[INFO] crate pihash 0.4.0 is already in cache
[INFO] extracting crate pihash 0.4.0 into work/ex/clippy-test-run/sources/stable/reg/pihash/0.4.0
[INFO] extracting crate pihash 0.4.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pihash/0.4.0
[INFO] validating manifest of pihash-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 pihash-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 pihash-0.4.0
[INFO] finished frobbing pihash-0.4.0
[INFO] frobbed toml for pihash-0.4.0 written to work/ex/clippy-test-run/sources/stable/reg/pihash/0.4.0/Cargo.toml
[INFO] started frobbing pihash-0.4.0
[INFO] finished frobbing pihash-0.4.0
[INFO] frobbed toml for pihash-0.4.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/pihash/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 pihash-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-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/pihash/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] 3f539f1f629d3a2e2f656ef10d8239dc0ab28ef6831e8620e4636aa608f65d3d
[INFO] running `"docker" "start" "-a" "3f539f1f629d3a2e2f656ef10d8239dc0ab28ef6831e8620e4636aa608f65d3d"`
[INFO] [stderr]     Checking dft v0.5.5
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking pihash v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/hash/mod.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         ahash: ahash,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `ahash`
[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/hash/mod.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         dhash: dhash,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `dhash`
[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/hash/mod.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         phash: phash,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `phash`
[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/hash/mod.rs:233:9
[INFO] [stderr]     |
[INFO] [stderr] 233 |         ahash: ahash,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `ahash`
[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/hash/mod.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         dhash: dhash,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `dhash`
[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/hash/mod.rs:235:9
[INFO] [stderr]     |
[INFO] [stderr] 235 |         phash: phash,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `phash`
[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: long literal lacking separators
[INFO] [stderr]    --> src/hash/phash.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |         (f * 100000_f64).round() / 100000_f64
[INFO] [stderr]     |              ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/hash/phash.rs:189:36
[INFO] [stderr]     |
[INFO] [stderr] 189 |         (f * 100000_f64).round() / 100000_f64
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/hash/mod.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 | const FLOAT_PRECISION_MAX_5: f64 = f64::MAX / 100000_f64;
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/hash/mod.rs:36:47
[INFO] [stderr]    |
[INFO] [stderr] 36 | const FLOAT_PRECISION_MIN_5: f64 = f64::MIN / 100000_f64;
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:25:31
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const DEFAULT_CACHE_DIR: &'static str = "./.hash_cache";
[INFO] [stderr]    |                              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 | const CACHED_IMAGE_EXT: &'static str = "png";
[INFO] [stderr]    |                         -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 | const CACHED_MATRIX_EXT: &'static str = "dft";
[INFO] [stderr]    |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 | const CACHE_METADATA_FILE: &'static str = "cache.meta";
[INFO] [stderr]    |                            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ptr
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let ptr = Box::into_raw(lib) as *mut libc::c_void;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:268:43
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let sample_01_hashes: [u64; 3] = [7065306774709811078, 7065306774709811078, 7065306774172940166];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: consider: `7_065_306_774_709_811_078`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:268:64
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let sample_01_hashes: [u64; 3] = [7065306774709811078, 7065306774709811078, 7065306774172940166];
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^ help: consider: `7_065_306_774_709_811_078`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:268:85
[INFO] [stderr]     |
[INFO] [stderr] 268 |         let sample_01_hashes: [u64; 3] = [7065306774709811078, 7065306774709811078, 7065306774172940166];
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^ help: consider: `7_065_306_774_172_940_166`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:280:43
[INFO] [stderr]     |
[INFO] [stderr] 280 |         let sample_02_hashes: [u64; 3] = [18446744068986765312, 18446744069246812160, 18446744073541779456];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_744_068_986_765_312`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:280:65
[INFO] [stderr]     |
[INFO] [stderr] 280 |         let sample_02_hashes: [u64; 3] = [18446744068986765312, 18446744069246812160, 18446744073541779456];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_744_069_246_812_160`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:280:87
[INFO] [stderr]     |
[INFO] [stderr] 280 |         let sample_02_hashes: [u64; 3] = [18446744068986765312, 18446744069246812160, 18446744073541779456];
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_744_073_541_779_456`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:292:43
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let sample_03_hashes: [u64; 3] = [108649334536274430, 126663733045756414, 108649334536274430];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^ help: consider: `108_649_334_536_274_430`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:292:63
