[INFO] crate zopfli 0.4.0 is already in cache
[INFO] extracting crate zopfli 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/zopfli/0.4.0
[INFO] extracting crate zopfli 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/zopfli/0.4.0
[INFO] validating manifest of zopfli-0.4.0 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 zopfli-0.4.0 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 zopfli-0.4.0
[INFO] finished frobbing zopfli-0.4.0
[INFO] frobbed toml for zopfli-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/zopfli/0.4.0/Cargo.toml
[INFO] started frobbing zopfli-0.4.0
[INFO] finished frobbing zopfli-0.4.0
[INFO] frobbed toml for zopfli-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/zopfli/0.4.0/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 zopfli-0.4.0 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/zopfli/0.4.0:/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] c782ff0b632089478739907a520f36e49ab46d00a555397215bb89a69154364d
[INFO] running `"docker" "start" "-a" "c782ff0b632089478739907a520f36e49ab46d00a555397215bb89a69154364d"`
[INFO] [stderr]     Checking zopfli v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/deflate.rs:939:13
[INFO] [stderr]     |
[INFO] [stderr] 939 |             out: out,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `out`
[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/deflate.rs:939:13
[INFO] [stderr]     |
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/hash.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             prev: prev,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `prev`
[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] 939 |             out: out,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `out`
[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] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lz77.rs:358:13
[INFO] [stderr]     |
[INFO] [stderr] 358 |             options: options,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `options`
[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/lz77.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             blockstart: blockstart,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `blockstart`
[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/lz77.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             blockend: blockend,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `blockend`
[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/lz77.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |             options: options,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `options`
[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/lz77.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             blockstart: blockstart,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `blockstart`
[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/lz77.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |             blockend: blockend,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `blockend`
[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]   --> src/hash.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |             prev: prev,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `prev`
[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/lz77.rs:358:13
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lz77.rs:408:13
[INFO] [stderr]     |
[INFO] [stderr] 408 |             limit: limit,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `limit`
[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] 358 |             options: options,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `options`
[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/lz77.rs:359:13
[INFO] [stderr]     |
[INFO] [stderr] 359 |             blockstart: blockstart,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `blockstart`
[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/lz77.rs:360:13
[INFO] [stderr]     |
[INFO] [stderr] 360 |             blockend: blockend,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `blockend`
[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/lz77.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |             options: options,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `options`
[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/lz77.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |             blockstart: blockstart,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `blockstart`
[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/lz77.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |             blockend: blockend,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `blockend`
[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/lz77.rs:408:13
[INFO] [stderr]     |
[INFO] [stderr] 408 |             limit: limit,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `limit`
[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] 
[INFO] [stderr] warning: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/squeeze.rs:313:12
