[INFO] fetching crate micro-gui 0.1.0...
[INFO] testing micro-gui-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate micro-gui 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate micro-gui 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate micro-gui 0.1.0
[INFO] finished tweaking crates.io crate micro-gui 0.1.0
[INFO] tweaked toml for crates.io crate micro-gui 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.30.0
[INFO] [stderr]   Downloaded sdl2-sys v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04a3283157e671dda2ce0029d8b3d7a753e3ebcbcbd2a03520d2e6ec9a787016
[INFO] running `Command { std: "docker" "start" "-a" "04a3283157e671dda2ce0029d8b3d7a753e3ebcbcbd2a03520d2e6ec9a787016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a3283157e671dda2ce0029d8b3d7a753e3ebcbcbd2a03520d2e6ec9a787016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a3283157e671dda2ce0029d8b3d7a753e3ebcbcbd2a03520d2e6ec9a787016", kill_on_drop: false }`
[INFO] [stdout] 04a3283157e671dda2ce0029d8b3d7a753e3ebcbcbd2a03520d2e6ec9a787016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d9ae3c5dd13907146d5b63d04eaaf54953fd2a9df81d08e3ffedfc01898640
[INFO] running `Command { std: "docker" "start" "-a" "63d9ae3c5dd13907146d5b63d04eaaf54953fd2a9df81d08e3ffedfc01898640", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling micro-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/layer.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 |     renderer: Option<&'a mut (Renderable<Pixel> + 'a)>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     renderer: Option<&'a mut (dyn Renderable<Pixel> + 'a)>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |     on_load: Option<&'a mut (OnLoad + 'a)>,
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 19 |     on_load: Option<&'a mut (dyn OnLoad + 'a)>,
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_unload: Option<&'a mut (OnUnload + 'a)>,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 20 |     on_unload: Option<&'a mut (dyn OnUnload + 'a)>,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     on_event: Option<&'a mut (OnEvent + 'a)>
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 21 |     on_event: Option<&'a mut (dyn OnEvent + 'a)>
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/layer.rs:18:56
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(bounds: Rect, renderer: Option<&'a mut (Renderable<Pixel> + 'a)>) -> Layer<'a, Pixel> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 18 |     pub fn new(bounds: Rect, renderer: Option<&'a mut (dyn Renderable<Pixel> + 'a)>) -> Layer<'a, Pixel> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/layer.rs:35:71
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 35 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:41:62
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(w: usize, h: usize, renderer: Option<&'a mut (Renderable<Pixel> + 'a)>) -> Self {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 41 |     pub fn new(w: usize, h: usize, renderer: Option<&'a mut (dyn Renderable<Pixel> + 'a)>) -> Self {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:48:61
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEven...
[INFO] [stdout]    |                                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut dyn OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEvent>) {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:48:96
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEven...
[INFO] [stdout]    |                                                                                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut dyn OnUnload>, on_event: Option<&'a mut OnEvent>) {
[INFO] [stdout]    |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:48:132
[INFO] [stdout]    |
[INFO] [stdout] 48 | ... on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEvent>) {
[INFO] [stdout]    |                                                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut dyn OnEvent>) {
[INFO] [stdout]    |                                                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:55:75
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 55 |     pub fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gui.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn render(&mut self, buff: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 44 |     pub fn render(&mut self, buff: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:17:71
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>);
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 17 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>);
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:44:31
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn set(&self, b: &mut Buff<Pixel>, x: usize, y: usize, p: &Pixel) {
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 44 |     pub fn set(&self, b: &mut dyn Buff<Pixel>, x: usize, y: usize, p: &Pixel) {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn draw_line(&self, buf: &mut Buff<Pixel>, p1: Point, p2: Point, p: &Pixel) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 73 |     pub fn draw_line(&self, buf: &mut dyn Buff<Pixel>, p1: Point, p2: Point, p: &Pixel) {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:133:37
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn draw_rect(&self, b: &mut Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 133 |     pub fn draw_rect(&self, b: &mut dyn Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn fill_rect(&self, b: &mut Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 145 |     pub fn fill_rect(&self, b: &mut dyn Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:154:41
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn draw_polyline(&self, b: &mut Buff<Pixel>, points: &[Point], p: &Pixel) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 154 |     pub fn draw_polyline(&self, b: &mut dyn Buff<Pixel>, points: &[Point], p: &Pixel) {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:164:42
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn draw_ellipse(&self, buf: &mut Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 164 |     pub fn draw_ellipse(&self, buf: &mut dyn Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/widgets/demo.rs:23:71
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 23 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `limit` is never used
