[INFO] cloning repository https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhomura10059%2FGame-Development-with-Rust-and-WebAssembly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhomura10059%2FGame-Development-with-Rust-and-WebAssembly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11c716fbb91e4229ae0cf66ea26094a1d31b059a
[INFO] checking homura10059/Game-Development-with-Rust-and-WebAssembly/11c716fbb91e4229ae0cf66ea26094a1d31b059a against master#0ef0dd24510b52da980889546fcd15254dc56a23 for pr-126452
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhomura10059%2FGame-Development-with-Rust-and-WebAssembly" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly on toolchain 0ef0dd24510b52da980889546fcd15254dc56a23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly
[INFO] finished tweaking git repo https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly
[INFO] tweaked toml for git repo https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/homura10059/Game-Development-with-Rust-and-WebAssembly 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" "+0ef0dd24510b52da980889546fcd15254dc56a23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc1/source/part1/chapter_1/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc1/source/part1/chapter_2/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc1/source/part2/chapter_4/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc1/source/part2/chapter_5/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-3-tc1/source/part2/chapter_6/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b68d39d2bc94df4b453b08512ef27ea19263169e223b26d99ccbc437a946c63a
[INFO] running `Command { std: "docker" "start" "-a" "b68d39d2bc94df4b453b08512ef27ea19263169e223b26d99ccbc437a946c63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68d39d2bc94df4b453b08512ef27ea19263169e223b26d99ccbc437a946c63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68d39d2bc94df4b453b08512ef27ea19263169e223b26d99ccbc437a946c63a", kill_on_drop: false }`
[INFO] [stdout] b68d39d2bc94df4b453b08512ef27ea19263169e223b26d99ccbc437a946c63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f6e77e129004a4be4da300888c41e34d8e64832810029e307e8467dca36d705
[INFO] running `Command { std: "docker" "start" "-a" "0f6e77e129004a4be4da300888c41e34d8e64832810029e307e8467dca36d705", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/part1/chapter_1/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/part1/chapter_2/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/part2/chapter_4/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/part2/chapter_5/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/part2/chapter_6/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling serde v1.0.181
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.181
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.87
[INFO] [stderr]     Checking js-sys v0.3.64
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.37
[INFO] [stderr]     Checking web-sys v0.3.64
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.37
[INFO] [stderr]     Checking chapter-1 v0.1.0 (/opt/rustwide/workdir/part1/chapter_1)
[INFO] [stderr]     Checking chapter_2 v0.1.0 (/opt/rustwide/workdir/part1/chapter_2)
[INFO] [stderr]     Checking chapter_5 v0.1.0 (/opt/rustwide/workdir/part2/chapter_5)
[INFO] [stderr]     Checking chapter_4 v0.1.0 (/opt/rustwide/workdir/part2/chapter_4)
[INFO] [stderr]     Checking chapter_6 v0.1.0 (/opt/rustwide/workdir/part2/chapter_6)
[INFO] [stdout] error[E0220]: associated type `Item` not found for `futures::Future`
[INFO] [stdout]   --> part1/chapter_1/tests/app.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                ^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Item` not found for `futures::Future`
[INFO] [stdout]   --> part1/chapter_2/tests/app.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                ^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `futures::Future`
[INFO] [stdout]   --> part1/chapter_1/tests/app.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                           ^^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `futures::Future`
[INFO] [stdout]   --> part1/chapter_2/tests/app.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                           ^^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Item` not found for `futures::Future`
[INFO] [stdout]   --> part2/chapter_5/tests/app.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                ^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `futures::Future`
[INFO] [stdout]   --> part2/chapter_5/tests/app.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                           ^^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> part1/chapter_2/tests/app.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             assert_eq!(x, 42);
[INFO] [stdout]    |                           ^^ expected `Result<JsValue, JsValue>`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<JsValue, JsValue>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> part1/chapter_2/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> part1/chapter_1/tests/app.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             assert_eq!(x, 42);
[INFO] [stdout]    |                           ^^ expected `Result<JsValue, JsValue>`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<JsValue, JsValue>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys::console`
[INFO] [stdout]  --> part1/chapter_2/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use web_sys::console;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]  --> part1/chapter_2/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys::console`
[INFO] [stdout]  --> part1/chapter_2/src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use web_sys::console;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> part2/chapter_5/tests/app.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             assert_eq!(x, 42);
