[INFO] cloning repository https://github.com/Isan-Rivkin/image-toolbox-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Isan-Rivkin/image-toolbox-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fimage-toolbox-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fimage-toolbox-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c305a5b6a43fad8b449780df210f5e383c4d6d56
[INFO] testing Isan-Rivkin/image-toolbox-rs against 1.93.0 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fimage-toolbox-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Isan-Rivkin/image-toolbox-rs
[INFO] finished tweaking git repo https://github.com/Isan-Rivkin/image-toolbox-rs
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[INFO] validating manifest of git repo https://github.com/Isan-Rivkin/image-toolbox-rs on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Isan-Rivkin/image-toolbox-rs already has a lockfile, it will not be regenerated
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.1
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[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling either v1.5.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling bitflags v1.0.4
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[INFO] [stderr]    Compiling math v0.0.2
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
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[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling image-toolbox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ImageBuffer` and `RGB`
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 | use image::{GenericImage, ImageBuffer,RGB,GenericImageView, DynamicImage};
[INFO] [stdout]    |                           ^^^^^^^^^^^ ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::imageops`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use image::imageops;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]   --> src/lib.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `R` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `G` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `B` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             - matches any value
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             - matches any value
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `R`
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Pix::R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 81 |             _R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `G`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Pix::G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 82 |             _G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `B`
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `B`
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Pix::B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 83 |             _B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut sum_distros = 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_sum_distros` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum_distros` is never read
[INFO] [stdout]    --> src/lib.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 sum_distros += r_dist[i];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut up_to = original_pixel as u32 +1;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pixel`
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let new_pixel = 0; 
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let L = 256;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f,"\n----------------- RED -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = write!(f,"\n----------------- RED -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let _ = write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let L = 256;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `colorType` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn transform_pixel(original_pixel : u8, colorType : Pix ,histogram :& Histogram)-> u8{
[INFO] [stdout]     |                                             ^^^^^^^^^ help: convert the identifier to snake case: `color_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let L = 256.0; 
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.74s
[INFO] running `Command { std: "docker" "inspect" "65b4310dec12fb4dc0f80d5a1d1370ef5298a9b20080b7f91f5927fc448de244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65b4310dec12fb4dc0f80d5a1d1370ef5298a9b20080b7f91f5927fc448de244", kill_on_drop: false }`
[INFO] [stdout] 65b4310dec12fb4dc0f80d5a1d1370ef5298a9b20080b7f91f5927fc448de244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a8bff0d610f578f255945f064c296427d4405c3411072666afbf018d76d715c
[INFO] running `Command { std: "docker" "start" "-a" "3a8bff0d610f578f255945f064c296427d4405c3411072666afbf018d76d715c", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `ImageBuffer` and `RGB`
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 | use image::{GenericImage, ImageBuffer,RGB,GenericImageView, DynamicImage};
[INFO] [stdout]    |                           ^^^^^^^^^^^ ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::imageops`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use image::imageops;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]   --> src/lib.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `R` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `G` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `B` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             - matches any value
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling image-toolbox v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             - matches any value
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `R`
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Pix::R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 81 |             _R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `G`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Pix::G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 82 |             _G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `B`
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `B`
