[INFO] cloning repository https://github.com/fizx/slay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fizx/slay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffizx%2Fslay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffizx%2Fslay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c1331e40b0c54068d27b3f4e69ccdbbb35dec09
[INFO] testing fizx/slay against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffizx%2Fslay" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fizx/slay
[INFO] finished tweaking git repo https://github.com/fizx/slay
[INFO] tweaked toml for git repo https://github.com/fizx/slay written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fizx/slay on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fizx/slay 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a02cdfecc39801d9b9e973d88a449a65961360e947798cb68ae4d9ab4055abdf
[INFO] running `Command { std: "docker" "start" "-a" "a02cdfecc39801d9b9e973d88a449a65961360e947798cb68ae4d9ab4055abdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02cdfecc39801d9b9e973d88a449a65961360e947798cb68ae4d9ab4055abdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02cdfecc39801d9b9e973d88a449a65961360e947798cb68ae4d9ab4055abdf", kill_on_drop: false }`
[INFO] [stdout] a02cdfecc39801d9b9e973d88a449a65961360e947798cb68ae4d9ab4055abdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd2a4d57d1c67e1325ea661769a6f5399249d09a01b4c558704de681ee1a2876
[INFO] running `Command { std: "docker" "start" "-a" "fd2a4d57d1c67e1325ea661769a6f5399249d09a01b4c558704de681ee1a2876", kill_on_drop: false }`
[INFO] [stderr]    Compiling slay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/node.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn compute_layout(&mut self, context: &context::Context) {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Context` is never constructed
[INFO] [stdout]  --> src/context.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Context {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `as_minimum`, `child_context`, `pixelize_width`, and `pixelize_height` are never used
[INFO] [stdout]   --> src/context.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Context {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(root_width: FixedScalar, root_height: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn as_minimum(&self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn child_context(&self, node: &Node) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn pixelize_width(&self, value: Scalar) -> FixedScalar {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub fn pixelize_height(&self, value: Scalar) -> FixedScalar {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_node_fixture` is never used
[INFO] [stdout]  --> src/fixtures.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn single_node_fixture() -> Node {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vertical_stack_fixture` is never used
[INFO] [stdout]  --> src/fixtures.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn vertical_stack_fixture() -> Node {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `horizontal_stack_fixture` is never used
[INFO] [stdout]   --> src/fixtures.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn horizontal_stack_fixture() -> Node {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_layout_fixture` is never used
[INFO] [stdout]   --> src/fixtures.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn nested_layout_fixture() -> Node {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vertical_stretch_layout_fixture` is never used
[INFO] [stdout]   --> src/fixtures.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn vertical_stretch_layout_fixture() -> Node {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `children`, `style`, `computed`, `min_size`, `dirty`, and `measure` are never read
[INFO] [stdout]   --> src/node.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub struct Node {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout]  6 |     pub children: Vec<Node>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]  7 |     pub style: Style,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  8 |     pub computed: Rectangle,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]  9 |     min_size: Size,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     dirty: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 11 |     measure: Option<Box<dyn Fn() -> Size>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `compute_layout`, `minimum_size`, `compute_self`, and `compute_size` are never used
[INFO] [stdout]   --> src/node.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 15 |     pub fn compute_layout(&mut self, context: &context::Context) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn minimum_size(&mut self, context: &context::Context) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn compute_self(&mut self) -> Rectangle {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn compute_size(&mut self, context: context::Context) -> Size {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/node.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn add_child(mut self, child: Node) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn remove_child(&mut self, index: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn get_child(&self, index: usize) -> Option<&Node> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn get_child_mut(&mut self, index: usize) -> Option<&mut Node> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn set_style(&mut self, style: Style) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn set_measure(&mut self, measure: Box<dyn Fn() -> Size>) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn mark_dirty(&mut self, deep: bool) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/node.rs:159:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 159 |     pub fn width(mut self, width: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn height(mut self, height: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn min_width(mut self, min_width: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn max_width(mut self, max_width: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub fn min_height(mut self, min_height: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     pub fn max_height(mut self, max_height: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn padding(mut self, padding: FixedScalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn gap(mut self, gap: FixedScalar) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn align(mut self, align: Align) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     pub fn anchor(mut self, anchor: Align) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn direction(mut self, direction: Direction) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/style.rs:4:9
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub struct Style {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  4 |     pub width: Option<Scalar>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]  5 |     pub height: Option<Scalar>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]  6 |     pub min_width: Option<Scalar>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]  7 |     pub max_width: Option<Scalar>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]  8 |     pub min_height: Option<Scalar>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]  9 |     pub max_height: Option<Scalar>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 10 |     pub padding: Option<FixedScalar>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 11 |     pub gap: Option<FixedScalar>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 12 |     pub align: Option<Align>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |     pub anchor: Option<Align>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 14 |     pub direction: Direction,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/style.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Style {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn width(mut self, width: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn height(mut self, height: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn min_width(mut self, min_width: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn max_width(mut self, max_width: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn min_height(mut self, min_height: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn max_height(mut self, max_height: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn padding(mut self, padding: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn gap(mut self, gap: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn align(mut self, align: Align) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn anchor(mut self, anchor: Align) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn direction(mut self, direction: Direction) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Px`, `Vh`, `Vw`, and `Percent` are never constructed
