[INFO] crate cxema 0.1.1 is already in cache
[INFO] extracting crate cxema 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/cxema/0.1.1
[INFO] extracting crate cxema 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cxema/0.1.1
[INFO] validating manifest of cxema-0.1.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cxema-0.1.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cxema-0.1.1
[INFO] finished frobbing cxema-0.1.1
[INFO] frobbed toml for cxema-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/cxema/0.1.1/Cargo.toml
[INFO] started frobbing cxema-0.1.1
[INFO] finished frobbing cxema-0.1.1
[INFO] frobbed toml for cxema-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cxema/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting cxema-0.1.1 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/cxema/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 22eccf6ed7f1c2e598adcaf53ae84d7cd4b776301adf9a916f16360f77c0d0f1
[INFO] running `"docker" "start" "-a" "22eccf6ed7f1c2e598adcaf53ae84d7cd4b776301adf9a916f16360f77c0d0f1"`
[INFO] [stderr]     Checking cxema v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mut d: u32 = self.intermediate_hash[3];
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut e: u32 = self.intermediate_hash[4];
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[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: 7th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let (k, f) = match i {
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[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: 8th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let (k, f) = match i {
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[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/sha1.rs:93:17
[INFO] [stderr]    |
[INFO] [stderr] 93 |         let mut d: u32 = self.intermediate_hash[3];
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut e: u32 = self.intermediate_hash[4];
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[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: 7th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:97:18
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let (k, f) = match i {
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[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: 8th binding whose name is just one char
[INFO] [stderr]   --> src/sha1.rs:97:21
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let (k, f) = match i {
[INFO] [stderr]    |                     ^
[INFO] [stderr]    |
[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: long literal lacking separators
[INFO] [stderr]   --> src/sha1.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     0x67452301u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0x6745_2301u32`
[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/sha1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     0xefcdab89u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0xefcd_ab89u32`
[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/sha1.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     0x98badcfeu32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0x98ba_dcfeu32`
[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/sha1.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     0x10325476u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0x1032_5476u32`
[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/sha1.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     0xc3d2e1f0u32
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0xc3d2_e1f0u32`
[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/sha1.rs:98:28
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 0...19 => (0x5A827999, ch!(b, c, d)),
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider: `0x5A82_7999`
[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/sha1.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 20...39 => (0x6ED9EBA1, parity!(b, c, d)),
[INFO] [stderr]    |                             ^^^^^^^^^^ help: consider: `0x6ED9_EBA1`
[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/sha1.rs:100:29
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 40...59 => (0x8F1BBCDC, maj!(b, c, d)),
[INFO] [stderr]     |                             ^^^^^^^^^^ help: consider: `0x8F1B_BCDC`
[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/sha1.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 60...79 => (0xCA62C1D6, parity!(b, c, d)),
[INFO] [stderr]     |                             ^^^^^^^^^^ help: consider: `0xCA62_C1D6`
[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: operator precedence can trip the unwary
[INFO] [stderr]    --> src/sha1.rs:136:23
[INFO] [stderr]     |
[INFO] [stderr] 136 |             out[i] = (self.intermediate_hash[i >> 2] >> 8 * (3 - (i & 0x03))) as u8;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `self.intermediate_hash[i >> 2] >> (8 * (3 - (i & 0x03)))`
[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/sha1.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     0x67452301u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0x6745_2301u32`
[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/sha1.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     0xefcdab89u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0xefcd_ab89u32`
[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/sha1.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     0x98badcfeu32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0x98ba_dcfeu32`
[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/sha1.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     0x10325476u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0x1032_5476u32`
[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/sha1.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     0xc3d2e1f0u32
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: consider: `0xc3d2_e1f0u32`
[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/sha1.rs:98:28
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 0...19 => (0x5A827999, ch!(b, c, d)),
[INFO] [stderr]    |                            ^^^^^^^^^^ help: consider: `0x5A82_7999`
[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/sha1.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 20...39 => (0x6ED9EBA1, parity!(b, c, d)),
[INFO] [stderr]    |                             ^^^^^^^^^^ help: consider: `0x6ED9_EBA1`
[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/sha1.rs:100:29
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 40...59 => (0x8F1BBCDC, maj!(b, c, d)),
[INFO] [stderr]     |                             ^^^^^^^^^^ help: consider: `0x8F1B_BCDC`
[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/sha1.rs:101:29
