[INFO] cloning repository https://github.com/tplaysted/fast-dedup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tplaysted/fast-dedup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftplaysted%2Ffast-dedup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftplaysted%2Ffast-dedup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b77bd2a9ab30514610e32efa077380c6c60ec6b
[INFO] linting tplaysted/fast-dedup against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftplaysted%2Ffast-dedup" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tplaysted/fast-dedup
[INFO] finished tweaking git repo https://github.com/tplaysted/fast-dedup
[INFO] tweaked toml for git repo https://github.com/tplaysted/fast-dedup written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tplaysted/fast-dedup on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tplaysted/fast-dedup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fast-dhash v0.1.0
[INFO] [stderr]   Downloaded clap v4.5.0
[INFO] [stderr]   Downloaded clap_builder v4.5.0
[INFO] [stderr]   Downloaded png v0.17.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 310f08bfa9690aa05cf6fd57e19089c362d8b244e56b1b31d91a572cd286b596
[INFO] running `Command { std: "docker" "start" "-a" "310f08bfa9690aa05cf6fd57e19089c362d8b244e56b1b31d91a572cd286b596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "310f08bfa9690aa05cf6fd57e19089c362d8b244e56b1b31d91a572cd286b596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310f08bfa9690aa05cf6fd57e19089c362d8b244e56b1b31d91a572cd286b596", kill_on_drop: false }`
[INFO] [stdout] 310f08bfa9690aa05cf6fd57e19089c362d8b244e56b1b31d91a572cd286b596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ae0b28670f1729a1420297a5cc23ba5e796e6a6f3518f959d6776025005f1f
[INFO] running `Command { std: "docker" "start" "-a" "44ae0b28670f1729a1420297a5cc23ba5e796e6a6f3518f959d6776025005f1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking png v0.17.11
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking clap_builder v4.5.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking imagesize v0.12.0
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking image v0.24.8
[INFO] [stderr]     Checking clap v4.5.0
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking fast-dhash v0.1.0
[INFO] [stderr]     Checking dedup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image;
[INFO] [stdout]    | ^^^^^^^^^^ help: remove it entirely
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout]    = note: `#[warn(clippy::single_component_path_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | use imagesize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^ help: remove it entirely
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Some(self_size > other_size);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 51 -         return Some(self_size > other_size);
[INFO] [stdout] 51 +         Some(self_size > other_size)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/main.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |         if !is_image(&self) {return None};
[INFO] [stdout]    |                      ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/main.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if !is_image(&other) {return None};
[INFO] [stdout]    |                      ^^^^^^ help: change this to: `other`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let self_size: usize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `self_size` here and remove the assignments from the `match` arms
[INFO] [stdout]    |
[INFO] [stdout] 34 ~         
[INFO] [stdout] 35 |         let other_size: usize;
[INFO] [stdout] 36 |
[INFO] [stdout] 37 ~         let self_size: usize = match imagesize::size(self) {
[INFO] [stdout] 38 |             Ok(dim) => {
[INFO] [stdout] 39 ~                 dim.width * dim.height
[INFO] [stdout] 40 |             }
[INFO] [stdout] 41 |             Err(why) => {println!("Error getting size: {:?}", why); return None;}
[INFO] [stdout] 42 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let other_size: usize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `other_size` here and remove the assignments from the `match` arms
[INFO] [stdout]    |
[INFO] [stdout] 35 ~         
[INFO] [stdout] 36 |
[INFO] [stdout] ...