[INFO] [stdout]    |                           ^^ expected `Result<JsValue, JsValue>`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<JsValue, JsValue>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Item` not found for `futures::Future`
[INFO] [stdout]   --> part2/chapter_6/tests/app.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                ^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `futures::Future`
[INFO] [stdout]   --> part2/chapter_6/tests/app.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                           ^^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Item` not found for `futures::Future`
[INFO] [stdout]   --> part2/chapter_4/tests/app.rs:25:32
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                ^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Error` not found for `futures::Future`
[INFO] [stdout]   --> part2/chapter_4/tests/app.rs:25:43
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn async_test() -> impl Future<Item = (), Error = JsValue> {
[INFO] [stdout]    |                                           ^^^^^ help: `futures::Future` has the following associated type: `Output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `<impl futures::Future as futures::Future>::Output: wasm_bindgen_test::__rt::Termination` is not satisfied
[INFO] [stdout]    --> part2/chapter_5/tests/app.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout] 24  | #[wasm_bindgen_test(async)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen_test::__rt::Termination` is not implemented for `<impl futures::Future as futures::Future>::Output`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `wasm_bindgen_test::__rt::Termination`:
[INFO] [stdout]               ()
[INFO] [stdout]               Result<(), E>
[INFO] [stdout] note: required by a bound in `wasm_bindgen_test::__rt::Context::execute_async`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-test-0.3.37/src/rt/mod.rs:428:20
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn execute_async<F>(
[INFO] [stdout]     |            ------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 428 |         F::Output: Termination,
[INFO] [stdout]     |                    ^^^^^^^^^^^ required by this bound in `Context::execute_async`
[INFO] [stdout]     = note: this error originates in the attribute macro `wasm_bindgen_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `<impl futures::Future as futures::Future>::Output: wasm_bindgen_test::__rt::Termination` is not satisfied
[INFO] [stdout]    --> part1/chapter_1/tests/app.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout] 24  | #[wasm_bindgen_test(async)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen_test::__rt::Termination` is not implemented for `<impl futures::Future as futures::Future>::Output`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `wasm_bindgen_test::__rt::Termination`:
[INFO] [stdout]               ()
[INFO] [stdout]               Result<(), E>
[INFO] [stdout] note: required by a bound in `wasm_bindgen_test::__rt::Context::execute_async`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-test-0.3.37/src/rt/mod.rs:428:20
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn execute_async<F>(
[INFO] [stdout]     |            ------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 428 |         F::Output: Termination,
[INFO] [stdout]     |                    ^^^^^^^^^^^ required by this bound in `Context::execute_async`
[INFO] [stdout]     = note: this error originates in the attribute macro `wasm_bindgen_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `<impl futures::Future as futures::Future>::Output: wasm_bindgen_test::__rt::Termination` is not satisfied
[INFO] [stdout]    --> part1/chapter_2/tests/app.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout] 24  | #[wasm_bindgen_test(async)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen_test::__rt::Termination` is not implemented for `<impl futures::Future as futures::Future>::Output`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `wasm_bindgen_test::__rt::Termination`:
[INFO] [stdout]               ()
[INFO] [stdout]               Result<(), E>
[INFO] [stdout] note: required by a bound in `wasm_bindgen_test::__rt::Context::execute_async`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-test-0.3.37/src/rt/mod.rs:428:20
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn execute_async<F>(
[INFO] [stdout]     |            ------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 428 |         F::Output: Termination,
[INFO] [stdout]     |                    ^^^^^^^^^^^ required by this bound in `Context::execute_async`
[INFO] [stdout]     = note: this error originates in the attribute macro `wasm_bindgen_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> part2/chapter_5/src/browser.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> part2/chapter_6/src/browser.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> part2/chapter_4/tests/app.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             assert_eq!(x, 42);
[INFO] [stdout]    |                           ^^ expected `Result<JsValue, JsValue>`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<JsValue, JsValue>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> part2/chapter_6/tests/app.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |             assert_eq!(x, 42);
[INFO] [stdout]    |                           ^^ expected `Result<JsValue, JsValue>`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<JsValue, JsValue>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> part2/chapter_6/src/browser.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chapter_5` (test "app") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> part2/chapter_4/src/browser.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> part2/chapter_5/src/browser.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chapter_2` (test "app") due to 5 previous errors
[INFO] [stdout] error[E0277]: the trait bound `<impl futures::Future as futures::Future>::Output: wasm_bindgen_test::__rt::Termination` is not satisfied
