[INFO] fetching crate rsui 0.13.0...
[INFO] testing rsui-0.13.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rsui 0.13.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rsui 0.13.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsui 0.13.0
[INFO] finished tweaking crates.io crate rsui 0.13.0
[INFO] tweaked toml for crates.io crate rsui 0.13.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9ab9a3eae7f92bd18941831eb31a81dce489790b5a84efc1eae1b7db990948
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0d9ab9a3eae7f92bd18941831eb31a81dce489790b5a84efc1eae1b7db990948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9ab9a3eae7f92bd18941831eb31a81dce489790b5a84efc1eae1b7db990948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9ab9a3eae7f92bd18941831eb31a81dce489790b5a84efc1eae1b7db990948", kill_on_drop: false }`
[INFO] [stdout] 0d9ab9a3eae7f92bd18941831eb31a81dce489790b5a84efc1eae1b7db990948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f566f73ccd969afd7ed3f43fba347be78cad0edd3e2ebd5529fca3a28c01c3c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f566f73ccd969afd7ed3f43fba347be78cad0edd3e2ebd5529fca3a28c01c3c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling glfw-sys v3.3.4
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling pistoncore-input v0.23.0
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling semver v0.2.3
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling pistoncore-window v0.35.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling pistoncore-event_loop v0.40.0
[INFO] [stderr]    Compiling piston v0.40.0
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling glfw v0.26.1
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling pistoncore-glfw_window v0.47.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.52.0
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.35.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.56.0
[INFO] [stderr]    Compiling piston_window v0.87.0
[INFO] [stderr]    Compiling rsui v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drawing_window.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub root: Box<Widget>,
[INFO] [stdout]    |                   ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/drawing_window.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(root: Box<Widget>) -> Self {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/drawing_window.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |             if(first) {
[INFO] [stdout]    |               ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grid_panel.rs:37:40
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn add_child(&mut self, child: Box<Widget>) {
[INFO] [stdout]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn add_child(&mut self, child: Box<Widget>);
[INFO] [stdout]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub children: Vec<Box<Widget>>
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let children: Vec<Box<Widget>> = Vec::new();
[INFO] [stdout]    |                               ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn add_child(&mut self, child: Box<Widget>) {
[INFO] [stdout]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut red_panel: Box<Widget> = Box::new(GridPanel::new([1.0, 0.0, 0.0, 1.0]));
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stdout]    |                              ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/drawing_window.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 Event::Loop(ref l) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/drawing_window.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Event::Custom(ref id, _) => {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Color`
[INFO] [stdout]  --> src/widget.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Color = [f32; 4];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.41s
[INFO] running `Command { std: "docker" "inspect" "f566f73ccd969afd7ed3f43fba347be78cad0edd3e2ebd5529fca3a28c01c3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f566f73ccd969afd7ed3f43fba347be78cad0edd3e2ebd5529fca3a28c01c3c4", kill_on_drop: false }`
[INFO] [stdout] f566f73ccd969afd7ed3f43fba347be78cad0edd3e2ebd5529fca3a28c01c3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5cc1927bcefc2695a22d42f85a4dcbfc48abcccbba1bf32c3a29b5e4eb05c6c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f5cc1927bcefc2695a22d42f85a4dcbfc48abcccbba1bf32c3a29b5e4eb05c6c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rsui v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/drawing_window.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub root: Box<Widget>,
[INFO] [stdout]    |                   ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/drawing_window.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(root: Box<Widget>) -> Self {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/drawing_window.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |             if(first) {
[INFO] [stdout]    |               ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/grid_panel.rs:37:40
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn add_child(&mut self, child: Box<Widget>) {
[INFO] [stdout]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn add_child(&mut self, child: Box<Widget>);
[INFO] [stdout]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub children: Vec<Box<Widget>>
[INFO] [stdout]    |                           ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:28:31
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let children: Vec<Box<Widget>> = Vec::new();
[INFO] [stdout]    |                               ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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.rs:45:40
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn add_child(&mut self, child: Box<Widget>) {
[INFO] [stdout]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut red_panel: Box<Widget> = Box::new(GridPanel::new([1.0, 0.0, 0.0, 1.0]));
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stdout]    |                              ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/drawing_window.rs:64:33
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 Event::Loop(ref l) => {
[INFO] [stdout]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/drawing_window.rs:66:35
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 Event::Custom(ref id, _) => {
[INFO] [stdout]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Color`
[INFO] [stdout]  --> src/widget.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Color = [f32; 4];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "f5cc1927bcefc2695a22d42f85a4dcbfc48abcccbba1bf32c3a29b5e4eb05c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cc1927bcefc2695a22d42f85a4dcbfc48abcccbba1bf32c3a29b5e4eb05c6c", kill_on_drop: false }`
[INFO] [stdout] f5cc1927bcefc2695a22d42f85a4dcbfc48abcccbba1bf32c3a29b5e4eb05c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b1578e8746ece63dcce55994eaae279ca82e67e360985abdd65380cf7508692
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b1578e8746ece63dcce55994eaae279ca82e67e360985abdd65380cf7508692", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/drawing_window.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub root: Box<Widget>,
[INFO] [stderr]    |                   ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/drawing_window.rs:15:26
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new(root: Box<Widget>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/drawing_window.rs:39:15
[INFO] [stderr]    |
[INFO] [stderr] 39 |             if(first) {
[INFO] [stderr]    |               ^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/grid_panel.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn add_child(&mut self, child: Box<Widget>) {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/widget.rs:16:40
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn add_child(&mut self, child: Box<Widget>);
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/widget.rs:23:27
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub children: Vec<Box<Widget>>
[INFO] [stderr]    |                           ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/widget.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let children: Vec<Box<Widget>> = Vec::new();
[INFO] [stderr]    |                               ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/widget.rs:45:40
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn add_child(&mut self, child: Box<Widget>) {
[INFO] [stderr]    |                                        ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut red_panel: Box<Widget> = Box::new(GridPanel::new([1.0, 0.0, 0.0, 1.0]));
[INFO] [stderr]    |                            ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stderr]    |                              ^^^^^^ help: use `dyn`: `dyn Widget`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]   --> src/drawing_window.rs:64:33
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 Event::Loop(ref l) => {
[INFO] [stderr]    |                                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/drawing_window.rs:66:35
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 Event::Custom(ref id, _) => {
[INFO] [stderr]    |                                   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let mut green_panel: Box<Widget> = Box::new(GridPanel::new([0.0, 1.0, 0.0, 1.0]));
[INFO] [stderr]    |         ----^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Color`
[INFO] [stderr]  --> src/widget.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub type Color = [f32; 4];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsui-4db559a2afdffe63)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b1578e8746ece63dcce55994eaae279ca82e67e360985abdd65380cf7508692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1578e8746ece63dcce55994eaae279ca82e67e360985abdd65380cf7508692", kill_on_drop: false }`
[INFO] [stdout] 0b1578e8746ece63dcce55994eaae279ca82e67e360985abdd65380cf7508692