[INFO] [stdout] 43 |
[INFO] [stdout] 44 ~         let other_size: usize = match imagesize::size(other) {
[INFO] [stdout] 45 |             Ok(dim) => {
[INFO] [stdout] 46 ~                 dim.width * dim.height
[INFO] [stdout] 47 |             }
[INFO] [stdout] 48 |             Err(why) => {println!("Error getting size: {:?}", why); return None;}
[INFO] [stdout] 49 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         return IsBetterQual::partial_cmp(Path::new(self), Path::new(other));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         return IsBetterQual::partial_cmp(Path::new(self), Path::new(other));
[INFO] [stdout] 57 +         IsBetterQual::partial_cmp(Path::new(self), Path::new(other))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     if !ext.is_none() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: try: `ext.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `ext` after checking its variant with `is_none`
[INFO] [stdout]   --> src/main.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |     if !ext.is_none() {
[INFO] [stdout]    |         ------------- the check is happening here
[INFO] [stdout] 65 |         match ext.unwrap().to_str() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         return false
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 75 -         return false
[INFO] [stdout] 75 +         false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | /         match ext.unwrap().to_str() {
[INFO] [stdout] 66 | |             Some("jpg") => true,
[INFO] [stdout] 67 | |             Some("jpeg") => true,
[INFO] [stdout] 68 | |             Some("png") => true,
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |             _ => false
[INFO] [stdout] 73 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 65 -         match ext.unwrap().to_str() {
[INFO] [stdout] 66 -             Some("jpg") => true,
[INFO] [stdout] 67 -             Some("jpeg") => true,
[INFO] [stdout] 68 -             Some("png") => true,
[INFO] [stdout] 69 -             Some("JPG") => true,
[INFO] [stdout] 70 -             Some("JPEG") => true,
[INFO] [stdout] 71 -             Some("PNG") => true,
[INFO] [stdout] 72 -             _ => false
[INFO] [stdout] 73 -         }
[INFO] [stdout] 65 +         matches!(ext.unwrap().to_str(), Some("jpg") | Some("jpeg") | Some("png") | Some("JPG") | Some("JPEG") | Some("PNG"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     return Ok(image_paths);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 101 -     return Ok(image_paths);
[INFO] [stdout] 101 +     Ok(image_paths)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     return splits;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 125 -     return splits;
[INFO] [stdout] 125 +     splits
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `big_vec`
[INFO] [stdout]    --> src/main.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for j in i * (d + 1) .. (i + 1) * (d + 1) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 111 -         for j in i * (d + 1) .. (i + 1) * (d + 1) {
[INFO] [stdout] 111 +         for <item> in big_vec.iter().take((i + 1) * (d + 1)).skip(i * (d + 1)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `big_vec`
[INFO] [stdout]    --> src/main.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |         for j in r + i * d .. r + (i + 1) * d {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 119 -         for j in r + i * d .. r + (i + 1) * d {
[INFO] [stdout] 119 +         for <item> in big_vec.iter().take(r + (i + 1) * d).skip(r + i * d) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     return Ok(hashes);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 142 -     return Ok(hashes);
[INFO] [stdout] 142 +     Ok(hashes)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     return Ok(hashes);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 175 -     return Ok(hashes);
[INFO] [stdout] 175 +     Ok(hashes)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `usize`
[INFO] [stdout]    --> src/main.rs:148:36
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let splits = get_splits(paths, thread_count.try_into().unwrap());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `.try_into()`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `i` is used as a loop counter
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     for split in splits {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `for (i, split) in (1..).zip(splits.into_iter())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]     = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     return Ok(total);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 185 -     return Ok(total);
[INFO] [stdout] 185 +     Ok(total)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     return (originals, duplicates);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     return (originals, duplicates);
[INFO] [stdout] 220 +     (originals, duplicates)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     return Ok(());
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 232 -     return Ok(());
[INFO] [stdout] 232 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/main.rs:226:38
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't delete folder"));}
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout]     = note: `#[warn(clippy::io_other_error)]` on by default
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 226 -         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't delete folder"));}
[INFO] [stdout] 226 +         if path.is_dir() {return Err(std::io::Error::other("Can't delete folder"));}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/main.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 | /         if let Err(why) = fs::remove_file(path) {
[INFO] [stdout] 228 | |             return Err(why);
[INFO] [stdout] 229 | |         }
[INFO] [stdout]     | |_________^ help: replace it with: `fs::remove_file(path)?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |     return Ok(());
