[INFO] fetching crate micro-gui 0.1.0...
[INFO] testing micro-gui-0.1.0 against 1.76.0 for beta-1.77-1
[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 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.30.0
[INFO] [stderr]   Downloaded sdl2 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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3b43003e9d7ec831af481e4e81ee0d261a64966c26ca2b89f8647787e3fdf17
[INFO] running `Command { std: "docker" "start" "-a" "d3b43003e9d7ec831af481e4e81ee0d261a64966c26ca2b89f8647787e3fdf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3b43003e9d7ec831af481e4e81ee0d261a64966c26ca2b89f8647787e3fdf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b43003e9d7ec831af481e4e81ee0d261a64966c26ca2b89f8647787e3fdf17", kill_on_drop: false }`
[INFO] [stdout] d3b43003e9d7ec831af481e4e81ee0d261a64966c26ca2b89f8647787e3fdf17
[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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3cd98236a89ec02f23de26da3c1ed25fc0d64a9f9c58ff4f8771f3d84d0e3e
[INFO] running `Command { std: "docker" "start" "-a" "3c3cd98236a89ec02f23de26da3c1ed25fc0d64a9f9c58ff4f8771f3d84d0e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[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 rand v0.3.23
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.44
[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/1.76.0-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/rustcw7Vcek/symbols.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.micro_gui_example.e6161f5d96ecce2d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094.5dftkd6hf0nl7i40.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmicro_gui-7408898c5e2f40b2.rlib" "/opt/rustwide/target/debug/deps/libsdl2-85c4d957af164b78.rlib" "/opt/rustwide/target/debug/deps/librand-face50a7d08b0b3c.rlib" "/opt/rustwide/target/debug/deps/librand-e768fe1f71427439.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-b28be6ea67a2e08d.rlib" "/opt/rustwide/target/debug/deps/libbitflags-cb0adefe794c9a30.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-ba885db7f681006f.rlib" "/opt/rustwide/target/debug/deps/liblibc-50cf0445600f9cae.rlib" "/opt/rustwide/target/debug/deps/libnum-7ef2db40708413e1.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-3e7019b6c3badd8a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-8969dceadda5f3cd.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-924c59f8d3c0a754.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-66d8041607d2929b.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a57e2388c0aea9b1.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-dcd9be90ae2cb505.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-516789932d161b4e.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-1ff34b0cf871cb60.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0c110dd0650d6cb7.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-a6e97aae2681ad8f.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-b93dac2525ec4d1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-ce1d65fb391ae98b.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8933a2fb54d88492.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-306712ebb1ee1a3f.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-349c574f342b0d30.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-65c422a3ad95273d.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-7e6330a6c0cb9441.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-39c59240bfdfab27.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e9d126c51bb8b2bb.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5af394d9b1f07bdc.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-693a8f23970c5917.rlib" "/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13fc9d1ed9c7a2bc.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/1.76.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/micro_gui_example-f8c562c39c879094" "-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" "3c3cd98236a89ec02f23de26da3c1ed25fc0d64a9f9c58ff4f8771f3d84d0e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3cd98236a89ec02f23de26da3c1ed25fc0d64a9f9c58ff4f8771f3d84d0e3e", kill_on_drop: false }`
[INFO] [stdout] 3c3cd98236a89ec02f23de26da3c1ed25fc0d64a9f9c58ff4f8771f3d84d0e3e
[INFO] testing micro-gui-0.1.0 against beta-2024-02-10 for beta-1.77-1
[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-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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-2024-02-10" "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-2024-02-10" "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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af86ede3f76e6de485515fde571d3a9626abae8c95fbdcae9d78bf4791c13b46
[INFO] running `Command { std: "docker" "start" "-a" "af86ede3f76e6de485515fde571d3a9626abae8c95fbdcae9d78bf4791c13b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af86ede3f76e6de485515fde571d3a9626abae8c95fbdcae9d78bf4791c13b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af86ede3f76e6de485515fde571d3a9626abae8c95fbdcae9d78bf4791c13b46", kill_on_drop: false }`
[INFO] [stdout] af86ede3f76e6de485515fde571d3a9626abae8c95fbdcae9d78bf4791c13b46
[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-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0edc7311ed905b1726e0e1fadf00653f5b64c6b921e58ac68d1577260e9306eb
[INFO] running `Command { std: "docker" "start" "-a" "0edc7311ed905b1726e0e1fadf00653f5b64c6b921e58ac68d1577260e9306eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.44
[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-2024-02-10-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/rustcpNi1gP/symbols.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.micro_gui_example.df8a4c12cd38450f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd.2ejxf96g9cq9p6gr.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libmicro_gui-7e3bbbab0e9da2ed.rlib" "/opt/rustwide/target/debug/deps/libsdl2-70c022945bf4dbe1.rlib" "/opt/rustwide/target/debug/deps/librand-f9bd0ff688bb2fb1.rlib" "/opt/rustwide/target/debug/deps/librand-4546857666a6b09d.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-7a07c2068bb6b4f4.rlib" "/opt/rustwide/target/debug/deps/libbitflags-66c98d7ff4f7b574.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-297a58a4a5d545f0.rlib" "/opt/rustwide/target/debug/deps/liblibc-db6d1022cbe7c1eb.rlib" "/opt/rustwide/target/debug/deps/libnum-5924cb3dea2d7ed9.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-833254fb9173ac57.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c17dc0ad3f326032.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e5939db0afbe8e42.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c3d3f3356130ff3b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-95df42f89c1d4925.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0d2835f8aa540844.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-370839a40e011065.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9649e5e19a7f7d26.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-947cba7c5cf68c1c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-ced012bebfb4965d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ca1b3bc71d252cc2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-fc6e78e39549a6fa.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-339fe9c79c84af4f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-1568bb4b0be20e00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-fe9837fa83c5d69d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-4c6008bb65e308f5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-c9bf4c045d493bdb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e47cddc003bce885.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ddda47710dcba33d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-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-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8d1ac131d3cb2645.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-b4e1725cffd81412.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-2024-02-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/micro_gui_example-fffff085ecbe88cd" "-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" "0edc7311ed905b1726e0e1fadf00653f5b64c6b921e58ac68d1577260e9306eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0edc7311ed905b1726e0e1fadf00653f5b64c6b921e58ac68d1577260e9306eb", kill_on_drop: false }`
[INFO] [stdout] 0edc7311ed905b1726e0e1fadf00653f5b64c6b921e58ac68d1577260e9306eb
