[INFO] cloning repository https://github.com/wu1274704958/sdl_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wu1274704958/sdl_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwu1274704958%2Fsdl_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwu1274704958%2Fsdl_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9659ff6231b5e9376c14ff596d6137fb87a68c2e
[INFO] checking wu1274704958/sdl_game against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwu1274704958%2Fsdl_game" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wu1274704958/sdl_game on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wu1274704958/sdl_game
[INFO] finished tweaking git repo https://github.com/wu1274704958/sdl_game
[INFO] tweaked toml for git repo https://github.com/wu1274704958/sdl_game written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wu1274704958/sdl_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa50f113eb27569136913af47728cdb87d7404dfb50ba598ea83ef797f3cece
[INFO] running `Command { std: "docker" "start" "-a" "3fa50f113eb27569136913af47728cdb87d7404dfb50ba598ea83ef797f3cece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa50f113eb27569136913af47728cdb87d7404dfb50ba598ea83ef797f3cece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa50f113eb27569136913af47728cdb87d7404dfb50ba598ea83ef797f3cece", kill_on_drop: false }`
[INFO] [stdout] 3fa50f113eb27569136913af47728cdb87d7404dfb50ba598ea83ef797f3cece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 394dab8db4297d6ee99ba2a0cf9e70b9bc3e3b774bdb1b627a0000bb4b531eb9
[INFO] running `Command { std: "docker" "start" "-a" "394dab8db4297d6ee99ba2a0cf9e70b9bc3e3b774bdb1b627a0000bb4b531eb9", kill_on_drop: false }`
[INFO] [stderr]     Checking c_vec v1.3.1
[INFO] [stderr]    Compiling sdl_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]     Checking rand v0.5.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.31.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprite/mod.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     event_func : Option<Box<Fn(&Event,&Sprite)>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Sprite)`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprite/mod.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     update_func : Option<Box<Fn(f32,&Sprite)>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Sprite)`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprite/mod.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn setEventFunc(&mut self,f : Box<Fn(&Event,&Sprite)->()>)
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Sprite)->()`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sprite/mod.rs:101:44
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn setUpdateFunc(&mut self,f : Box<Fn(f32,&Sprite)->()>)
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Sprite)->()`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     event_func:Option<Box<Fn(&Event,&Plane)>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Plane)`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     update_func : Option<Box<Fn(f32,&Plane)>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Plane)`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn setEventFunc(&mut self,f : Box<Fn(&Event,&Plane)->()>)
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Plane)->()`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:60:44
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn setUpdateFunc(&mut self,f : Box<Fn(f32,&Plane)->()>)
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Plane)->()`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plane/mod.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |     update_func : Option<Box<Fn(f32,&Bullet)>>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Bullet)`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plane/mod.rs:169:44
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn setUpdateFunc(&mut self,f : Box<Fn(f32,&Bullet)->()>)
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Bullet)->()`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprite/mod.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     event_func : Option<Box<Fn(&Event,&Sprite)>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Sprite)`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprite/mod.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |     update_func : Option<Box<Fn(f32,&Sprite)>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Sprite)`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sprite/mod.rs:97:43
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn setEventFunc(&mut self,f : Box<Fn(&Event,&Sprite)->()>)
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Sprite)->()`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sprite/mod.rs:101:44
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn setUpdateFunc(&mut self,f : Box<Fn(f32,&Sprite)->()>)
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Sprite)->()`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:19:27
[INFO] [stdout]    |
[INFO] [stdout] 19 |     event_func:Option<Box<Fn(&Event,&Plane)>>,
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Plane)`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     update_func : Option<Box<Fn(f32,&Plane)>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Plane)`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:56:43
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn setEventFunc(&mut self,f : Box<Fn(&Event,&Plane)->()>)
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Event,&Plane)->()`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/plane/mod.rs:60:44
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn setUpdateFunc(&mut self,f : Box<Fn(f32,&Plane)->()>)
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Plane)->()`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plane/mod.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |     update_func : Option<Box<Fn(f32,&Bullet)>>,
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Bullet)`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plane/mod.rs:169:44
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn setUpdateFunc(&mut self,f : Box<Fn(f32,&Bullet)->()>)
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32,&Bullet)->()`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:53:46
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let sprites : Rc<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>> = Rc::new(RefCell::new(Vec::new()));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:54:45
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let buffer : Rc<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>> = Rc::new(RefCell::new(Vec::new()));
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:179:52
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn create_start(sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>) -> Sprite
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:268:52
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:269:55
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>) -> Plane
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:333:64
[INFO] [stdout]     |
[INFO] [stdout] 333 | ...                   sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:334:67
[INFO] [stdout]     |
[INFO] [stdout] 334 | ...                   buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>){
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:377:58
[INFO] [stdout]     |
[INFO] [stdout] 377 | fn create_plane_enemy(sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:378:61
[INFO] [stdout]     |
[INFO] [stdout] 378 |                       buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>){
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:480:60
[INFO] [stdout]     |
[INFO] [stdout] 480 |                         sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:481:63
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>){
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:564:52
[INFO] [stdout]     |
[INFO] [stdout] 564 |                 sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:565:55
[INFO] [stdout]     |
[INFO] [stdout] 565 |                 buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:53:46
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let sprites : Rc<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>> = Rc::new(RefCell::new(Vec::new()));
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:54:45
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let buffer : Rc<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>> = Rc::new(RefCell::new(Vec::new()));
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]    |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:179:52
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn create_start(sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>) -> Sprite
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:268:52
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:269:55
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>) -> Plane
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:333:64
[INFO] [stdout]     |
[INFO] [stdout] 333 | ...                   sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:334:67
[INFO] [stdout]     |
[INFO] [stdout] 334 | ...                   buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>){
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:377:58
[INFO] [stdout]     |
[INFO] [stdout] 377 | fn create_plane_enemy(sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:378:61
[INFO] [stdout]     |
[INFO] [stdout] 378 |                       buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>){
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:480:60
[INFO] [stdout]     |
[INFO] [stdout] 480 |                         sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:481:63
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>){
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:564:52
[INFO] [stdout]     |
[INFO] [stdout] 564 |                 sps : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>,
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:565:55
[INFO] [stdout]     |
[INFO] [stdout] 565 |                 buffer : Weak<RefCell<Vec<RefCell<Box<DH <Target=WindowCanvas>>>>>>
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn DH <Target=WindowCanvas>`
[INFO] [stdout]     |
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "394dab8db4297d6ee99ba2a0cf9e70b9bc3e3b774bdb1b627a0000bb4b531eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394dab8db4297d6ee99ba2a0cf9e70b9bc3e3b774bdb1b627a0000bb4b531eb9", kill_on_drop: false }`
[INFO] [stdout] 394dab8db4297d6ee99ba2a0cf9e70b9bc3e3b774bdb1b627a0000bb4b531eb9