[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 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fimage-toolbox-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Isan-Rivkin/image-toolbox-rs on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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
[INFO] tweaked toml for git repo https://github.com/Isan-Rivkin/image-toolbox-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Isan-Rivkin/image-toolbox-rs 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded math v0.0.2
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[INFO] [stdout] c247647ee0d878502d7fac599b430370a14ceae09c02b9d9b9117eca8f9966c4
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[INFO] running `Command { std: "docker" "rm" "-f" "c247647ee0d878502d7fac599b430370a14ceae09c02b9d9b9117eca8f9966c4", kill_on_drop: false }`
[INFO] [stdout] c247647ee0d878502d7fac599b430370a14ceae09c02b9d9b9117eca8f9966c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c112805e01b1a58fcf214f6a1e9a4f1296381cf155e043f6364dd61e7d4977b7
[INFO] running `Command { std: "docker" "start" "-a" "c112805e01b1a58fcf214f6a1e9a4f1296381cf155e043f6364dd61e7d4977b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.37
[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 num-rational v0.2.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling safe-transmute v0.10.1
[INFO] [stderr]    Compiling math v0.0.2
[INFO] [stderr]    Compiling gif v0.10.1
[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 deflate v0.7.19
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[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)]` 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)]` 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]    |             ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_G`
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:103:17
[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: 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 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)]` on by default
[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)]` 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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 13.27s
[INFO] running `Command { std: "docker" "inspect" "c112805e01b1a58fcf214f6a1e9a4f1296381cf155e043f6364dd61e7d4977b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c112805e01b1a58fcf214f6a1e9a4f1296381cf155e043f6364dd61e7d4977b7", kill_on_drop: false }`
[INFO] [stdout] c112805e01b1a58fcf214f6a1e9a4f1296381cf155e043f6364dd61e7d4977b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d335839f0375aa3aacb194e6e0f636bf356b4667e619c953c38c2edb3613dcb
[INFO] running `Command { std: "docker" "start" "-a" "4d335839f0375aa3aacb194e6e0f636bf356b4667e619c953c38c2edb3613dcb", 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)]` 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)]` 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]    |             ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_G`
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:103:17
[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: 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 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)]` on by default
[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)]` 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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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)]` 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)]` 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]    |             ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_G`
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_B`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:103:17
[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: 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 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)]` on by default
[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)]` 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)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 1.11s
[INFO] running `Command { std: "docker" "inspect" "4d335839f0375aa3aacb194e6e0f636bf356b4667e619c953c38c2edb3613dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d335839f0375aa3aacb194e6e0f636bf356b4667e619c953c38c2edb3613dcb", kill_on_drop: false }`
[INFO] [stdout] 4d335839f0375aa3aacb194e6e0f636bf356b4667e619c953c38c2edb3613dcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a7adcce3a222934da36600c2b2141ac588394f0f5a373053841756d991ac025
[INFO] running `Command { std: "docker" "start" "-a" "4a7adcce3a222934da36600c2b2141ac588394f0f5a373053841756d991ac025", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ImageBuffer` and `RGB`
[INFO] [stderr]   --> src/lib.rs:33:27
[INFO] [stderr]    |
[INFO] [stderr] 33 | use image::{GenericImage, ImageBuffer,RGB,GenericImageView, DynamicImage};
[INFO] [stderr]    |                           ^^^^^^^^^^^ ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` 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)]` 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]    |             ^ help: if this is intentional, prefix it with an underscore: `_R`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_G`
[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]    |             ^ help: if this is intentional, prefix it with an underscore: `_B`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `sum_distros` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:103:17
[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: 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 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)]` on by default
[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)]` 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)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 27 warnings (run `cargo fix --lib -p image-toolbox` to apply 7 suggestions)
[INFO] [stderr] warning: `image-toolbox` (lib test) generated 28 warnings (27 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/image_toolbox-1be862c7a20d6b51)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::perform_histogram_equalization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.65s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests image_toolbox
[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 - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - load_img (line 163) ... ok
[INFO] [stdout] test src/lib.rs - save_img (line 173) ... FAILED
[INFO] [stdout] test src/lib.rs - transform_from_histogram (line 135) ... 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] thread 'main' 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:     0x62049beaa8da - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x62049beaa8da - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x62049beaa8da - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x62049beaa8da - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x62049bec6283 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x62049bec6283 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x62049bea85c3 - std::io::Write::write_fmt::h7b09c64fe0be9c84
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x62049beaa722 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x62049beab6cc - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x62049beab512 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x62049beabca7 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x62049beabb3a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x62049beaadb9 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x62049beab7cc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x62049be3b0e0 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   15:     0x62049be3b4f6 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   16:     0x62049be3bcb0 - rust_out::main::_doctest_main_src_lib_rs_173_0::h918a6e6a17b44507
[INFO] [stdout]   17:     0x62049be3bbe6 - rust_out::main::h86d391cc11b8a827
[INFO] [stdout]   18:     0x62049be3bb83 - core::ops::function::FnOnce::call_once::hd1e0b33d350e8c2e
[INFO] [stdout]   19:     0x62049be3bb66 - std::sys::backtrace::__rust_begin_short_backtrace::hb7c4fd168269da08
[INFO] [stdout]   20:     0x62049be3bb49 - std::rt::lang_start::{{closure}}::h7630186e3858a44d
[INFO] [stdout]   21:     0x62049bea67fe - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfdb85f4ee94732d3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   22:     0x62049bea67fe - std::panicking::try::do_call::h6e577310f330cbef
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   23:     0x62049bea67fe - std::panicking::try::ha588d438267d2645
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   24:     0x62049bea67fe - std::panic::catch_unwind::h429fda1e025f26d9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   25:     0x62049bea67fe - std::rt::lang_start_internal::{{closure}}::h7b731265e841c4bf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/rt.rs:174:48
[INFO] [stdout]   26:     0x62049bea67fe - std::panicking::try::do_call::hc0f6a675b7ae5a36
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x62049bea67fe - std::panicking::try::h4c93b7ff0671f1ff
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x62049bea67fe - std::panic::catch_unwind::hcc1e154961d16ce6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x62049bea67fe - std::rt::lang_start_internal::h1c66660c99c8424c
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/rt.rs:174:20
[INFO] [stdout]   30:     0x62049be3bb27 - std::rt::lang_start::hcdb31f4834f76b8c
[INFO] [stdout]   31:     0x62049be3bd35 - main
[INFO] [stdout]   32:     0x77dca6c1cd90 - <unknown>
[INFO] [stdout]   33:     0x77dca6c1ce40 - __libc_start_main
[INFO] [stdout]   34:     0x62049be3ba35 - _start
[INFO] [stdout]   35:                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 6.50s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "4a7adcce3a222934da36600c2b2141ac588394f0f5a373053841756d991ac025", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7adcce3a222934da36600c2b2141ac588394f0f5a373053841756d991ac025", kill_on_drop: false }`
[INFO] [stdout] 4a7adcce3a222934da36600c2b2141ac588394f0f5a373053841756d991ac025
