFO] [stderr]             
[INFO] [stderr]                 // Test that newlines gets escaped
[INFO] [stderr]                 assert_eq!(
[INFO] [stderr]                     /**/ enc("Ā ā Ă \nă Ą ą Ć\n ć Ĉ ĉ\n"),
[INFO] [stderr]                     /*   */ r"Ā ā Ă \nă Ą ą Ć\n ć Ĉ ĉ\n",
[INFO] [stderr]                 );
[INFO] [stderr]             }"
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_width_space
[INFO] [stderr] 
[INFO] [stderr] error: zero-width space detected
[INFO] [stderr]    --> src/encode_u8.rs:178:16
[INFO] [stderr]     |
[INFO] [stderr] 178 |     assert_enc("                          ​ ‌ ‍ ‎ ‏ ‐ ");
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider replacing the string with:
[INFO] [stderr]             ""                          \u{200B} ‌ ‍ ‎ ‏ ‐ ""
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_width_space
[INFO] [stderr] 
[INFO] [stderr] error: zero-width space detected
[INFO] [stderr]    --> src/encode_u16.rs:79:1
[INFO] [stderr]     |
[INFO] [stderr] 79  | / fn sanity_encode() {
[INFO] [stderr] 80  | |     fn enc(s: &str) -> String {
[INFO] [stderr] 81  | |         let utf16: Vec<u16> = s.encode_utf16().collect();
[INFO] [stderr] 82  | |         println!("utf16: {:?}", utf16);
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |     );
[INFO] [stderr] 113 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Consider replacing the string with:
[INFO] [stderr]             "fn sanity_encode() {
[INFO] [stderr]                 fn enc(s: &str) -> String {
[INFO] [stderr]                     let utf16: Vec<u16> = s.encode_utf16().collect();
[INFO] [stderr]                     println!("utf16: {:?}", utf16);
[INFO] [stderr]                     let out = encode(&super::Encoder::new(), &utf16);
[INFO] [stderr]                     // validation, we may use from_utf8_unchecked in the future
[INFO] [stderr]                     let _ = ::std::str::from_utf8(&out.as_bytes()).unwrap();
[INFO] [stderr]                     out
[INFO] [stderr]                 }
[INFO] [stderr]                 fn assert_enc(s: &str) {
[INFO] [stderr]                     assert_eq!(enc(s), s);
[INFO] [stderr]                 }
[INFO] [stderr]                 assert_enc("foo bar");
[INFO] [stderr]                 assert_enc("foo bar");
[INFO] [stderr]                 assert_enc("¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­");
[INFO] [stderr]                 assert_enc(" ʰ ʱ ʲ ʳ ʴ ʵ ʶ ʷ ʸ ʹ ʺ ʻ");
[INFO] [stderr]                 assert_enc("܀ ܁ ܂ ܃ ܄ ܅ ܆ ܇ ܈ ܉ ܊ ܋ ܌ ܍ ܏");
[INFO] [stderr]                 assert_enc("Ꭰ Ꭱ Ꭲ Ꭳ Ꭴ Ꭵ Ꭶ Ꭷ Ꭸ Ꭹ");
[INFO] [stderr]                 assert_enc("ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ Ἀ Ἁ");
[INFO] [stderr]                 assert_enc("                          \u{200B} ‌ ‍ ‎ ‏ ‐ ");
[INFO] [stderr]                 assert_enc("‑ ‒ – — ― ‖ ‗ ‘ ’ ‚ ‛ “");;
[INFO] [stderr]                 assert_enc("    ⃐ ⃑ ⃒ ⃓ ⃔ ⃕ ⃖ ⃗ ⃘ ⃙ ⃚ ⃛ ⃜ ⃝ ⃞ ⃟ ⃠ ⃡ ⃢ ⃣ ⃤ ⃥ ⃦ ⃧ ⃨ ⃩ ⃪ ");
[INFO] [stderr]             
[INFO] [stderr]                 // Test that `\` gets escaped
[INFO] [stderr]                 assert_eq!(
[INFO] [stderr]                     /**/ enc("¡ ¢ £ ¤ \\¥ ¦ § ¨ © ª « \\¬ ­"),
[INFO] [stderr]                     /*   */ r"¡ ¢ £ ¤ \\¥ ¦ § ¨ © ª « \\¬ ­"
[INFO] [stderr]                 );
[INFO] [stderr]             
[INFO] [stderr]                 // Test that newlines gets escaped
[INFO] [stderr]                 assert_eq!(
[INFO] [stderr]                     /**/ enc("Ā ā Ă \nă Ą ą Ć\n ć Ĉ ĉ\n"),
[INFO] [stderr]                     /*   */ r"Ā ā Ă \nă Ą ą Ć\n ć Ĉ ĉ\n",
[INFO] [stderr]                 );
[INFO] [stderr]             }"
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_width_space
[INFO] [stderr] 
[INFO] [stderr] error: zero-width space detected
[INFO] [stderr]   --> src/encode_u16.rs:98:16
[INFO] [stderr]    |
[INFO] [stderr] 98 |     assert_enc("                          ​ ‌ ‍ ‎ ‏ ‐ ");
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Consider replacing the string with:
[INFO] [stderr]            ""                          \u{200B} ‌ ‍ ‎ ‏ ‐ ""
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#zero_width_space
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:214:30
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     if val > u8::MAX as u32 {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^ help: try: `u32::from(u8::MAX)`
[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:276:30
[INFO] [stderr]     |
[INFO] [stderr] 276 |                     if val > u16::MAX as u32 {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^ help: try: `u32::from(u16::MAX)`
[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: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `stfu8`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: lint name `zero_width_space` is deprecated and may not have an effect in the future. Also `cfg_attr(cargo-clippy)` won't be necessary anymore
[INFO] [stderr]  --> tests/sanity.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![allow(zero_width_space)]
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^ help: change it to: `clippy::zero_width_space`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7474a4278ccf17794cd47e3a5a622b9bc604478368b532f12be6e1bb975cd367"`
[INFO] running `"docker" "rm" "-f" "7474a4278ccf17794cd47e3a5a622b9bc604478368b532f12be6e1bb975cd367"`
[INFO] [stdout] 7474a4278ccf17794cd47e3a5a622b9bc604478368b532f12be6e1bb975cd367