[INFO] fetching crate enamel 0.3.0...
[INFO] checking enamel-0.3.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate enamel 0.3.0 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate enamel 0.3.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enamel 0.3.0
[INFO] finished tweaking crates.io crate enamel 0.3.0
[INFO] tweaked toml for crates.io crate enamel 0.3.0 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1338d3cb21460547b67f4437aaa1adfef55a515cae18d85a750d5917778823c4
[INFO] running `Command { std: "docker" "start" "-a" "1338d3cb21460547b67f4437aaa1adfef55a515cae18d85a750d5917778823c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1338d3cb21460547b67f4437aaa1adfef55a515cae18d85a750d5917778823c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1338d3cb21460547b67f4437aaa1adfef55a515cae18d85a750d5917778823c4", kill_on_drop: false }`
[INFO] [stdout] 1338d3cb21460547b67f4437aaa1adfef55a515cae18d85a750d5917778823c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a6d075e69f91a005a5af32696ffff3ddf58909a6657cafa4031b3d1ec3393b9
[INFO] running `Command { std: "docker" "start" "-a" "0a6d075e69f91a005a5af32696ffff3ddf58909a6657cafa4031b3d1ec3393b9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking colorify v0.1.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.6
[INFO] [stderr]     Checking glium_text v0.9.0
[INFO] [stderr]     Checking enamel v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/ui/mod.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |         fn set_mouse_focus(&mut self, bool);
[INFO] [stdout]    |                                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[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/ui/mod.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |         fn event(Event) -> Self;
[INFO] [stdout]    |                  ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Event`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/mod.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 |         fn clone_box(&self) -> Box<CustomEventRemainder>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/ui/mod.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |         fn debug_fmt(&self, &mut Formatter) -> FmtResult;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Formatter`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/mod.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |         fn clone_box(&self) -> Box<CustomEventRemainder> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |     impl Clone for Box<CustomEventRemainder> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |         fn clone(&self) -> Box<CustomEventRemainder> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     impl Debug for Box<CustomEventRemainder> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub type MouseEventHandler<T> = Box<FnMut(ElementState, MouseButton) -> (UiRequest, T)>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ElementState, MouseButton) -> (UiRequest, T)`
[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/ui/mod.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 94 |       pub type KeyboardEventHandler<T> = Box<FnMut(ElementState, Option<VirtualKeyCode>, &KeyboardState, 
[INFO] [stdout]    |  ____________________________________________^
[INFO] [stdout] 95 | |         &mut String) -> (UiRequest, T)>;
[INFO] [stdout]    | |______________________________________^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 ~     pub type KeyboardEventHandler<T> = Box<dyn FnMut(ElementState, Option<VirtualKeyCode>, &KeyboardState, 
[INFO] [stdout] 95 ~         &mut String) -> (UiRequest, T)>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ui/mod.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |         Custom(Box<CustomEventRemainder>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/ui/mod.rs:45:39
[INFO] [stdout]    |
[INFO] [stdout] 45 |         fn set_mouse_focus(&mut self, bool);
[INFO] [stdout]    |                                       ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[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/ui/mod.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |         fn event(Event) -> Self;
[INFO] [stdout]    |                  ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Event`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/mod.rs:55:36
[INFO] [stdout]    |
[INFO] [stdout] 55 |         fn clone_box(&self) -> Box<CustomEventRemainder>;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/ui/mod.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |         fn debug_fmt(&self, &mut Formatter) -> FmtResult;
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Formatter`
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/mod.rs:63:36
[INFO] [stdout]    |
[INFO] [stdout] 63 |         fn clone_box(&self) -> Box<CustomEventRemainder> {
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:74:24
[INFO] [stdout]    |
[INFO] [stdout] 74 |     impl Clone for Box<CustomEventRemainder> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:75:32
[INFO] [stdout]    |
[INFO] [stdout] 75 |         fn clone(&self) -> Box<CustomEventRemainder> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     impl Debug for Box<CustomEventRemainder> {
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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/ui/mod.rs:92:41
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub type MouseEventHandler<T> = Box<FnMut(ElementState, MouseButton) -> (UiRequest, T)>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(ElementState, MouseButton) -> (UiRequest, T)`
[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/ui/mod.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 94 |       pub type KeyboardEventHandler<T> = Box<FnMut(ElementState, Option<VirtualKeyCode>, &KeyboardState, 
[INFO] [stdout]    |  ____________________________________________^
[INFO] [stdout] 95 | |         &mut String) -> (UiRequest, T)>;
[INFO] [stdout]    | |______________________________________^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 ~     pub type KeyboardEventHandler<T> = Box<dyn FnMut(ElementState, Option<VirtualKeyCode>, &KeyboardState, 
[INFO] [stdout] 95 ~         &mut String) -> (UiRequest, T)>;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ui/mod.rs:127:20
[INFO] [stdout]     |
[INFO] [stdout] 127 |         Custom(Box<CustomEventRemainder>),
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CustomEventRemainder`
[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: panic message is not a string literal
[INFO] [stdout]    --> src/ui/element.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 | /         format!("Element::new(): Position out of range: [x: {}, y: {}, z:{}]. \
[INFO] [stdout] 509 | |             'x' and 'y' must both be between -1.0 and 1.0.", 
[INFO] [stdout] 510 | |             position[0], position[1], position[2])
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 508 ~         "Element::new(): Position out of range: [x: {}, y: {}, z:{}]. \
[INFO] [stdout] 509 |             'x' and 'y' must both be between -1.0 and 1.0.", 
[INFO] [stdout] 510 ~             position[0], position[1], position[2]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ui/element.rs:508:9
[INFO] [stdout]     |
[INFO] [stdout] 508 | /         format!("Element::new(): Position out of range: [x: {}, y: {}, z:{}]. \
[INFO] [stdout] 509 | |             'x' and 'y' must both be between -1.0 and 1.0.", 
[INFO] [stdout] 510 | |             position[0], position[1], position[2])
[INFO] [stdout]     | |__________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 508 ~         "Element::new(): Position out of range: [x: {}, y: {}, z:{}]. \
[INFO] [stdout] 509 |             'x' and 'y' must both be between -1.0 and 1.0.", 
[INFO] [stdout] 510 ~             position[0], position[1], position[2]
[INFO] [stdout]     |
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "0a6d075e69f91a005a5af32696ffff3ddf58909a6657cafa4031b3d1ec3393b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6d075e69f91a005a5af32696ffff3ddf58909a6657cafa4031b3d1ec3393b9", kill_on_drop: false }`
[INFO] [stdout] 0a6d075e69f91a005a5af32696ffff3ddf58909a6657cafa4031b3d1ec3393b9