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if i + 1 <= inend {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if i < inend {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub const ZOPFLI_MASTER_BLOCK_SIZE: usize = 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: Unnecessary `>= y + 1` or `x - 1 >=`
[INFO] [stderr]    --> src/squeeze.rs:313:12
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if i + 1 <= inend {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::int_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#int_plus_one
[INFO] [stderr] help: change `>= y + 1` to `> y` as shown
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if i < inend {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub const ZOPFLI_MASTER_BLOCK_SIZE: usize = 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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/cache.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         self.sublen[start + ((ZOPFLI_CACHE_LENGTH - 1) * 3)] as u32 + 3
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.sublen[start + ((ZOPFLI_CACHE_LENGTH - 1) * 3)])`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cache.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let dist = self.sublen[start + (j * 3 + 1)] as u16 + 256 * self.sublen[start + (j * 3 + 2)] as u16;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.sublen[start + (j * 3 + 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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cache.rs:100:72
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let dist = self.sublen[start + (j * 3 + 1)] as u16 + 256 * self.sublen[start + (j * 3 + 2)] as u16;
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.sublen[start + (j * 3 + 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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cache.rs:149:36
[INFO] [stderr]     |
[INFO] [stderr] 149 |             if sublen.is_none() || length_lmcpos as u32 <= max_sublen {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(length_lmcpos)`
[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: this boolean expression can be simplified
[INFO] [stderr]    --> src/deflate.rs:119:16
[INFO] [stderr]     |
[INFO] [stderr] 119 |             if (symbol == 0 && stride >= 5) || (symbol != 0 && stride >= 7) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `symbol == 0 && stride >= 5 || symbol != 0 && stride >= 7`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/deflate.rs:135:14
[INFO] [stderr]     |
[INFO] [stderr] 135 |     for i in 0..(length + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^ help: use: `0..=length`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:214:48
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let d_symbol = get_dist_symbol(dists_i as i32);
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^ help: try: `i32::from(dists_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: the function has a cyclomatic complexity of 27
[INFO] [stderr]    --> src/deflate.rs:404:1
[INFO] [stderr]     |
[INFO] [stderr] 404 | / fn encode_tree<W>(ll_lengths: &[u32], d_lengths: &[u32], use_16: bool, use_17: bool, use_18: bool, bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<usize>
[INFO] [stderr] 405 | |     where W: Write
[INFO] [stderr] 406 | | {
[INFO] [stderr] 407 | |     let mut hlit = 29;  /* 286 - 257 */
[INFO] [stderr] ...   |
[INFO] [stderr] 565 | |     Ok(result_size)
[INFO] [stderr] 566 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/deflate.rs:598:1
[INFO] [stderr]     |
[INFO] [stderr] 598 | / fn add_lz77_block<W>(options: &Options, btype: BlockType, final_block: bool, in_data: &[u8], lz77: &Lz77Store, lstart: usize, lend: usize, expected_data_size: usize, bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<()>
[INFO] [stderr] 599 | |     where W: Write
[INFO] [stderr] 600 | | {
[INFO] [stderr] 601 | |     if btype == BlockType::Uncompressed {
[INFO] [stderr] ...   |
[INFO] [stderr] 649 | |     Ok(())
[INFO] [stderr] 650 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/deflate.rs:730:1
[INFO] [stderr]     |
[INFO] [stderr] 730 | / fn add_lz77_data<W>(lz77: &Lz77Store, lstart: usize, lend: usize, expected_data_size: usize , ll_symbols: &[u32], ll_lengths: &[u32], d_symbols: &[u32], d_lengths: &[u32], bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<()>
[INFO] [stderr] 731 | |     where W: Write
[INFO] [stderr] 732 | | {
[INFO] [stderr] 733 | |     let mut testlength = 0;
[INFO] [stderr] ...   |
[INFO] [stderr] 760 | |     Ok(())
[INFO] [stderr] 761 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:747:42
[INFO] [stderr]     |
[INFO] [stderr] 747 |                 let ds = get_dist_symbol(dist as i32) as u32;
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:754:72
[INFO] [stderr]     |
[INFO] [stderr] 754 |                 try!(bitwise_writer.add_bits(get_dist_extra_bits_value(dist as i32) as u32, get_dist_extra_bits(dist as i32) as u32));
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:754:113
[INFO] [stderr]     |
[INFO] [stderr] 754 |                 try!(bitwise_writer.add_bits(get_dist_extra_bits_value(dist as i32) as u32, get_dist_extra_bits(dist as i32) as u32));
[INFO] [stderr]     |                                                                                                                 ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/deflate.rs:763:1
