[INFO] fetching crate rsui 0.13.0...
[INFO] checking rsui-0.13.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[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 af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdaed6da17fa94bee0fcaf46309958c9d9a8c10200eb1f4f63760bd218f616be
[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" "cdaed6da17fa94bee0fcaf46309958c9d9a8c10200eb1f4f63760bd218f616be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdaed6da17fa94bee0fcaf46309958c9d9a8c10200eb1f4f63760bd218f616be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdaed6da17fa94bee0fcaf46309958c9d9a8c10200eb1f4f63760bd218f616be", kill_on_drop: false }`
[INFO] [stdout] cdaed6da17fa94bee0fcaf46309958c9d9a8c10200eb1f4f63760bd218f616be
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 847549e8d2af6bc8b3ba28250b15b00a942c4928b6b91005ddb35ceca992083d
[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" "847549e8d2af6bc8b3ba28250b15b00a942c4928b6b91005ddb35ceca992083d", kill_on_drop: false }`
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[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[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] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/drawing_window.rs:64:29
[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:66:31
[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] [stdout] warning: unused variable: `l`
[INFO] [stdout]   --> src/drawing_window.rs:64:29
[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:66:31
[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 2m 23s
[INFO] running `Command { std: "docker" "inspect" "847549e8d2af6bc8b3ba28250b15b00a942c4928b6b91005ddb35ceca992083d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847549e8d2af6bc8b3ba28250b15b00a942c4928b6b91005ddb35ceca992083d", kill_on_drop: false }`
[INFO] [stdout] 847549e8d2af6bc8b3ba28250b15b00a942c4928b6b91005ddb35ceca992083d