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum ScalarUnit {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 3 |     Px,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 4 |     Vh,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 5 |     Vw,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 6 |     Percent,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ScalarUnit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `X` and `Z` are never constructed
[INFO] [stdout]   --> src/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Direction {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 11 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     Y,
[INFO] [stdout] 13 |     Z,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Direction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Start`, `Center`, `End`, and `Wide` are never constructed
[INFO] [stdout]   --> src/types.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum HAlign {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 21 |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     Center,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 24 |     Wide,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HAlign` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Top`, `Center`, `Bottom`, and `Tall` are never constructed
[INFO] [stdout]   --> src/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum VAlign {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 29 |     Top,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     Center,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     Bottom,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Tall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VAlign` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HAlign`, `VAlign`, and `Both` are never constructed
[INFO] [stdout]   --> src/types.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Align {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 37 |     HAlign(HAlign),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     VAlign(VAlign),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     Both(HAlign, VAlign),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Align` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Rectangle {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn new(x: FixedScalar, y: FixedScalar, width: FixedScalar, height: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `add` are never used
[INFO] [stdout]   --> src/types.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Size {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn new(width: FixedScalar, height: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |     pub fn add(self, other: Self, direction: Direction) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "fd2a4d57d1c67e1325ea661769a6f5399249d09a01b4c558704de681ee1a2876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2a4d57d1c67e1325ea661769a6f5399249d09a01b4c558704de681ee1a2876", kill_on_drop: false }`
[INFO] [stdout] fd2a4d57d1c67e1325ea661769a6f5399249d09a01b4c558704de681ee1a2876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc2f9c2c1af2084ec02982f25272a0ab44c94f48756d15ad39a0c320d16e241a
[INFO] running `Command { std: "docker" "start" "-a" "fc2f9c2c1af2084ec02982f25272a0ab44c94f48756d15ad39a0c320d16e241a", kill_on_drop: false }`
[INFO] [stderr]    Compiling slay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/node.rs:15:38
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn compute_layout(&mut self, context: &context::Context) {
[INFO] [stdout]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `desired_width` and `desired_height` are never read
[INFO] [stdout]   --> src/context.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Context {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub(crate) desired_width: FixedScalar,
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub(crate) desired_height: FixedScalar,
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Context` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_node_fixture` is never used
[INFO] [stdout]  --> src/fixtures.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn single_node_fixture() -> Node {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vertical_stack_fixture` is never used
[INFO] [stdout]  --> src/fixtures.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn vertical_stack_fixture() -> Node {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `horizontal_stack_fixture` is never used
[INFO] [stdout]   --> src/fixtures.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn horizontal_stack_fixture() -> Node {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `compute_layout` and `compute_self` are never used
[INFO] [stdout]   --> src/node.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 15 |     pub fn compute_layout(&mut self, context: &context::Context) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn compute_self(&mut self) -> Rectangle {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_child`, `get_child`, `get_child_mut`, `set_style`, `set_measure`, and `mark_dirty` are never used
[INFO] [stdout]    --> src/node.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn remove_child(&mut self, index: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub fn get_child(&self, index: usize) -> Option<&Node> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     pub fn get_child_mut(&mut self, index: usize) -> Option<&mut Node> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     pub fn set_style(&mut self, style: Style) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 138 |     pub fn set_measure(&mut self, measure: Box<dyn Fn() -> Size>) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |     pub fn mark_dirty(&mut self, deep: bool) -> &mut Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/node.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 156 | impl Node {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn min_width(mut self, min_width: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn max_width(mut self, max_width: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 183 |     pub fn min_height(mut self, min_height: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     pub fn max_height(mut self, max_height: Scalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn padding(mut self, padding: FixedScalar) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     pub fn gap(mut self, gap: FixedScalar) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub fn align(mut self, align: Align) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     pub fn anchor(mut self, anchor: Align) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     pub fn direction(mut self, direction: Direction) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `align` and `anchor` are never read
