[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] testing wu1274704958/sdl_game against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwu1274704958%2Fsdl_game" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wu1274704958/sdl_game on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-84/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27c29c2a6bb7c8a8f97bb214814a995724cc5b1d3dadcb8fa6458f9c07aa9f48
[INFO] running `Command { std: "docker" "start" "-a" "27c29c2a6bb7c8a8f97bb214814a995724cc5b1d3dadcb8fa6458f9c07aa9f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27c29c2a6bb7c8a8f97bb214814a995724cc5b1d3dadcb8fa6458f9c07aa9f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c29c2a6bb7c8a8f97bb214814a995724cc5b1d3dadcb8fa6458f9c07aa9f48", kill_on_drop: false }`
[INFO] [stdout] 27c29c2a6bb7c8a8f97bb214814a995724cc5b1d3dadcb8fa6458f9c07aa9f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f73ee4581ff956337fa5bd7ee93c54bd3d7645eff1e4b6166efb55fc6330103a
[INFO] running `Command { std: "docker" "start" "-a" "f73ee4581ff956337fa5bd7ee93c54bd3d7645eff1e4b6166efb55fc6330103a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling sdl_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling c_vec v1.3.1
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.sdl_test.a0r02r84-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c.2f662g61fbc2kyh0.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librand-ed59f898ae1fb22f.rlib" "/opt/rustwide/target/debug/deps/librand_core-b794b85e915d4a4e.rlib" "/opt/rustwide/target/debug/deps/libsdl_test-a2620f358762fd2d.rlib" "/opt/rustwide/target/debug/deps/libsdl2-3ae6884b88d60a14.rlib" "/opt/rustwide/target/debug/deps/librand-da4a70febf02ddb3.rlib" "/opt/rustwide/target/debug/deps/librand-2fc58703299c7907.rlib" "/opt/rustwide/target/debug/deps/libc_vec-95955db463e4aab9.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-731923ff4a0accad.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e460c828ac318c64.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-0f48dde279d12d5a.rlib" "/opt/rustwide/target/debug/deps/liblibc-853b6cb442b1724a.rlib" "/opt/rustwide/target/debug/deps/libnum-8c640e79070895fb.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-ae0d9f9d6b87e9d5.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-adb4a1f31e3f51d7.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-44a7e2e90abbf176.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2_gfx" "-lSDL2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/sdl_test-489484d014f0143c" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl_test`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f73ee4581ff956337fa5bd7ee93c54bd3d7645eff1e4b6166efb55fc6330103a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f73ee4581ff956337fa5bd7ee93c54bd3d7645eff1e4b6166efb55fc6330103a", kill_on_drop: false }`
[INFO] [stdout] f73ee4581ff956337fa5bd7ee93c54bd3d7645eff1e4b6166efb55fc6330103a