[INFO] [stderr]     |
[INFO] [stderr] 763 | / fn add_lz77_block_auto_type<W>(options: &Options, final_block: bool, in_data: &[u8], lz77: &Lz77Store, lstart: usize, lend: usize, expected_data_size: usize, bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<()>
[INFO] [stderr] 764 | |     where W: Write
[INFO] [stderr] 765 | | {
[INFO] [stderr] 766 | |     let uncompressedcost = calculate_block_size(lz77, lstart, lend, BlockType::Uncompressed);
[INFO] [stderr] ...   |
[INFO] [stderr] 803 | |     }
[INFO] [stderr] 804 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/hash.rs:105:60
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.hash1.val = ((self.hash1.val << HASH_SHIFT) ^ c as u16) & HASH_MASK;
[INFO] [stderr]     |                                                            ^^^^^^^^ help: try: `u16::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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/hash.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         hashval.map_or(-1, |hv| hv as i32)
[INFO] [stderr]     |                                 ^^^^^^^^^ help: try: `i32::from(hv)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lz77.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn size(&self) -> usize {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:108:52
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 self.d_symbol.push(get_dist_symbol(dist as i32) as u16);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:110:56
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 self.d_counts[dstart + get_dist_symbol(dist as i32) as usize] += 1;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:162:44
[INFO] [stderr]     |
[INFO] [stderr] 162 |             lengthscore = get_length_score(leng as i32, dist as i32);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: try: `i32::from(leng)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:162:57
[INFO] [stderr]     |
[INFO] [stderr] 162 |             lengthscore = get_length_score(leng as i32, dist as i32);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:169:39
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     self.lit_len_dist(arr[i - 1] as u16, 0, i - 1);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: try: `u16::from(arr[i - 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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |                         prev_length = leng as u32;
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: try: `u32::from(leng)`
[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]    --> src/lz77.rs:173:38
[INFO] [stderr]     |
[INFO] [stderr] 173 |                         prev_match = dist as u32;
[INFO] [stderr]     |                                      ^^^^^^^^^^^ help: try: `u32::from(dist)`
[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]    --> src/lz77.rs:194:31
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 prev_length = leng as u32;
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: try: `u32::from(leng)`
[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]    --> src/lz77.rs:195:30
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 prev_match = dist as u32;
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: try: `u32::from(dist)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:207:35
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 self.lit_len_dist(arr[i] as u16, 0, i);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u16::from(arr[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:255:35
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 self.lit_len_dist(arr[pos] as u16, 0, pos);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^ help: try: `u16::from(arr[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: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/lz77.rs:482:1
[INFO] [stderr]     |
[INFO] [stderr] 482 | / fn find_longest_match_loop(h: &mut ZopfliHash, array: &[u8], pos: usize, size: usize, limit: usize, sublen: &mut Option<&mut [u16]>) -> (i32, usize) {
[INFO] [stderr] 483 | |     let mut which_hash = Which::Hash1;
[INFO] [stderr] 484 | |     let mut pp = h.head_at(h.val(which_hash) as usize, which_hash);  /* During the whole loop, p == hprev[pp]. */
[INFO] [stderr] 485 | |     let mut p = h.prev_at(pp as usize, which_hash);
[INFO] [stderr] ...   |
[INFO] [stderr] 570 | |     (bestdist, bestlength)
[INFO] [stderr] 571 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/cache.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         self.sublen[start + ((ZOPFLI_CACHE_LENGTH - 1) * 3)] as u32 + 3
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.sublen[start + ((ZOPFLI_CACHE_LENGTH - 1) * 3)])`
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:490:23
[INFO] [stderr]     |
[INFO] [stderr] 490 |     let mut dist = if (p as i32) < pp {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:491:14
[INFO] [stderr]     |
[INFO] [stderr] 491 |         pp - (p as i32)
[INFO] [stderr]     |              ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:509:65
[INFO] [stderr]     |
[INFO] [stderr] 509 |         debug_assert_eq!(h.hash_val_at(p as usize, which_hash), h.val(which_hash) as i32);