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Pix::B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 83 |             _B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut sum_distros = 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_sum_distros` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum_distros` is never read
[INFO] [stdout]    --> src/lib.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 sum_distros += r_dist[i];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut up_to = original_pixel as u32 +1;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pixel`
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let new_pixel = 0; 
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let L = 256;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f,"\n----------------- RED -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = write!(f,"\n----------------- RED -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let _ = write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let L = 256;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `colorType` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn transform_pixel(original_pixel : u8, colorType : Pix ,histogram :& Histogram)-> u8{
[INFO] [stdout]     |                                             ^^^^^^^^^ help: convert the identifier to snake case: `color_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let L = 256.0; 
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ImageBuffer` and `RGB`
[INFO] [stdout]   --> src/lib.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 | use image::{GenericImage, ImageBuffer,RGB,GenericImageView, DynamicImage};
[INFO] [stdout]    |                           ^^^^^^^^^^^ ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::imageops`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use image::imageops;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]   --> src/lib.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::cmp::{min, max};
[INFO] [stdout]    |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `R` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `G` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::G`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0170]: pattern binding `B` is named the same as one of the variants of the type `Pix`
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: to match on the variant, qualify the path: `Pix::B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             - matches any value
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             - matches any value
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `R`
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `R`
[INFO] [stdout]    |
[INFO] [stdout] 81 |             Pix::R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 81 |             _R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `G`
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `G`
[INFO] [stdout]    |
[INFO] [stdout] 82 |             Pix::G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 82 |             _G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `B`
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `B`
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Pix::B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             +++++
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 83 |             _B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut sum_distros = 0.0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_sum_distros` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum_distros` is never read
[INFO] [stdout]    --> src/lib.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 sum_distros += r_dist[i];
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |     let mut up_to = original_pixel as u32 +1;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_pixel`
[INFO] [stdout]    --> src/lib.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let new_pixel = 0; 
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pixel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2`
[INFO] [stdout]    --> src/lib.rs:218:21
[INFO] [stdout]     |
[INFO] [stdout] 218 |                 let p2 = img2.get_pixel(i, j);
[INFO] [stdout]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let L = 256;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         write!(f,"\n----------------- RED -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let _ = write!(f,"\n----------------- RED -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let _ = write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let _ = write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 let _ = write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |         write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let _ = write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let _ = write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `R` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `G` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `B` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let L = 256;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `colorType` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn transform_pixel(original_pixel : u8, colorType : Pix ,histogram :& Histogram)-> u8{
[INFO] [stdout]     |                                             ^^^^^^^^^ help: convert the identifier to snake case: `color_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let L = 256.0; 
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0170`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3a8bff0d610f578f255945f064c296427d4405c3411072666afbf018d76d715c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a8bff0d610f578f255945f064c296427d4405c3411072666afbf018d76d715c", kill_on_drop: false }`
[INFO] [stdout] 3a8bff0d610f578f255945f064c296427d4405c3411072666afbf018d76d715c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d4db23fa23db5cafa3d7e0775607edd569473b5730d6cc6169d750202e302af
[INFO] running `Command { std: "docker" "start" "-a" "6d4db23fa23db5cafa3d7e0775607edd569473b5730d6cc6169d750202e302af", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ImageBuffer` and `RGB`
