[INFO] updating cached repository IOuser/rust-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IOuser/rust-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IOuser/rust-wasm" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/IOuser/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/IOuser/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IOuser/rust-wasm" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/IOuser/rust-wasm"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/IOuser/rust-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15b796714c7625b60cb5dfe7006da43d915eb791
[INFO] sha for GitHub repo IOuser/rust-wasm: 15b796714c7625b60cb5dfe7006da43d915eb791
[INFO] validating manifest of IOuser/rust-wasm on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of IOuser/rust-wasm on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing IOuser/rust-wasm
[INFO] finished frobbing IOuser/rust-wasm
[INFO] frobbed toml for IOuser/rust-wasm written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/IOuser/rust-wasm/Cargo.toml
[INFO] started frobbing IOuser/rust-wasm
[INFO] finished frobbing IOuser/rust-wasm
[INFO] frobbed toml for IOuser/rust-wasm written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/IOuser/rust-wasm/Cargo.toml
[INFO] crate IOuser/rust-wasm has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] checking IOuser/rust-wasm against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-6/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/IOuser/rust-wasm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 673471c7cf3cdd9aabaa463dd287594858eef4fa9d711faf2cf1d734537565ef
[INFO] running `"docker" "start" "-a" "673471c7cf3cdd9aabaa463dd287594858eef4fa9d711faf2cf1d734537565ef"`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.25
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.25
[INFO] [stderr]     Checking wasm-bindgen v0.2.25
[INFO] [stderr]     Checking js-sys v0.3.2
[INFO] [stderr]     Checking console_error_panic_hook v0.1.5
[INFO] [stderr]     Checking rust-wasm-tests v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Timer`
[INFO] [stderr]   --> src/rust/timer.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Timer<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/timer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(name: &'a str) -> Timer<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/point.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(x: f32, y: f32) -> Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/rust/point.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn distance(&self, point: &Point) -> f32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `half_size`
[INFO] [stderr]   --> src/rust/aabb.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     half_size: HalfSize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/aabb.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn new(center: Point, half_size: HalfSize) -> AABB {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `subdivide`
[INFO] [stderr]   --> src/rust/aabb.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn subdivide(&self, side: AABBSide) -> AABB {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `intersects`
[INFO] [stderr]   --> src/rust/aabb.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn intersects(&self, other: &AABB) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `contains`
[INFO] [stderr]   --> src/rust/aabb.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn contains(&self, point: &Point) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/quad_tree.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(aabb: AABB) -> QuadTree {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `points`
[INFO] [stderr]   --> src/rust/quad_tree.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn points(&self) -> *const *const Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nw_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn nw_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ne_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn ne_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sw_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn sw_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `se_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn se_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert`
[INFO] [stderr]   --> src/rust/quad_tree.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn insert(&mut self, point: &Point) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/rust/particles.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/rust/particles.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `particles`
[INFO] [stderr]   --> src/rust/particles.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     particles: Vec<Particle>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/particles.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn new(width: u32, height: u32, particles_count: u32) -> ParticlesBox {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `particles`
[INFO] [stderr]   --> src/rust/particles.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn particles(&self) -> *const Particle {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tick`
[INFO] [stderr]   --> src/rust/particles.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn tick(&mut self, dt: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `trigger`
[INFO] [stderr]    --> src/rust/particles.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn trigger(&mut self, x: f32, y: f32) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         write!(f, "\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             write!(f, "  {:p}, empty: {}\n", self._nw, self._nw.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             write!(f, "  {:p}, empty: {}\n", self._ne, self._ne.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             write!(f, "  {:p}, empty: {}\n", self._sw, self._sw.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             write!(f, "  {:p}, empty: {}\n", self._se, self._se.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 write!(f, "{}", (*self._nw).len());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         write!(f, "\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/particles.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         write!(f, "particle: ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.2
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.25
[INFO] [stderr] warning: struct is never constructed: `Timer`
[INFO] [stderr]   --> src/rust/timer.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Timer<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/timer.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn new(name: &'a str) -> Timer<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `points`
[INFO] [stderr]   --> src/rust/quad_tree.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn points(&self) -> *const *const Point {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nw_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn nw_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ne_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn ne_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `sw_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn sw_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `se_len`
[INFO] [stderr]   --> src/rust/quad_tree.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn se_len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/rust/particles.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     width: u32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/rust/particles.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     height: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `particles`
[INFO] [stderr]   --> src/rust/particles.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     particles: Vec<Particle>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/rust/particles.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn new(width: u32, height: u32, particles_count: u32) -> ParticlesBox {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `particles`
[INFO] [stderr]   --> src/rust/particles.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn particles(&self) -> *const Particle {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tick`
[INFO] [stderr]   --> src/rust/particles.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn tick(&mut self, dt: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `trigger`
[INFO] [stderr]    --> src/rust/particles.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn trigger(&mut self, x: f32, y: f32) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:155:9
[INFO] [stderr]     |
[INFO] [stderr] 155 |         write!(f, "\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:164:13
[INFO] [stderr]     |
[INFO] [stderr] 164 |             write!(f, "  {:p}, empty: {}\n", self._nw, self._nw.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:165:13
[INFO] [stderr]     |
[INFO] [stderr] 165 |             write!(f, "  {:p}, empty: {}\n", self._ne, self._ne.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:166:13
[INFO] [stderr]     |
[INFO] [stderr] 166 |             write!(f, "  {:p}, empty: {}\n", self._sw, self._sw.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:167:13
[INFO] [stderr]     |
[INFO] [stderr] 167 |             write!(f, "  {:p}, empty: {}\n", self._se, self._se.is_null());
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 write!(f, "{}", (*self._nw).len());
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/rust/quad_tree.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         write!(f, "\n");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/rust/particles.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         write!(f, "particle: ");
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.00s
[INFO] running `"docker" "inspect" "673471c7cf3cdd9aabaa463dd287594858eef4fa9d711faf2cf1d734537565ef"`
[INFO] running `"docker" "rm" "-f" "673471c7cf3cdd9aabaa463dd287594858eef4fa9d711faf2cf1d734537565ef"`
[INFO] [stdout] 673471c7cf3cdd9aabaa463dd287594858eef4fa9d711faf2cf1d734537565ef