[INFO] fetching crate all-is-cubes-ui 0.9.0...
[INFO] checking all-is-cubes-ui-0.9.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate all-is-cubes-ui 0.9.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate all-is-cubes-ui 0.9.0
[INFO] finished tweaking crates.io crate all-is-cubes-ui 0.9.0
[INFO] tweaked toml for crates.io crate all-is-cubes-ui 0.9.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate all-is-cubes-ui 0.9.0 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate all-is-cubes-ui 0.9.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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_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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c1d1cfbd5e8d1c37e086391de51fd58b7beae8df590d95e9f35aefad38af5aa
[INFO] running `Command { std: "docker" "start" "-a" "8c1d1cfbd5e8d1c37e086391de51fd58b7beae8df590d95e9f35aefad38af5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c1d1cfbd5e8d1c37e086391de51fd58b7beae8df590d95e9f35aefad38af5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1d1cfbd5e8d1c37e086391de51fd58b7beae8df590d95e9f35aefad38af5aa", kill_on_drop: false }`
[INFO] [stdout] 8c1d1cfbd5e8d1c37e086391de51fd58b7beae8df590d95e9f35aefad38af5aa
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2306c24dc5d97f704f38cdde34cf394876842b00ef3ede7359477302805cd3e0
[INFO] running `Command { std: "docker" "start" "-a" "2306c24dc5d97f704f38cdde34cf394876842b00ef3ede7359477302805cd3e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
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[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling itertools v0.13.0
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[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling miniz_oxide v0.4.4
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[INFO] [stderr]    Compiling embedded-graphics-core v0.4.0
[INFO] [stderr]    Compiling euclid v0.22.11
[INFO] [stderr]    Compiling ordered-float v4.6.0
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[INFO] [stderr]     Checking all-is-cubes-base v0.9.0
[INFO] [stderr]    Compiling all-is-cubes v0.9.0
[INFO] [stderr]     Checking all-is-cubes-render v0.9.0
[INFO] [stderr]     Checking all-is-cubes-ui v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/vui/widget_trait.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         error: Box<InstallVuiError>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/vui/widget_trait.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         error: space::SpaceTransactionConflict,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/vui/widget_trait.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         error: transaction::ExecuteError<SpaceTransaction>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/vui/widget_trait.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         error: Box<InstallVuiError>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/vui/widget_trait.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         error: space::SpaceTransactionConflict,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `error` is never read
[INFO] [stdout]    --> src/vui/widget_trait.rs:289:9
[INFO] [stdout]     |
[INFO] [stdout] 289 |         error: transaction::ExecuteError<SpaceTransaction>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<alloc::sync::Arc<dyn widget_trait::Widget>>>>, Infallible>
[INFO] [stdout]   --> src/vui/layout.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     tree.perform_layout(grant).unwrap(/* currently infallible */).installation()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:319:76
[INFO] [stdout]     |
[INFO] [stdout] 319 |       ) -> Result<Arc<LayoutTree<Positioned<W>>>, core::convert::Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 320 | |         Ok(Arc::new(match *self {
[INFO] [stdout] 321 | |             LayoutTree::Leaf(ref w) => LayoutTree::Leaf(Positioned {
[INFO] [stdout] ...   |
[INFO] [stdout] 429 | |         }))
[INFO] [stdout] 430 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 | /         Ok(Arc::new(match *self {
[INFO] [stdout] 321 | |             LayoutTree::Leaf(ref w) => LayoutTree::Leaf(Positioned {
[INFO] [stdout] ...   |
[INFO] [stdout] 429 | |         }))
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                   child: child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 331 | |                     // TODO: more gradual too-small behavior than this unwrap_or() provides
[INFO] [stdout] 332 | |                     bounds: grant
[INFO] [stdout] 333 | |                         .bounds
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |                     gravity: grant.gravity,
[INFO] [stdout] 337 | |                 })?,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                   child: child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 331 | |                     // TODO: more gradual too-small behavior than this unwrap_or() provides
[INFO] [stdout] 332 | |                     bounds: grant
[INFO] [stdout] 333 | |                         .bounds
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |                     gravity: grant.gravity,
[INFO] [stdout] 337 | |                 })?,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                   child: child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 331 | |                     // TODO: more gradual too-small behavior than this unwrap_or() provides
[INFO] [stdout] 332 | |                     bounds: grant
[INFO] [stdout] 333 | |                         .bounds
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |                     gravity: grant.gravity,
[INFO] [stdout] 337 | |                 })?,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |                       positioned_children.push(child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 372 | |                         bounds: child_bounds,
[INFO] [stdout] 373 | |                         gravity,
[INFO] [stdout] 374 | |                     })?);
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |                       positioned_children.push(child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 372 | |                         bounds: child_bounds,
[INFO] [stdout] 373 | |                         gravity,
[INFO] [stdout] 374 | |                     })?);
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |                       positioned_children.push(child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 372 | |                         bounds: child_bounds,
[INFO] [stdout] 373 | |                         gravity,
[INFO] [stdout] 374 | |                     })?);
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 LayoutTree::Shrink(child.perform_layout(grant)?)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 LayoutTree::Shrink(child.perform_layout(grant)?)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 LayoutTree::Shrink(child.perform_layout(grant)?)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |                       crosshair: crosshair.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 398 | |                         bounds: crosshair_bounds,
[INFO] [stdout] 399 | |                         gravity: Vector3D::new(Align::Center, Align::Center, Align::Center),
[INFO] [stdout] 400 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |                       crosshair: crosshair.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 398 | |                         bounds: crosshair_bounds,
[INFO] [stdout] 399 | |                         gravity: Vector3D::new(Align::Center, Align::Center, Align::Center),
