[INFO] fetching crate termit-ui 0.0.1...
[INFO] checking termit-ui-0.0.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate termit-ui 0.0.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate termit-ui 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate termit-ui 0.0.1
[INFO] finished tweaking crates.io crate termit-ui 0.0.1
[INFO] tweaked toml for crates.io crate termit-ui 0.0.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termit-ion v1.6.0
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37b2ccdd0d0d539676d2152292c0115d0e762c8cb842fbf539919a01e522e856
[INFO] running `Command { std: "docker" "start" "-a" "37b2ccdd0d0d539676d2152292c0115d0e762c8cb842fbf539919a01e522e856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b2ccdd0d0d539676d2152292c0115d0e762c8cb842fbf539919a01e522e856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b2ccdd0d0d539676d2152292c0115d0e762c8cb842fbf539919a01e522e856", kill_on_drop: false }`
[INFO] [stdout] 37b2ccdd0d0d539676d2152292c0115d0e762c8cb842fbf539919a01e522e856
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3115f2a4e8192c3d2ac888f26d269d7669b2a426921b2d6a748119acff7c7c25
[INFO] running `Command { std: "docker" "start" "-a" "3115f2a4e8192c3d2ac888f26d269d7669b2a426921b2d6a748119acff7c7c25", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termit-ion v1.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking termit-ui v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `async_stdin` in crate `termion`
[INFO] [stdout]   --> src/mion/gui.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut stdin = termion::async_stdin();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ not found in `termion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `async_stdin` in crate `termion`
[INFO] [stdout]   --> src/mion/gui.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let mut stdin = termion::async_stdin();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ not found in `termion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mion/color.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn get_color_support(input: &mut Read, output: &mut Write) -> io::Result<ColorSupport> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 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/mion/color.rs:104:57
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn get_color_support(input: &mut Read, output: &mut Write) -> io::Result<ColorSupport> {
[INFO] [stdout]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mion/color.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |             1...6 => ColorSupport::Mono,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mion/color.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |             7...14 => ColorSupport::Ansi3bit,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mion/color.rs:145:15
[INFO] [stdout]     |
[INFO] [stdout] 145 |             15...0xFE => ColorSupport::Ansi4bit,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[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 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/mion/color.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn detect_color(input: &mut Read, output: &mut Write, color: u8) -> io::Result<bool> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[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 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/mion/color.rs:156:48
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn detect_color(input: &mut Read, output: &mut Write, color: u8) -> io::Result<bool> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[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 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/widget/canvas.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn render(&self, painter: &mut Painter) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^ help: use `dyn`: `dyn Painter`
[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 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/widget/elementary.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub layout: Box<Layout>,
[INFO] [stdout]   |                     ^^^^^^ help: use `dyn`: `dyn Layout`
[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 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/widget/elementary.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub elements: Vec<Box<LayoutElement>>,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn LayoutElement`
[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 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/widget/elementary.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn render(&self, painter: &mut Painter) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^ help: use `dyn`: `dyn Painter`
[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 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/widget/layout.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn widget<'a>(&'a self) -> &'a Widget;
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn widget_mut<'a>(&'a mut self) -> &'a mut Widget;
[INFO] [stdout]    |                                                ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn placement<'a>(&'a self) -> &'a Placement;
[INFO] [stdout]    |                                       ^^^^^^^^^ help: use `dyn`: `dyn Placement`
[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 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/widget/layout.rs:120:36
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn widget<'a>(&'a self) -> &'a Widget {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:123:48
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn widget_mut<'a>(&'a mut self) -> &'a mut Widget {
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn placement<'a>(&'a self) -> &'a Placement {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn Placement`
[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 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/widget/mod.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn render(&self, painter: &mut Painter) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^ help: use `dyn`: `dyn Painter`
[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 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/mion/color.rs:104:38
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn get_color_support(input: &mut Read, output: &mut Write) -> io::Result<ColorSupport> {
[INFO] [stdout]     |                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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 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/mion/color.rs:104:57
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn get_color_support(input: &mut Read, output: &mut Write) -> io::Result<ColorSupport> {
[INFO] [stdout]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mion/color.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |             1...6 => ColorSupport::Mono,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mion/color.rs:144:14
[INFO] [stdout]     |
[INFO] [stdout] 144 |             7...14 => ColorSupport::Ansi3bit,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/mion/color.rs:145:15
[INFO] [stdout]     |
[INFO] [stdout] 145 |             15...0xFE => ColorSupport::Ansi4bit,
[INFO] [stdout]     |               ^^^ help: use `..=` for an inclusive range
[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 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/mion/color.rs:156:29
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn detect_color(input: &mut Read, output: &mut Write, color: u8) -> io::Result<bool> {
[INFO] [stdout]     |                             ^^^^ help: use `dyn`: `dyn Read`
[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 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/mion/color.rs:156:48
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn detect_color(input: &mut Read, output: &mut Write, color: u8) -> io::Result<bool> {
[INFO] [stdout]     |                                                ^^^^^ help: use `dyn`: `dyn Write`
[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 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/widget/canvas.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn render(&self, painter: &mut Painter) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^ help: use `dyn`: `dyn Painter`
[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 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/widget/elementary.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub layout: Box<Layout>,
[INFO] [stdout]   |                     ^^^^^^ help: use `dyn`: `dyn Layout`
[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 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/widget/elementary.rs:9:27
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub elements: Vec<Box<LayoutElement>>,
[INFO] [stdout]   |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn LayoutElement`
[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 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/widget/elementary.rs:58:36
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn render(&self, painter: &mut Painter) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^ help: use `dyn`: `dyn Painter`
[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 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/widget/layout.rs:11:36
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn widget<'a>(&'a self) -> &'a Widget;
[INFO] [stdout]    |                                    ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:12:48
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn widget_mut<'a>(&'a mut self) -> &'a mut Widget;
[INFO] [stdout]    |                                                ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn placement<'a>(&'a self) -> &'a Placement;
[INFO] [stdout]    |                                       ^^^^^^^^^ help: use `dyn`: `dyn Placement`
[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 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/widget/layout.rs:120:36
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn widget<'a>(&'a self) -> &'a Widget {
[INFO] [stdout]     |                                    ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:123:48
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn widget_mut<'a>(&'a mut self) -> &'a mut Widget {
[INFO] [stdout]     |                                                ^^^^^^ help: use `dyn`: `dyn Widget`
[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 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/widget/layout.rs:126:39
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn placement<'a>(&'a self) -> &'a Placement {
[INFO] [stdout]     |                                       ^^^^^^^^^ help: use `dyn`: `dyn Placement`
[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 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/widget/mod.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn render(&self, painter: &mut Painter) -> io::Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^ help: use `dyn`: `dyn Painter`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/mion/gui.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |             events: stdin.events(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ expected struct `AsyncReader`, found mutable reference
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Events<AsyncReader>`
[INFO] [stdout]               found struct `Events<&mut dyn std::io::Read>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/mion/gui.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |             events: stdin.events(),
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ expected struct `AsyncReader`, found mutable reference
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Events<AsyncReader>`
[INFO] [stdout]               found struct `Events<&mut dyn std::io::Read>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `termit-ui` due to 3 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3115f2a4e8192c3d2ac888f26d269d7669b2a426921b2d6a748119acff7c7c25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3115f2a4e8192c3d2ac888f26d269d7669b2a426921b2d6a748119acff7c7c25", kill_on_drop: false }`
[INFO] [stdout] 3115f2a4e8192c3d2ac888f26d269d7669b2a426921b2d6a748119acff7c7c25
