[INFO] cloning repository https://github.com/MatthewNichols/wasm-canvas-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MatthewNichols/wasm-canvas-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewNichols%2Fwasm-canvas-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewNichols%2Fwasm-canvas-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 236a3ef3ed5b1cf131888cf5cc678ea45fe64abd
[INFO] checking MatthewNichols/wasm-canvas-playground/236a3ef3ed5b1cf131888cf5cc678ea45fe64abd against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatthewNichols%2Fwasm-canvas-playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MatthewNichols/wasm-canvas-playground on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MatthewNichols/wasm-canvas-playground
[INFO] finished tweaking git repo https://github.com/MatthewNichols/wasm-canvas-playground
[INFO] tweaked toml for git repo https://github.com/MatthewNichols/wasm-canvas-playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MatthewNichols/wasm-canvas-playground 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62f0e34450a4c32affd0abbebad57093814bcd2e60980f6fc3216cace3397f8b
[INFO] running `Command { std: "docker" "start" "-a" "62f0e34450a4c32affd0abbebad57093814bcd2e60980f6fc3216cace3397f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62f0e34450a4c32affd0abbebad57093814bcd2e60980f6fc3216cace3397f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f0e34450a4c32affd0abbebad57093814bcd2e60980f6fc3216cace3397f8b", kill_on_drop: false }`
[INFO] [stdout] 62f0e34450a4c32affd0abbebad57093814bcd2e60980f6fc3216cace3397f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cd7be9b7a0f2582e6b47e2de3777cb5bf5f72b77a8a6a4a1e382faa23182f7f
[INFO] running `Command { std: "docker" "start" "-a" "9cd7be9b7a0f2582e6b47e2de3777cb5bf5f72b77a8a6a4a1e382faa23182f7f", kill_on_drop: false }`
[INFO] [stderr] warning: Found `debug_assertions` in `target.'cfg(...)'.dependencies`. This value is not supported for selecting dependencies and will not work as expected. To learn more visit https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html#platform-specific-dependencies
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]     Checking js-sys v0.3.37
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.37
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking wasm-canvas-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `console`
[INFO] [stdout]  --> src/drawings/canvas_interface.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use web_sys::{ console, Document, Element, 
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `console`
[INFO] [stdout]  --> src/drawings/canvas_interface.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use web_sys::{ console, Document, Element, 
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/drawings/random_spray.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let x = (distance_from_center * angle.cos()) + self.center.0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/drawings/random_spray.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let y = (distance_from_center * angle.sin()) + self.center.1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `distance_to_another_center` and `distance_from_edge_to_point` are never used
[INFO] [stdout]    --> src/drawings/random_spray.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Circle {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn distance_to_another_center(&self, other: Coordinates) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn distance_from_edge_to_point(&self, other: Coordinates) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `weight` is never read
[INFO] [stdout]    --> src/drawings/random_spray.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub struct CircleSize {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 146 |     radius: f64,
[INFO] [stdout] 147 |     weight: i32
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CircleSize` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/drawings/basic_circle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     &context.clear("#aaaaaa");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = &context.clear("#aaaaaa");
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/drawings/basic_circle.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     &context.draw_circle(500.0, 500.0, 200.0, 255, 128, 128, 1.0);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = &context.draw_circle(500.0, 500.0, 200.0, 255, 128, 128, 1.0);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/drawings/random_spray.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         &self.context.clear("#aaaaaa");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let _ = &self.context.clear("#aaaaaa");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/drawings/random_spray.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | /         &self.context.draw_circle(circle.get_center_x(), circle.get_center_y(), circle.radius, 
[INFO] [stdout] 64 | |             circle.color.red, circle.color.green, circle.color.blue, circle.color.alpha);
[INFO] [stdout]    | |________________________________________________________________________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let _ = &self.context.draw_circle(circle.get_center_x(), circle.get_center_y(), circle.radius, 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/drawings/random_spray.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let x = (distance_from_center * angle.cos()) + self.center.0;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/drawings/random_spray.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let y = (distance_from_center * angle.sin()) + self.center.1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `distance_to_another_center` and `distance_from_edge_to_point` are never used
[INFO] [stdout]    --> src/drawings/random_spray.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Circle {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn distance_to_another_center(&self, other: Coordinates) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     pub fn distance_from_edge_to_point(&self, other: Coordinates) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `weight` is never read
[INFO] [stdout]    --> src/drawings/random_spray.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub struct CircleSize {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 146 |     radius: f64,
[INFO] [stdout] 147 |     weight: i32
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CircleSize` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/drawings/basic_circle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     &context.clear("#aaaaaa");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let _ = &context.clear("#aaaaaa");
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/drawings/basic_circle.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     &context.draw_circle(500.0, 500.0, 200.0, 255, 128, 128, 1.0);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = &context.draw_circle(500.0, 500.0, 200.0, 255, 128, 128, 1.0);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/drawings/random_spray.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         &self.context.clear("#aaaaaa");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let _ = &self.context.clear("#aaaaaa");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/drawings/random_spray.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | /         &self.context.draw_circle(circle.get_center_x(), circle.get_center_y(), circle.radius, 
[INFO] [stdout] 64 | |             circle.color.red, circle.color.green, circle.color.blue, circle.color.alpha);
[INFO] [stdout]    | |________________________________________________________________________________________^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let _ = &self.context.draw_circle(circle.get_center_x(), circle.get_center_y(), circle.radius, 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.60
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9cd7be9b7a0f2582e6b47e2de3777cb5bf5f72b77a8a6a4a1e382faa23182f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd7be9b7a0f2582e6b47e2de3777cb5bf5f72b77a8a6a4a1e382faa23182f7f", kill_on_drop: false }`
[INFO] [stdout] 9cd7be9b7a0f2582e6b47e2de3777cb5bf5f72b77a8a6a4a1e382faa23182f7f