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 60...79 => (0xCA62C1D6, parity!(b, c, d)),
[INFO] [stderr]     |                             ^^^^^^^^^^ help: consider: `0xCA62_C1D6`
[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: operator precedence can trip the unwary
[INFO] [stderr]    --> src/sha1.rs:136:23
[INFO] [stderr]     |
[INFO] [stderr] 136 |             out[i] = (self.intermediate_hash[i >> 2] >> 8 * (3 - (i & 0x03))) as u8;
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider parenthesizing your expression: `self.intermediate_hash[i >> 2] >> (8 * (3 - (i & 0x03)))`
[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: you should consider adding a `Default` implementation for `sha1::Sha1`
[INFO] [stderr]   --> src/sha1.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     pub fn new() -> Sha1 {
[INFO] [stderr] 51 | |         let mut new_sha1 = Sha1 {
[INFO] [stderr] 52 | |             intermediate_hash: [0u32; SHA1_HASH_SIZE / 4],
[INFO] [stderr] 53 | |             length_low: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |         new_sha1
[INFO] [stderr] 64 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 49 | impl Default for sha1::Sha1 {
[INFO] [stderr] 50 |     fn default() -> Self {
[INFO] [stderr] 51 |         Self::new()
[INFO] [stderr] 52 |     }
[INFO] [stderr] 53 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `w`
[INFO] [stderr]   --> src/sha1.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for i in 0..16 {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for (i, <item>) in w.iter_mut().enumerate().take(16) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sha1.rs:80:20
[INFO] [stderr]    |
[INFO] [stderr] 80 |             w[i] = (self.message_block[i * 4] as u32) << 24;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4])`
[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/sha1.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |             w[i] |= (self.message_block[i * 4 + 1] as u32) << 16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4 + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sha1.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |             w[i] |= (self.message_block[i * 4 + 2] as u32) << 8;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4 + 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/sha1.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |             w[i] |= self.message_block[i * 4 + 3] as u32;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4 + 3])`
[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 loop variable `i` is used to index `w`
[INFO] [stderr]   --> src/sha1.rs:96:18
[INFO] [stderr]    |
[INFO] [stderr] 96 |         for i in 0..80 {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 96 |         for (i, <item>) in w.iter().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `out`
[INFO] [stderr]    --> src/sha1.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for i in 0..SHA1_HASH_SIZE {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for (i, <item>) in out.iter_mut().enumerate().take(SHA1_HASH_SIZE) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `input`.
[INFO] [stderr]    --> src/sha1.rs:199:18
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for i in 0..input.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for <item> in &input {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `sha1::Sha1`
[INFO] [stderr]   --> src/sha1.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 | /     pub fn new() -> Sha1 {
[INFO] [stderr] 51 | |         let mut new_sha1 = Sha1 {
[INFO] [stderr] 52 | |             intermediate_hash: [0u32; SHA1_HASH_SIZE / 4],
[INFO] [stderr] 53 | |             length_low: 0,
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |         new_sha1
[INFO] [stderr] 64 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 49 | impl Default for sha1::Sha1 {
[INFO] [stderr] 50 |     fn default() -> Self {
[INFO] [stderr] 51 |         Self::new()
[INFO] [stderr] 52 |     }
[INFO] [stderr] 53 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `w`
[INFO] [stderr]   --> src/sha1.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for i in 0..16 {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for (i, <item>) in w.iter_mut().enumerate().take(16) {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sha1.rs:80:20
[INFO] [stderr]    |
[INFO] [stderr] 80 |             w[i] = (self.message_block[i * 4] as u32) << 24;
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4])`
[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/sha1.rs:81:21
[INFO] [stderr]    |
[INFO] [stderr] 81 |             w[i] |= (self.message_block[i * 4 + 1] as u32) << 16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4 + 1])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/sha1.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 |             w[i] |= (self.message_block[i * 4 + 2] as u32) << 8;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4 + 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/sha1.rs:83:21
[INFO] [stderr]    |
[INFO] [stderr] 83 |             w[i] |= self.message_block[i * 4 + 3] as u32;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.message_block[i * 4 + 3])`
[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 loop variable `i` is used to index `w`
[INFO] [stderr]   --> src/sha1.rs:96:18
[INFO] [stderr]    |
[INFO] [stderr] 96 |         for i in 0..80 {
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 96 |         for (i, <item>) in w.iter().enumerate() {
[INFO] [stderr]    |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `out`
[INFO] [stderr]    --> src/sha1.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for i in 0..SHA1_HASH_SIZE {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for (i, <item>) in out.iter_mut().enumerate().take(SHA1_HASH_SIZE) {
[INFO] [stderr]     |             ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `input`.
[INFO] [stderr]    --> src/sha1.rs:199:18
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for i in 0..input.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 199 |         for <item> in &input {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/sha1.rs:310:17
[INFO] [stderr]     |
[INFO] [stderr] 310 |                 left = left - take;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: replace it with: `left -= take`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "22eccf6ed7f1c2e598adcaf53ae84d7cd4b776301adf9a916f16360f77c0d0f1"`
[INFO] running `"docker" "rm" "-f" "22eccf6ed7f1c2e598adcaf53ae84d7cd4b776301adf9a916f16360f77c0d0f1"`
[INFO] [stdout] 22eccf6ed7f1c2e598adcaf53ae84d7cd4b776301adf9a916f16360f77c0d0f1