[INFO] fetching crate gfx_app 0.9.0...
[INFO] checking gfx_app-0.9.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate gfx_app 0.9.0 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate gfx_app 0.9.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx_app 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gfx_app 0.9.0
[INFO] tweaked toml for crates.io crate gfx_app 0.9.0 written to /workspace/builds/worker-43/source/Cargo.toml
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[INFO] [stdout] 0fc71ddf86a6ef5bfc7822f8718bcbcdf401a529798a7f7cfa82ddab8bb4722b
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[INFO] running `Command { std: "docker" "inspect" "0fc71ddf86a6ef5bfc7822f8718bcbcdf401a529798a7f7cfa82ddab8bb4722b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc71ddf86a6ef5bfc7822f8718bcbcdf401a529798a7f7cfa82ddab8bb4722b", kill_on_drop: false }`
[INFO] [stdout] 0fc71ddf86a6ef5bfc7822f8718bcbcdf401a529798a7f7cfa82ddab8bb4722b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea09eee843c9820b6421d2d9fbb87765742d79ae357d33b8f4efce6f58c750b4
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[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new<F>(&mut F, shade::Backend, WindowTargets<R>) -> Self where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]    |               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:99:23
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new<F>(&mut F, shade::Backend, WindowTargets<R>) -> Self where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: shade::Backend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:99:39
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new<F>(&mut F, shade::Backend, WindowTargets<R>) -> Self where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn render<D>(&mut self, &mut D) where D: gfx::Device<Resources = R, CommandBuffer = C>;
[INFO] [stdout]     |                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut D`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn on(&mut self, winit::WindowEvent);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: winit::WindowEvent`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_resize<F>(&mut self, &mut F, WindowTargets<R>) where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]     |                                ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_resize<F>(&mut self, &mut F, WindowTargets<R>) where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:409:32
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn new<F: gfx::Factory<R>>(&mut F, shade::Backend, WindowTargets<R>) -> Self;
[INFO] [stdout]     |                                ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:409:40
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn new<F: gfx::Factory<R>>(&mut F, shade::Backend, WindowTargets<R>) -> Self;
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: shade::Backend`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:409:56
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn new<F: gfx::Factory<R>>(&mut F, shade::Backend, WindowTargets<R>) -> Self;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:410:52
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn render<C: gfx::CommandBuffer<R>>(&mut self, &mut gfx::Encoder<R, C>);
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut gfx::Encoder<R, C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:415:29
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn on_resize(&mut self, WindowTargets<R>) {}
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new<F>(&mut F, shade::Backend, WindowTargets<R>) -> Self where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]    |               ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:99:23
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new<F>(&mut F, shade::Backend, WindowTargets<R>) -> Self where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: shade::Backend`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/lib.rs:99:39
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn new<F>(&mut F, shade::Backend, WindowTargets<R>) -> Self where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |     fn render<D>(&mut self, &mut D) where D: gfx::Device<Resources = R, CommandBuffer = C>;
[INFO] [stdout]     |                             ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut D`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:102:22
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn on(&mut self, winit::WindowEvent);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: winit::WindowEvent`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:103:32
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_resize<F>(&mut self, &mut F, WindowTargets<R>) where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]     |                                ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:103:40
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_resize<F>(&mut self, &mut F, WindowTargets<R>) where F: Factory<R, CommandBuffer = C>;
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:409:32
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn new<F: gfx::Factory<R>>(&mut F, shade::Backend, WindowTargets<R>) -> Self;
[INFO] [stdout]     |                                ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut F`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:409:40
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn new<F: gfx::Factory<R>>(&mut F, shade::Backend, WindowTargets<R>) -> Self;
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: shade::Backend`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:409:56
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn new<F: gfx::Factory<R>>(&mut F, shade::Backend, WindowTargets<R>) -> Self;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:410:52
[INFO] [stdout]     |
[INFO] [stdout] 410 |     fn render<C: gfx::CommandBuffer<R>>(&mut self, &mut gfx::Encoder<R, C>);
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut gfx::Encoder<R, C>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:415:29
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn on_resize(&mut self, WindowTargets<R>) {}
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: WindowTargets<R>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> examples/performance/main.rs:222:10
[INFO] [stdout]     |
[INFO] [stdout] 222 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/performance/main.rs:390:20
[INFO] [stdout]     |
[INFO] [stdout] 390 |     let mut r: Box<Renderer>;
[INFO] [stdout]     |                    ^^^^^^^^ help: use `dyn`: `dyn Renderer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Matrix4` is imported redundantly
[INFO] [stdout]    --> examples/skybox/main.rs:150:26
[INFO] [stdout]     |
[INFO] [stdout] 24  | use cgmath::{Deg, Matrix4};
[INFO] [stdout]     |                   ------- the item `Matrix4` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 150 |             use cgmath::{Matrix4, Point3, SquareMatrix, Vector3};
[INFO] [stdout]     |                          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Matrix4` is imported redundantly
[INFO] [stdout]    --> examples/render_target/main.rs:269:22
[INFO] [stdout]     |
[INFO] [stdout] 23  | use cgmath::{Deg, Matrix4};
[INFO] [stdout]     |                   ------- the item `Matrix4` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 269 |         use cgmath::{Matrix4, Point3, SquareMatrix, Vector3, vec3};
[INFO] [stdout]     |                      ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FactoryExt` is imported redundantly
[INFO] [stdout]    --> examples/ubo_tilemap/main.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | use gfx::traits::FactoryExt;
[INFO] [stdout]     |     ----------------------- the item `FactoryExt` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 406 |         use gfx::traits::FactoryExt;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `std::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]   --> examples/performance/main.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 | trait Renderer: Drop {
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.93s
[INFO] running `Command { std: "docker" "inspect" "ea09eee843c9820b6421d2d9fbb87765742d79ae357d33b8f4efce6f58c750b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea09eee843c9820b6421d2d9fbb87765742d79ae357d33b8f4efce6f58c750b4", kill_on_drop: false }`
[INFO] [stdout] ea09eee843c9820b6421d2d9fbb87765742d79ae357d33b8f4efce6f58c750b4