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 248 -     return Ok(());
[INFO] [stdout] 248 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/main.rs:236:34
[INFO] [stdout]     |
[INFO] [stdout] 236 |     if !dir.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "'dir' must be a directory"));}
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 236 -     if !dir.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "'dir' must be a directory"));}
[INFO] [stdout] 236 +     if !dir.is_dir() {return Err(std::io::Error::other("'dir' must be a directory"));}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/main.rs:240:38
[INFO] [stdout]     |
[INFO] [stdout] 240 |         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't copy folder"));}
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 240 -         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't copy folder"));}
[INFO] [stdout] 240 +         if path.is_dir() {return Err(std::io::Error::other("Can't copy folder"));}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/main.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         if let Err(why) = fs::copy(path, new_path) {
[INFO] [stdout] 244 | |             return Err(why);
[INFO] [stdout] 245 | |         }
[INFO] [stdout]     | |_________^ help: replace it with: `fs::copy(path, new_path)?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | use image;
[INFO] [stdout]    | ^^^^^^^^^^ help: remove it entirely
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout]    = note: `#[warn(clippy::single_component_path_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this import is redundant
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | use imagesize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^ help: remove it entirely
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         return Some(self_size > other_size);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 51 -         return Some(self_size > other_size);
[INFO] [stdout] 51 +         Some(self_size > other_size)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/main.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |         if !is_image(&self) {return None};
[INFO] [stdout]    |                      ^^^^^ help: change this to: `self`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/main.rs:32:22
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if !is_image(&other) {return None};
[INFO] [stdout]    |                      ^^^^^^ help: change this to: `other`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let self_size: usize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `self_size` here and remove the assignments from the `match` arms
[INFO] [stdout]    |
[INFO] [stdout] 34 ~         
[INFO] [stdout] 35 |         let other_size: usize;
[INFO] [stdout] 36 |
[INFO] [stdout] 37 ~         let self_size: usize = match imagesize::size(self) {
[INFO] [stdout] 38 |             Ok(dim) => {
[INFO] [stdout] 39 ~                 dim.width * dim.height
[INFO] [stdout] 40 |             }
[INFO] [stdout] 41 |             Err(why) => {println!("Error getting size: {:?}", why); return None;}
[INFO] [stdout] 42 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let other_size: usize;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `other_size` here and remove the assignments from the `match` arms
[INFO] [stdout]    |
[INFO] [stdout] 35 ~         
[INFO] [stdout] 36 |
[INFO] [stdout] ...
[INFO] [stdout] 43 |
[INFO] [stdout] 44 ~         let other_size: usize = match imagesize::size(other) {
[INFO] [stdout] 45 |             Ok(dim) => {
[INFO] [stdout] 46 ~                 dim.width * dim.height
[INFO] [stdout] 47 |             }
[INFO] [stdout] 48 |             Err(why) => {println!("Error getting size: {:?}", why); return None;}
[INFO] [stdout] 49 ~         };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         return IsBetterQual::partial_cmp(Path::new(self), Path::new(other));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 57 -         return IsBetterQual::partial_cmp(Path::new(self), Path::new(other));
[INFO] [stdout] 57 +         IsBetterQual::partial_cmp(Path::new(self), Path::new(other))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     if !ext.is_none() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^ help: try: `ext.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `ext` after checking its variant with `is_none`
[INFO] [stdout]   --> src/main.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 64 |     if !ext.is_none() {
[INFO] [stdout]    |         ------------- the check is happening here
[INFO] [stdout] 65 |         match ext.unwrap().to_str() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: try using `match`
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/main.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         return false
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 75 -         return false
[INFO] [stdout] 75 +         false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 | /         match ext.unwrap().to_str() {
[INFO] [stdout] 66 | |             Some("jpg") => true,
[INFO] [stdout] 67 | |             Some("jpeg") => true,
[INFO] [stdout] 68 | |             Some("png") => true,
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |             _ => false
[INFO] [stdout] 73 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 65 -         match ext.unwrap().to_str() {
[INFO] [stdout] 66 -             Some("jpg") => true,
[INFO] [stdout] 67 -             Some("jpeg") => true,
[INFO] [stdout] 68 -             Some("png") => true,
[INFO] [stdout] 69 -             Some("JPG") => true,
[INFO] [stdout] 70 -             Some("JPEG") => true,
[INFO] [stdout] 71 -             Some("PNG") => true,
[INFO] [stdout] 72 -             _ => false
[INFO] [stdout] 73 -         }
[INFO] [stdout] 65 +         matches!(ext.unwrap().to_str(), Some("jpg") | Some("jpeg") | Some("png") | Some("JPG") | Some("JPEG") | Some("PNG"))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     return Ok(image_paths);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 101 -     return Ok(image_paths);
