[INFO] cloning repository https://github.com/shiMusa/Simple-Conrod
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiMusa/Simple-Conrod" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshiMusa%2FSimple-Conrod", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshiMusa%2FSimple-Conrod'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4376f5dce5c7c19411fb40494e79a53616ea4b7a
[INFO] testing shiMusa/Simple-Conrod against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshiMusa%2FSimple-Conrod" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shiMusa/Simple-Conrod on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shiMusa/Simple-Conrod
[INFO] finished tweaking git repo https://github.com/shiMusa/Simple-Conrod
[INFO] tweaked toml for git repo https://github.com/shiMusa/Simple-Conrod written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shiMusa/Simple-Conrod already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] ddf258847050d6374b015d4527faf540186cb3fa8a22cf24fa6638f99ba0c31c
[INFO] running `Command { std: "docker" "start" "-a" "ddf258847050d6374b015d4527faf540186cb3fa8a22cf24fa6638f99ba0c31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddf258847050d6374b015d4527faf540186cb3fa8a22cf24fa6638f99ba0c31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf258847050d6374b015d4527faf540186cb3fa8a22cf24fa6638f99ba0c31c", kill_on_drop: false }`
[INFO] [stdout] ddf258847050d6374b015d4527faf540186cb3fa8a22cf24fa6638f99ba0c31c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc8c1fbc258afe4e6db905318fecb043cd42174cd839a68c988d17529b1a49dd
[INFO] running `Command { std: "docker" "start" "-a" "bc8c1fbc258afe4e6db905318fecb043cd42174cd839a68c988d17529b1a49dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]    Compiling token_store v0.1.2
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling either v1.4.0
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[INFO] [stderr]    Compiling rustc-demangle v0.1.5
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[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling stb_truetype v0.2.1
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling deflate v0.7.17
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[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling petgraph v0.4.11
[INFO] [stderr]    Compiling dlib v0.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
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[INFO] [stderr]    Compiling rusttype v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling conrod_derive v0.1.0
[INFO] [stderr]    Compiling glutin v0.12.0
[INFO] [stderr]    Compiling rayon v1.0.0
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling num-rational v0.1.41
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling pistoncore-input v0.20.0
[INFO] [stderr]    Compiling wayland-window v0.13.2
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling conrod v0.57.0 (https://github.com/PistonDevelopers/conrod.git#db1372f1)
[INFO] [stderr]    Compiling conrod_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
[INFO] [stdout]    --> src/lib.rs:454:13
[INFO] [stdout]     |
[INFO] [stdout] 454 |     #[allow(unused_doc_comment)]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(duration_extras)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(use_extern_macros)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `i32` is imported redundantly
[INFO] [stdout]    --> src/elements/container.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 4   | use elements::{*, action::*};
[INFO] [stdout]     |                - the item `i32` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 158 |         use std::i32;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `i32` is imported redundantly
[INFO] [stdout]    --> src/elements/basic.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 7   | use elements::{*, action::*};
[INFO] [stdout]     |                - the item `i32` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 139 |         use std::i32;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `i32` is imported redundantly
[INFO] [stdout]    --> src/composites/mod.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 8   | use std::i32;
[INFO] [stdout]     |     -------- the item `i32` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 357 |         use std::i32;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `i32` is imported redundantly
[INFO] [stdout]    --> src/composites/mod.rs:463:13
[INFO] [stdout]     |
[INFO] [stdout] 8   | use std::i32;
[INFO] [stdout]     |     -------- the item `i32` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 463 |         use std::i32;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `thread` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 39 | use std::thread;
[INFO] [stdout]    |     ----------- the item `thread` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 46 |         use std::thread;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(use_extern_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(duration_extras)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(fn_traits)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_extras` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(duration_extras)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elements/container.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |     layers: Vec<Box<Element>>,
[INFO] [stdout]    |                     ^^^^^^^