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let sample_03_hashes: [u64; 3] = [108649334536274430, 126663733045756414, 108649334536274430];
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^ help: consider: `126_663_733_045_756_414`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:292:83
[INFO] [stderr]     |
[INFO] [stderr] 292 |         let sample_03_hashes: [u64; 3] = [108649334536274430, 126663733045756414, 108649334536274430];
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^^^^^^^ help: consider: `108_649_334_536_274_430`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:304:43
[INFO] [stderr]     |
[INFO] [stderr] 304 |         let sample_04_hashes: [u64; 3] = [18446460933225054208, 18446460933225054208, 18446460933225054208];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_460_933_225_054_208`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:304:65
[INFO] [stderr]     |
[INFO] [stderr] 304 |         let sample_04_hashes: [u64; 3] = [18446460933225054208, 18446460933225054208, 18446460933225054208];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_460_933_225_054_208`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:304:87
[INFO] [stderr]     |
[INFO] [stderr] 304 |         let sample_04_hashes: [u64; 3] = [18446460933225054208, 18446460933225054208, 18446460933225054208];
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_446_460_933_225_054_208`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:325:43
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let sample_01_hashes: [u64; 3] = [18131474507607572478, 18131474507607572478, 18131474507607572478];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_131_474_507_607_572_478`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:325:65
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let sample_01_hashes: [u64; 3] = [18131474507607572478, 18131474507607572478, 18131474507607572478];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_131_474_507_607_572_478`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:325:87
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let sample_01_hashes: [u64; 3] = [18131474507607572478, 18131474507607572478, 18131474507607572478];
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_131_474_507_607_572_478`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:337:43
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let sample_02_hashes: [u64; 3] = [10088065226894213121, 10088065226894213121, 10088065226894213121];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `10_088_065_226_894_213_121`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:337:65
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let sample_02_hashes: [u64; 3] = [10088065226894213121, 10088065226894213121, 10088065226894213121];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider: `10_088_065_226_894_213_121`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:337:87
[INFO] [stderr]     |
[INFO] [stderr] 337 |         let sample_02_hashes: [u64; 3] = [10088065226894213121, 10088065226894213121, 10088065226894213121];
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: consider: `10_088_065_226_894_213_121`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:349:43
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let sample_03_hashes: [u64; 3] = [144115181601817086, 144115181601817086, 144115181601817086];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^ help: consider: `144_115_181_601_817_086`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:349:63
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let sample_03_hashes: [u64; 3] = [144115181601817086, 144115181601817086, 144115181601817086];
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^ help: consider: `144_115_181_601_817_086`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:349:83
[INFO] [stderr]     |
[INFO] [stderr] 349 |         let sample_03_hashes: [u64; 3] = [144115181601817086, 144115181601817086, 144115181601817086];
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^^^^^^^ help: consider: `144_115_181_601_817_086`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:361:43
[INFO] [stderr]     |
[INFO] [stderr] 361 |         let sample_04_hashes: [u64; 3] = [18374262326015557633, 18374262326015557633, 18374262326283993089];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_374_262_326_015_557_633`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:361:65
[INFO] [stderr]     |
[INFO] [stderr] 361 |         let sample_04_hashes: [u64; 3] = [18374262326015557633, 18374262326015557633, 18374262326283993089];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_374_262_326_015_557_633`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:361:87
[INFO] [stderr]     |
[INFO] [stderr] 361 |         let sample_04_hashes: [u64; 3] = [18374262326015557633, 18374262326015557633, 18374262326283993089];
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: consider: `18_374_262_326_283_993_089`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:382:43
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let sample_01_hashes: [u64; 3] = [72410537899606272, 72410537899606272, 72410537899606400];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: consider: `72_410_537_899_606_272`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:382:62
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let sample_01_hashes: [u64; 3] = [72410537899606272, 72410537899606272, 72410537899606400];
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^^^^^ help: consider: `72_410_537_899_606_272`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:382:81
[INFO] [stderr]     |
[INFO] [stderr] 382 |         let sample_01_hashes: [u64; 3] = [72410537899606272, 72410537899606272, 72410537899606400];
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^^^^^^ help: consider: `72_410_537_899_606_400`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:394:43
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let sample_02_hashes: [u64; 3] = [5620563253458370560, 5620562703702556672, 5620562703702556672];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: consider: `5_620_563_253_458_370_560`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:394:64