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(h.val(which_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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:548:13
[INFO] [stderr]     |
[INFO] [stderr] 548 |             h.val(Which::Hash2) as i32 == h.hash_val_at(p as usize, Which::Hash2) {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(h.val(Which::Hash2))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:553:14
[INFO] [stderr]     |
[INFO] [stderr] 553 |         pp = p as i32;
[INFO] [stderr]     |              ^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:555:12
[INFO] [stderr]     |
[INFO] [stderr] 555 |         if (p as i32) == pp {
[INFO] [stderr]     |            ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:559:20
[INFO] [stderr]     |
[INFO] [stderr] 559 |         dist += if (p as i32) < pp {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:560:18
[INFO] [stderr]     |
[INFO] [stderr] 560 |             pp - (p as i32)
[INFO] [stderr]     |                  ^^^^^^^^^^ help: try: `i32::from(p)`
[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]    |
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cache.rs:100:24
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let dist = self.sublen[start + (j * 3 + 1)] as u16 + 256 * self.sublen[start + (j * 3 + 2)] as u16;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.sublen[start + (j * 3 + 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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/cache.rs:100:72
[INFO] [stderr]     |
[INFO] [stderr] 100 |             let dist = self.sublen[start + (j * 3 + 1)] as u16 + 256 * self.sublen[start + (j * 3 + 2)] as u16;
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.sublen[start + (j * 3 + 2)])`
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/squeeze.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     result as f64
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: try: `f64::from(result)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/squeeze.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let lbits = get_length_extra_bits(litlen as usize) as f64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(get_length_extra_bits(litlen as usize))`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/squeeze.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let dbits = get_dist_extra_bits(dist as i32) as f64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(get_dist_extra_bits(dist as i32))`
[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]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/squeeze.rs:139:35
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let sum = count.iter().fold(0, |acc, &x| acc + x);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/cache.rs:149:36
[INFO] [stderr]     |
[INFO] [stderr] 149 |             if sublen.is_none() || length_lmcpos as u32 <= max_sublen {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(length_lmcpos)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     self.dists[get_dist_symbol(dist as i32) as usize] += 1;
[INFO] [stderr]     |                                                ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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: this boolean expression can be simplified
[INFO] [stderr]    --> src/deflate.rs:119:16
[INFO] [stderr]     |
[INFO] [stderr] 119 |             if (symbol == 0 && stride >= 5) || (symbol != 0 && stride >= 7) {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `symbol == 0 && stride >= 5 || symbol != 0 && stride >= 7`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:314:38
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let new_cost = costmodel(arr[i] as u32, 0) + costs[j] as f64;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: try: `u32::from(arr[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:314:58
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let new_cost = costmodel(arr[i] as u32, 0) + costs[j] as f64;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j])`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:316:27
[INFO] [stderr]     |
[INFO] [stderr] 316 |             if new_cost < costs[j + 1] as f64 {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j + 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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:323:41
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let mincostaddcostj = mincost + costs[j] as f64;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j])`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/deflate.rs:135:14
[INFO] [stderr]     |
[INFO] [stderr] 135 |     for i in 0..(length + 1) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^ help: use: `0..=length`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:328:16
[INFO] [stderr]     |
[INFO] [stderr] 328 |             if costs[j + k] as f64 <= mincostaddcostj {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j + k])`
[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]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:332:48
[INFO] [stderr]     |
