[INFO] cloning repository https://github.com/jonhanks/fractal_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonhanks/fractal_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhanks%2Ffractal_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhanks%2Ffractal_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bb846e224eccbede145d47c5d785ade506f1b59
[INFO] testing jonhanks/fractal_rs against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonhanks%2Ffractal_rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jonhanks/fractal_rs
[INFO] finished tweaking git repo https://github.com/jonhanks/fractal_rs
[INFO] tweaked toml for git repo https://github.com/jonhanks/fractal_rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jonhanks/fractal_rs on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jonhanks/fractal_rs 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" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
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[INFO] running `Command { std: "docker" "start" "-a" "12f729de2aa4e8bc95efe755053d850a6426f4ef89a8a2bef9085e6e955def41", kill_on_drop: false }`
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[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
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[INFO] [stderr]    Compiling fractal_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:187:35
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     ui.horizontal((|ui| {
[INFO] [stdout]     |                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 198 |                     }));
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 ~                     ui.horizontal(|ui| {
[INFO] [stdout] 188 |                         egui::ComboBox::from_label("Fractal Type")
[INFO] [stdout] ...
[INFO] [stdout] 197 |                             })
[INFO] [stdout] 198 ~                     } );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:199:35
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     ui.horizontal((|ui| {
[INFO] [stdout]     |                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 209 |                     }));
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 ~                     ui.horizontal(|ui| {
[INFO] [stdout] 200 |                         egui::ComboBox::from_label("Palette")
[INFO] [stdout] ...
[INFO] [stdout] 208 |                             })
[INFO] [stdout] 209 ~                     } );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:210:35
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     ui.horizontal((|ui| {
[INFO] [stdout]     |                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 220 |                     }));
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 ~                     ui.horizontal(|ui| {
[INFO] [stdout] 211 |                         if ui.button("+").clicked() {
[INFO] [stdout] ...
[INFO] [stdout] 219 |                         ui.label("Detail");
[INFO] [stdout] 220 ~                     } );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mandelbrot.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut y_cur = fd.state.center.im + (fd.state.scale / aspect) / 2.0;
[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: unused variable: `thread_handle`
[INFO] [stdout]    --> src/main.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let thread_handle = thread::spawn(move || {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 let mut img_resp = ui.add(img);
[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/main.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let mut panel = egui::CentralPanel::default();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]    --> src/main.rs:141:41
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn update(&mut self, ctx: &Context, frame: &mut Frame) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle_palette` is never used
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn cycle_palette(p: palette::Palette) -> palette::Palette {
[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 `new_fractal` is never used
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn new_fractal(w: u32, h: u32) -> mandelbrot::Data {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DataRow` is never used
[INFO] [stdout]   --> src/mandelbrot.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub type DataRow = Vec<FractalSample>;
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resize` is never used
[INFO] [stdout]   --> src/mandelbrot.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Data {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn resize(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]    --> src/mandelbrot.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct FractalSample {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 118 |     pub z: Complex64,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FractalSample` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "e235c3c24195e078b45027a46196c05ca4eab89cc40dcf0a4150dab85683d5d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e235c3c24195e078b45027a46196c05ca4eab89cc40dcf0a4150dab85683d5d0", kill_on_drop: false }`
[INFO] [stdout] e235c3c24195e078b45027a46196c05ca4eab89cc40dcf0a4150dab85683d5d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] bc9bd50742d9be26e9375987bc5c77a03b0015314ff46f0aea8abad7e74126c5
[INFO] running `Command { std: "docker" "start" "-a" "bc9bd50742d9be26e9375987bc5c77a03b0015314ff46f0aea8abad7e74126c5", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling fractal_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:187:35
[INFO] [stdout]     |
[INFO] [stdout] 187 |                     ui.horizontal((|ui| {
[INFO] [stdout]     |                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 198 |                     }));
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 187 ~                     ui.horizontal(|ui| {
[INFO] [stdout] 188 |                         egui::ComboBox::from_label("Fractal Type")
[INFO] [stdout] ...
[INFO] [stdout] 197 |                             })
[INFO] [stdout] 198 ~                     } );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:199:35
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     ui.horizontal((|ui| {
[INFO] [stdout]     |                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 209 |                     }));
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 199 ~                     ui.horizontal(|ui| {
[INFO] [stdout] 200 |                         egui::ComboBox::from_label("Palette")
[INFO] [stdout] ...
[INFO] [stdout] 208 |                             })
[INFO] [stdout] 209 ~                     } );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:210:35
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     ui.horizontal((|ui| {
[INFO] [stdout]     |                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 220 |                     }));
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 ~                     ui.horizontal(|ui| {
[INFO] [stdout] 211 |                         if ui.button("+").clicked() {
[INFO] [stdout] ...