[INFO] [stdout]    --> part2/chapter_4/tests/app.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout] 24  | #[wasm_bindgen_test(async)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen_test::__rt::Termination` is not implemented for `<impl futures::Future as futures::Future>::Output`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `wasm_bindgen_test::__rt::Termination`:
[INFO] [stdout]               ()
[INFO] [stdout]               Result<(), E>
[INFO] [stdout] note: required by a bound in `wasm_bindgen_test::__rt::Context::execute_async`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-test-0.3.37/src/rt/mod.rs:428:20
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn execute_async<F>(
[INFO] [stdout]     |            ------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 428 |         F::Output: Termination,
[INFO] [stdout]     |                    ^^^^^^^^^^^ required by this bound in `Context::execute_async`
[INFO] [stdout]     = note: this error originates in the attribute macro `wasm_bindgen_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `<impl futures::Future as futures::Future>::Output: wasm_bindgen_test::__rt::Termination` is not satisfied
[INFO] [stdout]    --> part2/chapter_6/tests/app.rs:24:1
[INFO] [stdout]     |
[INFO] [stdout] 24  | #[wasm_bindgen_test(async)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen_test::__rt::Termination` is not implemented for `<impl futures::Future as futures::Future>::Output`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `wasm_bindgen_test::__rt::Termination`:
[INFO] [stdout]               ()
[INFO] [stdout]               Result<(), E>
[INFO] [stdout] note: required by a bound in `wasm_bindgen_test::__rt::Context::execute_async`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/wasm-bindgen-test-0.3.37/src/rt/mod.rs:428:20
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn execute_async<F>(
[INFO] [stdout]     |            ------------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 428 |         F::Output: Termination,
[INFO] [stdout]     |                    ^^^^^^^^^^^ required by this bound in `Context::execute_async`
[INFO] [stdout]     = note: this error originates in the attribute macro `wasm_bindgen_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chapter-1` (test "app") due to 5 previous errors
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0220, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |             .into_serde()
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> part2/chapter_4/src/browser.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chapter_4` (test "app") due to 5 previous errors
[INFO] [stderr] error: could not compile `chapter_6` (test "app") due to 5 previous errors
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |             .into_serde()
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 success_tx.send(Ok(()));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let _ = success_tx.send(Ok(()));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 error_tx.send(Err(err));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 let _ = error_tx.send(Err(err));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         success_rx.await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let _ = success_rx.await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             context.draw_image_with_html_image_element_and_sw_and_sh_and_dx_and_dy_and_dw_and_dh(
[INFO] [stdout] 80 | |                 &image,
[INFO] [stdout] 81 | |                 sprite.frame.x.into(),
[INFO] [stdout] 82 | |                 sprite.frame.y.into(),
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |                 sprite.frame.h.into(),
[INFO] [stdout] 89 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = context.draw_image_with_html_image_element_and_sw_and_sh_and_dx_and_dy_and_dw_and_dh(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 | /         window.set_interval_with_callback_and_timeout_and_arguments_0(
[INFO] [stdout] 92 | |             interval_callback.as_ref().unchecked_ref(),
[INFO] [stdout] 93 | |             50,
[INFO] [stdout] 94 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = window.set_interval_with_callback_and_timeout_and_arguments_0(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 success_tx.send(Ok(()));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 let _ = success_tx.send(Ok(()));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 error_tx.send(Err(err));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 let _ = error_tx.send(Err(err));
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         success_rx.await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let _ = success_rx.await;
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 | /             context.draw_image_with_html_image_element_and_sw_and_sh_and_dx_and_dy_and_dw_and_dh(
[INFO] [stdout] 80 | |                 &image,
[INFO] [stdout] 81 | |                 sprite.frame.x.into(),
[INFO] [stdout] 82 | |                 sprite.frame.y.into(),
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |                 sprite.frame.h.into(),
[INFO] [stdout] 89 | |             );
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = context.draw_image_with_html_image_element_and_sw_and_sh_and_dx_and_dy_and_dw_and_dh(
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part1/chapter_2/src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 | /         window.set_interval_with_callback_and_timeout_and_arguments_0(
[INFO] [stdout] 92 | |             interval_callback.as_ref().unchecked_ref(),
[INFO] [stdout] 93 | |             50,
[INFO] [stdout] 94 | |         );
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = window.set_interval_with_callback_and_timeout_and_arguments_0(
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_5/src/game.rs:655:68
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 let sheet = browser::fetch_json("rhb.json").await?.into_serde()?;
[INFO] [stdout]     |                                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_5/src/game.rs:662:36
[INFO] [stdout]     |