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let sample_02_hashes: [u64; 3] = [5620563253458370560, 5620562703702556672, 5620562703702556672];
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^ help: consider: `5_620_562_703_702_556_672`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:394:85
[INFO] [stderr]     |
[INFO] [stderr] 394 |         let sample_02_hashes: [u64; 3] = [5620563253458370560, 5620562703702556672, 5620562703702556672];
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^^^^^^^ help: consider: `5_620_562_703_702_556_672`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:406:43
[INFO] [stderr]     |
[INFO] [stderr] 406 |         let sample_03_hashes: [u64; 3] = [6926536226895822848, 6926536226895822848,  6926536226895822848];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: consider: `6_926_536_226_895_822_848`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:406:64
[INFO] [stderr]     |
[INFO] [stderr] 406 |         let sample_03_hashes: [u64; 3] = [6926536226895822848, 6926536226895822848,  6926536226895822848];
[INFO] [stderr]     |                                                                ^^^^^^^^^^^^^^^^^^^ help: consider: `6_926_536_226_895_822_848`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:406:86
[INFO] [stderr]     |
[INFO] [stderr] 406 |         let sample_03_hashes: [u64; 3] = [6926536226895822848, 6926536226895822848,  6926536226895822848];
[INFO] [stderr]     |                                                                                      ^^^^^^^^^^^^^^^^^^^ help: consider: `6_926_536_226_895_822_848`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:418:43
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let sample_04_hashes: [u64; 3] = [11430286023502856200, 10997940459275288576, 11142055647351144448];
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^ help: consider: `11_430_286_023_502_856_200`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:418:65
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let sample_04_hashes: [u64; 3] = [11430286023502856200, 10997940459275288576, 11142055647351144448];
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^^^^^^^^^^ help: consider: `10_997_940_459_275_288_576`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/lib.rs:418:87
[INFO] [stderr]     |
[INFO] [stderr] 418 |         let sample_04_hashes: [u64; 3] = [11430286023502856200, 10997940459275288576, 11142055647351144448];
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^^^^^ help: consider: `11_142_055_647_351_144_448`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/hash/phash.rs:189:14
[INFO] [stderr]     |
[INFO] [stderr] 189 |         (f * 100000_f64).round() / 100000_f64
[INFO] [stderr]     |              ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/hash/phash.rs:189:36
[INFO] [stderr]     |
[INFO] [stderr] 189 |         (f * 100000_f64).round() / 100000_f64
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/hash/mod.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 | const FLOAT_PRECISION_MAX_5: f64 = f64::MAX / 100000_f64;
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/hash/mod.rs:36:47
[INFO] [stderr]    |
[INFO] [stderr] 36 | const FLOAT_PRECISION_MIN_5: f64 = f64::MIN / 100000_f64;
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: consider: `100_000_f64`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:25:31
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const DEFAULT_CACHE_DIR: &'static str = "./.hash_cache";
[INFO] [stderr]    |                              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 | const CACHED_IMAGE_EXT: &'static str = "png";
[INFO] [stderr]    |                         -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:27:27
[INFO] [stderr]    |
[INFO] [stderr] 27 | const CACHED_MATRIX_EXT: &'static str = "dft";
[INFO] [stderr]    |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/cache.rs:30:29
[INFO] [stderr]    |
[INFO] [stderr] 30 | const CACHE_METADATA_FILE: &'static str = "cache.meta";
[INFO] [stderr]    |                            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/lib.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         ptr
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/lib.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let ptr = Box::into_raw(lib) as *mut libc::c_void;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/hash/ahash.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     total += pixel.data[0] as u64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/hash/ahash.rs:44:36
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mean = total / (height * width) as u64;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(height * width)`
[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]   --> src/hash/ahash.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if pixel.data[0] as u64 >= mean {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[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]   --> src/hash/dhash.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let first_pixel_value = first_pixel.data[0] as u64;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(first_pixel.data[0])`
[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]   --> src/hash/dhash.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 let last_pixel_value = last_pixel.data[0] as u64;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(last_pixel.data[0])`
[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]   --> src/hash/dhash.rs:46:48
[INFO] [stderr]    |
[INFO] [stderr] 46 |                         previous_pixel_value = pixel.data[0] as u64;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[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]   --> src/hash/dhash.rs:49:37
[INFO] [stderr]    |
[INFO] [stderr] 49 |                     let pixel_val = pixel.data[0] as u64;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `data_matrix`.
