[INFO] cloning repository https://github.com/prushton2/woolmatica
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prushton2/woolmatica" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprushton2%2Fwoolmatica", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprushton2%2Fwoolmatica'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dd41b631c767115e3a7b9aa0b776e17222e19c7
[INFO] checking prushton2/woolmatica/2dd41b631c767115e3a7b9aa0b776e17222e19c7 against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprushton2%2Fwoolmatica" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/prushton2/woolmatica on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/prushton2/woolmatica
[INFO] finished tweaking git repo https://github.com/prushton2/woolmatica
[INFO] tweaked toml for git repo https://github.com/prushton2/woolmatica written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/prushton2/woolmatica 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ravif v0.11.10
[INFO] [stderr]   Downloaded bitstream-io v2.5.3
[INFO] [stderr]   Downloaded built v0.7.4
[INFO] [stderr]   Downloaded image-webp v0.1.3
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 761f0fef56c92f7d02379a18b826a607cad672a671452ae0add6076c9375d007
[INFO] running `Command { std: "docker" "start" "-a" "761f0fef56c92f7d02379a18b826a607cad672a671452ae0add6076c9375d007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "761f0fef56c92f7d02379a18b826a607cad672a671452ae0add6076c9375d007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761f0fef56c92f7d02379a18b826a607cad672a671452ae0add6076c9375d007", kill_on_drop: false }`
[INFO] [stdout] 761f0fef56c92f7d02379a18b826a607cad672a671452ae0add6076c9375d007
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05dfb6c80df591bd0d1ac3622c902f1c6972210482d6b7b71a283ca94325b6dc
[INFO] running `Command { std: "docker" "start" "-a" "05dfb6c80df591bd0d1ac3622c902f1c6972210482d6b7b71a283ca94325b6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking bytemuck v1.18.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking bitstream-io v2.5.3
[INFO] [stderr]     Checking imgref v1.10.1
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking avif-serialize v0.8.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking zune-jpeg v0.4.13
[INFO] [stderr]     Checking image-webp v0.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking av1-grain v0.2.3
[INFO] [stderr]    Compiling profiling-procmacros v1.0.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]     Checking ravif v0.11.10
[INFO] [stderr]     Checking image v0.25.2
[INFO] [stderr]     Checking woolmatica v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Cursor`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Cursor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageReader`
[INFO] [stdout]  --> src/main.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{RgbImage, Rgb, ImageReader, GenericImageView, ImageFormat};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::IndexMut`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::IndexMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageReader`
[INFO] [stdout]  --> src/main.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use image::{RgbImage, Rgb, ImageReader, GenericImageView, ImageFormat};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::IndexMut`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::IndexMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut new_rgb = Rgb::<u8>([
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut new_rgb = Rgb::<u8>([
[INFO] [stdout]   |         ----^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     img_out.save_with_format("./out.png", ImageFormat::Png);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = img_out.save_with_format("./out.png", ImageFormat::Png);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     img_out.save_with_format("./out.png", ImageFormat::Png);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = img_out.save_with_format("./out.png", ImageFormat::Png);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.56s
[INFO] running `Command { std: "docker" "inspect" "05dfb6c80df591bd0d1ac3622c902f1c6972210482d6b7b71a283ca94325b6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05dfb6c80df591bd0d1ac3622c902f1c6972210482d6b7b71a283ca94325b6dc", kill_on_drop: false }`
[INFO] [stdout] 05dfb6c80df591bd0d1ac3622c902f1c6972210482d6b7b71a283ca94325b6dc