[INFO] updating cached repository yggie/mach
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yggie/mach
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yggie/mach" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yggie/mach"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yggie/mach'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yggie/mach" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yggie/mach"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yggie/mach'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1c15026e0f31117d0d54ee6eeaeadd3e94a3d92
[INFO] sha for GitHub repo yggie/mach: b1c15026e0f31117d0d54ee6eeaeadd3e94a3d92
[INFO] validating manifest of yggie/mach on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yggie/mach on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yggie/mach
[INFO] finished frobbing yggie/mach
[INFO] frobbed toml for yggie/mach written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/yggie/mach/Cargo.toml
[INFO] started frobbing yggie/mach
[INFO] finished frobbing yggie/mach
[INFO] frobbed toml for yggie/mach written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yggie/mach/Cargo.toml
[INFO] crate yggie/mach already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yggie/mach against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/yggie/mach:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f1b6b8e7d9c6a14b538c36a63544e60e1037046e1cb6c7f56bf398d77f14ff3e
[INFO] running `"docker" "start" "-a" "f1b6b8e7d9c6a14b538c36a63544e60e1037046e1cb6c7f56bf398d77f14ff3e"`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.3
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking mach v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<T>> + 'a>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<T>> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mach_world.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<MachBody<E>>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<MachBody<E>>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/custom_world.rs:69:55
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn rigid_bodies_iter_mut<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/custom_world.rs:95:41
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/maths/lcp.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type ValueConstraint = Fn(&LCP, Scalar) -> Scalar;
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&LCP, Scalar) -> Scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/dynamics/fixed_body_def.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub shape: Box<ConvexShape>,
[INFO] [stderr]   |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dynamics/rigid_body_def.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub shape: Box<ConvexShape>,
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/body.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn shape(&self) -> &ConvexShape {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/body_def.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub shape: Box<ConvexShape>,
[INFO] [stderr]   |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/body_data.rs:47:29
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn shape(&self) -> &ConvexShape {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/collision_data.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |     shape: Box<ConvexShape>,
[INFO] [stderr]   |                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(shape: Box<ConvexShape>, transform: Transform) -> CollisionData {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:21:29
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn shape(&self) -> &ConvexShape {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:55:71
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn support_points_iter<'a>(&'a self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_object.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn shape(&self) -> &ConvexShape;
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/shapes/support_map.rs:9:71
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn support_points_iter<'a>(&'a self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a>;
[INFO] [stderr]   |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/support_map.rs:26:80
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn boundary_support_points_iter<'a>(&'a self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/support_map.rs:92:77
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn support_points_iter<'a>(&'a self, input_direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/_2d/polygon.rs:95:44
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn edges_iter<'a>(&'a self) -> Box<Iterator<Item=Edge2D<'a>> + 'a> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Edge2D<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/_2d/polygon.rs:104:56
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn separating_planes_iter<'a>(&'a self) -> Box<Iterator<Item=Plane2D> + 'a> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Plane2D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/_2d/polygon.rs:108:66
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn separating_edges_and_planes_iter<'a>(&'a self) -> Box<Iterator<Item=(Edge2D<'a>, Plane2D)> + 'a> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Edge2D<'a>, Plane2D)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/convex_shapes/cuboid.rs:106:43
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/convex_shapes/cuboid.rs:137:32
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn box_clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/sphere.rs:67:43
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/sphere.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn box_clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a>;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn box_clone(&self) -> Box<ConvexShape>;
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl Clone for Box<ConvexShape> {
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:52:25
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl SupportMap for Box<ConvexShape> {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:53:71
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn support_points_iter<'b>(&'b self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'b> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/triangle_mesh.rs:94:43
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/convex_shapes/triangle_mesh.rs:126:32
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn box_clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_polyhedron.rs:62:47
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=&Vec3D> + 'a> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_polyhedron.rs:66:52
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn triangulation_iter<'a>(&'a self) -> Box<Iterator<Item=&[usize; 3]> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&[usize; 3]> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_polyhedron.rs:70:44