[INFO] [stderr]   --> src/hash/phash.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 for x in 0..target_width {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 for <item> in data_matrix.iter().take(target_width) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `data_matrix`.
[INFO] [stderr]   --> src/hash/phash.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 for x in 0..target_width {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 for <item> in data_matrix.iter().take(target_width) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/hash/phash.rs:112:33
[INFO] [stderr]     |
[INFO] [stderr] 112 |             data_matrix[x].push(image.get_pixel(pos_x, pos_y).channels()[0] as f64);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(image.get_pixel(pos_x, pos_y).channels()[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `data_matrix`.
[INFO] [stderr]    --> src/hash/phash.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |     for x in 0..width {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 143 |     for <item> in data_matrix.iter().take(width) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `complex_data_matrix`.
[INFO] [stderr]    --> src/hash/phash.rs:161:18
[INFO] [stderr]     |
[INFO] [stderr] 161 |         for x in 0..width {
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 161 |         for <item> in complex_data_matrix.iter().take(width) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/hash/mod.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         if self.orig_path != other.orig_path &&
[INFO] [stderr] 63 | |             calculate_hamming_distance(self.ahash, other.ahash) <=
[INFO] [stderr] 64 | |                 HAMMING_DISTANCE_SIMILARITY_LIMIT &&
[INFO] [stderr] 65 | |             calculate_hamming_distance(self.dhash, other.dhash) <=
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |             false
[INFO] [stderr] 72 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] help: you can reduce it to
[INFO] [stderr]    |
[INFO] [stderr] 62 |         self.orig_path != other.orig_path &&
[INFO] [stderr] 63 |             calculate_hamming_distance(self.ahash, other.ahash) <=
[INFO] [stderr] 64 |                 HAMMING_DISTANCE_SIMILARITY_LIMIT &&
[INFO] [stderr] 65 |             calculate_hamming_distance(self.dhash, other.dhash) <=
[INFO] [stderr] 66 |                 HAMMING_DISTANCE_SIMILARITY_LIMIT &&
[INFO] [stderr] 67 |             calculate_hamming_distance(self.phash, other.phash) <=
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/hash/mod.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 | /                     match processed_image.image {
[INFO] [stderr] 167 | |                         Some(ref image) => {
[INFO] [stderr] 168 | |                             match c.put_image_in_cache(&path, size, &image) {
[INFO] [stderr] 169 | |                                 Ok(_) => {}
[INFO] [stderr] ...   |
[INFO] [stderr] 173 | |                         None => {}
[INFO] [stderr] 174 | |                     };
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     if let Some(ref image) = processed_image.image {
[INFO] [stderr] 167 |     match c.put_image_in_cache(&path, size, &image) {
[INFO] [stderr] 168 |         Ok(_) => {}
[INFO] [stderr] 169 |         Err(e) => println!("Unable to store image in cache. {}", e),
[INFO] [stderr] 170 |     };
[INFO] [stderr] 171 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/hash/mod.rs:186:1
[INFO] [stderr]     |
[INFO] [stderr] 186 | / fn process_image<'a>(image_path: &'a str, size: u32) -> PreparedImage<'a> {
[INFO] [stderr] 187 | |     // Otherwise let's do that work now and store it.