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:33:27
[INFO] [stdout] running 1 test
[INFO] [stderr]    |
[INFO] [stderr] 33 | use image::{GenericImage, ImageBuffer,RGB,GenericImageView, DynamicImage};
[INFO] [stderr]    |                           ^^^^^^^^^^^ ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::imageops`
[INFO] [stderr]   --> src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | use image::imageops;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max` and `min`
[INFO] [stderr]   --> src/lib.rs:35:16
[INFO] [stderr]    |
[INFO] [stderr] 35 | use std::cmp::{min, max};
[INFO] [stderr]    |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `R` is named the same as one of the variants of the type `Pix`
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ help: to match on the variant, qualify the path: `Pix::R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bindings_with_variant_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `G` is named the same as one of the variants of the type `Pix`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ help: to match on the variant, qualify the path: `Pix::G`
[INFO] [stderr] 
[INFO] [stderr] warning[E0170]: pattern binding `B` is named the same as one of the variants of the type `Pix`
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ help: to match on the variant, qualify the path: `Pix::B`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             - matches any value
[INFO] [stderr] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             - matches any value
[INFO] [stderr] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stderr] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `R`
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: you might have meant to pattern match on the similarly named variant `R`
[INFO] [stderr]    |
[INFO] [stderr] 81 |             Pix::R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             +++++
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 81 |             _R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             +
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `G`
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr] help: you might have meant to pattern match on the similarly named variant `G`
[INFO] [stderr]    |
[INFO] [stderr] 82 |             Pix::G => self.g_dist[pix_val as usize], 
[INFO] [stderr]    |             +++++
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 82 |             _G => self.g_dist[pix_val as usize], 
[INFO] [stderr]    |             +
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `B`
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr] help: you might have meant to pattern match on the similarly named variant `B`
[INFO] [stderr]    |
[INFO] [stderr] 83 |             Pix::B => self.b_dist[pix_val as usize], 
[INFO] [stderr]    |             +++++
[INFO] [stderr] help: if this is intentional, prefix it with an underscore
[INFO] [stderr]    |
[INFO] [stderr] 83 |             _B => self.b_dist[pix_val as usize], 
[INFO] [stderr]    |             +
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |         let mut sum_distros = 0.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_sum_distros` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `sum_distros` is never read
[INFO] [stderr]    --> src/lib.rs:107:17
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 sum_distros += r_dist[i];
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |     let mut up_to = original_pixel as u32 +1;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_pixel`
[INFO] [stderr]    --> src/lib.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let new_pixel = 0; 
[INFO] [stderr]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_pixel`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let L = 256;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         write!(f,"\n----------------- RED -----------------\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let _ = write!(f,"\n----------------- RED -----------------\n");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:56:17
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let _ = write!(f,"{} => {}\n", i, self.r_dist[i]);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let _ = write!(f,"\n----------------- GREEN -----------------\n");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 let _ = write!(f,"{} => {}\n", i, self.g_dist[i]);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |         write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let _ = write!(f,"\n----------------- BLUE -----------------\n");
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/lib.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let _ = write!(f,"{} => {}\n", i, self.b_dist[i]);
[INFO] [stderr]    |                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `R` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |             R => self.r_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `r`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `G` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:82:13
[INFO] [stderr]    |
[INFO] [stderr] 82 |             G => self.g_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `g`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `B` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:83:13
[INFO] [stderr]    |
[INFO] [stderr] 83 |             B => self.b_dist[pix_val as usize], 
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let L = 256;
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `colorType` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:124:45
[INFO] [stderr]     |
[INFO] [stderr] 124 | pub fn transform_pixel(original_pixel : u8, colorType : Pix ,histogram :& Histogram)-> u8{
[INFO] [stderr]     |                                             ^^^^^^^^^ help: convert the identifier to snake case: `color_type`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `L` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 |     let L = 256.0; 
