[INFO] cloning repository https://github.com/madewithlinux/rust-mandelbrot-gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madewithlinux/rust-mandelbrot-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadewithlinux%2Frust-mandelbrot-gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadewithlinux%2Frust-mandelbrot-gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc6ece666bc6567ba2e2d976b82f26f5c9c973b0
[INFO] checking madewithlinux/rust-mandelbrot-gui against master#f90b06d7fb00470177516c5881bcec0432cb4f24 for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadewithlinux%2Frust-mandelbrot-gui" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madewithlinux/rust-mandelbrot-gui on toolchain f90b06d7fb00470177516c5881bcec0432cb4f24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/madewithlinux/rust-mandelbrot-gui
[INFO] finished tweaking git repo https://github.com/madewithlinux/rust-mandelbrot-gui
[INFO] tweaked toml for git repo https://github.com/madewithlinux/rust-mandelbrot-gui written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/madewithlinux/rust-mandelbrot-gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a7111081c2b6b9ff836953fce20640c584a4546fd218766678ea4eae7b7f59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47a7111081c2b6b9ff836953fce20640c584a4546fd218766678ea4eae7b7f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a7111081c2b6b9ff836953fce20640c584a4546fd218766678ea4eae7b7f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a7111081c2b6b9ff836953fce20640c584a4546fd218766678ea4eae7b7f59", kill_on_drop: false }`
[INFO] [stdout] 47a7111081c2b6b9ff836953fce20640c584a4546fd218766678ea4eae7b7f59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69f0d0c22121bf54b0d2026f224563632c97d32ab54cde159abb82f3df4016c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e69f0d0c22121bf54b0d2026f224563632c97d32ab54cde159abb82f3df4016c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling core_extensions v1.5.2
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.5.1
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking ttf-parser v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking lebe v0.5.1
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking emath v0.16.0
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking wgpu-types v0.12.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking raw-window-handle v0.4.2
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling abi_stable_shared v0.10.3
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]    Compiling wgpu-core v0.12.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling wayland-sys v0.29.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.15.3
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking tstr v0.2.2
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]     Checking ash v0.34.0+1.2.203
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking wide v0.6.5
[INFO] [stderr]     Checking repr_offset v0.2.1
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking owned_ttf_parser v0.14.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.6
[INFO] [stderr]     Checking ab_glyph v0.2.13
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking png v0.17.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling wayland-scanner v0.29.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking ultraviolet v0.8.1
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking khronos-egl v4.1.0
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking tiff v0.7.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking epaint v0.16.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking xcursor v0.3.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling wayland-client v0.29.4
[INFO] [stderr]    Compiling wayland-protocols v0.29.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking gpu-descriptor v0.2.2
[INFO] [stderr]     Checking egui v0.16.1
[INFO] [stderr]     Checking jpeg-decoder v0.2.1
[INFO] [stderr]     Checking wayland-commons v0.29.4
[INFO] [stderr]     Checking calloop v0.9.3
[INFO] [stderr]    Compiling as_derive_utils v0.10.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking wayland-cursor v0.29.4
[INFO] [stderr]    Compiling abi_stable_derive v0.10.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.10
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking naga v0.8.3
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking exr v1.4.1
[INFO] [stderr]     Checking winit v0.26.1
[INFO] [stderr]     Checking image v0.24.0
[INFO] [stderr]     Checking wgpu-hal v0.12.3
[INFO] [stderr]     Checking winit_input_helper v0.11.0
[INFO] [stderr]     Checking egui-winit v0.16.0
[INFO] [stderr]     Checking abi_stable v0.10.4
[INFO] [stderr]     Checking wgpu v0.12.0
[INFO] [stderr]     Checking pixels v0.9.0
[INFO] [stderr]     Checking egui_wgpu_backend v0.16.0
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]     Checking worker v0.1.0 (/opt/rustwide/workdir/worker)
[INFO] [stderr]     Checking mandelbrot_f64 v0.1.0 (/opt/rustwide/workdir/impls/mandelbrot_f64)
[INFO] [stdout] warning: type alias is never used: `Image`
[INFO] [stdout]   --> worker/src/cell_grid.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Image<P> = ImageBuffer<P, Vec<<P as Pixel>::Subpixel>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FreshData`
[INFO] [stdout]   --> worker/src/cell_grid.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     FreshData,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `CellState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> worker/src/cell_grid.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Clone, Copy, PartialEq, Eq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stale_from_rgb`
[INFO] [stdout]   --> worker/src/cell_grid.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn stale_from_rgb(rgb: &Rgb<u8>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rgb`
[INFO] [stdout]   --> worker/src/cell_grid.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn get_rgb(&self) -> Rgb<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rust-mandelbrot-gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stdout] warning: type alias is never used: `Image`
[INFO] [stdout]   --> worker/src/cell_grid.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Image<P> = ImageBuffer<P, Vec<<P as Pixel>::Subpixel>>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FreshData`
[INFO] [stdout]   --> worker/src/cell_grid.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     FreshData,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `CellState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> worker/src/cell_grid.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Clone, Copy, PartialEq, Eq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `stale_from_rgb`
[INFO] [stdout]   --> worker/src/cell_grid.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn stale_from_rgb(rgb: &Rgb<u8>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_rgb`
[INFO] [stdout]   --> worker/src/cell_grid.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn get_rgb(&self) -> Rgb<u8> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 32s
[INFO] running `Command { std: "docker" "inspect" "e69f0d0c22121bf54b0d2026f224563632c97d32ab54cde159abb82f3df4016c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69f0d0c22121bf54b0d2026f224563632c97d32ab54cde159abb82f3df4016c", kill_on_drop: false }`
[INFO] [stdout] e69f0d0c22121bf54b0d2026f224563632c97d32ab54cde159abb82f3df4016c