[INFO] fetching crate image-toolbox 0.1.1...
[INFO] testing image-toolbox-0.1.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate image-toolbox 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate image-toolbox 0.1.1
[INFO] finished tweaking crates.io crate image-toolbox 0.1.1
[INFO] tweaked toml for crates.io crate image-toolbox 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate image-toolbox 0.1.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding image v0.21.3 (available: v0.25.10)
[INFO] [stderr]       Adding math v0.0.2 (available: v0.11.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded math v0.0.2
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded lzw v0.10.0
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded image v0.21.3
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded tiff v0.2.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c41295be94bcd65cab3012c33ea3a2f0872eac0dabb300b93257b222a3ccf71
[INFO] running `Command { std: "docker" "start" "-a" "5c41295be94bcd65cab3012c33ea3a2f0872eac0dabb300b93257b222a3ccf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c41295be94bcd65cab3012c33ea3a2f0872eac0dabb300b93257b222a3ccf71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c41295be94bcd65cab3012c33ea3a2f0872eac0dabb300b93257b222a3ccf71", kill_on_drop: false }`
[INFO] [stdout] 5c41295be94bcd65cab3012c33ea3a2f0872eac0dabb300b93257b222a3ccf71
[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=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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e21d313b8f6610cced6ecdd6f46104dd2359270eccb66c5bd5fae98da47110c
[INFO] running `Command { std: "docker" "start" "-a" "7e21d313b8f6610cced6ecdd6f46104dd2359270eccb66c5bd5fae98da47110c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling math v0.0.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.3
[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] error[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: `#[deny(bindings_with_variant_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[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] error[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] error: could not compile `image-toolbox` (lib) due to 3 previous errors; 25 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e21d313b8f6610cced6ecdd6f46104dd2359270eccb66c5bd5fae98da47110c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e21d313b8f6610cced6ecdd6f46104dd2359270eccb66c5bd5fae98da47110c", kill_on_drop: false }`
[INFO] [stdout] 7e21d313b8f6610cced6ecdd6f46104dd2359270eccb66c5bd5fae98da47110c
