[INFO] cloning repository https://github.com/definedD4/my-ui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/definedD4/my-ui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdefinedD4%2Fmy-ui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdefinedD4%2Fmy-ui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f858db961ca4114ff9a1264459db33e7148d1b9f
[INFO] testing definedD4/my-ui against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdefinedD4%2Fmy-ui" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/definedD4/my-ui on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/definedD4/my-ui
[INFO] finished tweaking git repo https://github.com/definedD4/my-ui
[INFO] tweaked toml for git repo https://github.com/definedD4/my-ui written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/definedD4/my-ui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.3.2
[INFO] [stderr]   Downloaded siphasher v0.2.1
[INFO] [stderr]   Downloaded serde v0.9.10
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded x11-dl v2.12.0
[INFO] [stderr]   Downloaded serde_json v0.9.8
[INFO] [stderr]   Downloaded glium v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2211cd4ac4ee19a66f6cb407b8b6743a4004b4886a12dab38efbac3a9415f98c
[INFO] running `Command { std: "docker" "start" "-a" "2211cd4ac4ee19a66f6cb407b8b6743a4004b4886a12dab38efbac3a9415f98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2211cd4ac4ee19a66f6cb407b8b6743a4004b4886a12dab38efbac3a9415f98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2211cd4ac4ee19a66f6cb407b8b6743a4004b4886a12dab38efbac3a9415f98c", kill_on_drop: false }`
[INFO] [stdout] 2211cd4ac4ee19a66f6cb407b8b6743a4004b4886a12dab38efbac3a9415f98c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd12110e02290a934488ef10e7df043527d511f62101b5f4214d0cb6b87f812
[INFO] running `Command { std: "docker" "start" "-a" "6dd12110e02290a934488ef10e7df043527d511f62101b5f4214d0cb6b87f812", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling siphasher v0.2.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde v0.9.10
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling target_build_utils v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling serde_json v0.9.8
[INFO] [stderr]    Compiling libloading v0.3.2
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.8
[INFO] [stderr]    Compiling wayland-window v0.4.4
[INFO] [stderr]    Compiling wayland-kbd v0.6.3
[INFO] [stderr]    Compiling winit v0.5.11
[INFO] [stderr]    Compiling my-ui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ptr_eq)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(get_type_id)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Element {
[INFO] [stdout]    |      ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |                 Some(&*(self as *const Element as *const T))
[INFO] [stdout]    |                                        ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Some(&mut *(self as *mut Element as *mut T))
[INFO] [stdout]    |                                          ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 | type ElementBox = Rc<RefCell<Box<Element + 'static>>>;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Element + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 | type ElementWeakBox = Weak<RefCell<Box<Element + 'static>>>;
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Element + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn new_node(element: Box<Element + 'static>, parrent: Option<NodeWeakRef>) -> NodeRef {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Element + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tree.rs:97:44
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn add_child(&mut self, child: Box<Element + 'static>) -> NodeRef {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Element + 'static`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tree.rs:116:34
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn element(&self) -> Ref<Element + 'static> {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Element + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tree.rs:120:41
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn element_mut(&self) -> RefMut<Element + 'static> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Element + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tree.rs:218:52
[INFO] [stdout]     |
[INFO] [stdout] 218 |     pub fn set_root(&mut self, element: Option<Box<Element>>) -> Option<NodeRef> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/window.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     content: Option<Box<Element>>,
[INFO] [stdout]    |                         ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/window.rs:34:48
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn set_content(&mut self, element: Box<Element>) -> NodeRef {
[INFO] [stdout]    |                                                ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/property.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     source: Box<ValueSource<T>>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ValueSource<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/property.rs:52:79
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new<S: Into<String>>(name: S, access_type: AccessType, source: Box<ValueSource<T>>) -> Result<Property<T>, String> {
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn ValueSource<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `glium::glutin`
[INFO] [stdout]  --> src/render.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use glium::glutin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/msg.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Message {
[INFO] [stdout]   |      ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/msg.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn cast<T: Message + Sized>(self: Box<Message>) -> Option<T> {
[INFO] [stdout]   |                                               ^^^^^^^ help: use `dyn`: `dyn Message`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::any::Any;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:94:48
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn set_content(&mut self, content: Box<Element>) -> NodeRef {
[INFO] [stdout]    |                                                ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:126:45
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn add_item(&mut self, element: Box<Element>) -> NodeRef {
[INFO] [stdout]     |                                             ^^^^^^^ help: use `dyn`: `dyn Element`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_type_id` found for reference `&(dyn tree::Element + 'static)` in the current scope
[INFO] [stdout]   --> src/tree.rs:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let boxed = self.get_type_id();
[INFO] [stdout]    |                          ^^^^^^^^^^^ method not found in `&(dyn tree::Element + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get_type_id` found for reference `&(dyn Message + 'static)` in the current scope
[INFO] [stdout]  --> src/msg.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |         self.get_type_id()
[INFO] [stdout]   |              ^^^^^^^^^^^ method not found in `&(dyn Message + 'static)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `my-ui` due to 5 previous errors; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6dd12110e02290a934488ef10e7df043527d511f62101b5f4214d0cb6b87f812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd12110e02290a934488ef10e7df043527d511f62101b5f4214d0cb6b87f812", kill_on_drop: false }`
[INFO] [stdout] 6dd12110e02290a934488ef10e7df043527d511f62101b5f4214d0cb6b87f812