[INFO] [stdout] 219 |                         ui.label("Detail");
[INFO] [stdout] 220 ~                     } );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mandelbrot.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |     let mut y_cur = fd.state.center.im + (fd.state.scale / aspect) / 2.0;
[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: unused variable: `thread_handle`
[INFO] [stdout]    --> src/main.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let thread_handle = thread::spawn(move || {
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_handle`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 let mut img_resp = ui.add(img);
[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/main.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let mut panel = egui::CentralPanel::default();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]    --> src/main.rs:141:41
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn update(&mut self, ctx: &Context, frame: &mut Frame) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle_palette` is never used
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn cycle_palette(p: palette::Palette) -> palette::Palette {
[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 `new_fractal` is never used
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn new_fractal(w: u32, h: u32) -> mandelbrot::Data {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DataRow` is never used
[INFO] [stdout]   --> src/mandelbrot.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub type DataRow = Vec<FractalSample>;
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `resize` is never used
[INFO] [stdout]   --> src/mandelbrot.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Data {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 95 |     pub fn resize(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]    --> src/mandelbrot.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub struct FractalSample {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 118 |     pub z: Complex64,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FractalSample` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "bc9bd50742d9be26e9375987bc5c77a03b0015314ff46f0aea8abad7e74126c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9bd50742d9be26e9375987bc5c77a03b0015314ff46f0aea8abad7e74126c5", kill_on_drop: false }`
[INFO] [stdout] bc9bd50742d9be26e9375987bc5c77a03b0015314ff46f0aea8abad7e74126c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 48e03dbca29aac3977ea263aaf931a1f0ce5834adb8395685a84635d4637ada0
[INFO] running `Command { std: "docker" "start" "-a" "48e03dbca29aac3977ea263aaf931a1f0ce5834adb8395685a84635d4637ada0", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:187:35
[INFO] [stderr]     |
[INFO] [stderr] 187 |                     ui.horizontal((|ui| {
[INFO] [stderr]     |                                   ^
[INFO] [stderr] ...
[INFO] [stderr] 198 |                     }));
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 187 ~                     ui.horizontal(|ui| {
[INFO] [stderr] 188 |                         egui::ComboBox::from_label("Fractal Type")
[INFO] [stderr] ...
[INFO] [stderr] 197 |                             })
[INFO] [stderr] 198 ~                     } );
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:199:35
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     ui.horizontal((|ui| {
[INFO] [stderr]     |                                   ^
[INFO] [stderr] ...
[INFO] [stderr] 209 |                     }));
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 199 ~                     ui.horizontal(|ui| {
[INFO] [stderr] 200 |                         egui::ComboBox::from_label("Palette")
[INFO] [stderr] ...
[INFO] [stderr] 208 |                             })
[INFO] [stderr] 209 ~                     } );
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:210:35
[INFO] [stderr]     |
[INFO] [stderr] 210 |                     ui.horizontal((|ui| {
[INFO] [stderr]     |                                   ^
[INFO] [stderr] ...
[INFO] [stderr] 220 |                     }));
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 210 ~                     ui.horizontal(|ui| {
[INFO] [stderr] 211 |                         if ui.button("+").clicked() {
[INFO] [stderr] ...
[INFO] [stderr] 219 |                         ui.label("Detail");
[INFO] [stderr] 220 ~                     } );
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mandelbrot.rs:176:9
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut y_cur = fd.state.center.im + (fd.state.scale / aspect) / 2.0;
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `thread_handle`
[INFO] [stderr]    --> src/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |         let thread_handle = thread::spawn(move || {
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread_handle`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:157:21
[INFO] [stderr]     |
[INFO] [stderr] 157 |                 let mut img_resp = ui.add(img);
[INFO] [stderr]     |                     ----^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let mut panel = egui::CentralPanel::default();
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frame`
[INFO] [stderr]    --> src/main.rs:141:41
[INFO] [stderr]     |
[INFO] [stderr] 141 |     fn update(&mut self, ctx: &Context, frame: &mut Frame) {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stderr] 
[INFO] [stderr] warning: function `cycle_palette` is never used
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn cycle_palette(p: palette::Palette) -> palette::Palette {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `new_fractal` is never used
[INFO] [stderr]   --> src/main.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn new_fractal(w: u32, h: u32) -> mandelbrot::Data {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `DataRow` is never used
[INFO] [stderr]   --> src/mandelbrot.rs:64:10
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub type DataRow = Vec<FractalSample>;
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `resize` is never used
[INFO] [stderr]   --> src/mandelbrot.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | impl Data {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 95 |     pub fn resize(&mut self) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `z` is never read
[INFO] [stderr]    --> src/mandelbrot.rs:118:9
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub struct FractalSample {
[INFO] [stderr]     |            ------------- field in this struct
[INFO] [stderr] 118 |     pub z: Complex64,
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FractalSample` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `fractal_rs` (bin "fractal_rs" test) generated 13 warnings (run `cargo fix --bin "fractal_rs" -p fractal_rs --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: document-features v0.2.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/build/fractal_rs/a75d625414ee9c59/deps/fractal_rs-a75d625414ee9c59)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48e03dbca29aac3977ea263aaf931a1f0ce5834adb8395685a84635d4637ada0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48e03dbca29aac3977ea263aaf931a1f0ce5834adb8395685a84635d4637ada0", kill_on_drop: false }`
[INFO] [stdout] 48e03dbca29aac3977ea263aaf931a1f0ce5834adb8395685a84635d4637ada0
