[INFO] cloning repository https://github.com/nikhil-nayyar/digital-rain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikhil-nayyar/digital-rain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhil-nayyar%2Fdigital-rain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhil-nayyar%2Fdigital-rain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f64c3a51974569e0cca863e45acca95a35806b8
[INFO] checking nikhil-nayyar/digital-rain against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikhil-nayyar%2Fdigital-rain" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nikhil-nayyar/digital-rain
[INFO] finished tweaking git repo https://github.com/nikhil-nayyar/digital-rain
[INFO] tweaked toml for git repo https://github.com/nikhil-nayyar/digital-rain written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nikhil-nayyar/digital-rain on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nikhil-nayyar/digital-rain 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02938294dc84516a3286d361d339688e99aa3e88cd0b8b59855b6957b2cd2cb7
[INFO] running `Command { std: "docker" "start" "-a" "02938294dc84516a3286d361d339688e99aa3e88cd0b8b59855b6957b2cd2cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02938294dc84516a3286d361d339688e99aa3e88cd0b8b59855b6957b2cd2cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02938294dc84516a3286d361d339688e99aa3e88cd0b8b59855b6957b2cd2cb7", kill_on_drop: false }`
[INFO] [stdout] 02938294dc84516a3286d361d339688e99aa3e88cd0b8b59855b6957b2cd2cb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cde6bb0c3ab836d0fef51c5548796948161228d80f4fa024a89d013f90df534e
[INFO] running `Command { std: "docker" "start" "-a" "cde6bb0c3ab836d0fef51c5548796948161228d80f4fa024a89d013f90df534e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling find-msvc-tools v0.1.7
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking unicode-xid v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking flate2 v1.1.8
[INFO] [stderr]     Checking gpu-alloc-types v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling cc v1.2.52
[INFO] [stderr]    Compiling wayland-sys v0.31.8
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking gpu-alloc v0.6.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking renderdoc-sys v1.1.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling quick-xml v0.38.4
[INFO] [stderr]    Compiling naga v23.1.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling built v0.8.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling ash v0.38.0+1.3.281
[INFO] [stderr]    Compiling wayland-backend v0.3.12
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]    Compiling av-scenechange v0.14.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling wayland-client v0.31.12
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.8
[INFO] [stderr]    Compiling rav1e v0.8.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking aligned v0.4.3
[INFO] [stderr]    Compiling nasm-rs v0.3.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling wgpu-hal v23.0.1
[INFO] [stderr]     Checking spirv v0.3.0+sdk-1.3.268.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking y4m v0.8.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling pastey v0.1.1
[INFO] [stderr]     Checking xcursor v0.3.10
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]     Checking raw-window-handle v0.6.2
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling mozjpeg-sys v2.2.3
[INFO] [stderr]     Checking gpu-descriptor v0.3.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking bitstream-io v4.9.0
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling zerocopy-derive v0.8.33
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]     Checking equator v0.4.2
[INFO] [stderr]     Checking aligned-vec v0.6.4
[INFO] [stderr]     Checking v_frame v0.3.9
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking av1-grain v0.2.5
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking rgb v0.8.52
[INFO] [stderr]    Compiling wgpu-core v23.0.1
[INFO] [stderr]     Checking wgpu-types v23.0.0
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]     Checking glow v0.14.2
[INFO] [stderr]     Checking weezl v0.1.12
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking imgref v1.12.0
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]     Checking fax v0.2.6
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking pxfm v0.1.27
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling wgpu v23.0.1
[INFO] [stderr]     Checking avif-serialize v0.8.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking zune-core v0.5.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]     Checking exr v1.74.0
[INFO] [stderr]     Checking zune-jpeg v0.5.8
