[INFO] cloning repository https://github.com/babalolajnr/Image-Shifter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/babalolajnr/Image-Shifter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabalolajnr%2FImage-Shifter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabalolajnr%2FImage-Shifter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f60e9b96480df293f83dc968678a59cd6c089898 [INFO] testing babalolajnr/Image-Shifter against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabalolajnr%2FImage-Shifter" "/workspace/builds/worker-86/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/babalolajnr/Image-Shifter on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/babalolajnr/Image-Shifter [INFO] finished tweaking git repo https://github.com/babalolajnr/Image-Shifter [INFO] tweaked toml for git repo https://github.com/babalolajnr/Image-Shifter written to /workspace/builds/worker-86/source/Cargo.toml [INFO] crate git repo https://github.com/babalolajnr/Image-Shifter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94d29455911bde616c9f3671a37a51f7301eb051231264c5f35e2bb528131e10 [INFO] running `Command { std: "docker" "start" "-a" "94d29455911bde616c9f3671a37a51f7301eb051231264c5f35e2bb528131e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94d29455911bde616c9f3671a37a51f7301eb051231264c5f35e2bb528131e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d29455911bde616c9f3671a37a51f7301eb051231264c5f35e2bb528131e10", kill_on_drop: false }` [INFO] [stdout] 94d29455911bde616c9f3671a37a51f7301eb051231264c5f35e2bb528131e10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca55f1d4216071765de7487dd92fd63ea9a486b797b33edcd4ded2c32c9486ac [INFO] running `Command { std: "docker" "start" "-a" "ca55f1d4216071765de7487dd92fd63ea9a486b797b33edcd4ded2c32c9486ac", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling weezl v0.1.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling bytemuck v1.7.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling miniz_oxide v0.3.7 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling deflate v0.8.6 [INFO] [stderr] Compiling gif v0.11.2 [INFO] [stderr] Compiling png v0.16.8 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys v0.3.6 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling directories v3.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.22 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tiff v0.6.1 [INFO] [stderr] Compiling image v0.23.14 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Compiling structopt v0.3.22 [INFO] [stderr] Compiling rust-image-processor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `filter3x3` [INFO] [stdout] --> src/converter.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | pub fn filter3x3(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 25.60s [INFO] running `Command { std: "docker" "inspect" "ca55f1d4216071765de7487dd92fd63ea9a486b797b33edcd4ded2c32c9486ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca55f1d4216071765de7487dd92fd63ea9a486b797b33edcd4ded2c32c9486ac", kill_on_drop: false }` [INFO] [stdout] ca55f1d4216071765de7487dd92fd63ea9a486b797b33edcd4ded2c32c9486ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b24e014e08af356b68b8261016eaf6afc2bf1ccd0cfbd18936efde65a292013d [INFO] running `Command { std: "docker" "start" "-a" "b24e014e08af356b68b8261016eaf6afc2bf1ccd0cfbd18936efde65a292013d", kill_on_drop: false }` [INFO] [stderr] Compiling rust-image-processor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/converter.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | converter.grayscale() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ expected `()`, found enum `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found enum `Result` [INFO] [stdout] help: consider using a semicolon here [INFO] [stdout] | [INFO] [stdout] 120 | converter.grayscale(); [INFO] [stdout] | + [INFO] [stdout] help: try adding a return type [INFO] [stdout] | [INFO] [stdout] 117 | fn test_grayscale() -> Result { [INFO] [stdout] | +++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-image-processor` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "b24e014e08af356b68b8261016eaf6afc2bf1ccd0cfbd18936efde65a292013d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b24e014e08af356b68b8261016eaf6afc2bf1ccd0cfbd18936efde65a292013d", kill_on_drop: false }` [INFO] [stdout] b24e014e08af356b68b8261016eaf6afc2bf1ccd0cfbd18936efde65a292013d