[INFO] cloning repository https://github.com/Kethku/vector-8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kethku/vector-8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKethku%2Fvector-8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKethku%2Fvector-8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22fee551f3ba0ad4ac277ef1fbeea878bc1814bb
[INFO] checking Kethku/vector-8 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKethku%2Fvector-8" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kethku/vector-8 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kethku/vector-8
[INFO] finished tweaking git repo https://github.com/Kethku/vector-8
[INFO] tweaked toml for git repo https://github.com/Kethku/vector-8 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Kethku/vector-8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 106f845c8e271a4771b24408578694cddb71b84e1aba37cb738d7355dceb0ea0
[INFO] running `Command { std: "docker" "start" "-a" "106f845c8e271a4771b24408578694cddb71b84e1aba37cb738d7355dceb0ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "106f845c8e271a4771b24408578694cddb71b84e1aba37cb738d7355dceb0ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106f845c8e271a4771b24408578694cddb71b84e1aba37cb738d7355dceb0ea0", kill_on_drop: false }`
[INFO] [stdout] 106f845c8e271a4771b24408578694cddb71b84e1aba37cb738d7355dceb0ea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed4199492d375674da91ecf7d27a04b892f7e9534691732d5f0fb60bf56b334e
[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" "ed4199492d375674da91ecf7d27a04b892f7e9534691732d5f0fb60bf56b334e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.54
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.19
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.54
[INFO] [stderr]    Compiling unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.54
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.54
[INFO] [stderr]    Compiling web-sys v0.3.31
[INFO] [stderr]     Checking euclid v0.20.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking js-sys v0.3.31
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking lyon_algorithms v0.14.0
[INFO] [stderr]     Checking lyon_tessellation v0.14.1
[INFO] [stderr]     Checking lyon v0.14.1
[INFO] [stderr]     Checking vector-8 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:161:3
[INFO] [stdout]     |
[INFO] [stdout] 161 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 162 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 163 | |     stroke_triangle(
[INFO] [stdout] 164 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 169 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:174:3
[INFO] [stdout]     |
[INFO] [stdout] 174 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 175 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 176 | |     stroke_quad(
[INFO] [stdout] 177 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 183 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:189:3
[INFO] [stdout]     |
[INFO] [stdout] 189 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 190 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 191 | |     stroke_rectangle(
[INFO] [stdout] 192 | |       &rect(x - width / 2.0, y - height / 2.0, width, height),
[INFO] [stdout] 193 | |       &stroke_options(),
[INFO] [stdout] 194 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 195 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<f32>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:42
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub extern fn js_stroke_polyline(points: Vec<f32>, closed: bool, color: f32, id_r: f32, id_g: f32, id_b: f32) {
[INFO] [stdout]     |                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:200:3
[INFO] [stdout]     |
[INFO] [stdout] 200 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 201 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 202 | |     let constructed_points = points.chunks(2).map(|chunk| point(chunk[0], chunk[1]));
[INFO] [stdout] 203 | |     stroke_polyline(
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 208 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:213:3
[INFO] [stdout]     |
[INFO] [stdout] 213 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 214 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 215 | |     stroke_circle(
[INFO] [stdout] 216 | |       point(x, y),
[INFO] [stdout] ...   |
[INFO] [stdout] 219 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 220 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:225:3
[INFO] [stdout]     |
[INFO] [stdout] 225 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 226 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 227 | |     fill_triangle(
[INFO] [stdout] 228 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 233 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:238:3
[INFO] [stdout]     |
[INFO] [stdout] 238 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 239 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 240 | |     fill_quad(
[INFO] [stdout] 241 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 246 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 247 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:252:3
[INFO] [stdout]     |
[INFO] [stdout] 252 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 253 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 254 | |     fill_rectangle(
[INFO] [stdout] 255 | |       &rect(x - width / 2.0, y - height / 2.0, width, height),
[INFO] [stdout] 256 | |       &fill_options(),
[INFO] [stdout] 257 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 258 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<f32>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:262:40
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub extern fn js_fill_polyline(points: Vec<f32>, color: f32, id_r: f32, id_g: f32, id_b: f32) {
[INFO] [stdout]     |                                        ^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:263:3
