[INFO] updating cached repository emmanueltouzery/rustracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emmanueltouzery/rustracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emmanueltouzery/rustracer" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emmanueltouzery/rustracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emmanueltouzery/rustracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emmanueltouzery/rustracer" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emmanueltouzery/rustracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emmanueltouzery/rustracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 22b75f5ae14833039d2a89bc8f05cea9539588e6
[INFO] sha for GitHub repo emmanueltouzery/rustracer: 22b75f5ae14833039d2a89bc8f05cea9539588e6
[INFO] validating manifest of emmanueltouzery/rustracer on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emmanueltouzery/rustracer on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emmanueltouzery/rustracer
[INFO] finished frobbing emmanueltouzery/rustracer
[INFO] frobbed toml for emmanueltouzery/rustracer written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emmanueltouzery/rustracer/Cargo.toml
[INFO] started frobbing emmanueltouzery/rustracer
[INFO] finished frobbing emmanueltouzery/rustracer
[INFO] frobbed toml for emmanueltouzery/rustracer written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/emmanueltouzery/rustracer/Cargo.toml
[INFO] crate emmanueltouzery/rustracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking emmanueltouzery/rustracer against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/emmanueltouzery/rustracer:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1fc0af22e40397b67001593dc503df9aab42a9aa2a6ce2a72d60805edd780036
[INFO] running `"docker" "start" "-a" "1fc0af22e40397b67001593dc503df9aab42a9aa2a6ce2a72d60805edd780036"`
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking rs-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub material: &'a Material
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/shapes.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub material: &'a Material
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 |         sphere_material: &'a Material, t_range: &std::ops::Range<f32>) -> Option<HitRecord<'a>> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub material: Box<Material>
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub material: Box<Material>
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub albedo: Box<Texture>
[INFO] [stderr]    |                     ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |                        getter:&Fn(&V3)->f32) -> bool {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&V3)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub left: Box<Shape>,
[INFO] [stderr]    |                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub right: Box<Shape>,
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn compute_shapes_bvh(mut shapes: Vec<Box<Shape>>, t_range: &std::ops::Range<f32>) -> Box<Shape> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:91:99
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn compute_shapes_bvh(mut shapes: Vec<Box<Shape>>, t_range: &std::ops::Range<f32>) -> Box<Shape> {
[INFO] [stderr]    |                                                                                                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn build_bhv(left: Box<Shape>, right: Box<Shape>, 
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:116:47
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn build_bhv(left: Box<Shape>, right: Box<Shape>, 
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub odd: Box<Texture>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub even: Box<Texture>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub odd: Box<Texture>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub even: Box<Texture>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn closest_hit<'a>(objects: &'a [Box<Shape>], ray: &Ray, t_range: &std::ops::Range<f32>) -> Option<HitRecord<'a>> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn color_for_ray(objects: &[Box<Shape>], ray: &Ray, depth: i32) -> Color {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn _color_for_ray(objects: &[Box<Shape>], ray: &Ray, depth: i32) -> V3 {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:35
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn two_spheres_scene() -> Vec<Box<Shape>> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn scene() -> Vec<Box<Shape>> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut objects: Vec<Box<Shape>> = vec![
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:152:24
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let extra: Vec<Box<Shape>> = vec![
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub material: &'a Material
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/shapes.rs:20:23
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub material: &'a Material
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:33:30
[INFO] [stderr]    |
[INFO] [stderr] 33 |         sphere_material: &'a Material, t_range: &std::ops::Range<f32>) -> Option<HitRecord<'a>> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub material: Box<Material>
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shapes.rs:93:23
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub material: Box<Material>
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Material`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/material.rs:29:21
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub albedo: Box<Texture>
[INFO] [stderr]    |                     ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |                        getter:&Fn(&V3)->f32) -> bool {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&V3)->f32`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:64:19
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub left: Box<Shape>,
[INFO] [stderr]    |                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:65:20
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub right: Box<Shape>,
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:91:51
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn compute_shapes_bvh(mut shapes: Vec<Box<Shape>>, t_range: &std::ops::Range<f32>) -> Box<Shape> {
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bvh.rs:91:99
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn compute_shapes_bvh(mut shapes: Vec<Box<Shape>>, t_range: &std::ops::Range<f32>) -> Box<Shape> {
[INFO] [stderr]    |                                                                                                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:116:28
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn build_bhv(left: Box<Shape>, right: Box<Shape>, 
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bvh.rs:116:47
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn build_bhv(left: Box<Shape>, right: Box<Shape>, 
[INFO] [stderr]     |                                               ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub odd: Box<Texture>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:19:19
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub even: Box<Texture>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:38:18
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub odd: Box<Texture>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/texture.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub even: Box<Texture>
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Texture`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn closest_hit<'a>(objects: &'a [Box<Shape>], ray: &Ray, t_range: &std::ops::Range<f32>) -> Option<HitRecord<'a>> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:40:33
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn color_for_ray(objects: &[Box<Shape>], ray: &Ray, depth: i32) -> Color {
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:44:34
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn _color_for_ray(objects: &[Box<Shape>], ray: &Ray, depth: i32) -> V3 {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:35
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn two_spheres_scene() -> Vec<Box<Shape>> {
[INFO] [stderr]    |                                   ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:88:23
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn scene() -> Vec<Box<Shape>> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut objects: Vec<Box<Shape>> = vec![
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:152:24
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let extra: Vec<Box<Shape>> = vec![
[INFO] [stderr]     |                        ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `"docker" "inspect" "1fc0af22e40397b67001593dc503df9aab42a9aa2a6ce2a72d60805edd780036"`
[INFO] running `"docker" "rm" "-f" "1fc0af22e40397b67001593dc503df9aab42a9aa2a6ce2a72d60805edd780036"`
[INFO] [stdout] 1fc0af22e40397b67001593dc503df9aab42a9aa2a6ce2a72d60805edd780036