[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 <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 -     layers: Vec<Box<Element>>,
[INFO] [stdout] 48 +     layers: Vec<Box<dyn Element>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:222:23
[INFO] [stdout]     |
[INFO] [stdout] 222 |     elements: Vec<Box<Element>>,
[INFO] [stdout]     |                       ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 222 -     elements: Vec<Box<Element>>,
[INFO] [stdout] 222 +     elements: Vec<Box<dyn Element>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:486:18
[INFO] [stdout]     |
[INFO] [stdout] 486 |     element: Box<Element>,
[INFO] [stdout]     |                  ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 486 -     element: Box<Element>,
[INFO] [stdout] 486 +     element: Box<dyn Element>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:166:22
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub element: Box<Animateable>,
[INFO] [stdout]     |                      ^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 -     pub element: Box<Animateable>,
[INFO] [stdout] 166 +     pub element: Box<dyn Animateable>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:168:32
[INFO] [stdout]     |
[INFO] [stdout] 168 |     size_animation: Option<Box<SizeAnimation>>,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     size_animation: Option<Box<SizeAnimation>>,
[INFO] [stdout] 168 +     size_animation: Option<Box<dyn SizeAnimation>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:169:36
[INFO] [stdout]     |
[INFO] [stdout] 169 |     position_animation: Option<Box<PositionAnimation>>,
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 169 -     position_animation: Option<Box<PositionAnimation>>,
[INFO] [stdout] 169 +     position_animation: Option<Box<dyn PositionAnimation>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:392:18
[INFO] [stdout]     |
[INFO] [stdout] 392 |     receive: Box<Fn(&mut E, ActionMsg)>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 392 -     receive: Box<Fn(&mut E, ActionMsg)>,
[INFO] [stdout] 392 +     receive: Box<dyn Fn(&mut E, ActionMsg)>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/mod.rs:211:25
[INFO] [stdout]     |
[INFO] [stdout] 211 |     element: Option<Box<Element>>,
[INFO] [stdout]     |                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 -     element: Option<Box<Element>>,
[INFO] [stdout] 211 +     element: Option<Box<dyn Element>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/composites/mod.rs:330:23
[INFO] [stdout]     |
[INFO] [stdout] 330 |     elements: Vec<Box<Element>>,
[INFO] [stdout]     |                       ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 330 -     elements: Vec<Box<Element>>,
[INFO] [stdout] 330 +     elements: Vec<Box<dyn Element>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/mod.rs:256:48
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn add_element(&mut self, element: Box<Element>) {
[INFO] [stdout]     |                                                ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 256 -     pub fn add_element(&mut self, element: Box<Element>) {
[INFO] [stdout] 256 +     pub fn add_element(&mut self, element: Box<dyn Element>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/composites/mod.rs:415:41
[INFO] [stdout]     |
[INFO] [stdout] 415 |     pub fn push(&mut self, element: Box<Element>) {
[INFO] [stdout]     |                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 415 -     pub fn push(&mut self, element: Box<Element>) {
[INFO] [stdout] 415 +     pub fn push(&mut self, element: Box<dyn Element>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/composites/mod.rs:420:57
[INFO] [stdout]     |
[INFO] [stdout] 420 |     pub fn insert(&mut self, index: usize, element: Box<Element>) {
[INFO] [stdout]     |                                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 420 -     pub fn insert(&mut self, index: usize, element: Box<Element>) {
[INFO] [stdout] 420 +     pub fn insert(&mut self, index: usize, element: Box<dyn Element>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/composites/mod.rs:432:41
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn pop(&mut self) -> Option<Box<Element>> {
[INFO] [stdout]     |                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 432 -     pub fn pop(&mut self) -> Option<Box<Element>> {
[INFO] [stdout] 432 +     pub fn pop(&mut self) -> Option<Box<dyn Element>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/composites/mod.rs:438:51
[INFO] [stdout]     |
[INFO] [stdout] 438 |     pub fn remove(&mut self, index: usize) -> Box<Element> {
[INFO] [stdout]     |                                                   ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 438 -     pub fn remove(&mut self, index: usize) -> Box<Element> {
[INFO] [stdout] 438 +     pub fn remove(&mut self, index: usize) -> Box<dyn Element> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elements/container.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn push(&mut self, element: Box<Element>) {
[INFO] [stdout]    |                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 -     pub fn push(&mut self, element: Box<Element>) {
[INFO] [stdout] 65 +     pub fn push(&mut self, element: Box<dyn Element>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elements/container.rs:70:57
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn insert(&mut self, index: usize, element: Box<Element>) {
