[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] testing MatthewFrench/Image-Difference-Cutter against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewFrench%2FImage-Difference-Cutter" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MatthewFrench/Image-Difference-Cutter on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-8/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d977d47a400d2e2424c0e0627573eb6480587a328ef1a72b89d6f12c6365b64f [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" "d977d47a400d2e2424c0e0627573eb6480587a328ef1a72b89d6f12c6365b64f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d977d47a400d2e2424c0e0627573eb6480587a328ef1a72b89d6f12c6365b64f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d977d47a400d2e2424c0e0627573eb6480587a328ef1a72b89d6f12c6365b64f", kill_on_drop: false }` [INFO] [stdout] d977d47a400d2e2424c0e0627573eb6480587a328ef1a72b89d6f12c6365b64f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 6967aa451ed4bee94b75dc716291b06e7f3c2f4af5e3f60518bfcbb9822fe1a7 [INFO] running `Command { std: "docker" "start" "-a" "6967aa451ed4bee94b75dc716291b06e7f3c2f4af5e3f60518bfcbb9822fe1a7", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling adler32 v1.0.4 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling png v0.15.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling tiff v0.3.1 [INFO] [stderr] Compiling image v0.22.3 [INFO] [stderr] Compiling 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 56.55s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6967aa451ed4bee94b75dc716291b06e7f3c2f4af5e3f60518bfcbb9822fe1a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6967aa451ed4bee94b75dc716291b06e7f3c2f4af5e3f60518bfcbb9822fe1a7", kill_on_drop: false }` [INFO] [stdout] 6967aa451ed4bee94b75dc716291b06e7f3c2f4af5e3f60518bfcbb9822fe1a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] 21866358bae4e0702822f5af6de79450662db1d2f4346075ed03550c0146b4ee [INFO] running `Command { std: "docker" "start" "-a" "21866358bae4e0702822f5af6de79450662db1d2f4346075ed03550c0146b4ee", kill_on_drop: false }` [INFO] [stderr] Compiling 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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "21866358bae4e0702822f5af6de79450662db1d2f4346075ed03550c0146b4ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21866358bae4e0702822f5af6de79450662db1d2f4346075ed03550c0146b4ee", kill_on_drop: false }` [INFO] [stdout] 21866358bae4e0702822f5af6de79450662db1d2f4346075ed03550c0146b4ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 14882e5cad5888e8094458b5e9f48ea833ddb4c6768d7ef7cddf818540ba8f41 [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" "14882e5cad5888e8094458b5e9f48ea833ddb4c6768d7ef7cddf818540ba8f41", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `r1` [INFO] [stderr] --> src/main.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | let r1 = image1_pixel[0] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g1` [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | let g1 = image1_pixel[1] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_g1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b1` [INFO] [stderr] --> src/main.rs:35:17 [INFO] [stderr] | [INFO] [stderr] 35 | let b1 = image1_pixel[2] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_b1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a1` [INFO] [stderr] --> src/main.rs:36:17 [INFO] [stderr] | [INFO] [stderr] 36 | let a1 = image1_pixel[3] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `r2` [INFO] [stderr] --> src/main.rs:37:17 [INFO] [stderr] | [INFO] [stderr] 37 | let r2 = image2_pixel[0] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `g2` [INFO] [stderr] --> src/main.rs:38:17 [INFO] [stderr] | [INFO] [stderr] 38 | let g2 = image2_pixel[1] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_g2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b2` [INFO] [stderr] --> src/main.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let b2 = image2_pixel[2] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_b2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a2` [INFO] [stderr] --> src/main.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let a2 = image2_pixel[3] as i32; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stderr] [INFO] [stderr] warning: crate `Image_Difference_Cutter` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `image_difference_cutter` [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.15s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/Image_Difference_Cutter-86e70bc692a45d5f [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "14882e5cad5888e8094458b5e9f48ea833ddb4c6768d7ef7cddf818540ba8f41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14882e5cad5888e8094458b5e9f48ea833ddb4c6768d7ef7cddf818540ba8f41", kill_on_drop: false }` [INFO] [stdout] 14882e5cad5888e8094458b5e9f48ea833ddb4c6768d7ef7cddf818540ba8f41