[INFO] [stderr] 332 |             let new_cost = costmodel(k as u32, sublength as u32) + costs[j] as f64;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: try: `u32::from(sublength)`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:332:68
[INFO] [stderr]     |
[INFO] [stderr] 332 |             let new_cost = costmodel(k as u32, sublength as u32) + costs[j] as f64;
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j])`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:334:27
[INFO] [stderr]     |
[INFO] [stderr] 334 |             if new_cost < costs[j + k] as f64 {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j + k])`
[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] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:344:6
[INFO] [stderr]     |
[INFO] [stderr] 344 |     (costs[blocksize] as f64, length_array)
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[blocksize])`
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/squeeze.rs:384:1
[INFO] [stderr]     |
[INFO] [stderr] 384 | / fn lz77_optimal_run<F, C>(s: &mut ZopfliBlockState<C>, in_data: &[u8], instart: usize, inend: usize, costmodel: F, store: &mut Lz77Store, h: &mut ZopfliHash, costs: &mut Vec<f32>)
[INFO] [stderr] 385 | |     where F: Fn(u32, u32) -> f64,
[INFO] [stderr] 386 | |           C: Cache,
[INFO] [stderr] 387 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 391 | |     debug_assert!(cost < f64::MAX);
[INFO] [stderr] 392 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:214:48
[INFO] [stderr]     |
[INFO] [stderr] 214 |                 let d_symbol = get_dist_symbol(dists_i as i32);
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^ help: try: `i32::from(dists_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: the function has a cyclomatic complexity of 27
[INFO] [stderr]    --> src/deflate.rs:404:1
[INFO] [stderr]     |
[INFO] [stderr] 404 | / fn encode_tree<W>(ll_lengths: &[u32], d_lengths: &[u32], use_16: bool, use_17: bool, use_18: bool, bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<usize>
[INFO] [stderr] 405 | |     where W: Write
[INFO] [stderr] 406 | | {
[INFO] [stderr] 407 | |     let mut hlit = 29;  /* 286 - 257 */
[INFO] [stderr] ...   |
[INFO] [stderr] 565 | |     Ok(result_size)
[INFO] [stderr] 566 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/tree.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for bits in 1..(max_bits + 1) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^ help: use: `1..=max_bits`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/deflate.rs:598:1
[INFO] [stderr]     |
[INFO] [stderr] 598 | / fn add_lz77_block<W>(options: &Options, btype: BlockType, final_block: bool, in_data: &[u8], lz77: &Lz77Store, lstart: usize, lend: usize, expected_data_size: usize, bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<()>
[INFO] [stderr] 599 | |     where W: Write
[INFO] [stderr] 600 | | {
[INFO] [stderr] 601 | |     if btype == BlockType::Uncompressed {
[INFO] [stderr] ...   |
[INFO] [stderr] 649 | |     Ok(())
[INFO] [stderr] 650 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/deflate.rs:730:1
[INFO] [stderr]     |
[INFO] [stderr] 730 | / fn add_lz77_data<W>(lz77: &Lz77Store, lstart: usize, lend: usize, expected_data_size: usize , ll_symbols: &[u32], ll_lengths: &[u32], d_symbols: &[u32], d_lengths: &[u32], bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<()>
[INFO] [stderr] 731 | |     where W: Write
[INFO] [stderr] 732 | | {
[INFO] [stderr] 733 | |     let mut testlength = 0;
[INFO] [stderr] ...   |
[INFO] [stderr] 760 | |     Ok(())
[INFO] [stderr] 761 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:747:42
[INFO] [stderr]     |
[INFO] [stderr] 747 |                 let ds = get_dist_symbol(dist as i32) as u32;
[INFO] [stderr]     |                                          ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:754:72
[INFO] [stderr]     |
[INFO] [stderr] 754 |                 try!(bitwise_writer.add_bits(get_dist_extra_bits_value(dist as i32) as u32, get_dist_extra_bits(dist as i32) as u32));
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/deflate.rs:754:113
[INFO] [stderr]     |
[INFO] [stderr] 754 |                 try!(bitwise_writer.add_bits(get_dist_extra_bits_value(dist as i32) as u32, get_dist_extra_bits(dist as i32) as u32));
[INFO] [stderr]     |                                                                                                                 ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/deflate.rs:763:1
[INFO] [stderr]     |
[INFO] [stderr] 763 | / fn add_lz77_block_auto_type<W>(options: &Options, final_block: bool, in_data: &[u8], lz77: &Lz77Store, lstart: usize, lend: usize, expected_data_size: usize, bitwise_writer: &mut BitwiseWriter<W>) -> io::Result<()>
[INFO] [stderr] 764 | |     where W: Write
[INFO] [stderr] 765 | | {
[INFO] [stderr] 766 | |     let uncompressedcost = calculate_block_size(lz77, lstart, lend, BlockType::Uncompressed);
[INFO] [stderr] ...   |
[INFO] [stderr] 803 | |     }
[INFO] [stderr] 804 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/hash.rs:105:60
[INFO] [stderr]     |
[INFO] [stderr] 105 |         self.hash1.val = ((self.hash1.val << HASH_SHIFT) ^ c as u16) & HASH_MASK;