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn faces_iter<'a>(&'a self) -> Box<Iterator<Item=Face<'a>> + 'a> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Face<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vec3D`
[INFO] [stderr]  --> src/collisions/detection/gjkepa/gjk.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use maths::{Approximations, Vec3D};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/detection/gjkepa/gjk_simplex.rs:52:89
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn separating_planes_with_index_of_out_of_plane_point_iter<'a>(&'a self) -> Box<Iterator<Item=(usize, Plane)> + 'a> {
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(usize, Plane)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/detection/gjkepa/minkowski_difference.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn support_points_iter<'b>(&'b self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'b> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/broadphase/broadphase.rs:7:49
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn close_proximity_pairs_iter(&self) -> Box<Iterator<Item=CloseProximityPair<B>>>;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=CloseProximityPair<B>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/broadphase/broadphase.rs:8:49
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn cast_ray<'a>(&'a self, ray: &Ray) -> Box<Iterator<Item=Ref<B>> + 'a>;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<B>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:35:52
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn foreground_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:39:56
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn foreground_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:43:53
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn foreground_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:47:53
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn environment_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:51:57
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn environment_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:55:54
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn environment_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:65:49
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn close_proximity_pairs_iter(&self) -> Box<Iterator<Item=CloseProximityPair<O>>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=CloseProximityPair<O>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:97:49
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cast_ray<'a>(&'a self, ray: &Ray) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/collisionobjectspace/collision_object_space.rs:9:52
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn foreground_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a>;
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:10:56
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn foreground_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a>;
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:11:53
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn foreground_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a>;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:12:53
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn environment_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a>;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:13:57
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn environment_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a>;
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:14:54
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn environment_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a>;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:16:41
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn bodies_iter_mut<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:41:52
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn foreground_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn foreground_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:49:53
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn foreground_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:53:53
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn environment_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:57:57
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn environment_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn environment_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr] warning: unused variable: `sphere`
[INFO] [stderr]  --> src/collisions/shapes/convex_shapes/intersections/ray_sphere_intersection.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn intersection(&self, sphere: &Sphere) -> Option<Self::Output> {
[INFO] [stderr]   |                            ^^^^^^ help: consider prefixing with an underscore: `_sphere`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:97:31
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cast_ray<'a>(&'a self, ray: &Ray) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                               ^^^ help: consider prefixing with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr] warning[E0502]: cannot borrow `*target` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/dynamics/integrators/semi_implicit_euler.rs:21:38
[INFO] [stderr]    |
[INFO] [stderr] 21 |         *target.translation_mut() += target.velocity() * t;
[INFO] [stderr]    |         -----------------------------^^^^^^---------------
[INFO] [stderr]    |         ||                           |
[INFO] [stderr]    |         ||                           immutable borrow occurs here
[INFO] [stderr]    |         |mutable borrow occurs here
[INFO] [stderr]    |         mutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking nalgebra v0.10.1
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr] warning: unused import: `CollisionObjectSpace`
[INFO] [stderr]  --> examples/ray_tracing_demo.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use mach::{CollisionObjectSpace, DynamicBody, MachWorld, UnitVec3D, Vec3D, World};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/support/../../support/simulation.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn setup(&mut self, _world: &mut mach::World<mach::MachBody<()>>) -> Result<(), String> {
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/../../support/simulation.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn update(&mut self, _world: &mut mach::World<mach::MachBody<()>>) -> Result<Vec<mach::collisions::Contact<mach::MachBody<()>>>, String>;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/examples_window.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |     world_constructor: Box<Fn() -> Box<ExampleWorld>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<ExampleWorld>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/support/examples_runner.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub world_constructor: Box<Fn() -> Box<ExampleWorld>>,
