[INFO] updating cached repository https://github.com/Dreamsplutox/rust_project
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1d428f76f704adb088676b2bf70290d58031c55d
[INFO] checking Dreamsplutox/rust_project against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDreamsplutox%2Frust_project" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  86% (243/282)   
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[INFO] validating manifest of git repo https://github.com/Dreamsplutox/rust_project on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dreamsplutox/rust_project
[INFO] finished tweaking git repo https://github.com/Dreamsplutox/rust_project
[INFO] tweaked toml for git repo https://github.com/Dreamsplutox/rust_project written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Dreamsplutox/rust_project already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 641dac2674d1244ae2f15d821f2c671f9aee189b0103ce0cc0265ea5adc7ea19
[INFO] running `"docker" "start" "-a" "641dac2674d1244ae2f15d821f2c671f9aee189b0103ce0cc0265ea5adc7ea19"`
[INFO] [stderr]     Checking project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `lib_image`
[INFO] [stderr]  --> src/lib_image.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate lib_image;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     /// création et sauvegarde d'une image
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 59 |     let filename = "C:\\Users\\arnau\\Desktop\\quatrième_année\\programmation rust\\Projet\\projet_rust\\rust_project\\src\\picture_P3.ppm";
[INFO] [stderr]    |     ---------------------------------------------------------------------------------------------------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `project`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]   --> src/lib_image.rs:55:15
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 Err(why) => panic!("couldn't create file"),
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]   --> src/lib_image.rs:60:15
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 Err(why) => panic!("couldn't write header to file"),
[INFO] [stderr]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]   --> src/lib_image.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |                     Err(why) => panic!("couldn't write pixel to file"),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]   --> src/lib_image.rs:70:16
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     Err(why) => panic!("couldn't write 'space' to file"),
[INFO] [stderr]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `why`
[INFO] [stderr]   --> src/lib_image.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |                         Err(why) => panic!("couldn't write '\\n' to file"),
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_why`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut saved_image:Image = new_with_file(filename);
[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: method is never used: `invert`
[INFO] [stderr]   --> src/lib_image.rs:88:3
[INFO] [stderr]    |
[INFO] [stderr] 88 |         pub fn invert(&mut self){
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `grayscale`
[INFO] [stderr]   --> src/lib_image.rs:95:3
[INFO] [stderr]    |
[INFO] [stderr] 95 |         pub fn grayscale(&mut self){
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `width`
[INFO] [stderr]    --> src/lib_image.rs:102:6
[INFO] [stderr]     |
[INFO] [stderr] 102 |         pub fn width(&self)->usize{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]    --> src/lib_image.rs:105:6
[INFO] [stderr]     |
[INFO] [stderr] 105 |         pub fn height(&self)->usize{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]    --> src/lib_image.rs:108:6
[INFO] [stderr]     |
[INFO] [stderr] 108 |         pub fn max(&self)->u8{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pixels`
[INFO] [stderr]    --> src/lib_image.rs:111:6
[INFO] [stderr]     |
[INFO] [stderr] 111 |         pub fn pixels(&self)->& Vec<Pixel>{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `eq`
[INFO] [stderr]    --> src/lib_image.rs:116:6
[INFO] [stderr]     |
[INFO] [stderr] 116 |         pub fn eq(self, other: Image) -> bool{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert`
[INFO] [stderr]   --> src/lib_pixel.rs:43:6
[INFO] [stderr]    |
[INFO] [stderr] 43 |         pub fn invert(&mut self){
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `grayscale`
[INFO] [stderr]   --> src/lib_pixel.rs:50:6
[INFO] [stderr]    |
[INFO] [stderr] 50 |         pub fn grayscale(&mut self){
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "641dac2674d1244ae2f15d821f2c671f9aee189b0103ce0cc0265ea5adc7ea19"`
[INFO] running `"docker" "rm" "-f" "641dac2674d1244ae2f15d821f2c671f9aee189b0103ce0cc0265ea5adc7ea19"`
[INFO] [stdout] 641dac2674d1244ae2f15d821f2c671f9aee189b0103ce0cc0265ea5adc7ea19