[INFO] [stderr]     Checking image-webp v0.2.4
[INFO] [stderr]     Checking moxcms v0.7.11
[INFO] [stderr]     Checking gif v0.14.1
[INFO] [stderr]     Checking owned_ttf_parser v0.25.1
[INFO] [stderr]     Checking tiff v0.10.3
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking ravif v0.12.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking ab_glyph v0.2.32
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking wayland-protocols v0.32.10
[INFO] [stderr]     Checking polling v3.11.0
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking image v0.25.9
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking calloop v0.13.0
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stderr]     Checking naga v0.13.0
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling v4l2-sys-mit v0.3.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking wgpu-types v0.17.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]     Checking cursor-icon v1.2.0
[INFO] [stderr]     Checking xkeysym v0.2.1
[INFO] [stderr]     Checking glow v0.12.3
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking wayland-protocols-wlr v0.3.10
[INFO] [stderr]     Checking tiny-skia v0.8.4
[INFO] [stderr]     Checking calloop-wayland-source v0.3.0
[INFO] [stderr]     Checking wayland-cursor v0.31.12
[INFO] [stderr]     Checking tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]     Checking memmap2 v0.9.9
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nokhwa-bindings-macos v0.2.3
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling winit v0.30.12
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking tiny-skia v0.11.4
[INFO] [stderr]    Compiling show-image v0.14.1
[INFO] [stderr]     Checking v4l v0.14.0
[INFO] [stderr]     Checking gethostname v1.1.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking x11rb-protocol v0.13.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking as-raw-xcb-connection v1.0.1
[INFO] [stderr]     Checking anstream v0.6.21
[INFO] [stderr]     Checking sctk-adwaita v0.10.1
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]     Checking env_filter v0.1.4
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking xkbcommon-dl v0.4.2
[INFO] [stderr]     Checking wayland-protocols-plasma v0.3.10
[INFO] [stderr]     Checking jiff v0.2.18
[INFO] [stderr]     Checking smol_str v0.2.2
[INFO] [stderr]     Checking glam v0.30.10
[INFO] [stderr]     Checking dpi v0.1.2
[INFO] [stderr]     Checking terminal_size v0.4.3
[INFO] [stderr]     Checking pollster v0.3.0
[INFO] [stderr]     Checking wgpu-hal v0.17.2
[INFO] [stderr]    Compiling show-image-macros v0.12.4
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking sctk-adwaita v0.5.4
[INFO] [stderr]     Checking wgpu-core v0.17.1
[INFO] [stderr]     Checking mozjpeg v0.10.13
[INFO] [stderr]     Checking nokhwa-core v0.1.7
[INFO] [stderr]     Checking nokhwa-bindings-linux v0.1.3
[INFO] [stderr]     Checking nokhwa-bindings-windows v0.4.5
[INFO] [stderr]     Checking nokhwa v0.10.9
[INFO] [stderr]     Checking wgpu v0.17.2
[INFO] [stderr]     Checking x11rb v0.13.2
[INFO] [stderr]     Checking digital-rain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Height` and `Width`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use terminal_size::{Width, Height, terminal_size};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Height` and `Width`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use terminal_size::{Width, Height, terminal_size};
[INFO] [stdout]    |                     ^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glam::UVec2`
[INFO] [stdout]   --> src/main.rs:19:55
[INFO] [stdout]    |
[INFO] [stdout] 19 | use show_image::{ImageInfo, ImageView, create_window, glam::UVec2};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glam::UVec2`
[INFO] [stdout]   --> src/main.rs:19:55
[INFO] [stdout]    |
[INFO] [stdout] 19 | use show_image::{ImageInfo, ImageView, create_window, glam::UVec2};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_grayscale` is never used
[INFO] [stdout]   --> src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn generate_grayscale(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_grayscale` is never used
[INFO] [stdout]   --> src/main.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn generate_grayscale(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 14s
[INFO] running `Command { std: "docker" "inspect" "cde6bb0c3ab836d0fef51c5548796948161228d80f4fa024a89d013f90df534e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde6bb0c3ab836d0fef51c5548796948161228d80f4fa024a89d013f90df534e", kill_on_drop: false }`
[INFO] [stdout] cde6bb0c3ab836d0fef51c5548796948161228d80f4fa024a89d013f90df534e