[INFO] [stderr] 188 | |     // println!("Path: {}", image_path);
[INFO] [stderr] 189 | |     let image = match image::open(Path::new(image_path)) {
[INFO] [stderr] ...   |
[INFO] [stderr] 202 | |     }
[INFO] [stderr] 203 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/hash/mod.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     (hash1 ^ hash2).count_ones() as u64
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from((hash1 ^ hash2).count_ones())`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]   --> src/cache.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     fn ne(&self, other: &CacheMetadata) -> bool {
[INFO] [stderr] 49 | |         !self.eq(&other)
[INFO] [stderr] 50 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/cache.rs:81:17
[INFO] [stderr]     |
[INFO] [stderr] 81  | /                 match File::open(&metadata_path) {
[INFO] [stderr] 82  | |                     Ok(mut file) => {
[INFO] [stderr] 83  | |                         // Metadata file exists, compare them
[INFO] [stderr] 84  | |                         let mut loaded_metadata_string = String::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |                     Err(_) => {}
[INFO] [stderr] 113 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 81  |                 if let Ok(mut file) = File::open(&metadata_path) {
[INFO] [stderr] 82  |     // Metadata file exists, compare them
[INFO] [stderr] 83  |     let mut loaded_metadata_string = String::new();
[INFO] [stderr] 84  |     match file.read_to_string(&mut loaded_metadata_string) {
[INFO] [stderr] 85  |         Ok(_) => {
[INFO] [stderr] 86  |             let loaded_metadata: CacheMetadata =
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/cache.rs:240:47
[INFO] [stderr]     |
[INFO] [stderr] 240 |                                file_contents: &Vec<Vec<f64>>)
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^ help: change this to: `&[Vec<f64>]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/cache.rs:269:37
[INFO] [stderr]     |
[INFO] [stderr] 269 |                                     try!(compressor.write(&row_str.into_bytes()));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/cache.rs:278:33
[INFO] [stderr]     |
[INFO] [stderr] 278 |                                 try!(file.write(&compressed_matrix));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/cache.rs:328:40
[INFO] [stderr]     |
[INFO] [stderr] 328 |                                 .split("\n")
[INFO] [stderr]     |                                        ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/cache.rs:330:48
[INFO] [stderr]     |
[INFO] [stderr] 330 |                                     line.split(",")
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/lib.rs:98:40
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let path_cstr = CStr::from_ptr(cache_path_char);
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/lib.rs:120:39
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let path_str = CStr::from_ptr(path_char);
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/lib.rs:138:39
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let path_str = CStr::from_ptr(path_char);
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/lib.rs:156:39
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let path_str = CStr::from_ptr(path_char);
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `pihash`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/hash/ahash.rs:42:30
[INFO] [stderr]    |
[INFO] [stderr] 42 |                     total += pixel.data[0] as u64;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/hash/ahash.rs:44:36
[INFO] [stderr]    |
[INFO] [stderr] 44 |                 let mean = total / (height * width) as u64;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(height * width)`
[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]   --> src/hash/ahash.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     if pixel.data[0] as u64 >= mean {
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[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]   --> src/hash/dhash.rs:38:41
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let first_pixel_value = first_pixel.data[0] as u64;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(first_pixel.data[0])`
[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]   --> src/hash/dhash.rs:39:40
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 let last_pixel_value = last_pixel.data[0] as u64;
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(last_pixel.data[0])`
[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]   --> src/hash/dhash.rs:46:48
[INFO] [stderr]    |
[INFO] [stderr] 46 |                         previous_pixel_value = pixel.data[0] as u64;
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[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]   --> src/hash/dhash.rs:49:37
[INFO] [stderr]    |
[INFO] [stderr] 49 |                     let pixel_val = pixel.data[0] as u64;
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(pixel.data[0])`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `data_matrix`.
[INFO] [stderr]   --> src/hash/phash.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 for x in 0..target_width {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 for <item> in data_matrix.iter().take(target_width) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `data_matrix`.