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<ExampleWorld>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/examples_renderer.rs:41:58
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn render<S>(&mut self, surface: &mut S, world: &mach::World<mach::MachBody<()>>, frame_metadata: &FrameMetadata, env: &SceneEnv) -> Result<(), String> where S: glium::Surface {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/support/examples_renderer.rs:182:63
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn generate_new_instance(&mut self, id: mach::ID, shape: &mach::ConvexShape) -> Instance {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/mod.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type ExampleWorld = mach::World<mach::MachBody<()>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/two_colliding_cubes.rs:16:37
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn setup(&mut self, world: &mut mach::World<mach::MachBody<()>>) -> Result<(), String> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/two_colliding_cubes.rs:37:38
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn update(&mut self, world: &mut mach::World<mach::MachBody<()>>) -> Result<Vec<mach::collisions::Contact<mach::MachBody<()>>>, String> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/support/../../support/simulation.rs:6:38
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn setup(&mut self, _world: &mut mach::World<mach::MachBody<()>>) -> Result<(), String> {
[INFO] [stderr]   |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/../../support/simulation.rs:10:39
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn update(&mut self, _world: &mut mach::World<mach::MachBody<()>>) -> Result<Vec<mach::collisions::Contact<mach::MachBody<()>>>, String>;
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/examples_window.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 |     world_constructor: Box<Fn() -> Box<ExampleWorld>>,
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<ExampleWorld>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/support/examples_runner.rs:9:32
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub world_constructor: Box<Fn() -> Box<ExampleWorld>>,
[INFO] [stderr]   |                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> Box<ExampleWorld>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/examples_renderer.rs:41:58
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn render<S>(&mut self, surface: &mut S, world: &mach::World<mach::MachBody<()>>, frame_metadata: &FrameMetadata, env: &SceneEnv) -> Result<(), String> where S: glium::Surface {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/support/examples_renderer.rs:182:63
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn generate_new_instance(&mut self, id: mach::ID, shape: &mach::ConvexShape) -> Instance {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/support/mod.rs:33:25
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type ExampleWorld = mach::World<mach::MachBody<()>>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/dropped_cube.rs:19:37
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn setup(&mut self, world: &mut mach::World<mach::MachBody<()>>) -> Result<(), String> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/dropped_cube.rs:80:38
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn update(&mut self, world: &mut mach::World<mach::MachBody<()>>) -> Result<Vec<mach::collisions::Contact<mach::MachBody<()>>>, String> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn mach::World<mach::MachBody<()>>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/./../tests/support/assert_properties_for_actions.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / macro_rules! assert_properties {
[INFO] [stderr] 4 | |     (target: $target:expr, actions: $actions:expr, properties: $properties:expr,) => {
[INFO] [stderr] 5 | |         assert_properties_for_actions($target, $actions, $properties);
[INFO] [stderr] 6 | |     };
[INFO] [stderr] 7 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/./../tests/support/assert_properties_for_actions.rs:9:94
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn assert_properties_for_actions<A, T>(mut target: T, actions: Vec<A>, properties: &[Box<Property<T, Action=A>>]) where A: Action<T> {
[INFO] [stderr]   |                                                                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Property<T, Action=A>`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/./../tests/support/assert_properties_for_actions.rs:12:38
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let property_checks: Vec<Box<PropertyCheck<T>>> = properties.iter()
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PropertyCheck<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/./../tests/support/property.rs:6:85
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn property_check_for(&self, instance: &T, action: &Self::Action) -> Option<Box<PropertyCheck<T>>>;
[INFO] [stderr]   |                                                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PropertyCheck<T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/world.rs:11:41
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<T>> + 'a>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<T>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mach_world.rs:44:41
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<MachBody<E>>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<MachBody<E>>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/custom_world.rs:69:55
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn rigid_bodies_iter_mut<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/custom_world.rs:95:41
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/maths/lcp.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type ValueConstraint = Fn(&LCP, Scalar) -> Scalar;
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&LCP, Scalar) -> Scalar`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/dynamics/fixed_body_def.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub shape: Box<ConvexShape>,
[INFO] [stderr]   |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dynamics/rigid_body_def.rs:10:20
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub shape: Box<ConvexShape>,
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/body.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn shape(&self) -> &ConvexShape {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/body_def.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub shape: Box<ConvexShape>,
[INFO] [stderr]   |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/body_data.rs:47:29
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn shape(&self) -> &ConvexShape {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/collision_data.rs:8:16
[INFO] [stderr]   |
