[INFO] cloning repository https://github.com/maxjoehnk/terminal-ui-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxjoehnk/terminal-ui-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Fterminal-ui-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Fterminal-ui-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72c458a3504e1602dfb451678641f05af7f50651
[INFO] building maxjoehnk/terminal-ui-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxjoehnk%2Fterminal-ui-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxjoehnk/terminal-ui-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxjoehnk/terminal-ui-rs
[INFO] finished tweaking git repo https://github.com/maxjoehnk/terminal-ui-rs
[INFO] tweaked toml for git repo https://github.com/maxjoehnk/terminal-ui-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maxjoehnk/terminal-ui-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_terminal v0.2.2
[INFO] [stderr]   Downloaded crossterm_input v0.3.3
[INFO] [stderr]   Downloaded crossterm_style v0.3.1
[INFO] [stderr]   Downloaded crossterm_screen v0.2.1
[INFO] [stderr]   Downloaded crossterm_utils v0.2.1
[INFO] [stderr]   Downloaded crossterm v0.9.3
[INFO] [stderr]   Downloaded crossterm_cursor v0.2.1
[INFO] [stderr]   Downloaded crossterm_winapi v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 363e6d8df85dfc309356365040f46331f795dfa00f9fea2da724094b241d915b
[INFO] running `Command { std: "docker" "start" "-a" "363e6d8df85dfc309356365040f46331f795dfa00f9fea2da724094b241d915b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "363e6d8df85dfc309356365040f46331f795dfa00f9fea2da724094b241d915b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363e6d8df85dfc309356365040f46331f795dfa00f9fea2da724094b241d915b", kill_on_drop: false }`
[INFO] [stdout] 363e6d8df85dfc309356365040f46331f795dfa00f9fea2da724094b241d915b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ded99e257d5b87a04b1b8c1fdcea583ab393abc9e40404146b7f4d1db66eab
[INFO] running `Command { std: "docker" "start" "-a" "16ded99e257d5b87a04b1b8c1fdcea583ab393abc9e40404146b7f4d1db66eab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling crossterm_utils v0.2.1
[INFO] [stderr]    Compiling crossterm_cursor v0.2.1
[INFO] [stderr]    Compiling crossterm_screen v0.2.1
[INFO] [stderr]    Compiling crossterm_style v0.3.1
[INFO] [stderr]    Compiling crossterm_terminal v0.2.2
[INFO] [stderr]    Compiling crossterm_input v0.3.3
[INFO] [stderr]    Compiling crossterm v0.9.3
[INFO] [stderr]    Compiling terminal-ui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/components/text.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<'a> Text<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 8 |     pub fn new(text: &'a str) -> Text {
[INFO] [stdout]   |                                  ^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/components/padding.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'c, C> Padding<'c, C> where C: Renderable {
[INFO] [stdout]   |      -- lifetime `'c` declared here
[INFO] [stdout] 9 |     pub fn new(padding: u16, child: &'c mut C) -> Padding<C> {
[INFO] [stdout]   |                                                          ^ this elided lifetime gets resolved as `'c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Sub;
[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/renderer.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn render(&mut self, component: &mut Renderable) -> Result<()>;
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn render(&mut self, component: &mut dyn Renderable) -> Result<()>;
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/text.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn render_terminal(&mut self, engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn render_terminal(&mut self, engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/padding.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_terminal(&mut self, engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_terminal(&mut self, engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal/crossterm.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn render(&mut self, component: &mut Renderable) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn render(&mut self, component: &mut dyn Renderable) -> Result<()> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `space`
[INFO] [stdout]   --> src/components/layouts/grid.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |         for (space, component) in self.components.iter_mut() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_space`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/terminal/crossterm.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (width, height) = context.bounding_box;
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/terminal/crossterm.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (width, height) = context.bounding_box;
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text_len`
[INFO] [stdout]   --> src/terminal/crossterm.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let text_len = text.len();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_text_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Renderer` is never used
[INFO] [stdout]  --> src/renderer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum Renderer<T, G> where T: TerminalRenderable, G: GraphicsRenderable {
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "16ded99e257d5b87a04b1b8c1fdcea583ab393abc9e40404146b7f4d1db66eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ded99e257d5b87a04b1b8c1fdcea583ab393abc9e40404146b7f4d1db66eab", kill_on_drop: false }`
[INFO] [stdout] 16ded99e257d5b87a04b1b8c1fdcea583ab393abc9e40404146b7f4d1db66eab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c057a7bbce727d9a0f782d9a3bc6ada55958a37544e4dc77d4c63eafbe676d27
[INFO] running `Command { std: "docker" "start" "-a" "c057a7bbce727d9a0f782d9a3bc6ada55958a37544e4dc77d4c63eafbe676d27", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal-ui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/components/text.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<'a> Text<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 8 |     pub fn new(text: &'a str) -> Text {
[INFO] [stdout]   |                                  ^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/components/padding.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'c, C> Padding<'c, C> where C: Renderable {
[INFO] [stdout]   |      -- lifetime `'c` declared here
[INFO] [stdout] 9 |     pub fn new(padding: u16, child: &'c mut C) -> Padding<C> {
[INFO] [stdout]   |                                                          ^ this elided lifetime gets resolved as `'c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Sub;
[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/renderer.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn render(&mut self, component: &mut Renderable) -> Result<()>;
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn render(&mut self, component: &mut dyn Renderable) -> Result<()>;