[INFO] [stdout] 662 |                     platform_sheet.into_serde::<Sheet>()?,
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> part2/chapter_4/src/game.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     json.into_serde::<Sheet>()?,
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_6/src/game.rs:664:68
[INFO] [stdout]     |
[INFO] [stdout] 664 |                 let sheet = browser::fetch_json("rhb.json").await?.into_serde()?;
[INFO] [stdout]     |                                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_6/src/game.rs:671:36
[INFO] [stdout]     |
[INFO] [stdout] 671 |                     platform_sheet.into_serde::<Sheet>()?,
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_5/src/game.rs:655:68
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 let sheet = browser::fetch_json("rhb.json").await?.into_serde()?;
[INFO] [stdout]     |                                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_5/src/game.rs:662:36
[INFO] [stdout]     |
[INFO] [stdout] 662 |                     platform_sheet.into_serde::<Sheet>()?,
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_6/src/game.rs:664:68
[INFO] [stdout]     |
[INFO] [stdout] 664 |                 let sheet = browser::fetch_json("rhb.json").await?.into_serde()?;
[INFO] [stdout]     |                                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]    --> part2/chapter_6/src/game.rs:671:36
[INFO] [stdout]     |
[INFO] [stdout] 671 |                     platform_sheet.into_serde::<Sheet>()?,
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_PLATFORM` is never used
[INFO] [stdout]    --> part2/chapter_5/src/game.rs:648:7
[INFO] [stdout]     |
[INFO] [stdout] 648 | const HIGH_PLATFORM: i16 = 375;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             success_tx.send(Ok(()));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = success_tx.send(Ok(()));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let _ = error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let _ = browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 | /         keydown_sender
[INFO] [stdout] 235 | |             .borrow_mut()
[INFO] [stdout] 236 | |             .start_send(KeyPress::KeyDown(keycode));
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = keydown_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | /         keyup_sender
[INFO] [stdout] 241 | |             .borrow_mut()
[INFO] [stdout] 242 | |             .start_send(KeyPress::KeyUp(keycode));
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = keyup_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_PLATFORM` is never used
[INFO] [stdout]    --> part2/chapter_6/src/game.rs:657:7
[INFO] [stdout]     |
[INFO] [stdout] 657 | const HIGH_PLATFORM: i16 = 375;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_PLATFORM` is never used
[INFO] [stdout]    --> part2/chapter_5/src/game.rs:648:7
[INFO] [stdout]     |
[INFO] [stdout] 648 | const HIGH_PLATFORM: i16 = 375;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             success_tx.send(Ok(()));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = success_tx.send(Ok(()));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let _ = error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let _ = browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 | /         keydown_sender
[INFO] [stdout] 235 | |             .borrow_mut()
[INFO] [stdout] 236 | |             .start_send(KeyPress::KeyDown(keycode));
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = keydown_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             success_tx.send(Ok(()));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = success_tx.send(Ok(()));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | /         keyup_sender
[INFO] [stdout] 241 | |             .borrow_mut()
[INFO] [stdout] 242 | |             .start_send(KeyPress::KeyUp(keycode));
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = keyup_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let _ = error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `wasm_bindgen::JsValue::into_serde`: causes dependency cycles, use `serde-wasm-bindgen` or `gloo_utils::format::JsValueSerdeExt` instead
[INFO] [stdout]   --> part2/chapter_4/src/game.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     json.into_serde::<Sheet>()?,
[INFO] [stdout]    |                          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let _ = browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 | /         keydown_sender
[INFO] [stdout] 235 | |             .borrow_mut()
[INFO] [stdout] 236 | |             .start_send(KeyPress::KeyDown(keycode));
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = keydown_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_5/src/engine.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | /         keyup_sender
[INFO] [stdout] 241 | |             .borrow_mut()
[INFO] [stdout] 242 | |             .start_send(KeyPress::KeyUp(keycode));
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = keyup_sender
[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] [stdout] warning: type `RedHatBoy` is more private than the item `WalkTheDog::Loaded::0`
[INFO] [stdout]   --> part2/chapter_4/src/game.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Loaded(RedHatBoy),
[INFO] [stdout]    |            ^^^^^^^^^ field `WalkTheDog::Loaded::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `RedHatBoy` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> part2/chapter_4/src/game.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct RedHatBoy {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frames` is never read
[INFO] [stdout]   --> part2/chapter_4/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sheet {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 14 |     frames: HashMap<String, Cell>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `w`, and `h` are never read
