[INFO] crate cesu8 1.1.0 is already in cache
[INFO] extracting crate cesu8 1.1.0 into work/ex/clippy-test-run/sources/stable/reg/cesu8/1.1.0
[INFO] extracting crate cesu8 1.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cesu8/1.1.0
[INFO] validating manifest of cesu8-1.1.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cesu8-1.1.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cesu8-1.1.0
[INFO] finished frobbing cesu8-1.1.0
[INFO] frobbed toml for cesu8-1.1.0 written to work/ex/clippy-test-run/sources/stable/reg/cesu8/1.1.0/Cargo.toml
[INFO] started frobbing cesu8-1.1.0
[INFO] finished frobbing cesu8-1.1.0
[INFO] frobbed toml for cesu8-1.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cesu8/1.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting cesu8-1.1.0 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/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/cesu8/1.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bed6b039ff29dee22aba7f87725c1bfece366839598fa243b185f3e5c5836f91
[INFO] running `"docker" "start" "-a" "bed6b039ff29dee22aba7f87725c1bfece366839598fa243b185f3e5c5836f91"`
[INFO] [stderr]     Checking cesu8 v1.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:406:21
[INFO] [stderr]     |
[INFO] [stderr] 406 |                 let c = s.chars().next().unwrap() as u32 - 0x10000;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/lib.rs:406:21
[INFO] [stderr]     |
[INFO] [stderr] 406 |                 let c = s.chars().next().unwrap() as u32 - 0x10000;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/unicode.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return UTF8_CHAR_WIDTH[b as usize] as usize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `UTF8_CHAR_WIDTH[b as usize] as usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:321:13
[INFO] [stderr]     |
[INFO] [stderr] 321 |     assert!(0x010000 <= c && c <= 0x10FFFF);
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0001_0000`
[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:321:35
[INFO] [stderr]     |
[INFO] [stderr] 321 |     assert!(0x010000 <= c && c <= 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: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:328:22
[INFO] [stderr]     |
[INFO] [stderr] 328 |      TAG_CONT_U8   | ((c & 0b0_0000_0000_0000_0011_1111)      ) as u8]
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:383:42
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut encoded = Vec::with_capacity(bytes.len() + bytes.len() >> 2);
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(bytes.len() + bytes.len()) >> 2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:450:6
[INFO] [stderr]     |
[INFO] [stderr] 450 |     [0b11100000  | ((surrogate & 0b11110000_00000000) >> 12) as u8,
[INFO] [stderr]     |      ^^^^^^^^^^ help: consider: `0b1110_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/lib.rs:450:34
[INFO] [stderr]     |
[INFO] [stderr] 450 |     [0b11100000  | ((surrogate & 0b11110000_00000000) >> 12) as u8,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: consider: `0b1111_0000_0000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_digit_groups)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/lib.rs:451:34
[INFO] [stderr]     |
[INFO] [stderr] 451 |      TAG_CONT_U8 | ((surrogate & 0b00001111_11000000) >>  6) as u8,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_1111_1100_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:452:20
[INFO] [stderr]     |
[INFO] [stderr] 452 |      TAG_CONT_U8 | ((surrogate & 0b00000000_00111111)      ) as u8]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/lib.rs:452:34
[INFO] [stderr]     |
[INFO] [stderr] 452 |      TAG_CONT_U8 | ((surrogate & 0b00000000_00111111)      ) as u8]
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0011_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/unicode.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     return UTF8_CHAR_WIDTH[b as usize] as usize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `UTF8_CHAR_WIDTH[b as usize] as usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:321:13
[INFO] [stderr]     |
[INFO] [stderr] 321 |     assert!(0x010000 <= c && c <= 0x10FFFF);
[INFO] [stderr]     |             ^^^^^^^^ help: consider: `0x0001_0000`
[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:321:35
[INFO] [stderr]     |
[INFO] [stderr] 321 |     assert!(0x010000 <= c && c <= 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: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:328:22
[INFO] [stderr]     |
[INFO] [stderr] 328 |      TAG_CONT_U8   | ((c & 0b0_0000_0000_0000_0011_1111)      ) as u8]
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::double_parens)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: operator precedence can trip the unwary
[INFO] [stderr]    --> src/lib.rs:383:42
[INFO] [stderr]     |
[INFO] [stderr] 383 |     let mut encoded = Vec::with_capacity(bytes.len() + bytes.len() >> 2);
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `(bytes.len() + bytes.len()) >> 2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::precedence)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#precedence
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:450:6
[INFO] [stderr]     |
[INFO] [stderr] 450 |     [0b11100000  | ((surrogate & 0b11110000_00000000) >> 12) as u8,
[INFO] [stderr]     |      ^^^^^^^^^^ help: consider: `0b1110_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/lib.rs:450:34
[INFO] [stderr]     |
[INFO] [stderr] 450 |     [0b11100000  | ((surrogate & 0b11110000_00000000) >> 12) as u8,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: consider: `0b1111_0000_0000_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::large_digit_groups)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/lib.rs:451:34
[INFO] [stderr]     |
[INFO] [stderr] 451 |      TAG_CONT_U8 | ((surrogate & 0b00001111_11000000) >>  6) as u8,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_1111_1100_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: Consider removing unnecessary double parentheses
[INFO] [stderr]    --> src/lib.rs:452:20
[INFO] [stderr]     |
[INFO] [stderr] 452 |      TAG_CONT_U8 | ((surrogate & 0b00000000_00111111)      ) as u8]
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#double_parens
[INFO] [stderr] 
[INFO] [stderr] warning: digit groups should be smaller
[INFO] [stderr]    --> src/lib.rs:452:34
[INFO] [stderr]     |
[INFO] [stderr] 452 |      TAG_CONT_U8 | ((surrogate & 0b00000000_00111111)      ) as u8]
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^ help: consider: `0b0000_0000_0011_1111`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#large_digit_groups
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:308:17
[INFO] [stderr]     |
[INFO] [stderr] 308 |     0xD000u32 | ((second & CONT_MASK) as u32) << 6 | (third & CONT_MASK) as u32
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(second & CONT_MASK)`
[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/lib.rs:308:54
[INFO] [stderr]     |
[INFO] [stderr] 308 |     0xD000u32 | ((second & CONT_MASK) as u32) << 6 | (third & CONT_MASK) as u32
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(third & 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/lib.rs:308:17
[INFO] [stderr]     |
[INFO] [stderr] 308 |     0xD000u32 | ((second & CONT_MASK) as u32) << 6 | (third & CONT_MASK) as u32
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(second & CONT_MASK)`
[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/lib.rs:308:54
[INFO] [stderr]     |
[INFO] [stderr] 308 |     0xD000u32 | ((second & CONT_MASK) as u32) << 6 | (third & CONT_MASK) as u32
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(third & 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "bed6b039ff29dee22aba7f87725c1bfece366839598fa243b185f3e5c5836f91"`
[INFO] running `"docker" "rm" "-f" "bed6b039ff29dee22aba7f87725c1bfece366839598fa243b185f3e5c5836f91"`
[INFO] [stdout] bed6b039ff29dee22aba7f87725c1bfece366839598fa243b185f3e5c5836f91