[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] checking Isan-Rivkin/image-toolbox-rs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fimage-toolbox-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Isan-Rivkin/image-toolbox-rs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/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: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jpeg-decoder v0.1.20 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded either v1.6.1 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded memoffset v0.5.6 [INFO] [stderr] Downloaded rayon-core v1.8.1 [INFO] [stderr] Downloaded gif v0.10.3 [INFO] [stderr] Downloaded adler32 v1.2.0 [INFO] [stderr] Downloaded image v0.21.3 [INFO] [stderr] Downloaded crossbeam-channel v0.4.4 [INFO] [stderr] Downloaded num-iter v0.1.41 [INFO] [stderr] Downloaded rayon v1.4.1 [INFO] [stderr] Downloaded num-rational v0.2.4 [INFO] [stderr] Downloaded scopeguard v1.1.0 [INFO] [stderr] Downloaded num-integer v0.1.43 [INFO] [stderr] Downloaded num-traits v0.2.12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 113fde9030089975891bf894efe2c59216ef4ed5323d0abcee7057a07080eaa3 [INFO] running `Command { std: "docker" "start" "-a" "113fde9030089975891bf894efe2c59216ef4ed5323d0abcee7057a07080eaa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "113fde9030089975891bf894efe2c59216ef4ed5323d0abcee7057a07080eaa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "113fde9030089975891bf894efe2c59216ef4ed5323d0abcee7057a07080eaa3", kill_on_drop: false }` [INFO] [stdout] 113fde9030089975891bf894efe2c59216ef4ed5323d0abcee7057a07080eaa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 962b9903412902af98029456aac6f04697a604deccd5700001f75f83263b8f4f [INFO] running `Command { std: "docker" "start" "-a" "962b9903412902af98029456aac6f04697a604deccd5700001f75f83263b8f4f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rayon-core v1.8.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking math v0.0.2 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling rayon v1.4.1 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking jpeg-decoder v0.1.20 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Checking image-toolbox v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ImageBuffer`, `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`, `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: unused imports: `ImageBuffer`, `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`, `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] | ^ unreachable pattern [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] | ^ unreachable pattern [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] = note: `#[warn(unused_variables)]` on by default [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] [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:103:13 [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: 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[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] | ^ unreachable pattern [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] | ^ unreachable pattern [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] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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] [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 `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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: unused `std::result::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 a macro (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] 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: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [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 `std::result::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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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 a macro (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] warning: 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0170`. [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.97s [INFO] running `Command { std: "docker" "inspect" "962b9903412902af98029456aac6f04697a604deccd5700001f75f83263b8f4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "962b9903412902af98029456aac6f04697a604deccd5700001f75f83263b8f4f", kill_on_drop: false }` [INFO] [stdout] 962b9903412902af98029456aac6f04697a604deccd5700001f75f83263b8f4f