[INFO] [stdout]   --> src/style.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout]  3 | pub struct Style {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub align: Option<Align>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 13 |     pub anchor: Option<Align>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/style.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Style {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn min_width(mut self, min_width: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn max_width(mut self, max_width: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn min_height(mut self, min_height: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn max_height(mut self, max_height: Scalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn padding(mut self, padding: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn gap(mut self, gap: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn align(mut self, align: Align) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn anchor(mut self, anchor: Align) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn direction(mut self, direction: Direction) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `X` and `Z` are never constructed
[INFO] [stdout]   --> src/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Direction {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 11 |     X,
[INFO] [stdout]    |     ^
[INFO] [stdout] 12 |     Y,
[INFO] [stdout] 13 |     Z,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Direction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Start`, `Center`, `End`, and `Wide` are never constructed
[INFO] [stdout]   --> src/types.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum HAlign {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 21 |     Start,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     Center,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 23 |     End,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 24 |     Wide,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HAlign` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Top`, `Center`, `Bottom`, and `Tall` are never constructed
[INFO] [stdout]   --> src/types.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum VAlign {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 29 |     Top,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     Center,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     Bottom,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     Tall,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VAlign` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HAlign`, `VAlign`, and `Both` are never constructed
[INFO] [stdout]   --> src/types.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub enum Align {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 37 |     HAlign(HAlign),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 38 |     VAlign(VAlign),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 39 |     Both(HAlign, VAlign),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Align` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Rectangle {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn new(x: FixedScalar, y: FixedScalar, width: FixedScalar, height: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Size {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn new(width: FixedScalar, height: FixedScalar) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "fc2f9c2c1af2084ec02982f25272a0ab44c94f48756d15ad39a0c320d16e241a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2f9c2c1af2084ec02982f25272a0ab44c94f48756d15ad39a0c320d16e241a", kill_on_drop: false }`
[INFO] [stdout] fc2f9c2c1af2084ec02982f25272a0ab44c94f48756d15ad39a0c320d16e241a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd87b8df79f739839bd113b4d95ffffc7b183a53fd343dd5c64e81aeff1b862c
[INFO] running `Command { std: "docker" "start" "-a" "fd87b8df79f739839bd113b4d95ffffc7b183a53fd343dd5c64e81aeff1b862c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]   --> src/node.rs:15:38
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn compute_layout(&mut self, context: &context::Context) {
[INFO] [stderr]    |                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `desired_width` and `desired_height` are never read
[INFO] [stderr]   --> src/context.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr]  7 | pub struct Context {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub(crate) desired_width: FixedScalar,
[INFO] [stderr]    |                ^^^^^^^^^^^^^
[INFO] [stderr] 13 |     pub(crate) desired_height: FixedScalar,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Context` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `single_node_fixture` is never used
[INFO] [stderr]  --> src/fixtures.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn single_node_fixture() -> Node {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `vertical_stack_fixture` is never used
[INFO] [stderr]  --> src/fixtures.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn vertical_stack_fixture() -> Node {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `horizontal_stack_fixture` is never used
[INFO] [stderr]   --> src/fixtures.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn horizontal_stack_fixture() -> Node {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `compute_layout` and `compute_self` are never used
[INFO] [stderr]   --> src/node.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Node {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] 15 |     pub fn compute_layout(&mut self, context: &context::Context) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     pub fn compute_self(&mut self) -> Rectangle {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `remove_child`, `get_child`, `get_child_mut`, `set_style`, `set_measure`, and `mark_dirty` are never used
[INFO] [stderr]    --> src/node.rs:113:12
[INFO] [stderr]     |
[INFO] [stderr]  93 | impl Node {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 113 |     pub fn remove_child(&mut self, index: usize) {
[INFO] [stderr]     |            ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 121 |     pub fn get_child(&self, index: usize) -> Option<&Node> {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 126 |     pub fn get_child_mut(&mut self, index: usize) -> Option<&mut Node> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 131 |     pub fn set_style(&mut self, style: Style) -> &mut Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 138 |     pub fn set_measure(&mut self, measure: Box<dyn Fn() -> Size>) -> &mut Self {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |     pub fn mark_dirty(&mut self, deep: bool) -> &mut Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/node.rs:171:12
[INFO] [stderr]     |
[INFO] [stderr] 156 | impl Node {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 171 |     pub fn min_width(mut self, min_width: Scalar) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 177 |     pub fn max_width(mut self, max_width: Scalar) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 183 |     pub fn min_height(mut self, min_height: Scalar) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |     pub fn max_height(mut self, max_height: Scalar) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 195 |     pub fn padding(mut self, padding: FixedScalar) -> Self {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 |     pub fn gap(mut self, gap: FixedScalar) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 207 |     pub fn align(mut self, align: Align) -> Self {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 213 |     pub fn anchor(mut self, anchor: Align) -> Self {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 219 |     pub fn direction(mut self, direction: Direction) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `align` and `anchor` are never read