[INFO] [stderr]     |         ^ help: convert the identifier to snake case: `l`
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0170`.
[INFO] [stderr] warning: unused variable: `p2`
[INFO] [stderr]    --> src/lib.rs:218:21
[INFO] [stderr]     |
[INFO] [stderr] 218 |                 let p2 = img2.get_pixel(i, j);
[INFO] [stderr]     |                     ^^ help: if this is intentional, prefix it with an underscore: `_p2`
[INFO] [stderr] 
[INFO] [stderr] warning: `image-toolbox` (lib) generated 28 warnings (run `cargo fix --lib -p image-toolbox` to apply 11 suggestions)
[INFO] [stderr] warning: `image-toolbox` (lib test) generated 29 warnings (28 duplicates) (run `cargo fix --lib -p image-toolbox --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/image_toolbox-fc2662b2d93e164f)
[INFO] [stdout] test tests::perform_histogram_equalization ... ok
[INFO] [stderr]    Doc-tests image_toolbox
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.84s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ignored
[INFO] [stdout] test src/lib.rs - (line 5) ... ignored
[INFO] [stdout] test src/lib.rs - load_img (line 163) ... ok
[INFO] [stdout] test src/lib.rs - transform_from_histogram (line 135) ... ok
[INFO] [stdout] test src/lib.rs - save_img (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - normalize_brightness (line 188) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - save_img (line 173) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (203) panicked at src/lib.rs:11:39:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x58b09c249762 - std::backtrace_rs::backtrace::libunwind::trace::h90e89fac33585832
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x58b09c249762 - std::backtrace_rs::backtrace::trace_unsynchronized::heebcf2380a8e7359
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x58b09c249762 - std::sys::backtrace::_print_fmt::hdf3e2a22d2f810db
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:68:9
[INFO] [stdout]    3:     0x58b09c249762 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hac1d885928ba8582
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:38:26
[INFO] [stdout]    4:     0x58b09c258917 - core::fmt::rt::Argument::fmt::h6901eb7c19abebe8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x58b09c258917 - core::fmt::write::h83ebb4d32483be9e
[INFO] [stdout]    6:     0x58b09c228796 - std::io::default_write_fmt::hdea1c6df292e9097
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x58b09c228796 - std::io::Write::write_fmt::ha6a1d6c1ea64b2d0
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x58b09c22f296 - std::sys::backtrace::BacktraceLock::print::hcc2e1a3ac996c911
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:41:9
[INFO] [stdout]    9:     0x58b09c22f296 - std::panicking::default_hook::{{closure}}::h8e9c4d1276f0925f
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x58b09c22f0f6 - std::panicking::default_hook::h2b2078d38b534dfb
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x58b09c22f4db - std::panicking::panic_with_hook::h39b739724e701bfd
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x58b09c22f358 - std::panicking::panic_handler::{{closure}}::he540c4833054e458
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x58b09c22d989 - std::sys::backtrace::__rust_end_short_backtrace::hfa179d89deec8aed
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/sys/backtrace.rs:176:18
[INFO] [stdout]   14:     0x58b09c21d6bd - __rustc[d131491b17107b07]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x58b09c25bcac - core::panicking::panic_fmt::ha564519d657d9c46
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x58b09c25b4e2 - core::result::unwrap_failed::h23873bb39ca9a844
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x58b09c1d488c - rust_out::main::_doctest_main_src_lib_rs_173_0::h6fc89a80cca3050b
[INFO] [stdout]   18:     0x58b09c1d47b6 - rust_out::main::hddb47a63e130bd9b
[INFO] [stdout]   19:     0x58b09c1d4793 - core::ops::function::FnOnce::call_once::h96beabba765cc134
[INFO] [stdout]   20:     0x58b09c1d4736 - std::sys::backtrace::__rust_begin_short_backtrace::hfbfc9999389ebc3c
[INFO] [stdout]   21:     0x58b09c1d4719 - std::rt::lang_start::{{closure}}::h80a253ee4580ed9e
[INFO] [stdout]   22:     0x58b09c229a56 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h52f3341f83ee0b20
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x58b09c229a56 - std::panicking::catch_unwind::do_call::h14dbcc353f10da05
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x58b09c229a56 - std::panicking::catch_unwind::h0f5e61927052bc65
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x58b09c229a56 - std::panic::catch_unwind::h8d8992fccbbe3818
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x58b09c229a56 - std::rt::lang_start_internal::{{closure}}::h2586bbc303a85ad8
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x58b09c229a56 - std::panicking::catch_unwind::do_call::h68525f29457c7630
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x58b09c229a56 - std::panicking::catch_unwind::h9d0806e64d8b7d77
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x58b09c229a56 - std::panic::catch_unwind::h9b43c59c05f0dec3
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x58b09c229a56 - std::rt::lang_start_internal::h74b643a2cc7fe3b4
[INFO] [stdout]                                at /rustc/254b59607d4417e9dffbc307138ae5c86280fe4c/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x58b09c1d4701 - std::rt::lang_start::ha74422474068e822
[INFO] [stdout]   32:     0x58b09c1d4905 - main
[INFO] [stdout]   33:     0x707aff02c1ca - <unknown>
[INFO] [stdout]   34:     0x707aff02c28b - __libc_start_main
[INFO] [stdout]   35:     0x58b09c1d4615 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - save_img (line 173)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 2 ignored; 0 measured; 0 filtered out; finished in 5.67s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6d4db23fa23db5cafa3d7e0775607edd569473b5730d6cc6169d750202e302af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4db23fa23db5cafa3d7e0775607edd569473b5730d6cc6169d750202e302af", kill_on_drop: false }`
[INFO] [stdout] 6d4db23fa23db5cafa3d7e0775607edd569473b5730d6cc6169d750202e302af
