[INFO] crate image-toolbox 0.1.1 is already in cache [INFO] extracting crate image-toolbox 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/image-toolbox/0.1.1 [INFO] extracting crate image-toolbox 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/image-toolbox/0.1.1 [INFO] validating manifest of image-toolbox-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of image-toolbox-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing image-toolbox-0.1.1 [INFO] finished frobbing image-toolbox-0.1.1 [INFO] frobbed toml for image-toolbox-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/image-toolbox/0.1.1/Cargo.toml [INFO] started frobbing image-toolbox-0.1.1 [INFO] finished frobbing image-toolbox-0.1.1 [INFO] frobbed toml for image-toolbox-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/image-toolbox/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing image-toolbox-0.1.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/image-toolbox/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] a576c82329ddb6ed0a38d5b2d6ce687799cbb9c21515c24befc57191e2fbfd88 [INFO] running `"docker" "start" "-a" "a576c82329ddb6ed0a38d5b2d6ce687799cbb9c21515c24befc57191e2fbfd88"` [INFO] [stderr] Compiling math v0.0.2 [INFO] [stderr] Compiling image-toolbox v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `ImageBuffer`, `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`, `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] 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] | ^ unreachable pattern [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] | ^ unreachable pattern [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: consider prefixing with an underscore: `_new_pixel` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [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: consider prefixing with an underscore: `_R` [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: consider prefixing 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: consider prefixing 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: 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 `std::result::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: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-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] Finished dev [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `"docker" "inspect" "a576c82329ddb6ed0a38d5b2d6ce687799cbb9c21515c24befc57191e2fbfd88"` [INFO] running `"docker" "rm" "-f" "a576c82329ddb6ed0a38d5b2d6ce687799cbb9c21515c24befc57191e2fbfd88"` [INFO] [stdout] a576c82329ddb6ed0a38d5b2d6ce687799cbb9c21515c24befc57191e2fbfd88 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/image-toolbox/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 83b902eecf260176472a8a1e75bc123bf9e2a750063169183728d537d4d9e180 [INFO] running `"docker" "start" "-a" "83b902eecf260176472a8a1e75bc123bf9e2a750063169183728d537d4d9e180"` [INFO] [stderr] Compiling image-toolbox v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `ImageBuffer`, `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`, `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] 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] | ^ unreachable pattern [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] | ^ unreachable pattern [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: consider prefixing with an underscore: `_new_pixel` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [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: consider prefixing with an underscore: `_R` [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: consider prefixing 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: consider prefixing 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: `p2` [INFO] [stderr] --> src/lib.rs:218:21 [INFO] [stderr] | [INFO] [stderr] 218 | let p2 = img2.get_pixel(i, j); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_p2` [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 `std::result::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: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::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 a macro outside of the current crate (in Nightly builds, run with -Z external-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] Finished dev [unoptimized + debuginfo] target(s) in 2.99s [INFO] running `"docker" "inspect" "83b902eecf260176472a8a1e75bc123bf9e2a750063169183728d537d4d9e180"` [INFO] running `"docker" "rm" "-f" "83b902eecf260176472a8a1e75bc123bf9e2a750063169183728d537d4d9e180"` [INFO] [stdout] 83b902eecf260176472a8a1e75bc123bf9e2a750063169183728d537d4d9e180 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/image-toolbox/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 151c1e7ca13af38260565a0fd2242e569e30429c3e9dc8da75a5a816aed9d623 [INFO] running `"docker" "start" "-a" "151c1e7ca13af38260565a0fd2242e569e30429c3e9dc8da75a5a816aed9d623"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Running /opt/crater/target/debug/deps/image_toolbox-9af994594e2c39e7 [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 [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 - transform_from_histogram (line 135) ... ok [INFO] [stdout] test src/lib.rs - load_img (line 163) ... ok [INFO] [stdout] test src/lib.rs - (line 10) ... ok [INFO] [stdout] test src/lib.rs - save_img (line 173) ... FAILED [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] thread 'src/lib.rs - save_img (line 173)' panicked at 'test executable failed: [INFO] [stdout] [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a36d2ab2e3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55a36d2a6ecb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x55a36d2aa126 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55a36d2a9eb9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:211 [INFO] [stdout] 4: 0x55a36d2aa7cf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x55a36d2aa351 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x55a36d2aa235 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55a36d2bad1c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x55a36d29c4f7 - core::result::unwrap_failed::h161c80000d257158 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x55a36d214afe - core::result::Result::unwrap::h11f9a0081be62ccb [INFO] [stdout] 10: 0x55a36d214e9c - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 11: 0x55a36d214a52 - std::rt::lang_start::{{closure}}::h06d0fcfbcae13882 [INFO] [stdout] 12: 0x55a36d2aa1d2 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] at src/libstd/panicking.rs:293 [INFO] [stdout] 13: 0x55a36d2ac3c9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 14: 0x55a36d2aacdc - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stdout] at src/libstd/panicking.rs:272 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 15: 0x55a36d214a34 - std::rt::lang_start::hdef4740723826a9e [INFO] [stdout] 16: 0x55a36d214eea - main [INFO] [stdout] 17: 0x7f32b598d2e0 - __libc_start_main [INFO] [stdout] 18: 0x55a36d2148f9 - _start [INFO] [stdout] 19: 0x0 - [INFO] [stdout] [INFO] [stdout] ', src/librustdoc/test.rs:341:17 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x7f6dcfdae823 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x7f6dcfda64cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x7f6dcfdaaa56 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x7f6dcfdaa77e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x7f6dcfdab15f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x7f6dcfdaace1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x7f6dcfdaac2e - std::panicking::begin_panic_fmt::he54eae869ed71eb1 [INFO] [stdout] at src/libstd/panicking.rs:336 [INFO] [stdout] 7: 0x55b1e5af99c8 - rustdoc::test::run_test::h29a20600da33f74f [INFO] [stdout] at src/librustdoc/test.rs:341 [INFO] [stdout] 8: 0x55b1e5aed7c9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84ad3bdb52e265e9 [INFO] [stdout] at src/librustdoc/test.rs:715 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x7f6dd1331b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x7f6dd1331b7e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 11: 0x7f6dcfdbc169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 12: 0x7f6dd134cf87 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 13: 0x7f6dd13269a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 14: 0x7f6dd132aa54 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 15: 0x7f6dcfdbc169 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 16: 0x7f6dd132b551 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 17: 0x7f6dcfd8d36e - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 18: 0x7f6dcfdbaddf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 19: 0x7f6dcf9244a3 - start_thread [INFO] [stdout] 20: 0x7f6dcf44fd0e - __clone [INFO] [stdout] 21: 0x0 - [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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "151c1e7ca13af38260565a0fd2242e569e30429c3e9dc8da75a5a816aed9d623"` [INFO] running `"docker" "rm" "-f" "151c1e7ca13af38260565a0fd2242e569e30429c3e9dc8da75a5a816aed9d623"` [INFO] [stdout] 151c1e7ca13af38260565a0fd2242e569e30429c3e9dc8da75a5a816aed9d623