[INFO] fetching crate conrod_glium 0.76.1...
[INFO] checking conrod_glium-0.76.1 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate conrod_glium 0.76.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate conrod_glium 0.76.1
[INFO] finished tweaking crates.io crate conrod_glium 0.76.1
[INFO] tweaked toml for crates.io crate conrod_glium 0.76.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate conrod_glium 0.76.1 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate conrod_glium 0.76.1 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `conrod_glium` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.28.6
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[INFO] [stderr]   Downloaded deflate v0.7.20
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[INFO] [stderr]   Downloaded conrod_core v0.76.1
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded object v0.27.1
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[INFO] [stderr]   Downloaded winit v0.23.0
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded glium v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f
[INFO] running `Command { std: "docker" "start" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `conrod_glium` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling xml-rs v0.8.4
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[INFO] [stderr]     Checking walkdir v2.3.2
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[INFO] [stderr]    Compiling rayon-core v1.9.1
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[INFO] [stderr]     Checking mio v0.6.23
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[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
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[INFO] [stderr]     Checking lock_api v0.4.5
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[INFO] [stderr]     Checking piston-float v1.0.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling syn v0.15.44
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[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking piston-viewport v1.0.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking calloop v0.6.5
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[INFO] [stderr]     Checking parking_lot v0.11.2
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[INFO] [stderr]    Compiling rayon v1.5.1
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[INFO] [stderr]    Compiling crc32fast v1.3.0
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[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]    Compiling glium v0.28.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]    Compiling conrod_derive v0.76.1
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
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[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking takeable-option v0.5.0
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking conrod_winit v0.76.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking pistoncore-input v1.0.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]     Checking conrod_core v0.76.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking glutin v0.25.1
[INFO] [stderr]     Checking conrod_example_shared v0.76.1
[INFO] [stderr]     Checking conrod_glium v0.76.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn commands(&self) -> Commands {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn commands(&self) -> Commands<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:490:21
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn commands(&self) -> Commands {
[INFO] [stdout]     |                     ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 490 |     pub fn commands(&self) -> Commands<'_> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> examples/old_demo.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/range_slider.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/list_select.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/hello_world.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/counter.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/image.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]   --> examples/custom_widget.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/primitives.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/graph.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/text_edit.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[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 variable: `node_id`
[INFO] [stdout]    --> examples/graph.rs:187:35
[INFO] [stdout]     |
[INFO] [stdout] 187 |                 NodeEvent::Remove(node_id) => {}
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_id`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_socket`
[INFO] [stdout]    --> examples/graph.rs:193:37
[INFO] [stdout]     |
[INFO] [stdout] 193 |                 EdgeEvent::AddStart(node_socket) => {}
[INFO] [stdout]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> examples/graph.rs:194:34
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 EdgeEvent::Add { start, end } => {}
[INFO] [stdout]     |                                  ^^^^^ help: try ignoring the field: `start: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> examples/graph.rs:194:41
[INFO] [stdout]     |
[INFO] [stdout] 194 |                 EdgeEvent::Add { start, end } => {}
[INFO] [stdout]     |                                         ^^^ help: try ignoring the field: `end: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node_socket`
[INFO] [stdout]    --> examples/graph.rs:195:38
[INFO] [stdout]     |
[INFO] [stdout] 195 |                 EdgeEvent::Cancelled(node_socket) => {}
[INFO] [stdout]     |                                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_socket`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> examples/graph.rs:196:37
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 EdgeEvent::Remove { start, end } => {}
[INFO] [stdout]     |                                     ^^^^^ help: try ignoring the field: `start: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> examples/graph.rs:196:44
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 EdgeEvent::Remove { start, end } => {}
[INFO] [stdout]     |                                            ^^^ help: try ignoring the field: `end: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> examples/text_edit.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |       for edit in widget::TextEdit::new(demo_text)
[INFO] [stdout]     |  _________________^
[INFO] [stdout] 129 | |         .color(color::WHITE)
[INFO] [stdout] 130 | |         .padded_w_of(ids.canvas, 20.0)
[INFO] [stdout] 131 | |         .mid_top_of(ids.canvas)
[INFO] [stdout] ...   |
[INFO] [stdout] 135 | |         .set(ids.text_edit, ui)
[INFO] [stdout]     | |_______________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 128 -     for edit in widget::TextEdit::new(demo_text)
[INFO] [stdout] 128 +     while let Some(edit) = widget::TextEdit::new(demo_text)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 128 -     for edit in widget::TextEdit::new(demo_text)
[INFO] [stdout] 128 +     if let Some(edit) = widget::TextEdit::new(demo_text)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/canvas.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/triangles.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> examples/old_demo.rs:357:23
[INFO] [stdout]     |
[INFO] [stdout] 357 |       for new_height in widget::NumberDialer::new(app.v_slider_height, 25.0, 250.0, 1)
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 358 | |         .w_h(260.0, 60.0)
[INFO] [stdout] 359 | |         .right_from(shown_widget, 30.0)
[INFO] [stdout] 360 | |         .color(app.bg_color.invert())
[INFO] [stdout] ...   |
[INFO] [stdout] 363 | |         .label_color(app.bg_color.invert().plain_contrast())
[INFO] [stdout] 364 | |         .set(ids.slider_height, ui)
[INFO] [stdout]     | |___________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 357 -     for new_height in widget::NumberDialer::new(app.v_slider_height, 25.0, 250.0, 1)
[INFO] [stdout] 357 +     while let Some(new_height) = widget::NumberDialer::new(app.v_slider_height, 25.0, 250.0, 1)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 357 -     for new_height in widget::NumberDialer::new(app.v_slider_height, 25.0, 250.0, 1)
[INFO] [stdout] 357 +     if let Some(new_height) = widget::NumberDialer::new(app.v_slider_height, 25.0, 250.0, 1)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> examples/old_demo.rs:370:22
[INFO] [stdout]     |
[INFO] [stdout] 370 |       for new_width in widget::NumberDialer::new(app.border_width, 0.0, 15.0, 2)
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 371 | |         .w_h(260.0, 60.0)
[INFO] [stdout] 372 | |         .down(20.0)
[INFO] [stdout] 373 | |         .color(app.bg_color.plain_contrast().invert())
[INFO] [stdout] ...   |
[INFO] [stdout] 377 | |         .label_color(app.bg_color.plain_contrast())
[INFO] [stdout] 378 | |         .set(ids.border_width, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 370 -     for new_width in widget::NumberDialer::new(app.border_width, 0.0, 15.0, 2)
[INFO] [stdout] 370 +     while let Some(new_width) = widget::NumberDialer::new(app.border_width, 0.0, 15.0, 2)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 370 -     for new_width in widget::NumberDialer::new(app.border_width, 0.0, 15.0, 2)
[INFO] [stdout] 370 +     if let Some(new_width) = widget::NumberDialer::new(app.border_width, 0.0, 15.0, 2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> examples/old_demo.rs:414:25
[INFO] [stdout]     |
[INFO] [stdout] 414 |       for selected_idx in widget::DropDownList::new(&app.ddl_colors, app.selected_idx)
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 415 | |         .w_h(150.0, 40.0)
[INFO] [stdout] 416 | |         .right_from(ids.slider_height, 30.0) // Position right from widget 6 by 50 pixels.