[INFO] [stdout]   --> src/graphics/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl <Pixel>Graphics<Pixel> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn limit(min: usize, max: usize, actual: usize) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcJD8l0O/symbols.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.micro_gui_example.ee8f42266312fc38-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7.2snh12kd2u7wcx3u.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmicro_gui-9b6480c33a6d2bbc.rlib" "/opt/rustwide/target/debug/deps/libsdl2-345bf08301d68981.rlib" "/opt/rustwide/target/debug/deps/librand-f27daf5fde2f120a.rlib" "/opt/rustwide/target/debug/deps/librand-c7ee59c3383a3f6b.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-a6646cc23a29cf80.rlib" "/opt/rustwide/target/debug/deps/libbitflags-6b58600dea707cbe.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-f3c2a39b584a8c58.rlib" "/opt/rustwide/target/debug/deps/liblibc-f01c1240f7c859d0.rlib" "/opt/rustwide/target/debug/deps/libnum-d204683d5fce63b7.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c092a0819201fe05.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-166e5fd07b88eba2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-dcf66cbda2c5463d.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-90f6ddbf82de36ec.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-480c41e9d4e1f677.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-db744c0ca03eed1d.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-8ba652dc7d4b285a.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d5f4520a9ebc0d58.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4ad84de58f0cb463.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0d10aae2e0f38735.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c17cff739e6745b.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-b29e17139dde1aa8.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-1f975299829cc7bd.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86bae3bc3079f89b.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-321b82c30dffdf5f.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3dd8a6810a0bdfef.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-eb39a61c0c879984.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-aa769569f91c3548.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-510a192a50a983ed.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-0577018320f99037.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-193cf992125ccd4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8e138eaf26ebb4a8.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/micro_gui_example-2e1e353e3ac4a2c7" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image: No such file or directory
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro-gui` (bin "micro-gui-example") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "63d9ae3c5dd13907146d5b63d04eaaf54953fd2a9df81d08e3ffedfc01898640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d9ae3c5dd13907146d5b63d04eaaf54953fd2a9df81d08e3ffedfc01898640", kill_on_drop: false }`
[INFO] [stdout] 63d9ae3c5dd13907146d5b63d04eaaf54953fd2a9df81d08e3ffedfc01898640
[INFO] testing micro-gui-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate micro-gui 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate micro-gui 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate micro-gui 0.1.0
[INFO] finished tweaking crates.io crate micro-gui 0.1.0
[INFO] tweaked toml for crates.io crate micro-gui 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a36dd49b49a19f801a782c680b29c7b6fae087e783cd472006bb8f9f057eb16
[INFO] running `Command { std: "docker" "start" "-a" "1a36dd49b49a19f801a782c680b29c7b6fae087e783cd472006bb8f9f057eb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a36dd49b49a19f801a782c680b29c7b6fae087e783cd472006bb8f9f057eb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a36dd49b49a19f801a782c680b29c7b6fae087e783cd472006bb8f9f057eb16", kill_on_drop: false }`
[INFO] [stdout] 1a36dd49b49a19f801a782c680b29c7b6fae087e783cd472006bb8f9f057eb16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02cbe43cb7bbd0bb3b0dd6ce3aa9209b60593daa3387906f801bae3fddaa4dc7
[INFO] running `Command { std: "docker" "start" "-a" "02cbe43cb7bbd0bb3b0dd6ce3aa9209b60593daa3387906f801bae3fddaa4dc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling micro-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/layer.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 |     renderer: Option<&'a mut (Renderable<Pixel> + 'a)>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     renderer: Option<&'a mut (dyn Renderable<Pixel> + 'a)>,
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:19:30
[INFO] [stdout]    |
[INFO] [stdout] 19 |     on_load: Option<&'a mut (OnLoad + 'a)>,
[INFO] [stdout]    |                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 19 |     on_load: Option<&'a mut (dyn OnLoad + 'a)>,
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:20:32
[INFO] [stdout]    |
[INFO] [stdout] 20 |     on_unload: Option<&'a mut (OnUnload + 'a)>,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 20 |     on_unload: Option<&'a mut (dyn OnUnload + 'a)>,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     on_event: Option<&'a mut (OnEvent + 'a)>
[INFO] [stdout]    |                               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 21 |     on_event: Option<&'a mut (dyn OnEvent + 'a)>
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/layer.rs:18:56
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(bounds: Rect, renderer: Option<&'a mut (Renderable<Pixel> + 'a)>) -> Layer<'a, Pixel> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 18 |     pub fn new(bounds: Rect, renderer: Option<&'a mut (dyn Renderable<Pixel> + 'a)>) -> Layer<'a, Pixel> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/layer.rs:35:71
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 35 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:41:62
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(w: usize, h: usize, renderer: Option<&'a mut (Renderable<Pixel> + 'a)>) -> Self {
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 41 |     pub fn new(w: usize, h: usize, renderer: Option<&'a mut (dyn Renderable<Pixel> + 'a)>) -> Self {
[INFO] [stdout]    |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:48:61
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEven...