[INFO] [stdout]     |
[INFO] [stdout] 263 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 264 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 265 | |     let constructed_points = points.chunks(2).map(|chunk| point(chunk[0], chunk[1]));
[INFO] [stdout] 266 | |     fill_polyline(
[INFO] [stdout] ...   |
[INFO] [stdout] 270 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 271 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:276:3
[INFO] [stdout]     |
[INFO] [stdout] 276 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 277 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 278 | |     fill_circle(
[INFO] [stdout] 279 | |       point(x, y),
[INFO] [stdout] ...   |
[INFO] [stdout] 282 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 283 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:161:3
[INFO] [stdout]     |
[INFO] [stdout] 161 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 162 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 163 | |     stroke_triangle(
[INFO] [stdout] 164 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 168 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 169 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:174:3
[INFO] [stdout]     |
[INFO] [stdout] 174 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 175 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 176 | |     stroke_quad(
[INFO] [stdout] 177 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 182 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 183 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:189:3
[INFO] [stdout]     |
[INFO] [stdout] 189 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 190 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 191 | |     stroke_rectangle(
[INFO] [stdout] 192 | |       &rect(x - width / 2.0, y - height / 2.0, width, height),
[INFO] [stdout] 193 | |       &stroke_options(),
[INFO] [stdout] 194 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 195 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<f32>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:199:42
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub extern fn js_stroke_polyline(points: Vec<f32>, closed: bool, color: f32, id_r: f32, id_g: f32, id_b: f32) {
[INFO] [stdout]     |                                          ^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:200:3
[INFO] [stdout]     |
[INFO] [stdout] 200 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 201 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 202 | |     let constructed_points = points.chunks(2).map(|chunk| point(chunk[0], chunk[1]));
[INFO] [stdout] 203 | |     stroke_polyline(
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 208 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:213:3
[INFO] [stdout]     |
[INFO] [stdout] 213 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 214 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 215 | |     stroke_circle(
[INFO] [stdout] 216 | |       point(x, y),
[INFO] [stdout] ...   |
[INFO] [stdout] 219 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 220 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:225:3
[INFO] [stdout]     |
[INFO] [stdout] 225 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 226 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 227 | |     fill_triangle(
[INFO] [stdout] 228 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 232 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 233 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:238:3
[INFO] [stdout]     |
[INFO] [stdout] 238 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 239 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 240 | |     fill_quad(
[INFO] [stdout] 241 | |       point(x1, y1),
[INFO] [stdout] ...   |
[INFO] [stdout] 246 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 247 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:252:3
[INFO] [stdout]     |
[INFO] [stdout] 252 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 253 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 254 | |     fill_rectangle(
[INFO] [stdout] 255 | |       &rect(x - width / 2.0, y - height / 2.0, width, height),
[INFO] [stdout] 256 | |       &fill_options(),
[INFO] [stdout] 257 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 258 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<f32>`, which is not FFI-safe
[INFO] [stdout]    --> src/lib.rs:262:40
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub extern fn js_fill_polyline(points: Vec<f32>, color: f32, id_r: f32, id_g: f32, id_b: f32) {
[INFO] [stdout]     |                                        ^^^^^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]     = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:263:3
[INFO] [stdout]     |
[INFO] [stdout] 263 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 264 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 265 | |     let constructed_points = points.chunks(2).map(|chunk| point(chunk[0], chunk[1]));
[INFO] [stdout] 266 | |     fill_polyline(
[INFO] [stdout] ...   |
[INFO] [stdout] 270 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 271 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/lib.rs:276:3
[INFO] [stdout]     |
[INFO] [stdout] 276 | /   OUTPUT.with(|output_cell| {
[INFO] [stdout] 277 | |     let mut output = output_cell.borrow_mut();
[INFO] [stdout] 278 | |     fill_circle(
[INFO] [stdout] 279 | |       point(x, y),
[INFO] [stdout] ...   |
[INFO] [stdout] 282 | |       &mut ToFloatArrayWithColor::new(color, id_r, id_g, id_b, &mut output))
[INFO] [stdout] 283 | |   });
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "ed4199492d375674da91ecf7d27a04b892f7e9534691732d5f0fb60bf56b334e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4199492d375674da91ecf7d27a04b892f7e9534691732d5f0fb60bf56b334e", kill_on_drop: false }`
[INFO] [stdout] ed4199492d375674da91ecf7d27a04b892f7e9534691732d5f0fb60bf56b334e