[INFO] cloning repository https://github.com/jbouhadoun/ppm
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbouhadoun%2Fppm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc5c46186a7c28e4b2d8ca6624fd437095bc03fd
[INFO] checking jbouhadoun/ppm against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbouhadoun%2Fppm" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  88% (619/698)   
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Checking out files: 100% (698/698), done.
[INFO] validating manifest of git repo https://github.com/jbouhadoun/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/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-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jbouhadoun/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] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-13/source/src/main.rs
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 879b1f79c278a0e121310201426332a3e61464fdfce9da326cba68fee67cf54f
[INFO] running `"docker" "start" "-a" "879b1f79c278a0e121310201426332a3e61464fdfce9da326cba68fee67cf54f"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling ppm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `get_red`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn get_red (self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_green`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn get_green (self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_blue`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get_blue (self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `filename_to_string`
[INFO] [stderr]    --> src/main.rs:176:4
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn filename_to_string(s: &str) -> io::Result<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `words_by_line`
[INFO] [stderr]    --> src/main.rs:183:4
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn words_by_line<'a>(s: &'a str) -> Vec<Vec<&'a str>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_to_image`
[INFO] [stderr]    --> src/main.rs:190:4
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn file_to_image<'a>(path: &'a str) -> Image{
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `square`
[INFO] [stderr]    --> src/main.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn square(val: i32) -> i32;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `ppma_write_test`
[INFO] [stderr]    --> src/main.rs:215:6
[INFO] [stderr]     |
[INFO] [stderr] 215 |      fn ppma_write_test ( file_out_name: *const u8);
[INFO] [stderr]     |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `ppma_read_test`
[INFO] [stderr]    --> src/main.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `readPPM`
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `writePPM`
[INFO] [stderr]    --> src/main.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn writePPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/main.rs:243:4
[INFO] [stderr]     |
[INFO] [stderr] 243 | fn main() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `readPPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `writePPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn writePPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `square`
[INFO] [stderr]    --> src/main.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn square(val: i32) -> i32;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `ppma_read_test`
[INFO] [stderr]    --> src/main.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `readPPM`
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `readPPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `writePPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn writePPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pxl_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let pxl_INV = Pixel::new(245,245,245);
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `pxl_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pxl2_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let pxl2_INV = Pixel::new(100,100,100);
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `pxl2_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `data_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |         let data_INV = vec![pxl_INV,pxl2_INV,pxl_INV,pxl2_INV,pxl_INV,pxl2_INV];
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `data_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `image_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let image_INV= image.invert();
[INFO] [stderr]     |             ^^^^^^^^^ help: convert the identifier to snake case: `image_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |         image.save(&path);
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_red`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn get_red (self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_green`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn get_green (self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_blue`
[INFO] [stderr]   --> src/main.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn get_blue (self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `filename_to_string`
[INFO] [stderr]    --> src/main.rs:176:4
[INFO] [stderr]     |
[INFO] [stderr] 176 | fn filename_to_string(s: &str) -> io::Result<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `words_by_line`
[INFO] [stderr]    --> src/main.rs:183:4
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn words_by_line<'a>(s: &'a str) -> Vec<Vec<&'a str>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_to_image`
[INFO] [stderr]    --> src/main.rs:190:4
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn file_to_image<'a>(path: &'a str) -> Image{
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `square`
[INFO] [stderr]    --> src/main.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn square(val: i32) -> i32;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `ppma_read_test`
[INFO] [stderr]    --> src/main.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `readPPM`
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `readPPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `writePPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn writePPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `square`
[INFO] [stderr]    --> src/main.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     fn square(val: i32) -> i32;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `ppma_read_test`
[INFO] [stderr]    --> src/main.rs:216:5
[INFO] [stderr]     |
[INFO] [stderr] 216 |     fn ppma_read_test ( inputname: *const u8 );
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `readPPM`
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `readPPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:220:4
[INFO] [stderr]     |
[INFO] [stderr] 220 | fn readPPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^ help: convert the identifier to snake case: `read_ppm`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `writePPM` should have a snake case name
[INFO] [stderr]    --> src/main.rs:226:4
[INFO] [stderr]     |
[INFO] [stderr] 226 | fn writePPM (a:&str){
[INFO] [stderr]     |    ^^^^^^^^ help: convert the identifier to snake case: `write_ppm`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pxl_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:368:13
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let pxl_INV = Pixel::new(245,245,245);
[INFO] [stderr]     |             ^^^^^^^ help: convert the identifier to snake case: `pxl_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pxl2_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:369:13
[INFO] [stderr]     |
[INFO] [stderr] 369 |         let pxl2_INV = Pixel::new(100,100,100);
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `pxl2_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `data_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:370:13
[INFO] [stderr]     |
[INFO] [stderr] 370 |         let data_INV = vec![pxl_INV,pxl2_INV,pxl_INV,pxl2_INV,pxl_INV,pxl2_INV];
[INFO] [stderr]     |             ^^^^^^^^ help: convert the identifier to snake case: `data_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `image_INV` should have a snake case name
[INFO] [stderr]    --> src/main.rs:377:13
[INFO] [stderr]     |
[INFO] [stderr] 377 |         let image_INV= image.invert();
[INFO] [stderr]     |             ^^^^^^^^^ help: convert the identifier to snake case: `image_inv`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:435:9
[INFO] [stderr]     |
[INFO] [stderr] 435 |         image.save(&path);
[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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "879b1f79c278a0e121310201426332a3e61464fdfce9da326cba68fee67cf54f"`
[INFO] running `"docker" "rm" "-f" "879b1f79c278a0e121310201426332a3e61464fdfce9da326cba68fee67cf54f"`
[INFO] [stdout] 879b1f79c278a0e121310201426332a3e61464fdfce9da326cba68fee67cf54f