[INFO] [stdout]   --> part2/chapter_4/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Rect {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 19 |     x: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     y: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     w: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 22 |     h: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frame` is never read
[INFO] [stdout]   --> part2/chapter_4/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 26 |     frame: Rect,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part2/chapter_4/src/engine.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             success_tx.send(Ok(()));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = success_tx.send(Ok(()));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part2/chapter_4/src/engine.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let _ = error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part2/chapter_4/src/engine.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_4/src/engine.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         keydown_sender
[INFO] [stdout] 138 | |             .borrow_mut()
[INFO] [stdout] 139 | |             .start_send(KeyPress::KeyDown(keycode));
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let _ = keydown_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_4/src/engine.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         keyup_sender
[INFO] [stdout] 143 | |             .borrow_mut()
[INFO] [stdout] 144 | |             .start_send(KeyPress::KeyUp(keycode));
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let _ = keyup_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `HIGH_PLATFORM` is never used
[INFO] [stdout]    --> part2/chapter_6/src/game.rs:657:7
[INFO] [stdout]     |
[INFO] [stdout] 657 | const HIGH_PLATFORM: i16 = 375;
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             success_tx.send(Ok(()));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let _ = success_tx.send(Ok(()));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |             error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let _ = error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |             browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 175 |             let _ = browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 | /         keydown_sender
[INFO] [stdout] 235 | |             .borrow_mut()
[INFO] [stdout] 236 | |             .start_send(KeyPress::KeyDown(keycode));
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 234 |         let _ = keydown_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_6/src/engine.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 | /         keyup_sender
[INFO] [stdout] 241 | |             .borrow_mut()
[INFO] [stdout] 242 | |             .start_send(KeyPress::KeyUp(keycode));
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |         let _ = keyup_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `RedHatBoy` is more private than the item `WalkTheDog::Loaded::0`
[INFO] [stdout]   --> part2/chapter_4/src/game.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Loaded(RedHatBoy),
[INFO] [stdout]    |            ^^^^^^^^^ field `WalkTheDog::Loaded::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `RedHatBoy` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> part2/chapter_4/src/game.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct RedHatBoy {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frames` is never read
[INFO] [stdout]   --> part2/chapter_4/src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Sheet {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 14 |     frames: HashMap<String, Cell>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `w`, and `h` are never read
[INFO] [stdout]   --> part2/chapter_4/src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Rect {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 19 |     x: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 20 |     y: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 21 |     w: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 22 |     h: u16,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `frame` is never read
[INFO] [stdout]   --> part2/chapter_4/src/lib.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Cell {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 26 |     frame: Rect,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part2/chapter_4/src/engine.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             success_tx.send(Ok(()));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |             let _ = success_tx.send(Ok(()));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part2/chapter_4/src/engine.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |             error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let _ = error_tx.send(Err(anyhow!("Error Loading Image: {:#?}", err)));
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> part2/chapter_4/src/engine.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = browser::request_animation_frame(f.borrow().as_ref().unwrap());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_4/src/engine.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         keydown_sender
[INFO] [stdout] 138 | |             .borrow_mut()
[INFO] [stdout] 139 | |             .start_send(KeyPress::KeyDown(keycode));
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let _ = keydown_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> part2/chapter_4/src/engine.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | /         keyup_sender
[INFO] [stdout] 143 | |             .borrow_mut()
[INFO] [stdout] 144 | |             .start_send(KeyPress::KeyUp(keycode));
[INFO] [stdout]     | |_________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let _ = keyup_sender
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f6e77e129004a4be4da300888c41e34d8e64832810029e307e8467dca36d705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6e77e129004a4be4da300888c41e34d8e64832810029e307e8467dca36d705", kill_on_drop: false }`
[INFO] [stdout] 0f6e77e129004a4be4da300888c41e34d8e64832810029e307e8467dca36d705