[INFO] cloning repository https://github.com/jbouhadoun/ppm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbouhadoun/ppm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbouhadoun%2Fppm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbouhadoun%2Fppm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc5c46186a7c28e4b2d8ca6624fd437095bc03fd
[INFO] checking jbouhadoun/ppm against master#3cdcdaf31b45f8045164aae9604573d23091970b for pr-122267
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbouhadoun%2Fppm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbouhadoun/ppm on toolchain 3cdcdaf31b45f8045164aae9604573d23091970b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbouhadoun/ppm
[INFO] finished tweaking git repo https://github.com/jbouhadoun/ppm
[INFO] tweaked toml for git repo https://github.com/jbouhadoun/ppm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jbouhadoun/ppm 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" "+3cdcdaf31b45f8045164aae9604573d23091970b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-1-tc1/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `src`
[INFO] [stderr]   * `bin` target `ppm`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking jbouhadoun/ppm against try#05804f728f276cf7ecedbf71c814df440d37f293 for pr-122267
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbouhadoun%2Fppm" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbouhadoun/ppm on toolchain 05804f728f276cf7ecedbf71c814df440d37f293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbouhadoun/ppm
[INFO] finished tweaking git repo https://github.com/jbouhadoun/ppm
[INFO] tweaked toml for git repo https://github.com/jbouhadoun/ppm written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jbouhadoun/ppm 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" "+05804f728f276cf7ecedbf71c814df440d37f293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: file `/workspace/builds/worker-1-tc2/source/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `src`
[INFO] [stderr]   * `bin` target `ppm`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 457b6e39b04655d551fedbdefdd147055d930c205dccdd757917af116ab04607
[INFO] running `Command { std: "docker" "start" "-a" "457b6e39b04655d551fedbdefdd147055d930c205dccdd757917af116ab04607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "457b6e39b04655d551fedbdefdd147055d930c205dccdd757917af116ab04607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457b6e39b04655d551fedbdefdd147055d930c205dccdd757917af116ab04607", kill_on_drop: false }`
[INFO] [stdout] 457b6e39b04655d551fedbdefdd147055d930c205dccdd757917af116ab04607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d5251486763ed3f3c0e346c2bb94ce212e8e551544d62875a35057bdd4a63d2
[INFO] running `Command { std: "docker" "start" "-a" "2d5251486763ed3f3c0e346c2bb94ce212e8e551544d62875a35057bdd4a63d2", kill_on_drop: false }`
[INFO] [stderr] warning: file `/opt/rustwide/workdir/src/main.rs` found to be present in multiple build targets:
[INFO] [stderr]   * `lib` target `src`
[INFO] [stderr]   * `bin` target `ppm`
[INFO] [stderr]    Compiling ppm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/05804f728f276cf7ecedbf71c814df440d37f293/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/05804f728f276cf7ecedbf71c814df440d37f293/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_red`, `get_green`, and `get_blue` are never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Pixel {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn get_red (self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn get_green (self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn get_blue (self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filename_to_string` is never used
[INFO] [stdout]    --> src/main.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn filename_to_string(s: &str) -> io::Result<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `words_by_line` is never used
[INFO] [stdout]    --> src/main.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn words_by_line<'a>(s: &'a str) -> Vec<Vec<&'a str>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_to_image` is never used
[INFO] [stdout]    --> src/main.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn file_to_image<'a>(path: &'a str) -> Image{
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writePPM` is never used
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn writePPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/main.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]    --> src/main.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn square(val: i32) -> i32;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ppma_write_test` is never used
[INFO] [stdout]    --> src/main.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |      fn ppma_write_test ( file_out_name: *const u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ppma_read_test` is never used
[INFO] [stdout]    --> src/main.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writePPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn writePPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]    --> src/main.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn square(val: i32) -> i32;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ppma_read_test` is never used
[INFO] [stdout]    --> src/main.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writePPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn writePPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pxl_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let pxl_INV = Pixel::new(245,245,245);
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `pxl_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pxl2_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let pxl2_INV = Pixel::new(100,100,100);
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `pxl2_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `data_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:370:13
[INFO] [stdout]     |
[INFO] [stdout] 370 |         let data_INV = vec![pxl_INV,pxl2_INV,pxl_INV,pxl2_INV,pxl_INV,pxl2_INV];
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `data_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `image_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let image_INV= image.invert();
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `image_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         image.save(&path);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let _ = image.save(&path);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/05804f728f276cf7ecedbf71c814df440d37f293/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/05804f728f276cf7ecedbf71c814df440d37f293/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_red`, `get_green`, and `get_blue` are never used
[INFO] [stdout]   --> src/main.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Pixel {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn get_red (self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn get_green (self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn get_blue (self) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filename_to_string` is never used
[INFO] [stdout]    --> src/main.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn filename_to_string(s: &str) -> io::Result<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `words_by_line` is never used
[INFO] [stdout]    --> src/main.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn words_by_line<'a>(s: &'a str) -> Vec<Vec<&'a str>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `file_to_image` is never used
[INFO] [stdout]    --> src/main.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn file_to_image<'a>(path: &'a str) -> Image{
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]    --> src/main.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn square(val: i32) -> i32;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ppma_read_test` is never used
[INFO] [stdout]    --> src/main.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writePPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn writePPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `square` is never used
[INFO] [stdout]    --> src/main.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn square(val: i32) -> i32;
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ppma_read_test` is never used
[INFO] [stdout]    --> src/main.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `readPPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn readPPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `writePPM` should have a snake case name
[INFO] [stdout]    --> src/main.rs:226:4
[INFO] [stdout]     |
[INFO] [stdout] 226 | fn writePPM (a:&str){
[INFO] [stdout]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pxl_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:368:13
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let pxl_INV = Pixel::new(245,245,245);
[INFO] [stdout]     |             ^^^^^^^ help: convert the identifier to snake case: `pxl_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `pxl2_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:369:13
[INFO] [stdout]     |
[INFO] [stdout] 369 |         let pxl2_INV = Pixel::new(100,100,100);
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `pxl2_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `data_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:370:13
[INFO] [stdout]     |
[INFO] [stdout] 370 |         let data_INV = vec![pxl_INV,pxl2_INV,pxl_INV,pxl2_INV,pxl_INV,pxl2_INV];
[INFO] [stdout]     |             ^^^^^^^^ help: convert the identifier to snake case: `data_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `image_INV` should have a snake case name
[INFO] [stdout]    --> src/main.rs:377:13
[INFO] [stdout]     |
[INFO] [stdout] 377 |         let image_INV= image.invert();
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `image_inv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:435:9
[INFO] [stdout]     |
[INFO] [stdout] 435 |         image.save(&path);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 435 |         let _ = image.save(&path);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "2d5251486763ed3f3c0e346c2bb94ce212e8e551544d62875a35057bdd4a63d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5251486763ed3f3c0e346c2bb94ce212e8e551544d62875a35057bdd4a63d2", kill_on_drop: false }`
[INFO] [stdout] 2d5251486763ed3f3c0e346c2bb94ce212e8e551544d62875a35057bdd4a63d2