[INFO] cloning repository https://github.com/T0kers/fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T0kers/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0kers%2Ffractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0kers%2Ffractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f285a03208d9b319c535ea728d683746d2bc7dff
[INFO] checking T0kers/fractals against try#fcfb0ffc7ed7fc631df1136063939ef648434735 for pr-152543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT0kers%2Ffractals" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/T0kers/fractals
[INFO] finished tweaking git repo https://github.com/T0kers/fractals
[INFO] tweaked toml for git repo https://github.com/T0kers/fractals written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/T0kers/fractals on toolchain fcfb0ffc7ed7fc631df1136063939ef648434735
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/T0kers/fractals 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" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fcf3a7de330f89106f1d38351cc6cfff130c4e1012c9056fcff036a94fc20bd
[INFO] running `Command { std: "docker" "start" "-a" "6fcf3a7de330f89106f1d38351cc6cfff130c4e1012c9056fcff036a94fc20bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fcf3a7de330f89106f1d38351cc6cfff130c4e1012c9056fcff036a94fc20bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fcf3a7de330f89106f1d38351cc6cfff130c4e1012c9056fcff036a94fc20bd", kill_on_drop: false }`
[INFO] [stdout] 6fcf3a7de330f89106f1d38351cc6cfff130c4e1012c9056fcff036a94fc20bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fcfb0ffc7ed7fc631df1136063939ef648434735" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 879cd507961297ad64abf0844aa2fc3fd2d409ab7d02f7f696dfed4154d7276f
[INFO] running `Command { std: "docker" "start" "-a" "879cd507961297ad64abf0844aa2fc3fd2d409ab7d02f7f696dfed4154d7276f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking weezl v0.1.11
[INFO] [stderr]     Checking flate2 v1.1.5
[INFO] [stderr]     Checking imgref v1.12.0
[INFO] [stderr]     Checking zune-jpeg v0.4.21
[INFO] [stderr]     Checking pxfm v0.1.25
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking lebe v0.5.3
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking png v0.18.0
[INFO] [stderr]    Compiling syn v2.0.109
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking moxcms v0.7.9
[INFO] [stderr]    Compiling equator-macro v0.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling profiling-procmacros v1.0.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling fax_derive v0.2.0
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking fax v0.2.6
[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]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking av1-grain v0.2.5
[INFO] [stderr]     Checking rav1e v0.7.1
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking tiff v0.10.3
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking ravif v0.11.20
[INFO] [stderr]     Checking image v0.25.8
[INFO] [stderr]     Checking mandlebrot_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ImageResult`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{ImageResult, Pixel, Rgb, RgbImage};
[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: `CommandArgs`
[INFO] [stdout]  --> src/main.rs:3:60
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{f64::consts::LN_2, io::Write, process::{Command, CommandArgs, Stdio}};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ImageResult`
[INFO] [stdout]  --> src/main.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use image::{ImageResult, Pixel, Rgb, RgbImage};
[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: `CommandArgs`
[INFO] [stdout]  --> src/main.rs:3:60
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{f64::consts::LN_2, io::Write, process::{Command, CommandArgs, Stdio}};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mandelbrot` is never used
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn mandelbrot(c: Complex64, max_iter: usize) -> usize {
[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 `mandelbrot_derbail` is never used
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn mandelbrot_derbail(c: Complex64, max_iter: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mandelbrot` is never used
[INFO] [stdout]   --> src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn mandelbrot(c: Complex64, max_iter: usize) -> usize {
[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 `mandelbrot_derbail` is never used
[INFO] [stdout]   --> src/main.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn mandelbrot_derbail(c: Complex64, max_iter: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.18s
[INFO] running `Command { std: "docker" "inspect" "879cd507961297ad64abf0844aa2fc3fd2d409ab7d02f7f696dfed4154d7276f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879cd507961297ad64abf0844aa2fc3fd2d409ab7d02f7f696dfed4154d7276f", kill_on_drop: false }`
[INFO] [stdout] 879cd507961297ad64abf0844aa2fc3fd2d409ab7d02f7f696dfed4154d7276f