[INFO] [stdout] 417 | |         .max_visible_items(3)
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | |         .scrollbar_on_top()
[INFO] [stdout] 424 | |         .set(ids.color_select, ui)
[INFO] [stdout]     | |__________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 414 -     for selected_idx in widget::DropDownList::new(&app.ddl_colors, app.selected_idx)
[INFO] [stdout] 414 +     while let Some(selected_idx) = widget::DropDownList::new(&app.ddl_colors, app.selected_idx)
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 414 -     for selected_idx in widget::DropDownList::new(&app.ddl_colors, app.selected_idx)
[INFO] [stdout] 414 +     if let Some(selected_idx) = widget::DropDownList::new(&app.ddl_colors, app.selected_idx)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> examples/old_demo.rs:438:19
[INFO] [stdout]     |
[INFO] [stdout] 438 |       for (x, y) in widget::XYPad::new(
[INFO] [stdout]     |  ___________________^
[INFO] [stdout] 439 | |         app.circle_pos[0],
[INFO] [stdout] 440 | |         -75.0,
[INFO] [stdout] 441 | |         75.0, // x range.
[INFO] [stdout] ...   |
[INFO] [stdout] 454 | |     .line_thickness(2.0)
[INFO] [stdout] 455 | |     .set(ids.circle_position, ui)
[INFO] [stdout]     | |_________________________________^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 438 -     for (x, y) in widget::XYPad::new(
[INFO] [stdout] 438 +     while let Some((x, y)) = widget::XYPad::new(
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 438 -     for (x, y) in widget::XYPad::new(
[INFO] [stdout] 438 +     if let Some((x, y)) = widget::XYPad::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> examples/image_button.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[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 `#[macro_use]` import
[INFO] [stdout]  --> examples/plot_path.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> examples/custom_widget.rs:335:31
[INFO] [stdout]     |
[INFO] [stdout] 335 |                   for _click in CircularButton::new()
[INFO] [stdout]     |  _______________________________^
[INFO] [stdout] 336 | |                     .color(conrod_core::color::rgb(0.0, 0.3, 0.1))
[INFO] [stdout] 337 | |                     .middle_of(ids.background)
[INFO] [stdout] 338 | |                     .w_h(256.0, 256.0)
[INFO] [stdout] ...   |
[INFO] [stdout] 344 | |                     .set(ids.circle_button, ui)
[INFO] [stdout]     | |_______________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 335 -                 for _click in CircularButton::new()
[INFO] [stdout] 335 +                 while let Some(_click) = CircularButton::new()
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 335 -                 for _click in CircularButton::new()
[INFO] [stdout] 335 +                 if let Some(_click) = CircularButton::new()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> examples/custom_widget.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |     #[derive(WidgetCommon)]
[INFO] [stdout]    |              ^-----------
[INFO] [stdout]    |              |
[INFO] [stdout]    |              `Common` is not local
[INFO] [stdout]    |              move the `impl` block outside of this constant `_IMPL_WIDGET_COMMON_FOR_CircularButton`
[INFO] [stdout] 32 |     pub struct CircularButton<'a> {
[INFO] [stdout]    |                -------------- `CircularButton` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `WidgetCommon` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `WidgetCommon` may come from an old version of the `conrod_derive` crate, try updating your dependency with `cargo update -p conrod_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `WidgetCommon` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> examples/custom_widget.rs:56:54
[INFO] [stdout]    |
[INFO] [stdout] 56 |     #[derive(Copy, Clone, Debug, Default, PartialEq, WidgetStyle)]
[INFO] [stdout]    |                                                      ^----------
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      move the `impl` block outside of this constant `_IMPL_WIDGET_STYLE_FOR_Style`
[INFO] [stdout] 57 |     pub struct Style {
[INFO] [stdout]    |                ----- `Style` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `WidgetStyle` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `WidgetStyle` may come from an old version of the `conrod_derive` crate, try updating your dependency with `cargo update -p conrod_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `WidgetStyle` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/all_winit_glium_threaded.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 9`
[INFO] running `Command { std: "docker" "inspect" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f", kill_on_drop: false }`
[INFO] [stdout] 93a0257ddbb878550adc8e3b86cfd693b5f775db0086bca22437bd9c7989d37f
