[INFO] updating cached repository edvakf/hash32
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/edvakf/hash32
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/edvakf/hash32" "work/ex/clippy-test-run/sources/stable/gh/edvakf/hash32"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/edvakf/hash32'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/edvakf/hash32" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/edvakf/hash32"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/edvakf/hash32'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54bb3abf8d40508c32444b44d56da7920b61558b
[INFO] sha for GitHub repo edvakf/hash32: 54bb3abf8d40508c32444b44d56da7920b61558b
[INFO] validating manifest of edvakf/hash32 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 edvakf/hash32 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 edvakf/hash32
[INFO] finished frobbing edvakf/hash32
[INFO] frobbed toml for edvakf/hash32 written to work/ex/clippy-test-run/sources/stable/gh/edvakf/hash32/Cargo.toml
[INFO] started frobbing edvakf/hash32
[INFO] finished frobbing edvakf/hash32
[INFO] frobbed toml for edvakf/hash32 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/edvakf/hash32/Cargo.toml
[INFO] crate edvakf/hash32 has a lockfile. skipping
[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 edvakf/hash32 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/gh/edvakf/hash32:/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] dcf2e3780f4c5064eb6574e7d3ca62e778092ea224b7a09f878cd3e79d6bd349
[INFO] running `"docker" "start" "-a" "dcf2e3780f4c5064eb6574e7d3ca62e778092ea224b7a09f878cd3e79d6bd349"`
[INFO] [stderr]     Checking hash32 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut i = 0;
[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/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut k: u32 = decode_fixed32(
[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/main.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let mut i = 0;
[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/main.rs:75:17
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let mut k: u32 = decode_fixed32(
[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/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 0..1000000 {
[INFO] [stderr]   |                 ^^^^^^^ help: consider: `1_000_000`
[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/main.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for i in 0..1000000 {
[INFO] [stderr]    |                 ^^^^^^^ help: consider: `1_000_000`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     return hash32(input.as_bytes(), input.len(), 0xBEEF);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hash32(input.as_bytes(), input.len(), 0xBEEF)`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     return a as u32 |
[INFO] [stderr] 50 | |         ((b as u32) << 8) |
[INFO] [stderr] 51 | |         ((c as u32) << 16) |
[INFO] [stderr] 52 | |         ((d as u32) << 24);
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 49 |     a as u32 |
[INFO] [stderr] 50 |         ((b as u32) << 8) |
[INFO] [stderr] 51 |         ((c as u32) << 16) |
[INFO] [stderr] 52 |         ((d as u32) << 24)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return (c as u32) & 0xff;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(c as u32) & 0xff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     return h;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `h`
[INFO] [stderr]     |
[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/main.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let m: u32 = 0x5bd1e995;
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider: `0x5bd1_e995`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:12:60
[INFO] [stderr]    |
[INFO] [stderr] 12 |     println!("format only: {}", elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 * 1.0e-9);
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(elapsed.subsec_nanos())`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:22:63
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("computing hash: {}", elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 * 1.0e-9);
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(elapsed.subsec_nanos())`
[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/main.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return a as u32 |
[INFO] [stderr]    |            ^^^^^^^^ help: try: `u32::from(a)`
[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/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |         ((b as u32) << 8) |
[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/main.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 |         ((c as u32) << 16) |
[INFO] [stderr]    |          ^^^^^^^^^^ help: try: `u32::from(c)`
[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/main.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |         ((d as u32) << 24);
[INFO] [stderr]    |          ^^^^^^^^^^ help: try: `u32::from(d)`
[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/main.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return (c as u32) & 0xff;
[INFO] [stderr]    |            ^^^^^^^^^^ help: try: `u32::from(c)`
[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/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in 0..1000000 {
[INFO] [stderr]   |                 ^^^^^^^ help: consider: `1_000_000`
[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/main.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     for i in 0..1000000 {
[INFO] [stderr]    |                 ^^^^^^^ help: consider: `1_000_000`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     return hash32(input.as_bytes(), input.len(), 0xBEEF);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `hash32(input.as_bytes(), input.len(), 0xBEEF)`
[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: unneeded return statement
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 | /     return a as u32 |
[INFO] [stderr] 50 | |         ((b as u32) << 8) |
[INFO] [stderr] 51 | |         ((c as u32) << 16) |
[INFO] [stderr] 52 | |         ((d as u32) << 24);
[INFO] [stderr]    | |___________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] help: remove `return` as shown
[INFO] [stderr]    |
[INFO] [stderr] 49 |     a as u32 |
[INFO] [stderr] 50 |         ((b as u32) << 8) |
[INFO] [stderr] 51 |         ((c as u32) << 16) |
[INFO] [stderr] 52 |         ((d as u32) << 24)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/main.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return (c as u32) & 0xff;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(c as u32) & 0xff`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/main.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     return h;
[INFO] [stderr]     |     ^^^^^^^^^ help: remove `return` as shown: `h`
[INFO] [stderr]     |
[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/main.rs:66:18
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let m: u32 = 0x5bd1e995;
[INFO] [stderr]    |                  ^^^^^^^^^^ help: consider: `0x5bd1_e995`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:12:60
[INFO] [stderr]    |
[INFO] [stderr] 12 |     println!("format only: {}", elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 * 1.0e-9);
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(elapsed.subsec_nanos())`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:22:63
[INFO] [stderr]    |
[INFO] [stderr] 22 |     println!("computing hash: {}", elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 * 1.0e-9);
[INFO] [stderr]    |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(elapsed.subsec_nanos())`
[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/main.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 |     return a as u32 |
[INFO] [stderr]    |            ^^^^^^^^ help: try: `u32::from(a)`
[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/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |         ((b as u32) << 8) |
[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/main.rs:51:10
[INFO] [stderr]    |
[INFO] [stderr] 51 |         ((c as u32) << 16) |
[INFO] [stderr]    |          ^^^^^^^^^^ help: try: `u32::from(c)`
[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/main.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |         ((d as u32) << 24);
[INFO] [stderr]    |          ^^^^^^^^^^ help: try: `u32::from(d)`
[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/main.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     return (c as u32) & 0xff;
[INFO] [stderr]    |            ^^^^^^^^^^ help: try: `u32::from(c)`
[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 0.67s
[INFO] running `"docker" "inspect" "dcf2e3780f4c5064eb6574e7d3ca62e778092ea224b7a09f878cd3e79d6bd349"`
[INFO] running `"docker" "rm" "-f" "dcf2e3780f4c5064eb6574e7d3ca62e778092ea224b7a09f878cd3e79d6bd349"`
[INFO] [stdout] dcf2e3780f4c5064eb6574e7d3ca62e778092ea224b7a09f878cd3e79d6bd349