[INFO] [stderr]   --> src/hash/phash.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 for x in 0..target_width {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 for <item> in data_matrix.iter().take(target_width) {
[INFO] [stderr]    |                     ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/hash/phash.rs:112:33
[INFO] [stderr]     |
[INFO] [stderr] 112 |             data_matrix[x].push(image.get_pixel(pos_x, pos_y).channels()[0] as f64);
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(image.get_pixel(pos_x, pos_y).channels()[0])`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `data_matrix`.
[INFO] [stderr]    --> src/hash/phash.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |     for x in 0..width {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 143 |     for <item> in data_matrix.iter().take(width) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `x` is only used to index `complex_data_matrix`.
[INFO] [stderr]    --> src/hash/phash.rs:161:18
[INFO] [stderr]     |
[INFO] [stderr] 161 |         for x in 0..width {
[INFO] [stderr]     |                  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 161 |         for <item> in complex_data_matrix.iter().take(width) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |     assert!(test_matrix[0][0] == 24_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[0][0] - 24_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |     assert!(test_matrix[0][0] == 24_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |     assert!(test_matrix[1][2] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[1][2] - -2_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |     assert!(test_matrix[1][2] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |     assert!(test_matrix[1][3] == 2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[1][3] - 2_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |     assert!(test_matrix[1][3] == 2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |     assert!(test_matrix[2][1] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[2][1] - -2_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |     assert!(test_matrix[2][1] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |     assert!(test_matrix[2][2] == -4_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[2][2] - -4_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:226:13
[INFO] [stderr]     |
[INFO] [stderr] 226 |     assert!(test_matrix[2][2] == -4_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |     assert!(test_matrix[2][3] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[2][3] - -2_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |     assert!(test_matrix[2][3] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |     assert!(test_matrix[3][1] == 2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[3][1] - 2_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |     assert!(test_matrix[3][1] == 2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/hash/phash.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |     assert!(test_matrix[3][2] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(test_matrix[3][2] - -2_f64).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/hash/phash.rs:231:13
[INFO] [stderr]     |
[INFO] [stderr] 231 |     assert!(test_matrix[3][2] == -2_f64);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: this if-then-else expression returns a bool literal
[INFO] [stderr]   --> src/hash/mod.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 | /         if self.orig_path != other.orig_path &&
[INFO] [stderr] 63 | |             calculate_hamming_distance(self.ahash, other.ahash) <=
[INFO] [stderr] 64 | |                 HAMMING_DISTANCE_SIMILARITY_LIMIT &&
[INFO] [stderr] 65 | |             calculate_hamming_distance(self.dhash, other.dhash) <=
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | |             false
[INFO] [stderr] 72 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_bool
[INFO] [stderr] help: you can reduce it to
[INFO] [stderr]    |
[INFO] [stderr] 62 |         self.orig_path != other.orig_path &&
[INFO] [stderr] 63 |             calculate_hamming_distance(self.ahash, other.ahash) <=
[INFO] [stderr] 64 |                 HAMMING_DISTANCE_SIMILARITY_LIMIT &&
[INFO] [stderr] 65 |             calculate_hamming_distance(self.dhash, other.dhash) <=
[INFO] [stderr] 66 |                 HAMMING_DISTANCE_SIMILARITY_LIMIT &&
[INFO] [stderr] 67 |             calculate_hamming_distance(self.phash, other.phash) <=
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/hash/mod.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 | /                     match processed_image.image {
[INFO] [stderr] 167 | |                         Some(ref image) => {
[INFO] [stderr] 168 | |                             match c.put_image_in_cache(&path, size, &image) {
[INFO] [stderr] 169 | |                                 Ok(_) => {}
[INFO] [stderr] ...   |
[INFO] [stderr] 173 | |                         None => {}
[INFO] [stderr] 174 | |                     };
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 166 |                     if let Some(ref image) = processed_image.image {
[INFO] [stderr] 167 |     match c.put_image_in_cache(&path, size, &image) {
[INFO] [stderr] 168 |         Ok(_) => {}
[INFO] [stderr] 169 |         Err(e) => println!("Unable to store image in cache. {}", e),
[INFO] [stderr] 170 |     };
[INFO] [stderr] 171 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/hash/mod.rs:186:1
[INFO] [stderr]     |
[INFO] [stderr] 186 | / fn process_image<'a>(image_path: &'a str, size: u32) -> PreparedImage<'a> {
[INFO] [stderr] 187 | |     // Otherwise let's do that work now and store it.