[INFO] [stderr]     |                                                            ^^^^^^^^ help: try: `u16::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 u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/hash.rs:150:33
[INFO] [stderr]     |
[INFO] [stderr] 150 |         hashval.map_or(-1, |hv| hv as i32)
[INFO] [stderr]     |                                 ^^^^^^^^^ help: try: `i32::from(hv)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lz77.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn size(&self) -> usize {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:108:52
[INFO] [stderr]     |
[INFO] [stderr] 108 |                 self.d_symbol.push(get_dist_symbol(dist as i32) as u16);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:110:56
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 self.d_counts[dstart + get_dist_symbol(dist as i32) as usize] += 1;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:162:44
[INFO] [stderr]     |
[INFO] [stderr] 162 |             lengthscore = get_length_score(leng as i32, dist as i32);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ help: try: `i32::from(leng)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:162:57
[INFO] [stderr]     |
[INFO] [stderr] 162 |             lengthscore = get_length_score(leng as i32, dist as i32);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:169:39
[INFO] [stderr]     |
[INFO] [stderr] 169 |                     self.lit_len_dist(arr[i - 1] as u16, 0, i - 1);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: try: `u16::from(arr[i - 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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |                         prev_length = leng as u32;
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: try: `u32::from(leng)`
[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]    --> src/lz77.rs:173:38
[INFO] [stderr]     |
[INFO] [stderr] 173 |                         prev_match = dist as u32;
[INFO] [stderr]     |                                      ^^^^^^^^^^^ help: try: `u32::from(dist)`
[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]    --> src/lz77.rs:194:31
[INFO] [stderr]     |
[INFO] [stderr] 194 |                 prev_length = leng as u32;
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: try: `u32::from(leng)`
[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]    --> src/lz77.rs:195:30
[INFO] [stderr]     |
[INFO] [stderr] 195 |                 prev_match = dist as u32;
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: try: `u32::from(dist)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:207:35
[INFO] [stderr]     |
[INFO] [stderr] 207 |                 self.lit_len_dist(arr[i] as u16, 0, i);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^ help: try: `u16::from(arr[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:255:35
[INFO] [stderr]     |
[INFO] [stderr] 255 |                 self.lit_len_dist(arr[pos] as u16, 0, pos);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^ help: try: `u16::from(arr[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: the function has a cyclomatic complexity of 26
[INFO] [stderr]    --> src/lz77.rs:482:1
[INFO] [stderr]     |
[INFO] [stderr] 482 | / fn find_longest_match_loop(h: &mut ZopfliHash, array: &[u8], pos: usize, size: usize, limit: usize, sublen: &mut Option<&mut [u16]>) -> (i32, usize) {
[INFO] [stderr] 483 | |     let mut which_hash = Which::Hash1;
[INFO] [stderr] 484 | |     let mut pp = h.head_at(h.val(which_hash) as usize, which_hash);  /* During the whole loop, p == hprev[pp]. */
[INFO] [stderr] 485 | |     let mut p = h.prev_at(pp as usize, which_hash);
[INFO] [stderr] ...   |
[INFO] [stderr] 570 | |     (bestdist, bestlength)
[INFO] [stderr] 571 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:490:23
[INFO] [stderr]     |
[INFO] [stderr] 490 |     let mut dist = if (p as i32) < pp {
[INFO] [stderr]     |                       ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:491:14
[INFO] [stderr]     |
[INFO] [stderr] 491 |         pp - (p as i32)
[INFO] [stderr]     |              ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:509:65
[INFO] [stderr]     |
[INFO] [stderr] 509 |         debug_assert_eq!(h.hash_val_at(p as usize, which_hash), h.val(which_hash) as i32);
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(h.val(which_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: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:548:13
[INFO] [stderr]     |
[INFO] [stderr] 548 |             h.val(Which::Hash2) as i32 == h.hash_val_at(p as usize, Which::Hash2) {
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(h.val(Which::Hash2))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:553:14
[INFO] [stderr]     |
[INFO] [stderr] 553 |         pp = p as i32;
[INFO] [stderr]     |              ^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:555:12
[INFO] [stderr]     |
[INFO] [stderr] 555 |         if (p as i32) == pp {
[INFO] [stderr]     |            ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:559:20
[INFO] [stderr]     |
[INFO] [stderr] 559 |         dist += if (p as i32) < pp {
[INFO] [stderr]     |                    ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/lz77.rs:560:18
