[INFO] crate adler32 1.0.3 is already in cache
[INFO] extracting crate adler32 1.0.3 into work/ex/clippy-test-run/sources/stable/reg/adler32/1.0.3
[INFO] extracting crate adler32 1.0.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/adler32/1.0.3
[INFO] validating manifest of adler32-1.0.3 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of adler32-1.0.3 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing adler32-1.0.3
[INFO] finished frobbing adler32-1.0.3
[INFO] frobbed toml for adler32-1.0.3 written to work/ex/clippy-test-run/sources/stable/reg/adler32/1.0.3/Cargo.toml
[INFO] started frobbing adler32-1.0.3
[INFO] finished frobbing adler32-1.0.3
[INFO] frobbed toml for adler32-1.0.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/adler32/1.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting adler32-1.0.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/adler32/1.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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] 4c032eb524005d372dcdc72a5445c5cd22bba8c9d9b9ebf91066c15b21ea8944
[INFO] running `"docker" "start" "-a" "4c032eb524005d372dcdc72a5445c5cd22bba8c9d9b9ebf91066c15b21ea8944"`
[INFO] [stderr]     Checking adler32 v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:102:26
[INFO] [stderr]     |
[INFO] [stderr] 102 |         RollingAdler32 { a: a, b: b }
[INFO] [stderr]     |                          ^^^^ help: replace it with: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |         RollingAdler32 { a: a, b: b }
[INFO] [stderr]     |                                ^^^^ help: replace it with: `b`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:102:26
[INFO] [stderr]     |
[INFO] [stderr] 102 |         RollingAdler32 { a: a, b: b }
[INFO] [stderr]     |                          ^^^^ help: replace it with: `a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:102:32
[INFO] [stderr]     |
[INFO] [stderr] 102 |         RollingAdler32 { a: a, b: b }
[INFO] [stderr]     |                                ^^^^ help: replace it with: `b`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |     *adler += buf[0] as u32;
[INFO] [stderr]    |               ^^^^^^^^^^^^^ help: try: `u32::from(buf[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: you should consider deriving a `Default` implementation for `RollingAdler32`
[INFO] [stderr]   --> src/lib.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     pub fn new() -> RollingAdler32 {
[INFO] [stderr] 95 | |         Self::from_value(1)
[INFO] [stderr] 96 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 87 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let byte = byte as u32;
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: try: `u32::from(byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:128:20
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let byte = byte as u32;
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: try: `u32::from(byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `pos` is only used to index `buffer`.
[INFO] [stderr]    --> src/lib.rs:145:24
[INFO] [stderr]     |
[INFO] [stderr] 145 |             for pos in 0..len {
[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] 145 |             for <item> in buffer.iter().take(len) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:146:27
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 self.a += buffer[pos] as u32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(buffer[pos])`
[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:177:27
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 self.a += buffer[pos] as u32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(buffer[pos])`
[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: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |         do_test(0x00000001, b"");
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x0000_0001`
[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:231:17
[INFO] [stderr]     |
[INFO] [stderr] 231 |         do_test(0x00620062, b"a");
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x0062_0062`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:232:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |         do_test(0x024d0127, b"abc");
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x024d_0127`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |         do_test(0x29750586, b"message digest");
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x2975_0586`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:234:17
[INFO] [stderr]     |
[INFO] [stderr] 234 |         do_test(0x90860b20, b"abcdefghijklmnopqrstuvwxyz");
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x9086_0b20`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:235:17
[INFO] [stderr]     |
[INFO] [stderr] 235 |         do_test(0x8adb150c, b"ABCDEFGHIJKLMNOPQRSTUVWXYZ\
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x8adb_150c`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:238:17
[INFO] [stderr]     |
[INFO] [stderr] 238 |         do_test(0x97b61069, b"1234567890123456789012345678901234567890\
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0x97b6_1069`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |         do_test(0xD6251498, &[255; 64000]);
[INFO] [stderr]     |                 ^^^^^^^^^^ help: consider: `0xD625_1498`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:260:47
[INFO] [stderr]     |
[INFO] [stderr] 260 |         assert_eq!(RollingAdler32::from_value(0x01020304).hash(), 0x01020304);
[INFO] [stderr]     |                                               ^^^^^^^^^^ help: consider: `0x0102_0304`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:260:67
[INFO] [stderr]     |
[INFO] [stderr] 260 |         assert_eq!(RollingAdler32::from_value(0x01020304).hash(), 0x01020304);
[INFO] [stderr]     |                                                                   ^^^^^^^^^^ help: consider: `0x0102_0304`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:296:41
[INFO] [stderr]     |
[INFO] [stderr] 296 |                 assert_eq!(hash.hash(), 0x433a8772);
[INFO] [stderr]     |                                         ^^^^^^^^^^ help: consider: `0x433a_8772`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:299:33
[INFO] [stderr]     |
[INFO] [stderr] 299 |         assert_eq!(hash.hash(), 0xbbba8772);
[INFO] [stderr]     |                                 ^^^^^^^^^^ help: consider: `0xbbba_8772`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/lib.rs:54:15
[INFO] [stderr]    |
[INFO] [stderr] 54 |     *adler += buf[0] as u32;
[INFO] [stderr]    |               ^^^^^^^^^^^^^ help: try: `u32::from(buf[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: you should consider deriving a `Default` implementation for `RollingAdler32`
[INFO] [stderr]   --> src/lib.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | /     pub fn new() -> RollingAdler32 {
[INFO] [stderr] 95 | |         Self::from_value(1)
[INFO] [stderr] 96 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 87 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:119:20
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let byte = byte as u32;
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: try: `u32::from(byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:128:20
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let byte = byte as u32;
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: try: `u32::from(byte)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `pos` is only used to index `buffer`.
[INFO] [stderr]    --> src/lib.rs:145:24
[INFO] [stderr]     |
[INFO] [stderr] 145 |             for pos in 0..len {
[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] 145 |             for <item> in buffer.iter().take(len) {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:146:27
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 self.a += buffer[pos] as u32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(buffer[pos])`
[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:177:27
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 self.a += buffer[pos] as u32;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try: `u32::from(buffer[pos])`
[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:212:24
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let byte = try!(byte) as u32;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let byte = u32::from(match $ expr {
[INFO] [stderr] 213 | $ crate :: result :: Result :: Ok ( val ) => val , $ crate :: result :: Result
[INFO] [stderr] 214 | :: Err ( err ) => {
[INFO] [stderr] 215 | return $ crate :: result :: Result :: Err (
[INFO] [stderr] 216 | $ crate :: convert :: From :: from ( err ) ) } });
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "4c032eb524005d372dcdc72a5445c5cd22bba8c9d9b9ebf91066c15b21ea8944"`
[INFO] running `"docker" "rm" "-f" "4c032eb524005d372dcdc72a5445c5cd22bba8c9d9b9ebf91066c15b21ea8944"`
[INFO] [stdout] 4c032eb524005d372dcdc72a5445c5cd22bba8c9d9b9ebf91066c15b21ea8944