[INFO] cloning repository https://github.com/rabahFr/ppm [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrabahFr%2Fppm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c30612dbd53910e07fb3385a800a6522057a0930 [INFO] checking rabahFr/ppm against try#d7b15db413fd2070daa09a2c5b7f2ab38417429f for pr-144544 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrabahFr%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] 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-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rabahFr/ppm on toolchain d7b15db413fd2070daa09a2c5b7f2ab38417429f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rabahFr/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" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86383bcead3424abbecbf4497e03a61e562b0cdd1f9c965fd0524b65e597bbb8 [INFO] running `Command { std: "docker" "start" "-a" "86383bcead3424abbecbf4497e03a61e562b0cdd1f9c965fd0524b65e597bbb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86383bcead3424abbecbf4497e03a61e562b0cdd1f9c965fd0524b65e597bbb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86383bcead3424abbecbf4497e03a61e562b0cdd1f9c965fd0524b65e597bbb8", kill_on_drop: false }` [INFO] [stdout] 86383bcead3424abbecbf4497e03a61e562b0cdd1f9c965fd0524b65e597bbb8 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+d7b15db413fd2070daa09a2c5b7f2ab38417429f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2fa6b7858ef5eebe9092f953f38c1c71a9aad29ae27dfc25c5c19091068c1fe [INFO] running `Command { std: "docker" "start" "-a" "b2fa6b7858ef5eebe9092f953f38c1c71a9aad29ae27dfc25c5c19091068c1fe", kill_on_drop: false }` [INFO] [stderr] Checking ppm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/structs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | if(args.len() >= 2) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - if(args.len() >= 2) { [INFO] [stdout] 13 + if args.len() >= 2 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/structs.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:13:7 [INFO] [stdout] | [INFO] [stdout] 13 | if(args.len() >= 2) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 13 - if(args.len() >= 2) { [INFO] [stdout] 13 + if args.len() >= 2 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `h` is never read [INFO] [stdout] --> src/structs.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | let mut h : usize = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `w` is never read [INFO] [stdout] --> src/structs.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let mut w : usize = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = match File::open(&filename) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `invert` is never used [INFO] [stdout] --> src/structs.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Pixel { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 39 | pub fn invert(&mut self) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `save`, and `invert` are never used [INFO] [stdout] --> src/structs.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl Image { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn new(h : usize, w : usize)-> Image { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn save(img: Image, filename: &Path) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | pub fn invert(&mut self){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_file` is never used [INFO] [stdout] --> src/structs.rs:229:8 [INFO] [stdout] | [INFO] [stdout] 229 | pub fn save_file(img: Image, filename: &Path) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/structs.rs:176:28 [INFO] [stdout] | [INFO] [stdout] 176 | if u8::from_str(vec[0]).unwrap()>255 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `h` is never read [INFO] [stdout] --> src/structs.rs:163:13 [INFO] [stdout] | [INFO] [stdout] 163 | let mut h : usize = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `w` is never read [INFO] [stdout] --> src/structs.rs:164:13 [INFO] [stdout] | [INFO] [stdout] 164 | let mut w : usize = 0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structs.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | let mut file = match File::open(&filename) { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:238:5 [INFO] [stdout] | [INFO] [stdout] 238 | file.write_all(format.as_bytes()); [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] 238 | let _ = file.write_all(format.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:239:5 [INFO] [stdout] | [INFO] [stdout] 239 | file.write_all(dimension.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 239 | let _ = file.write_all(dimension.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:240:5 [INFO] [stdout] | [INFO] [stdout] 240 | file.write_all(max_pix_color_value.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 240 | let _ = file.write_all(max_pix_color_value.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:244:13 [INFO] [stdout] | [INFO] [stdout] 244 | file.write_all(img.get_pixel(i as usize, j as usize).display().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 244 | let _ = file.write_all(img.get_pixel(i as usize, j as usize).display().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | file.write_all(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 246 | let _ = file.write_all(b"\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `save`, and `invert` are never used [INFO] [stdout] --> src/structs.rs:67:12 [INFO] [stdout] | [INFO] [stdout] 62 | impl Image { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 67 | pub fn new(h : usize, w : usize)-> Image { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn save(img: Image, filename: &Path) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | pub fn invert(&mut self){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `save_file` is never used [INFO] [stdout] --> src/structs.rs:229:8 [INFO] [stdout] | [INFO] [stdout] 229 | pub fn save_file(img: Image, filename: &Path) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/structs.rs:176:28 [INFO] [stdout] | [INFO] [stdout] 176 | if u8::from_str(vec[0]).unwrap()>255 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:238:5 [INFO] [stdout] | [INFO] [stdout] 238 | file.write_all(format.as_bytes()); [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] 238 | let _ = file.write_all(format.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:239:5 [INFO] [stdout] | [INFO] [stdout] 239 | file.write_all(dimension.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 239 | let _ = file.write_all(dimension.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:240:5 [INFO] [stdout] | [INFO] [stdout] 240 | file.write_all(max_pix_color_value.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 240 | let _ = file.write_all(max_pix_color_value.as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:244:13 [INFO] [stdout] | [INFO] [stdout] 244 | file.write_all(img.get_pixel(i as usize, j as usize).display().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 244 | let _ = file.write_all(img.get_pixel(i as usize, j as usize).display().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structs.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | file.write_all(b"\n"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 246 | let _ = file.write_all(b"\n"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_create_Pixel` should have a snake case name [INFO] [stdout] --> src/structs.rs:269:8 [INFO] [stdout] | [INFO] [stdout] 269 | fn test_create_Pixel() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_create_pixel` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_invert_Pixel` should have a snake case name [INFO] [stdout] --> src/structs.rs:277:8 [INFO] [stdout] | [INFO] [stdout] 277 | fn test_invert_Pixel() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_invert_pixel` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "b2fa6b7858ef5eebe9092f953f38c1c71a9aad29ae27dfc25c5c19091068c1fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2fa6b7858ef5eebe9092f953f38c1c71a9aad29ae27dfc25c5c19091068c1fe", kill_on_drop: false }` [INFO] [stdout] b2fa6b7858ef5eebe9092f953f38c1c71a9aad29ae27dfc25c5c19091068c1fe