[INFO] [stdout] 400 | |                     })?,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |                       crosshair: crosshair.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 398 | |                         bounds: crosshair_bounds,
[INFO] [stdout] 399 | |                         gravity: Vector3D::new(Align::Center, Align::Center, Align::Center),
[INFO] [stdout] 400 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:401:30
[INFO] [stdout]     |
[INFO] [stdout] 401 |                       toolbar: toolbar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 402 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 403 | |                             [
[INFO] [stdout] 404 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 414 | |                         gravity: Vector3D::new(Align::Center, Align::Low, Align::Center),
[INFO] [stdout] 415 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:401:30
[INFO] [stdout]     |
[INFO] [stdout] 401 |                       toolbar: toolbar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 402 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 403 | |                             [
[INFO] [stdout] 404 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 414 | |                         gravity: Vector3D::new(Align::Center, Align::Low, Align::Center),
[INFO] [stdout] 415 | |                     })?,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:401:30
[INFO] [stdout]     |
[INFO] [stdout] 401 |                       toolbar: toolbar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 402 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 403 | |                             [
[INFO] [stdout] 404 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 414 | |                         gravity: Vector3D::new(Align::Center, Align::Low, Align::Center),
[INFO] [stdout] 415 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |                       control_bar: control_bar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 417 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 418 | |                             [
[INFO] [stdout] 419 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 425 | |                         gravity: Vector3D::new(Align::High, Align::High, Align::Low),
[INFO] [stdout] 426 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |                       control_bar: control_bar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 417 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 418 | |                             [
[INFO] [stdout] 419 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 425 | |                         gravity: Vector3D::new(Align::High, Align::High, Align::Low),
[INFO] [stdout] 426 | |                     })?,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |                       control_bar: control_bar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 417 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 418 | |                             [
[INFO] [stdout] 419 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 425 | |                         gravity: Vector3D::new(Align::High, Align::High, Align::Low),
[INFO] [stdout] 426 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<LT>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:630:13
[INFO] [stdout]     |
[INFO] [stdout] 630 |             tree.perform_layout(grant)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<LT>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:675:13
[INFO] [stdout]     |
[INFO] [stdout] 675 |             tree.perform_layout(grant)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `all-is-cubes-ui` (lib test) due to 23 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<alloc::sync::Arc<dyn widget_trait::Widget>>>>, Infallible>
[INFO] [stdout]   --> src/vui/layout.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     tree.perform_layout(grant).unwrap(/* currently infallible */).installation()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:319:76
[INFO] [stdout]     |
[INFO] [stdout] 319 |       ) -> Result<Arc<LayoutTree<Positioned<W>>>, core::convert::Infallible> {
[INFO] [stdout]     |  ____________________________________________________________________________^
[INFO] [stdout] 320 | |         Ok(Arc::new(match *self {
[INFO] [stdout] 321 | |             LayoutTree::Leaf(ref w) => LayoutTree::Leaf(Positioned {
[INFO] [stdout] ...   |
[INFO] [stdout] 429 | |         }))
[INFO] [stdout] 430 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 | /         Ok(Arc::new(match *self {
[INFO] [stdout] 321 | |             LayoutTree::Leaf(ref w) => LayoutTree::Leaf(Positioned {
[INFO] [stdout] ...   |
[INFO] [stdout] 429 | |         }))
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                   child: child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 331 | |                     // TODO: more gradual too-small behavior than this unwrap_or() provides
[INFO] [stdout] 332 | |                     bounds: grant
[INFO] [stdout] 333 | |                         .bounds
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |                     gravity: grant.gravity,
[INFO] [stdout] 337 | |                 })?,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                   child: child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 331 | |                     // TODO: more gradual too-small behavior than this unwrap_or() provides
[INFO] [stdout] 332 | |                     bounds: grant
[INFO] [stdout] 333 | |                         .bounds
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |                     gravity: grant.gravity,
[INFO] [stdout] 337 | |                 })?,
[INFO] [stdout]     | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:330:24
[INFO] [stdout]     |
[INFO] [stdout] 330 |                   child: child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 331 | |                     // TODO: more gradual too-small behavior than this unwrap_or() provides
[INFO] [stdout] 332 | |                     bounds: grant
[INFO] [stdout] 333 | |                         .bounds
[INFO] [stdout] ...   |
[INFO] [stdout] 336 | |                     gravity: grant.gravity,
[INFO] [stdout] 337 | |                 })?,
[INFO] [stdout]     | |___________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |                       positioned_children.push(child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 372 | |                         bounds: child_bounds,
[INFO] [stdout] 373 | |                         gravity,
[INFO] [stdout] 374 | |                     })?);
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |                       positioned_children.push(child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 372 | |                         bounds: child_bounds,
[INFO] [stdout] 373 | |                         gravity,
[INFO] [stdout] 374 | |                     })?);
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:371:46
[INFO] [stdout]     |
[INFO] [stdout] 371 |                       positioned_children.push(child.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 372 | |                         bounds: child_bounds,
[INFO] [stdout] 373 | |                         gravity,
[INFO] [stdout] 374 | |                     })?);
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 LayoutTree::Shrink(child.perform_layout(grant)?)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 LayoutTree::Shrink(child.perform_layout(grant)?)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:384:36
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 LayoutTree::Shrink(child.perform_layout(grant)?)