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/text.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn render_terminal(&mut self, engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn render_terminal(&mut self, engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/padding.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_terminal(&mut self, engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_terminal(&mut self, engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal/crossterm.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn render(&mut self, component: &mut Renderable) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn render(&mut self, component: &mut dyn Renderable) -> Result<()> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `space`
[INFO] [stdout]   --> src/components/layouts/grid.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |         for (space, component) in self.components.iter_mut() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_space`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/terminal/crossterm.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (width, height) = context.bounding_box;
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/terminal/crossterm.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (width, height) = context.bounding_box;
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text_len`
[INFO] [stdout]   --> src/terminal/crossterm.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let text_len = text.len();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_text_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Renderer` is never used
[INFO] [stdout]  --> src/renderer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum Renderer<T, G> where T: TerminalRenderable, G: GraphicsRenderable {
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/components/text.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<'a> Text<'a> {
[INFO] [stdout]   |      -- lifetime `'a` declared here
[INFO] [stdout] 8 |     pub fn new(text: &'a str) -> Text {
[INFO] [stdout]   |                                  ^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]  --> src/components/padding.rs:9:58
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<'c, C> Padding<'c, C> where C: Renderable {
[INFO] [stdout]   |      -- lifetime `'c` declared here
[INFO] [stdout] 9 |     pub fn new(padding: u16, child: &'c mut C) -> Padding<C> {
[INFO] [stdout]   |                                                          ^ this elided lifetime gets resolved as `'c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GridLayout`
[INFO] [stdout]   --> src/components/padding.rs:38:61
[INFO] [stdout]    |
[INFO] [stdout] 38 |     use crate::{Engine, GraphicsEngine, GraphicsRenderable, GridLayout, Padding, Renderable, RenderContext, Result, TerminalEngine, Termi...
[INFO] [stdout]    |                                                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/renderer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Sub;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/renderer.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn render(&mut self, component: &mut Renderable) -> Result<()>;
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn render(&mut self, component: &mut dyn Renderable) -> Result<()>;
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/text.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn render_terminal(&mut self, engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn render_terminal(&mut self, engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/padding.rs:20:48
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_terminal(&mut self, engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn render_terminal(&mut self, engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/layouts/grid.rs:48:46
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn render(&mut self, component: &mut Renderable) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn render(&mut self, component: &mut dyn Renderable) -> Result<()> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/layouts/grid.rs:75:53
[INFO] [stdout]    |
[INFO] [stdout] 75 |         fn render_terminal(&mut self, _engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 75 |         fn render_terminal(&mut self, _engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/padding.rs:46:46
[INFO] [stdout]    |
[INFO] [stdout] 46 |         fn render(&mut self, component: &mut Renderable) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 |         fn render(&mut self, component: &mut dyn Renderable) -> Result<()> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/components/padding.rs:74:53
[INFO] [stdout]    |
[INFO] [stdout] 74 |         fn render_terminal(&mut self, _engine: &mut TerminalEngine, context: &RenderContext) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 74 |         fn render_terminal(&mut self, _engine: &mut dyn TerminalEngine, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/terminal/crossterm.rs:50:42
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn render(&mut self, component: &mut Renderable) -> Result<()> {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn render(&mut self, component: &mut dyn Renderable) -> Result<()> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `space`
[INFO] [stdout]   --> src/components/layouts/grid.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |         for (space, component) in self.components.iter_mut() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_space`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `component`
[INFO] [stdout]   --> src/components/layouts/grid.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fn render(&mut self, component: &mut Renderable) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `component`
[INFO] [stdout]   --> src/components/padding.rs:46:30
[INFO] [stdout]    |
[INFO] [stdout] 46 |         fn render(&mut self, component: &mut Renderable) -> Result<()> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/components/padding.rs:56:28
[INFO] [stdout]    |
[INFO] [stdout] 56 |         fn text(&mut self, text: &str, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]   --> src/components/padding.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |         fn text(&mut self, text: &str, context: &RenderContext) -> Result<()> {
[INFO] [stdout]    |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/terminal/crossterm.rs:26:14
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (width, height) = context.bounding_box;
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> src/terminal/crossterm.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let (width, height) = context.bounding_box;
[INFO] [stdout]    |                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text_len`
[INFO] [stdout]   --> src/terminal/crossterm.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let text_len = text.len();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_text_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Renderer` is never used
[INFO] [stdout]  --> src/renderer.rs:5:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) enum Renderer<T, G> where T: TerminalRenderable, G: GraphicsRenderable {
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "c057a7bbce727d9a0f782d9a3bc6ada55958a37544e4dc77d4c63eafbe676d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c057a7bbce727d9a0f782d9a3bc6ada55958a37544e4dc77d4c63eafbe676d27", kill_on_drop: false }`
[INFO] [stdout] c057a7bbce727d9a0f782d9a3bc6ada55958a37544e4dc77d4c63eafbe676d27