[INFO] cloning repository https://github.com/rabahFr/ppm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rabahFr/ppm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrabahFr%2Fppm"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrabahFr%2Fppm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34cb59385e7fb22dea06347a1b75d4de44df9978
[INFO] checking rabahFr/ppm against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrabahFr%2Fppm" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rabahFr/ppm 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/rabahFr/ppm
[INFO] finished tweaking git repo https://github.com/rabahFr/ppm
[INFO] tweaked toml for git repo https://github.com/rabahFr/ppm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/rabahFr/ppm 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d4362db97e72cc2fee8febe033cf3dd3f6a7f16f2bd703526a2331f7f415e7d8
[INFO] running `"docker" "start" "-a" "d4362db97e72cc2fee8febe033cf3dd3f6a7f16f2bd703526a2331f7f415e7d8"`
[INFO] [stderr]     Checking ppm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/structs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if(args.len() >= 2) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/structs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/main.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{self, Read};
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 |     if(args.len() >= 2) {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `h` is never read
[INFO] [stderr]    --> src/structs.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let mut h : usize = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `w` is never read
[INFO] [stderr]    --> src/structs.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut w : usize = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `h` is never read
[INFO] [stderr]    --> src/structs.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |     let mut h : usize = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `w` is never read
[INFO] [stderr]    --> src/structs.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     let mut w : usize = 0;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/structs.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut file = match File::open(&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/structs.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     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: `new`
[INFO] [stderr]   --> src/structs.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn new(h : usize, w : usize)-> Image {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save`
[INFO] [stderr]   --> src/structs.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn save(img: Image, filename: &Path) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert`
[INFO] [stderr]    --> src/structs.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn invert(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_file`
[INFO] [stderr]    --> src/structs.rs:229:8
[INFO] [stderr]     |
[INFO] [stderr] 229 | pub fn save_file(img: Image, filename: &Path) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/structs.rs:176:28
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         if u8::from_str(vec[0]).unwrap()>255 {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/structs.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let mut file = match File::open(&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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     file.write_all(format.as_bytes());
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     file.write_all(dimension.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 |     file.write_all(max_pix_color_value.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             file.write_all(img.get_pixel(i as usize, j as usize).display().as_bytes());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         file.write_all(b"\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/structs.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn new(h : usize, w : usize)-> Image {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `save`
[INFO] [stderr]   --> src/structs.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn save(img: Image, filename: &Path) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invert`
[INFO] [stderr]    --> src/structs.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn invert(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_file`
[INFO] [stderr]    --> src/structs.rs:229:8
[INFO] [stderr]     |
[INFO] [stderr] 229 | pub fn save_file(img: Image, filename: &Path) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/structs.rs:176:28
[INFO] [stderr]     |
[INFO] [stderr] 176 |                         if u8::from_str(vec[0]).unwrap()>255 {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     file.write_all(format.as_bytes());
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:239:5
[INFO] [stderr]     |
[INFO] [stderr] 239 |     file.write_all(dimension.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 |     file.write_all(max_pix_color_value.as_bytes());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:244:13
[INFO] [stderr]     |
[INFO] [stderr] 244 |             file.write_all(img.get_pixel(i as usize, j as usize).display().as_bytes());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/structs.rs:246:9
[INFO] [stderr]     |
[INFO] [stderr] 246 |         file.write_all(b"\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_create_Pixel` should have a snake case name
[INFO] [stderr]    --> src/structs.rs:269:8
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn test_create_Pixel() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_create_pixel`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_invert_Pixel` should have a snake case name
[INFO] [stderr]    --> src/structs.rs:277:8
[INFO] [stderr]     |
[INFO] [stderr] 277 |     fn test_invert_Pixel() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_invert_pixel`
[INFO] [stderr] 
[INFO] [stderr] warning: 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "d4362db97e72cc2fee8febe033cf3dd3f6a7f16f2bd703526a2331f7f415e7d8"`
[INFO] running `"docker" "rm" "-f" "d4362db97e72cc2fee8febe033cf3dd3f6a7f16f2bd703526a2331f7f415e7d8"`
[INFO] [stdout] d4362db97e72cc2fee8febe033cf3dd3f6a7f16f2bd703526a2331f7f415e7d8