[INFO] [stdout]    |                                                             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut dyn OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEvent>) {
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:48:96
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEven...
[INFO] [stdout]    |                                                                                                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut dyn OnUnload>, on_event: Option<&'a mut OnEvent>) {
[INFO] [stdout]    |                                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:48:132
[INFO] [stdout]    |
[INFO] [stdout] 48 | ... on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut OnEvent>) {
[INFO] [stdout]    |                                                                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 48 |     pub fn bind_handlers(&mut self, on_load: Option<&'a mut OnLoad>, on_unload: Option<&'a mut OnUnload>, on_event: Option<&'a mut dyn OnEvent>) {
[INFO] [stdout]    |                                                                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/window.rs:55:75
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 55 |     pub fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gui.rs:44:41
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn render(&mut self, buff: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 44 |     pub fn render(&mut self, buff: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:17:71
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>);
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 17 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>);
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:44:31
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn set(&self, b: &mut Buff<Pixel>, x: usize, y: usize, p: &Pixel) {
[INFO] [stdout]    |                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 44 |     pub fn set(&self, b: &mut dyn Buff<Pixel>, x: usize, y: usize, p: &Pixel) {
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:73:39
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn draw_line(&self, buf: &mut Buff<Pixel>, p1: Point, p2: Point, p: &Pixel) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 73 |     pub fn draw_line(&self, buf: &mut dyn Buff<Pixel>, p1: Point, p2: Point, p: &Pixel) {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:133:37
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn draw_rect(&self, b: &mut Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 133 |     pub fn draw_rect(&self, b: &mut dyn Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:145:37
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn fill_rect(&self, b: &mut Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 145 |     pub fn fill_rect(&self, b: &mut dyn Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:154:41
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn draw_polyline(&self, b: &mut Buff<Pixel>, points: &[Point], p: &Pixel) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 154 |     pub fn draw_polyline(&self, b: &mut dyn Buff<Pixel>, points: &[Point], p: &Pixel) {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/graphics/mod.rs:164:42
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn draw_ellipse(&self, buf: &mut Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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] 164 |     pub fn draw_ellipse(&self, buf: &mut dyn Buff<Pixel>, r: Rect, p: &Pixel) {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/widgets/demo.rs:23:71
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut Buff<Pixel>) {
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] 23 |     fn render(&mut self, graphics: &mut Graphics<Pixel>, buffer: &mut dyn Buff<Pixel>) {
[INFO] [stdout]    |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `limit` is never used
[INFO] [stdout]   --> src/graphics/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl <Pixel>Graphics<Pixel> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn limit(min: usize, max: usize, actual: usize) -> usize {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc3sqxAf/symbols.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.micro_gui_example.9801287b1cea7525-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170.4mpmndn7adk1vhbj.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmicro_gui-3ca10034f085e61e.rlib" "/opt/rustwide/target/debug/deps/libsdl2-c727c36664006e62.rlib" "/opt/rustwide/target/debug/deps/librand-7587994f3f1eb75f.rlib" "/opt/rustwide/target/debug/deps/librand-35b2180cd8725bd4.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-fcfd0f3eded20118.rlib" "/opt/rustwide/target/debug/deps/libbitflags-66c98d7ff4f7b574.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-297a58a4a5d545f0.rlib" "/opt/rustwide/target/debug/deps/liblibc-9bdc13f38078ecbe.rlib" "/opt/rustwide/target/debug/deps/libnum-3192dd0cfa4229f7.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6388a8b98099c984.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-cc320e8663689ac5.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-d78ef80edf268e06.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0672489a78b613de.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-7eb3ffc34a49f675.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6478a9daa4bee8e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-0c75d871a5c3923d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d163ef63ad37bb71.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-8a3fd810a85b9f4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-462a2cde8c5dfc10.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-cb06ac9f54713f71.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-f20bfd1f8e59b393.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-1ef460949b49da4b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-2cb0c0ffe4f87514.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-58d841eb322a11a2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-aa2ae0b0a9d11533.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-23874e15830ed336.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e47cddc003bce885.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22b13b48a8f128e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e46bc3da6d7c462f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8d1ac131d3cb2645.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a1b43df8c6899c1f.rlib" "-Wl,-Bdynamic" "-lSDL2_image" "-lSDL2" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/micro_gui_example-ca124631e2c1c170" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_image: No such file or directory
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micro-gui` (bin "micro-gui-example") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "02cbe43cb7bbd0bb3b0dd6ce3aa9209b60593daa3387906f801bae3fddaa4dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02cbe43cb7bbd0bb3b0dd6ce3aa9209b60593daa3387906f801bae3fddaa4dc7", kill_on_drop: false }`
[INFO] [stdout] 02cbe43cb7bbd0bb3b0dd6ce3aa9209b60593daa3387906f801bae3fddaa4dc7
