[INFO] cloning repository https://github.com/kr1s7ian/rust-mosaic-maker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kr1s7ian/rust-mosaic-maker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkr1s7ian%2Frust-mosaic-maker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkr1s7ian%2Frust-mosaic-maker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54cc547523581e51c8c3d19421d868ef484d654a
[INFO] checking kr1s7ian/rust-mosaic-maker against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkr1s7ian%2Frust-mosaic-maker" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kr1s7ian/rust-mosaic-maker
[INFO] finished tweaking git repo https://github.com/kr1s7ian/rust-mosaic-maker
[INFO] tweaked toml for git repo https://github.com/kr1s7ian/rust-mosaic-maker written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kr1s7ian/rust-mosaic-maker on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kr1s7ian/rust-mosaic-maker 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded kmeans_colors v0.5.0
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded palette_derive v0.6.1
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded simd-adler32 v0.3.5
[INFO] [stderr]   Downloaded is-terminal v0.4.5
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded palette v0.6.1
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded zune-inflate v0.2.52
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded clap v4.1.11
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded tiff v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db789220827106fe679ad5c2119aff5c263d6f0b30113e6b080434a51785765b
[INFO] running `Command { std: "docker" "start" "-a" "db789220827106fe679ad5c2119aff5c263d6f0b30113e6b080434a51785765b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db789220827106fe679ad5c2119aff5c263d6f0b30113e6b080434a51785765b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db789220827106fe679ad5c2119aff5c263d6f0b30113e6b080434a51785765b", kill_on_drop: false }`
[INFO] [stdout] db789220827106fe679ad5c2119aff5c263d6f0b30113e6b080434a51785765b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b96736e9129d791c629df7100eaca62374ed898ea14838d6c0fc6f86ed553d21
[INFO] running `Command { std: "docker" "start" "-a" "b96736e9129d791c629df7100eaca62374ed898ea14838d6c0fc6f86ed553d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling palette v0.6.1
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking zune-inflate v0.2.52
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking clap_lex v0.3.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking png v0.17.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking is-terminal v0.4.5
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling find-crate v0.6.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling phf_macros v0.11.1
[INFO] [stderr]    Compiling palette_derive v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling clap_derive v4.1.9
[INFO] [stderr]     Checking phf v0.11.1
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking exr v1.6.3
[INFO] [stderr]     Checking clap v4.1.11
[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]     Checking kmeans_colors v0.5.0
[INFO] [stderr]     Checking mosaic-maker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let mut pixel = &mut img.get_pixel_mut(x + 1, y);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let mut pixel = &mut img.get_pixel_mut(x - 1, y + 1);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut pixel = &mut img.get_pixel_mut(x, y + 1);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let mut pixel = &mut img.get_pixel_mut(x + 1, y + 1);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 let mut pixel = &mut img.get_pixel_mut(x + 1, y);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 let mut pixel = &mut img.get_pixel_mut(x - 1, y + 1);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:44:21
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 let mut pixel = &mut img.get_pixel_mut(x, y + 1);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/dithering.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 let mut pixel = &mut img.get_pixel_mut(x + 1, y + 1);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.91s
[INFO] running `Command { std: "docker" "inspect" "b96736e9129d791c629df7100eaca62374ed898ea14838d6c0fc6f86ed553d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b96736e9129d791c629df7100eaca62374ed898ea14838d6c0fc6f86ed553d21", kill_on_drop: false }`
[INFO] [stdout] b96736e9129d791c629df7100eaca62374ed898ea14838d6c0fc6f86ed553d21