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |                       crosshair: crosshair.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 398 | |                         bounds: crosshair_bounds,
[INFO] [stdout] 399 | |                         gravity: Vector3D::new(Align::Center, Align::Center, Align::Center),
[INFO] [stdout] 400 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |                       crosshair: crosshair.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 398 | |                         bounds: crosshair_bounds,
[INFO] [stdout] 399 | |                         gravity: Vector3D::new(Align::Center, Align::Center, Align::Center),
[INFO] [stdout] 400 | |                     })?,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:397:32
[INFO] [stdout]     |
[INFO] [stdout] 397 |                       crosshair: crosshair.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 398 | |                         bounds: crosshair_bounds,
[INFO] [stdout] 399 | |                         gravity: Vector3D::new(Align::Center, Align::Center, Align::Center),
[INFO] [stdout] 400 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:401:30
[INFO] [stdout]     |
[INFO] [stdout] 401 |                       toolbar: toolbar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 402 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 403 | |                             [
[INFO] [stdout] 404 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 414 | |                         gravity: Vector3D::new(Align::Center, Align::Low, Align::Center),
[INFO] [stdout] 415 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:401:30
[INFO] [stdout]     |
[INFO] [stdout] 401 |                       toolbar: toolbar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 402 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 403 | |                             [
[INFO] [stdout] 404 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 414 | |                         gravity: Vector3D::new(Align::Center, Align::Low, Align::Center),
[INFO] [stdout] 415 | |                     })?,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:401:30
[INFO] [stdout]     |
[INFO] [stdout] 401 |                       toolbar: toolbar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  ______________________________^
[INFO] [stdout] 402 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 403 | |                             [
[INFO] [stdout] 404 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 414 | |                         gravity: Vector3D::new(Align::Center, Align::Low, Align::Center),
[INFO] [stdout] 415 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>>
[INFO] [stdout]    --> src/vui/layout.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |                       control_bar: control_bar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 417 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 418 | |                             [
[INFO] [stdout] 419 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 425 | |                         gravity: Vector3D::new(Align::High, Align::High, Align::Low),
[INFO] [stdout] 426 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |                       control_bar: control_bar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 417 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 418 | |                             [
[INFO] [stdout] 419 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 425 | |                         gravity: Vector3D::new(Align::High, Align::High, Align::Low),
[INFO] [stdout] 426 | |                     })?,
[INFO] [stdout]     | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::sync::Arc<layout::LayoutTree<layout::Positioned<W>>>, Infallible>
[INFO] [stdout]    --> src/vui/layout.rs:416:34
[INFO] [stdout]     |
[INFO] [stdout] 416 |                       control_bar: control_bar.perform_layout(LayoutGrant {
[INFO] [stdout]     |  __________________________________^
[INFO] [stdout] 417 | |                         bounds: GridAab::from_lower_upper(
[INFO] [stdout] 418 | |                             [
[INFO] [stdout] 419 | |                                 grant.bounds.lower_bounds().x,
[INFO] [stdout] ...   |
[INFO] [stdout] 425 | |                         gravity: Vector3D::new(Align::High, Align::High, Align::Low),
[INFO] [stdout] 426 | |                     })?,
[INFO] [stdout]     | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `all-is-cubes-ui` (lib) due to 21 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2306c24dc5d97f704f38cdde34cf394876842b00ef3ede7359477302805cd3e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2306c24dc5d97f704f38cdde34cf394876842b00ef3ede7359477302805cd3e0", kill_on_drop: false }`
[INFO] [stdout] 2306c24dc5d97f704f38cdde34cf394876842b00ef3ede7359477302805cd3e0
