[INFO] crate lzf 0.3.1 is already in cache
[INFO] extracting crate lzf 0.3.1 into work/ex/clippy-test-run/sources/stable/reg/lzf/0.3.1
[INFO] extracting crate lzf 0.3.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lzf/0.3.1
[INFO] validating manifest of lzf-0.3.1 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 lzf-0.3.1 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 lzf-0.3.1
[INFO] finished frobbing lzf-0.3.1
[INFO] frobbed toml for lzf-0.3.1 written to work/ex/clippy-test-run/sources/stable/reg/lzf/0.3.1/Cargo.toml
[INFO] started frobbing lzf-0.3.1
[INFO] finished frobbing lzf-0.3.1
[INFO] frobbed toml for lzf-0.3.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/lzf/0.3.1/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 lzf-0.3.1 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-1/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/lzf/0.3.1:/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 -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] fdb058da5c088d9642d135d0142111968fe916cad58aff838850b6f57d365663
[INFO] running `"docker" "start" "-a" "fdb058da5c088d9642d135d0142111968fe916cad58aff838850b6f57d365663"`
[INFO] [stderr]     Checking lzf v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/compress.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ((p[off] as u32) << 8) | p[off+1] as u32
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^ help: try: `u32::from(p[off])`
[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/compress.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ((p[off] as u32) << 8) | p[off+1] as u32
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ help: try: `u32::from(p[off+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/compress.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     (v << 8) | p[off+2] as u32
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: try: `u32::from(p[off+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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/compress.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let h = h as u64;
[INFO] [stderr]    |             ^^^^^^^^ help: try: `u64::from(h)`
[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]   --> src/compress.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |         & (HSIZE-1) as u64
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^ help: try: `u64::from(HSIZE-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: the operation is ineffective. Consider reducing it to `ref_offset`
[INFO] [stderr]   --> src/compress.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |             && data[ref_offset+0] == data[current_offset+0]
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `current_offset`
[INFO] [stderr]   --> src/compress.rs:84:43
[INFO] [stderr]    |
[INFO] [stderr] 84 |             && data[ref_offset+0] == data[current_offset+0]
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/compress.rs:99:13
[INFO] [stderr]     |
[INFO] [stderr] 99  | /             loop {
[INFO] [stderr] 100 | |                 len += 1;
[INFO] [stderr] 101 | |                 while len < maxlen && data[ref_offset+len] == data[current_offset+len] {
[INFO] [stderr] 102 | |                     len += 1;
[INFO] [stderr] 103 | |                 }
[INFO] [stderr] 104 | |                 break;
[INFO] [stderr] 105 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/decompress.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let src = src.offset(current_offset as isize);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `src.add(current_offset)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/decompress.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let dst = dst.offset((out_len) as isize);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `dst.add((out_len))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/decompress.rs:72:27
[INFO] [stderr]    |
[INFO] [stderr] 72 |             ref_offset += data[current_offset] as i32;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(data[current_offset])`
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lzf`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/compress.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ((p[off] as u32) << 8) | p[off+1] as u32
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^ help: try: `u32::from(p[off])`
[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/compress.rs:11:30
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ((p[off] as u32) << 8) | p[off+1] as u32
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^ help: try: `u32::from(p[off+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/compress.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     (v << 8) | p[off+2] as u32
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^ help: try: `u32::from(p[off+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 u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/compress.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let h = h as u64;
[INFO] [stderr]    |             ^^^^^^^^ help: try: `u64::from(h)`
[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]   --> src/compress.rs:23:11
[INFO] [stderr]    |
[INFO] [stderr] 23 |         & (HSIZE-1) as u64
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^ help: try: `u64::from(HSIZE-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: the operation is ineffective. Consider reducing it to `ref_offset`
[INFO] [stderr]   --> src/compress.rs:84:21
[INFO] [stderr]    |
[INFO] [stderr] 84 |             && data[ref_offset+0] == data[current_offset+0]
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `current_offset`
[INFO] [stderr]   --> src/compress.rs:84:43
[INFO] [stderr]    |
[INFO] [stderr] 84 |             && data[ref_offset+0] == data[current_offset+0]
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: this loop never actually loops
[INFO] [stderr]    --> src/compress.rs:99:13
[INFO] [stderr]     |
[INFO] [stderr] 99  | /             loop {
[INFO] [stderr] 100 | |                 len += 1;
[INFO] [stderr] 101 | |                 while len < maxlen && data[ref_offset+len] == data[current_offset+len] {
[INFO] [stderr] 102 | |                     len += 1;
[INFO] [stderr] 103 | |                 }
[INFO] [stderr] 104 | |                 break;
[INFO] [stderr] 105 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: calling `as_bytes()` on a string literal
[INFO] [stderr]    --> src/compress.rs:189:20
[INFO] [stderr]     |
[INFO] [stderr] 189 |     match compress("foo".as_bytes()) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"foo"`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::string_lit_as_bytes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/decompress.rs:50:27
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let src = src.offset(current_offset as isize);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `src.add(current_offset)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/decompress.rs:52:27
[INFO] [stderr]    |
[INFO] [stderr] 52 |                 let dst = dst.offset((out_len) as isize);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `dst.add((out_len))`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/decompress.rs:72:27
[INFO] [stderr]    |
[INFO] [stderr] 72 |             ref_offset += data[current_offset] as i32;
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(data[current_offset])`
[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: calling `as_bytes()` on a string literal
[INFO] [stderr]   --> src/lib.rs:58:20
[INFO] [stderr]    |
[INFO] [stderr] 58 |     match compress("foo".as_bytes()) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: consider using a byte string literal instead: `b"foo"`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#string_lit_as_bytes
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `lzf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fdb058da5c088d9642d135d0142111968fe916cad58aff838850b6f57d365663"`
[INFO] running `"docker" "rm" "-f" "fdb058da5c088d9642d135d0142111968fe916cad58aff838850b6f57d365663"`
[INFO] [stdout] fdb058da5c088d9642d135d0142111968fe916cad58aff838850b6f57d365663