[INFO] [stderr] 188 | |     // println!("Path: {}", image_path);
[INFO] [stderr] 189 | |     let image = match image::open(Path::new(image_path)) {
[INFO] [stderr] ...   |
[INFO] [stderr] 202 | |     }
[INFO] [stderr] 203 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/hash/mod.rs:247:5
[INFO] [stderr]     |
[INFO] [stderr] 247 |     (hash1 ^ hash2).count_ones() as u64
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from((hash1 ^ hash2).count_ones())`
[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: re-implementing `PartialEq::ne` is unnecessary
[INFO] [stderr]   --> src/cache.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 | /     fn ne(&self, other: &CacheMetadata) -> bool {
[INFO] [stderr] 49 | |         !self.eq(&other)
[INFO] [stderr] 50 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::partialeq_ne_impl)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/cache.rs:81:17
[INFO] [stderr]     |
[INFO] [stderr] 81  | /                 match File::open(&metadata_path) {
[INFO] [stderr] 82  | |                     Ok(mut file) => {
[INFO] [stderr] 83  | |                         // Metadata file exists, compare them
[INFO] [stderr] 84  | |                         let mut loaded_metadata_string = String::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |                     Err(_) => {}
[INFO] [stderr] 113 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 81  |                 if let Ok(mut file) = File::open(&metadata_path) {
[INFO] [stderr] 82  |     // Metadata file exists, compare them
[INFO] [stderr] 83  |     let mut loaded_metadata_string = String::new();
[INFO] [stderr] 84  |     match file.read_to_string(&mut loaded_metadata_string) {
[INFO] [stderr] 85  |         Ok(_) => {
[INFO] [stderr] 86  |             let loaded_metadata: CacheMetadata =
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/cache.rs:240:47
[INFO] [stderr]     |
[INFO] [stderr] 240 |                                file_contents: &Vec<Vec<f64>>)
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^ help: change this to: `&[Vec<f64>]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/cache.rs:269:37
[INFO] [stderr]     |
[INFO] [stderr] 269 |                                     try!(compressor.write(&row_str.into_bytes()));
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::unused_io_amount)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]    --> src/cache.rs:278:33
[INFO] [stderr]     |
[INFO] [stderr] 278 |                                 try!(file.write(&compressed_matrix));
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/cache.rs:328:40
[INFO] [stderr]     |
[INFO] [stderr] 328 |                                 .split("\n")
[INFO] [stderr]     |                                        ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/cache.rs:330:48
[INFO] [stderr]     |
[INFO] [stderr] 330 |                                     line.split(",")
[INFO] [stderr]     |                                                ^^^ help: try using a char instead: `','`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]   --> src/lib.rs:98:40
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let path_cstr = CStr::from_ptr(cache_path_char);
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::not_unsafe_ptr_arg_deref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/lib.rs:120:39
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let path_str = CStr::from_ptr(path_char);
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/lib.rs:138:39
[INFO] [stderr]     |
[INFO] [stderr] 138 |         let path_str = CStr::from_ptr(path_char);
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: this public function dereferences a raw pointer but is not marked `unsafe`
[INFO] [stderr]    --> src/lib.rs:156:39
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let path_str = CStr::from_ptr(path_char);
[INFO] [stderr]     |                                       ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `pihash`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3f539f1f629d3a2e2f656ef10d8239dc0ab28ef6831e8620e4636aa608f65d3d"`
[INFO] running `"docker" "rm" "-f" "3f539f1f629d3a2e2f656ef10d8239dc0ab28ef6831e8620e4636aa608f65d3d"`
[INFO] [stdout] 3f539f1f629d3a2e2f656ef10d8239dc0ab28ef6831e8620e4636aa608f65d3d