[INFO] [stdout]    |                                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 70 -     pub fn insert(&mut self, index: usize, element: Box<Element>) {
[INFO] [stdout] 70 +     pub fn insert(&mut self, index: usize, element: Box<dyn Element>) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elements/container.rs:79:41
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn pop(&mut self) -> Option<Box<Element>> {
[INFO] [stdout]    |                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     pub fn pop(&mut self) -> Option<Box<Element>> {
[INFO] [stdout] 79 +     pub fn pop(&mut self) -> Option<Box<dyn Element>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/elements/container.rs:83:51
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn remove(&mut self, index: usize) -> Box<Element> {
[INFO] [stdout]    |                                                   ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     pub fn remove(&mut self, index: usize) -> Box<Element> {
[INFO] [stdout] 83 +     pub fn remove(&mut self, index: usize) -> Box<dyn Element> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:249:41
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub fn push(&mut self, element: Box<Element>) {
[INFO] [stdout]     |                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 -     pub fn push(&mut self, element: Box<Element>) {
[INFO] [stdout] 249 +     pub fn push(&mut self, element: Box<dyn Element>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:254:57
[INFO] [stdout]     |
[INFO] [stdout] 254 |     pub fn insert(&mut self, index: usize, element: Box<Element>) {
[INFO] [stdout]     |                                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 254 -     pub fn insert(&mut self, index: usize, element: Box<Element>) {
[INFO] [stdout] 254 +     pub fn insert(&mut self, index: usize, element: Box<dyn Element>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:269:41
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn pop(&mut self) -> Option<Box<Element>> {
[INFO] [stdout]     |                                         ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 269 -     pub fn pop(&mut self) -> Option<Box<Element>> {
[INFO] [stdout] 269 +     pub fn pop(&mut self) -> Option<Box<dyn Element>> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:276:51
[INFO] [stdout]     |
[INFO] [stdout] 276 |     pub fn remove(&mut self, index: usize) -> Box<Element> {
[INFO] [stdout]     |                                                   ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 276 -     pub fn remove(&mut self, index: usize) -> Box<Element> {
[INFO] [stdout] 276 +     pub fn remove(&mut self, index: usize) -> Box<dyn Element> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/container.rs:503:29
[INFO] [stdout]     |
[INFO] [stdout] 503 |     pub fn new(element: Box<Element>, alignment: PadAlignment, size: PadElementSize) -> Box<Self> {
[INFO] [stdout]     |                             ^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 503 -     pub fn new(element: Box<Element>, alignment: PadAlignment, size: PadElementSize) -> Box<Self> {
[INFO] [stdout] 503 +     pub fn new(element: Box<dyn Element>, alignment: PadAlignment, size: PadElementSize) -> Box<Self> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:179:29
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn new(element: Box<Animateable>) -> Box<Self> {
[INFO] [stdout]     |                             ^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 179 -     pub fn new(element: Box<Animateable>) -> Box<Self> {
[INFO] [stdout] 179 +     pub fn new(element: Box<dyn Animateable>) -> Box<Self> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:200:57
[INFO] [stdout]     |
[INFO] [stdout] 200 |     pub fn with_size_animation(mut self, animation: Box<SizeAnimation>) -> Box<Self> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 200 -     pub fn with_size_animation(mut self, animation: Box<SizeAnimation>) -> Box<Self> {
[INFO] [stdout] 200 +     pub fn with_size_animation(mut self, animation: Box<dyn SizeAnimation>) -> Box<Self> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:205:61
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn with_position_animation(mut self, animation: Box<PositionAnimation>) -> Box<Self> {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 205 -     pub fn with_position_animation(mut self, animation: Box<PositionAnimation>) -> Box<Self> {
[INFO] [stdout] 205 +     pub fn with_position_animation(mut self, animation: Box<dyn PositionAnimation>) -> Box<Self> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/elements/action.rs:408:51
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn with_action_receive(mut self, fun: Box<Fn(&mut E, ActionMsg)>) -> Box<Self> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 408 -     pub fn with_action_receive(mut self, fun: Box<Fn(&mut E, ActionMsg)>) -> Box<Self> {
[INFO] [stdout] 408 +     pub fn with_action_receive(mut self, fun: Box<dyn Fn(&mut E, ActionMsg)>) -> Box<Self> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conrod_test` due to 7 previous errors; 35 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bc8c1fbc258afe4e6db905318fecb043cd42174cd839a68c988d17529b1a49dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8c1fbc258afe4e6db905318fecb043cd42174cd839a68c988d17529b1a49dd", kill_on_drop: false }`
[INFO] [stdout] bc8c1fbc258afe4e6db905318fecb043cd42174cd839a68c988d17529b1a49dd