[INFO] [stderr] 8 |     shape: Box<ConvexShape>,
[INFO] [stderr]   |                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:13:27
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(shape: Box<ConvexShape>, transform: Transform) -> CollisionData {
[INFO] [stderr]    |                           ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:21:29
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn shape(&self) -> &ConvexShape {
[INFO] [stderr]    |                             ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:45:47
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_data.rs:55:71
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn support_points_iter<'a>(&'a self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collision_object.rs:18:25
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn shape(&self) -> &ConvexShape;
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/shapes/support_map.rs:9:71
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn support_points_iter<'a>(&'a self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a>;
[INFO] [stderr]   |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/support_map.rs:26:80
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn boundary_support_points_iter<'a>(&'a self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/support_map.rs:92:77
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn support_points_iter<'a>(&'a self, input_direction: Direction) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/_2d/polygon.rs:95:44
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn edges_iter<'a>(&'a self) -> Box<Iterator<Item=Edge2D<'a>> + 'a> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Edge2D<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/_2d/polygon.rs:104:56
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn separating_planes_iter<'a>(&'a self) -> Box<Iterator<Item=Plane2D> + 'a> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Plane2D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/_2d/polygon.rs:108:66
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn separating_edges_and_planes_iter<'a>(&'a self) -> Box<Iterator<Item=(Edge2D<'a>, Plane2D)> + 'a> {
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(Edge2D<'a>, Plane2D)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/../../../../tests/collisions/shapes/convex_shapes/cuboid_test.rs:67:74
[INFO] [stderr]    |
[INFO] [stderr] 67 |         quickcheck_expect!(support_map_behaviour(Box::new(cuboid) as Box<ConvexShape>, direction));
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/convex_shapes/cuboid.rs:106:43
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/convex_shapes/cuboid.rs:137:32
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn box_clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/shapes/convex_shapes/../../../../tests/collisions/shapes/convex_shapes/sphere_test.rs:9:74
[INFO] [stderr]   |
[INFO] [stderr] 9 |         quickcheck_expect!(support_map_behaviour(Box::new(sphere) as Box<ConvexShape>, direction));
[INFO] [stderr]   |                                                                          ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/sphere.rs:67:43
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/sphere.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn box_clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:26:43
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a>;
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn box_clone(&self) -> Box<ConvexShape>;
[INFO] [stderr]    |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 | impl Clone for Box<ConvexShape> {
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:47:28
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]    |                            ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:52:25
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl SupportMap for Box<ConvexShape> {
[INFO] [stderr]    |                         ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_shape.rs:53:71
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn support_points_iter<'b>(&'b self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'b> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/triangle_mesh.rs:94:43
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=Vec3D> + 'a> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/collisions/shapes/convex_shapes/triangle_mesh.rs:126:32
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn box_clone(&self) -> Box<ConvexShape> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn ConvexShape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_polyhedron.rs:62:47
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn vertices_iter<'a>(&'a self) -> Box<Iterator<Item=&Vec3D> + 'a> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Vec3D> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_polyhedron.rs:66:52
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn triangulation_iter<'a>(&'a self) -> Box<Iterator<Item=&[usize; 3]> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&[usize; 3]> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/shapes/convex_shapes/convex_polyhedron.rs:70:44
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn faces_iter<'a>(&'a self) -> Box<Iterator<Item=Face<'a>> + 'a> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Face<'a>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Approximations` is imported redundantly
[INFO] [stderr]    --> src/collisions/detection/gjkepa/../../../../tests/collisions/detection/gjkepa/epa_test.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 6   | use maths::{Approximations, Transform, UnitQuat, Vec3D};
[INFO] [stderr]     |             -------------- the item `Approximations` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 122 |     use maths::Approximations;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Vec3D`
[INFO] [stderr]  --> src/collisions/detection/gjkepa/gjk.rs:2:29
[INFO] [stderr]   |
[INFO] [stderr] 2 | use maths::{Approximations, Vec3D};
[INFO] [stderr]   |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/detection/gjkepa/gjk_simplex.rs:52:89
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn separating_planes_with_index_of_out_of_plane_point_iter<'a>(&'a self) -> Box<Iterator<Item=(usize, Plane)> + 'a> {
[INFO] [stderr]    |                                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=(usize, Plane)> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/detection/gjkepa/minkowski_difference.rs:19:71
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn support_points_iter<'b>(&'b self, direction: Direction) -> Box<Iterator<Item=Vec3D> + 'b> {
[INFO] [stderr]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Vec3D> + 'b`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/broadphase/broadphase.rs:7:49
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn close_proximity_pairs_iter(&self) -> Box<Iterator<Item=CloseProximityPair<B>>>;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=CloseProximityPair<B>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/broadphase/broadphase.rs:8:49
