[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 master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffizx%2Fslay" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fizx/slay on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ebaa338a844b1219e19cb4545d210696f5d8721e13cb6b20844ba34c30bd41
[INFO] running `Command { std: "docker" "start" "-a" "a9ebaa338a844b1219e19cb4545d210696f5d8721e13cb6b20844ba34c30bd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ebaa338a844b1219e19cb4545d210696f5d8721e13cb6b20844ba34c30bd41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ebaa338a844b1219e19cb4545d210696f5d8721e13cb6b20844ba34c30bd41", kill_on_drop: false }`
[INFO] [stdout] a9ebaa338a844b1219e19cb4545d210696f5d8721e13cb6b20844ba34c30bd41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8f54dcf9d9f253f75faff90f71e2b1d3a643adce29e0f6f08ce246c561082a9
[INFO] running `Command { std: "docker" "start" "-a" "a8f54dcf9d9f253f75faff90f71e2b1d3a643adce29e0f6f08ce246c561082a9", 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)]` 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)]` 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 0.42s
[INFO] running `Command { std: "docker" "inspect" "a8f54dcf9d9f253f75faff90f71e2b1d3a643adce29e0f6f08ce246c561082a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f54dcf9d9f253f75faff90f71e2b1d3a643adce29e0f6f08ce246c561082a9", kill_on_drop: false }`
[INFO] [stdout] a8f54dcf9d9f253f75faff90f71e2b1d3a643adce29e0f6f08ce246c561082a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69acb06dde7cb7dbbd822403119cfa24be68f6fd14d1d84ada4ec8835abf44c1
[INFO] running `Command { std: "docker" "start" "-a" "69acb06dde7cb7dbbd822403119cfa24be68f6fd14d1d84ada4ec8835abf44c1", 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)]` 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)]` 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "69acb06dde7cb7dbbd822403119cfa24be68f6fd14d1d84ada4ec8835abf44c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69acb06dde7cb7dbbd822403119cfa24be68f6fd14d1d84ada4ec8835abf44c1", kill_on_drop: false }`
[INFO] [stdout] 69acb06dde7cb7dbbd822403119cfa24be68f6fd14d1d84ada4ec8835abf44c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7c1c67311ff3abc0fc2c4fdcc815521cbde8eb9ca440b510ec89421914906dd
[INFO] running `Command { std: "docker" "start" "-a" "f7c1c67311ff3abc0fc2c4fdcc815521cbde8eb9ca440b510ec89421914906dd", 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)]` 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)]` 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
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/slay-69014e1d7ea2fdcc)
[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' 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:     0x5dce285994c2 - std::backtrace_rs::backtrace::libunwind::trace::h73a647620bf1c49d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dce285994c2 - std::backtrace_rs::backtrace::trace_unsynchronized::hd4d513ed96cb3cb1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dce285994c2 - std::sys::backtrace::_print_fmt::h61bb95f7476aafa5
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5dce285994c2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha2e7e3a01df69042
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5dce285be583 - core::fmt::rt::Argument::fmt::hf14163372f0f9a76
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5dce285be583 - core::fmt::write::h7cb8f63788cd01d2
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr] error: test failed, to rerun pass `--bin slay`
[INFO] [stdout]    6:     0x5dce28596453 - std::io::default_write_fmt::h9ed739ccee8a150c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5dce28596453 - std::io::Write::write_fmt::h1c0a32da913b32f1
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5dce28599312 - std::sys::backtrace::BacktraceLock::print::h3ec4d7883eb25e61
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5dce2859aa2c - std::panicking::default_hook::{{closure}}::h29548987efd832cb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5dce2859a882 - std::panicking::default_hook::ha25170a15c643514
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5dce285629a4 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h562adeecbf43c420
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5dce285629a4 - test::test_main_with_exit_callback::{{closure}}::h97dd2a879d27e0e4
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5dce2859b40b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7e85cbdbda26fdb7
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5dce2859b40b - std::panicking::rust_panic_with_hook::h0d81afcd829aa24b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5dce2859b1da - std::panicking::begin_panic_handler::{{closure}}::hc84a33f1202346cf
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5dce285999b9 - std::sys::backtrace::__rust_end_short_backtrace::h373067a14f6c59aa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5dce2859ae6d - __rustc[beb0385846a06d21]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5dce285bd100 - core::panicking::panic_fmt::ha33fa2ae772efba9
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5dce285bd367 - core::panicking::assert_failed_inner::h6a89cd271393c011
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5dce2857c0a2 - core::panicking::assert_failed::hf134d23c5ff8f151
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5dce2852894f - slay::node::tests::test_natural_size::he64c1e93b1ab27e2
[INFO] [stdout]   22:     0x5dce2852894f - slay::node::tests::test_natural_size::{{closure}}::hce112ef4942fc6a6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/node.rs:244:27
[INFO] [stdout]   23:     0x5dce2852894f - core::ops::function::FnOnce::call_once::hea2629c31258eb3b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5dce285680db - core::ops::function::FnOnce::call_once::hf84b9c3d864a6959
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dce285680db - test::__rust_begin_short_backtrace::h5724e31441c16fcb
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5dce2856731e - test::run_test_in_process::{{closure}}::hbc28c9aa91793d7d
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5dce2856731e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc17b0e238c0f8f3e
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5dce2856731e - std::panicking::catch_unwind::do_call::hcdbce0d6dd6c83ce
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5dce2856731e - std::panicking::catch_unwind::h9477967ceea044e8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5dce2856731e - std::panic::catch_unwind::h616a2e249da12e16
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5dce2856731e - test::run_test_in_process::h2758deb0f2e54430
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5dce2856731e - test::run_test::{{closure}}::habe5cd2564b18aaa
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5dce2852aec4 - test::run_test::{{closure}}::h9a0a6928f1a15421
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5dce2852aec4 - std::sys::backtrace::__rust_begin_short_backtrace::hd68b5332434a22ca
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5dce2852e86a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h264ddcc3098eacae
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5dce2852e86a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9fa39489749d6f3c
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5dce2852e86a - std::panicking::catch_unwind::do_call::hb9a1944b9f85100f
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5dce2852e86a - std::panicking::catch_unwind::h0c6f100786c0dad8
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5dce2852e86a - std::panic::catch_unwind::hf6084e2723385823
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5dce2852e86a - std::thread::Builder::spawn_unchecked_::{{closure}}::hf0af58ce658143ad
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5dce2852e86a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h88a14f9b2e79f9de
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5dce2859e367 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf31256ba38644b65
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5dce2859e367 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h100ad77f3448041b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5dce2859e367 - std::sys::pal::unix::thread::Thread::new::thread_start::h1a22ded422ce395b
[INFO] [stdout]                                at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x7945c694faa4 - <unknown>
[INFO] [stdout]   46:     0x7945c69dca34 - clone
[INFO] [stdout]   47:                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 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7c1c67311ff3abc0fc2c4fdcc815521cbde8eb9ca440b510ec89421914906dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c1c67311ff3abc0fc2c4fdcc815521cbde8eb9ca440b510ec89421914906dd", kill_on_drop: false }`
[INFO] [stdout] f7c1c67311ff3abc0fc2c4fdcc815521cbde8eb9ca440b510ec89421914906dd