[INFO] [stdout] 101 +     Ok(image_paths)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     return splits;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 125 -     return splits;
[INFO] [stdout] 125 +     splits
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `big_vec`
[INFO] [stdout]    --> src/main.rs:111:18
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for j in i * (d + 1) .. (i + 1) * (d + 1) {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]     = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 111 -         for j in i * (d + 1) .. (i + 1) * (d + 1) {
[INFO] [stdout] 111 +         for <item> in big_vec.iter().take((i + 1) * (d + 1)).skip(i * (d + 1)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `big_vec`
[INFO] [stdout]    --> src/main.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |         for j in r + i * d .. r + (i + 1) * d {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 119 -         for j in r + i * d .. r + (i + 1) * d {
[INFO] [stdout] 119 +         for <item> in big_vec.iter().take(r + (i + 1) * d).skip(r + i * d) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     return Ok(hashes);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 142 -     return Ok(hashes);
[INFO] [stdout] 142 +     Ok(hashes)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:175:5
[INFO] [stdout]     |
[INFO] [stdout] 175 |     return Ok(hashes);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 175 -     return Ok(hashes);
[INFO] [stdout] 175 +     Ok(hashes)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `usize`
[INFO] [stdout]    --> src/main.rs:148:36
[INFO] [stdout]     |
[INFO] [stdout] 148 |     let splits = get_splits(paths, thread_count.try_into().unwrap());
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing `.try_into()`
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `i` is used as a loop counter
[INFO] [stdout]    --> src/main.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 |     for split in splits {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^ help: consider using: `for (i, split) in (1..).zip(splits.into_iter())`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]     = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     return Ok(total);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 185 -     return Ok(total);
[INFO] [stdout] 185 +     Ok(total)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 220 |     return (originals, duplicates);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 220 -     return (originals, duplicates);
[INFO] [stdout] 220 +     (originals, duplicates)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:232:5
[INFO] [stdout]     |
[INFO] [stdout] 232 |     return Ok(());
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 232 -     return Ok(());
[INFO] [stdout] 232 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/main.rs:226:38
[INFO] [stdout]     |
[INFO] [stdout] 226 |         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't delete folder"));}
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout]     = note: `#[warn(clippy::io_other_error)]` on by default
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 226 -         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't delete folder"));}
[INFO] [stdout] 226 +         if path.is_dir() {return Err(std::io::Error::other("Can't delete folder"));}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/main.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 227 | /         if let Err(why) = fs::remove_file(path) {
[INFO] [stdout] 228 | |             return Err(why);
[INFO] [stdout] 229 | |         }
[INFO] [stdout]     | |_________^ help: replace it with: `fs::remove_file(path)?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout]     = note: `#[warn(clippy::question_mark)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/main.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |     return Ok(());
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 248 -     return Ok(());
[INFO] [stdout] 248 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/main.rs:236:34
[INFO] [stdout]     |
[INFO] [stdout] 236 |     if !dir.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "'dir' must be a directory"));}
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 236 -     if !dir.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "'dir' must be a directory"));}
[INFO] [stdout] 236 +     if !dir.is_dir() {return Err(std::io::Error::other("'dir' must be a directory"));}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this can be `std::io::Error::other(_)`
[INFO] [stdout]    --> src/main.rs:240:38
[INFO] [stdout]     |
[INFO] [stdout] 240 |         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't copy folder"));}
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error
[INFO] [stdout] help: use `std::io::Error::other`
[INFO] [stdout]     |
[INFO] [stdout] 240 -         if path.is_dir() {return Err(std::io::Error::new(std::io::ErrorKind::Other, "Can't copy folder"));}
[INFO] [stdout] 240 +         if path.is_dir() {return Err(std::io::Error::other("Can't copy folder"));}
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this block may be rewritten with the `?` operator
[INFO] [stdout]    --> src/main.rs:243:9
[INFO] [stdout]     |
[INFO] [stdout] 243 | /         if let Err(why) = fs::copy(path, new_path) {
[INFO] [stdout] 244 | |             return Err(why);
[INFO] [stdout] 245 | |         }
[INFO] [stdout]     | |_________^ help: replace it with: `fs::copy(path, new_path)?`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#question_mark
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.97s
[INFO] running `Command { std: "docker" "inspect" "44ae0b28670f1729a1420297a5cc23ba5e796e6a6f3518f959d6776025005f1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ae0b28670f1729a1420297a5cc23ba5e796e6a6f3518f959d6776025005f1f", kill_on_drop: false }`
[INFO] [stdout] 44ae0b28670f1729a1420297a5cc23ba5e796e6a6f3518f959d6776025005f1f