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn cast_ray<'a>(&'a self, ray: &Ray) -> Box<Iterator<Item=Ref<B>> + 'a>;
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<B>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:35:52
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn foreground_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:39:56
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn foreground_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:43:53
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn foreground_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:47:53
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn environment_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:51:57
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn environment_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:55:54
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn environment_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:65:49
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn close_proximity_pairs_iter(&self) -> Box<Iterator<Item=CloseProximityPair<O>>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=CloseProximityPair<O>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:97:49
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cast_ray<'a>(&'a self, ray: &Ray) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/collisions/collisionobjectspace/collision_object_space.rs:9:52
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn foreground_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a>;
[INFO] [stderr]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:10:56
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn foreground_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a>;
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:11:53
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn foreground_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a>;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:12:53
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn environment_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a>;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:13:57
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn environment_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a>;
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:14:54
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn environment_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a>;
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:16:41
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/collision_object_space.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn bodies_iter_mut<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:41:52
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn foreground_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:45:56
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn foreground_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:49:53
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn foreground_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:53:53
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn environment_bodies_iter<'a>(&'a self) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=Ref<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:57:57
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn environment_bodies_mut_iter<'a>(&'a self) -> Box<Iterator<Item=RefMut<O>> + 'a> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=RefMut<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/collisions/collisionobjectspace/mach_collision_object_space.rs:61:54
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn environment_handles_iter<'a>(&'a self) -> Box<Iterator<Item=&Handle<O>> + 'a> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Handle<O>> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `color`
[INFO] [stderr]  --> examples/raytracing/point_light.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     color: Color,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `position`
[INFO] [stderr]  --> examples/raytracing/point_light.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     position: Vec3D,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `color`
[INFO] [stderr]  --> examples/raytracing/directional_light.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     color: Color,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `direction`
[INFO] [stderr]  --> examples/raytracing/directional_light.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     direction: UnitVec3D,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `point_lights`
[INFO] [stderr]   --> examples/ray_tracing_demo.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     point_lights: Vec<PointLight>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `max_ray_bounces`
[INFO] [stderr]   --> examples/ray_tracing_demo.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     max_ray_bounces: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `directional_lights`
[INFO] [stderr]   --> examples/ray_tracing_demo.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     directional_lights: Vec<DirectionalLight>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sphere`
[INFO] [stderr]  --> src/collisions/shapes/convex_shapes/intersections/ray_sphere_intersection.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn intersection(&self, sphere: &Sphere) -> Option<Self::Output> {
[INFO] [stderr]   |                            ^^^^^^ help: consider prefixing with an underscore: `_sphere`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/collisions/broadphase/brute_force_broadphase.rs:97:31
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cast_ray<'a>(&'a self, ray: &Ray) -> Box<Iterator<Item=Ref<O>> + 'a> {
[INFO] [stderr]    |                               ^^^ help: consider prefixing with an underscore: `_ray`
[INFO] [stderr] 
[INFO] [stderr] warning[E0502]: cannot borrow `*target` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> src/dynamics/integrators/semi_implicit_euler.rs:21:38
[INFO] [stderr]    |
[INFO] [stderr] 21 |         *target.translation_mut() += target.velocity() * t;
[INFO] [stderr]    |         -----------------------------^^^^^^---------------
[INFO] [stderr]    |         ||                           |
[INFO] [stderr]    |         ||                           immutable borrow occurs here
[INFO] [stderr]    |         |mutable borrow occurs here
[INFO] [stderr]    |         mutable borrow later used here
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `"docker" "inspect" "f1b6b8e7d9c6a14b538c36a63544e60e1037046e1cb6c7f56bf398d77f14ff3e"`
[INFO] running `"docker" "rm" "-f" "f1b6b8e7d9c6a14b538c36a63544e60e1037046e1cb6c7f56bf398d77f14ff3e"`
[INFO] [stdout] f1b6b8e7d9c6a14b538c36a63544e60e1037046e1cb6c7f56bf398d77f14ff3e