[INFO] crate fxhash 0.2.1 is already in cache
[INFO] extracting crate fxhash 0.2.1 into work/ex/clippy-test-run/sources/stable/reg/fxhash/0.2.1
[INFO] extracting crate fxhash 0.2.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fxhash/0.2.1
[INFO] validating manifest of fxhash-0.2.1 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 fxhash-0.2.1 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 fxhash-0.2.1
[INFO] finished frobbing fxhash-0.2.1
[INFO] frobbed toml for fxhash-0.2.1 written to work/ex/clippy-test-run/sources/stable/reg/fxhash/0.2.1/Cargo.toml
[INFO] started frobbing fxhash-0.2.1
[INFO] finished frobbing fxhash-0.2.1
[INFO] frobbed toml for fxhash-0.2.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/fxhash/0.2.1/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 fxhash-0.2.1 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/fxhash/0.2.1:/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] c5eef74cd788e441aabb4dfe31ea618e4ae220fe44498a74437baaa874f6a760
[INFO] running `"docker" "start" "-a" "c5eef74cd788e441aabb4dfe31ea618e4ae220fe44498a74437baaa874f6a760"`
[INFO] [stderr]     Checking fxhash v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> lib.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 | const SEED64: u64 = 0x517cc1b727220a95;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: consider: `0x517c_c1b7_2722_0a95`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 |         hash.hash_word(*byte as u32);
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: try: `u32::from(*byte)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:97:24
[INFO] [stderr]    |
[INFO] [stderr] 97 |         hash.hash_word(n as u64);
[INFO] [stderr]    |                        ^^^^^^^^ help: try: `u64::from(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 u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:102:24
[INFO] [stderr]     |
[INFO] [stderr] 102 |         hash.hash_word(*byte as u64);
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: try: `u64::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 u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:210:29
[INFO] [stderr]     |
[INFO] [stderr] 210 |         self.hash.hash_word(i as u64);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u64::from(i)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:215:29
[INFO] [stderr]     |
[INFO] [stderr] 215 |         self.hash.hash_word(i as u64);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u64::from(i)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self.hash.hash_word(i as u64);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u64::from(i)`
[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]    --> lib.rs:265:29
[INFO] [stderr]     |
[INFO] [stderr] 265 |         self.hash.hash_word(i as u32);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u32::from(i)`
[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]    --> lib.rs:270:29
[INFO] [stderr]     |
[INFO] [stderr] 270 |         self.hash.hash_word(i as u32);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u32::from(i)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.hash as u64
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: try: `u64::from(self.hash)`
[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]   --> lib.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 | const SEED64: u64 = 0x517cc1b727220a95;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: consider: `0x517c_c1b7_2722_0a95`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 |         hash.hash_word(*byte as u32);
[INFO] [stderr]    |                        ^^^^^^^^^^^^ help: try: `u32::from(*byte)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]   --> lib.rs:97:24
[INFO] [stderr]    |
[INFO] [stderr] 97 |         hash.hash_word(n as u64);
[INFO] [stderr]    |                        ^^^^^^^^ help: try: `u64::from(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 u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:102:24
[INFO] [stderr]     |
[INFO] [stderr] 102 |         hash.hash_word(*byte as u64);
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: try: `u64::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 u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:210:29
[INFO] [stderr]     |
[INFO] [stderr] 210 |         self.hash.hash_word(i as u64);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u64::from(i)`
[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 u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:215:29
[INFO] [stderr]     |
[INFO] [stderr] 215 |         self.hash.hash_word(i as u64);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u64::from(i)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:220:29
[INFO] [stderr]     |
[INFO] [stderr] 220 |         self.hash.hash_word(i as u64);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u64::from(i)`
[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]    --> lib.rs:265:29
[INFO] [stderr]     |
[INFO] [stderr] 265 |         self.hash.hash_word(i as u32);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u32::from(i)`
[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]    --> lib.rs:270:29
[INFO] [stderr]     |
[INFO] [stderr] 270 |         self.hash.hash_word(i as u32);
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u32::from(i)`
[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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> lib.rs:298:9
[INFO] [stderr]     |
[INFO] [stderr] 298 |         self.hash as u64
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ help: try: `u64::from(self.hash)`
[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[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> bench.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `fxhash`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c5eef74cd788e441aabb4dfe31ea618e4ae220fe44498a74437baaa874f6a760"`
[INFO] running `"docker" "rm" "-f" "c5eef74cd788e441aabb4dfe31ea618e4ae220fe44498a74437baaa874f6a760"`
[INFO] [stdout] c5eef74cd788e441aabb4dfe31ea618e4ae220fe44498a74437baaa874f6a760