[INFO] [stderr]   --> src/style.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr]  3 | pub struct Style {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 12 |     pub align: Option<Align>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 13 |     pub anchor: Option<Align>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]   --> src/style.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | impl Style {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub fn min_width(mut self, min_width: Scalar) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     pub fn max_width(mut self, max_width: Scalar) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 56 |     pub fn min_height(mut self, min_height: Scalar) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 61 |     pub fn max_height(mut self, max_height: Scalar) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 66 |     pub fn padding(mut self, padding: FixedScalar) -> Self {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     pub fn gap(mut self, gap: FixedScalar) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn align(mut self, align: Align) -> Self {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     pub fn anchor(mut self, anchor: Align) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |     pub fn direction(mut self, direction: Direction) -> Self {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `X` and `Z` are never constructed
[INFO] [stderr]   --> src/types.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Direction {
[INFO] [stderr]    |          --------- variants in this enum
[INFO] [stderr] 11 |     X,
[INFO] [stderr]    |     ^
[INFO] [stderr] 12 |     Y,
[INFO] [stderr] 13 |     Z,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Direction` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Start`, `Center`, `End`, and `Wide` are never constructed
[INFO] [stderr]   --> src/types.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub enum HAlign {
[INFO] [stderr]    |          ------ variants in this enum
[INFO] [stderr] 21 |     Start,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 22 |     Center,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 23 |     End,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 24 |     Wide,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `HAlign` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Top`, `Center`, `Bottom`, and `Tall` are never constructed
[INFO] [stderr]   --> src/types.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum VAlign {
[INFO] [stderr]    |          ------ variants in this enum
[INFO] [stderr] 29 |     Top,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 30 |     Center,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 31 |     Bottom,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 32 |     Tall,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `VAlign` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `HAlign`, `VAlign`, and `Both` are never constructed
[INFO] [stderr]   --> src/types.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub enum Align {
[INFO] [stderr]    |          ----- variants in this enum
[INFO] [stderr] 37 |     HAlign(HAlign),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 38 |     VAlign(VAlign),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 39 |     Both(HAlign, VAlign),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Align` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/types.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl Rectangle {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn new(x: FixedScalar, y: FixedScalar, width: FixedScalar, height: FixedScalar) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/types.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 75 | impl Size {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 83 |     pub fn new(width: FixedScalar, height: FixedScalar) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `slay` (bin "slay" test) generated 16 warnings (run `cargo fix --bin "slay" -p slay --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/slay-9fb83c1f8bae7b94)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test node::tests::test_minimum_size ... ok
[INFO] [stdout] test node::tests::test_natural_size ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- node::tests::test_natural_size stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'node::tests::test_natural_size' (17) panicked at src/node.rs:252:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 100
[INFO] [stdout]  right: 1000
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56712e9072d2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56712e9072d2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56712e9072d2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x56712e9072d2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x56712e91710f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x56712e91710f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x56712e8d4da3 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56712e8d4da3 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x56712e8e0b42 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x56712e8e561f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x56712e8e54b1 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x56712e8a867e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x56712e8a867e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56712e8e5c2f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x56712e8e5c2f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x56712e8e5a8a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x56712e8e0c79 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x56712e8c956d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x56712e91e940 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56712e91e7e3 - core::panicking::assert_failed_inner::h865658b89c1b891d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x56712e8f4d5c - core::panicking::assert_failed::h43f4f60428f8360e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x56712e886780 - slay::node::tests::test_natural_size::ha70d97c2a5e81dc8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:252:9
[INFO] [stdout]   22:     0x56712e8867c7 - slay::node::tests::test_natural_size::{{closure}}::h9e9b42fbf216e835
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:244:27
[INFO] [stdout]   23:     0x56712e884bd6 - core::ops::function::FnOnce::call_once::h35fa8e6f46d90c8e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56712e8a847b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56712e8a847b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56712e8bc4dd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56712e8bc4dd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56712e8bc4dd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x56712e8bc4dd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x56712e8bc4dd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56712e8bc4dd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56712e8bc4dd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56712e895a24 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56712e895a24 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x56712e89927a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x56712e89927a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56712e89927a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x56712e89927a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x56712e89927a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56712e89927a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x56712e89927a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56712e8dc07f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x56712e8dc07f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x70cda7e37aa4 - <unknown>
[INFO] [stdout]   45:     0x70cda7ec4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     node::tests::test_natural_size
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin slay`
[INFO] running `Command { std: "docker" "inspect" "fd87b8df79f739839bd113b4d95ffffc7b183a53fd343dd5c64e81aeff1b862c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd87b8df79f739839bd113b4d95ffffc7b183a53fd343dd5c64e81aeff1b862c", kill_on_drop: false }`
[INFO] [stdout] fd87b8df79f739839bd113b4d95ffffc7b183a53fd343dd5c64e81aeff1b862c