[INFO] [stderr]     |
[INFO] [stderr] 560 |             pp - (p as i32)
[INFO] [stderr]     |                  ^^^^^^^^^^ help: try: `i32::from(p)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/squeeze.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     result as f64
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: try: `f64::from(result)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/squeeze.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let lbits = get_length_extra_bits(litlen as usize) as f64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(get_length_extra_bits(litlen as usize))`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/squeeze.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let dbits = get_dist_extra_bits(dist as i32) as f64;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(get_dist_extra_bits(dist as i32))`
[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: this `.fold` can be written more succinctly using another method
[INFO] [stderr]    --> src/squeeze.rs:139:35
[INFO] [stderr]     |
[INFO] [stderr] 139 |             let sum = count.iter().fold(0, |acc, &x| acc + x);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.sum()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:176:48
[INFO] [stderr]     |
[INFO] [stderr] 176 |                     self.dists[get_dist_symbol(dist as i32) as usize] += 1;
[INFO] [stderr]     |                                                ^^^^^^^^^^^ help: try: `i32::from(dist)`
[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/squeeze.rs:314:38
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let new_cost = costmodel(arr[i] as u32, 0) + costs[j] as f64;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: try: `u32::from(arr[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:314:58
[INFO] [stderr]     |
[INFO] [stderr] 314 |             let new_cost = costmodel(arr[i] as u32, 0) + costs[j] as f64;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j])`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:316:27
[INFO] [stderr]     |
[INFO] [stderr] 316 |             if new_cost < costs[j + 1] as f64 {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j + 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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:323:41
[INFO] [stderr]     |
[INFO] [stderr] 323 |         let mincostaddcostj = mincost + costs[j] as f64;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j])`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:328:16
[INFO] [stderr]     |
[INFO] [stderr] 328 |             if costs[j + k] as f64 <= mincostaddcostj {
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j + k])`
[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]    --> src/squeeze.rs:332:48
[INFO] [stderr]     |
[INFO] [stderr] 332 |             let new_cost = costmodel(k as u32, sublength as u32) + costs[j] as f64;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: try: `u32::from(sublength)`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:332:68
[INFO] [stderr]     |
[INFO] [stderr] 332 |             let new_cost = costmodel(k as u32, sublength as u32) + costs[j] as f64;
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j])`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:334:27
[INFO] [stderr]     |
[INFO] [stderr] 334 |             if new_cost < costs[j + k] as f64 {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[j + k])`
[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 f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/squeeze.rs:344:6
[INFO] [stderr]     |
[INFO] [stderr] 344 |     (costs[blocksize] as f64, length_array)
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(costs[blocksize])`
[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: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/squeeze.rs:384:1
[INFO] [stderr]     |
[INFO] [stderr] 384 | / fn lz77_optimal_run<F, C>(s: &mut ZopfliBlockState<C>, in_data: &[u8], instart: usize, inend: usize, costmodel: F, store: &mut Lz77Store, h: &mut ZopfliHash, costs: &mut Vec<f32>)
[INFO] [stderr] 385 | |     where F: Fn(u32, u32) -> f64,
[INFO] [stderr] 386 | |           C: Cache,
[INFO] [stderr] 387 | | {
[INFO] [stderr] ...   |
[INFO] [stderr] 391 | |     debug_assert!(cost < f64::MAX);
[INFO] [stderr] 392 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/tree.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |     for bits in 1..(max_bits + 1) {
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^ help: use: `1..=max_bits`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             inner: inner,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `inner`
[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/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |             inner: inner,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `inner`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `"docker" "inspect" "c782ff0b632089478739907a520f36e49ab46d00a555397215bb89a69154364d"`
[INFO] running `"docker" "rm" "-f" "c782ff0b632089478739907a520f36e49ab46d00a555397215bb89a69154364d"`
[INFO] [stdout] c782ff0b632089478739907a520f36e49ab46d00a555397215bb89a69154364d