[INFO] cloning repository https://github.com/MatthewFrench/Image-Difference-Cutter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthewFrench/Image-Difference-Cutter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewFrench%2FImage-Difference-Cutter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewFrench%2FImage-Difference-Cutter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18c974e50ca1f728a60a393723096dc4517517c0 [INFO] checking MatthewFrench/Image-Difference-Cutter against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewFrench%2FImage-Difference-Cutter" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MatthewFrench/Image-Difference-Cutter on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MatthewFrench/Image-Difference-Cutter [INFO] finished tweaking git repo https://github.com/MatthewFrench/Image-Difference-Cutter [INFO] tweaked toml for git repo https://github.com/MatthewFrench/Image-Difference-Cutter written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/MatthewFrench/Image-Difference-Cutter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 381786596afaae37fcef879292596a9ec918174bb8983c5b7679f3112843c131 [INFO] running `Command { std: "docker" "start" "-a" "381786596afaae37fcef879292596a9ec918174bb8983c5b7679f3112843c131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "381786596afaae37fcef879292596a9ec918174bb8983c5b7679f3112843c131", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "381786596afaae37fcef879292596a9ec918174bb8983c5b7679f3112843c131", kill_on_drop: false }` [INFO] [stdout] 381786596afaae37fcef879292596a9ec918174bb8983c5b7679f3112843c131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0c6d81f4dcef4d5d5baea936cdc2b1637af737e70d4e142bf055abd52527b9f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a0c6d81f4dcef4d5d5baea936cdc2b1637af737e70d4e142bf055abd52527b9f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking png v0.15.2 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.3 [INFO] [stderr] Checking Image-Difference-Cutter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let r1 = image1_pixel[0] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g1` [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let g1 = image1_pixel[1] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_g1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let b1 = image1_pixel[2] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/main.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | let a1 = image1_pixel[3] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let r2 = image2_pixel[0] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g2` [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let g2 = image2_pixel[1] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_g2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/main.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let b2 = image2_pixel[2] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/main.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let a2 = image2_pixel[3] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Image_Difference_Cutter` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `image_difference_cutter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/main.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | let r1 = image1_pixel[0] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g1` [INFO] [stdout] --> src/main.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let g1 = image1_pixel[1] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_g1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b1` [INFO] [stdout] --> src/main.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let b1 = image1_pixel[2] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/main.rs:36:17 [INFO] [stdout] | [INFO] [stdout] 36 | let a1 = image1_pixel[3] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/main.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let r2 = image2_pixel[0] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `g2` [INFO] [stdout] --> src/main.rs:38:17 [INFO] [stdout] | [INFO] [stdout] 38 | let g2 = image2_pixel[1] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_g2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b2` [INFO] [stdout] --> src/main.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let b2 = image2_pixel[2] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/main.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let a2 = image2_pixel[3] as i32; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `Image_Difference_Cutter` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `image_difference_cutter` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.48s [INFO] running `Command { std: "docker" "inspect" "a0c6d81f4dcef4d5d5baea936cdc2b1637af737e70d4e142bf055abd52527b9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0c6d81f4dcef4d5d5baea936cdc2b1637af737e70d4e142bf055abd52527b9f", kill_on_drop: false }` [INFO] [stdout] a0c6d81f4dcef4d5d5baea936cdc2b1637af737e70d4e142bf055abd52527b9f