[INFO] fetching crate hassium-backend-web 0.1.3...
[INFO] testing hassium-backend-web-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate hassium-backend-web 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hassium-backend-web 0.1.3
[INFO] finished tweaking crates.io crate hassium-backend-web 0.1.3
[INFO] tweaked toml for crates.io crate hassium-backend-web 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hassium-backend-web 0.1.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.31)
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[INFO] [stdout] 14b2a38b3f7a4212e12a39ffec6d4fd23d32621c5155b84e3bc5ef1b7f4065bf
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling specs v0.14.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
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[INFO] [stderr]    Compiling hassium-core v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.27
[INFO] [stderr]    Compiling web-sys v0.3.82
[INFO] [stderr]    Compiling hassium-backend-web v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/app.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn request_animation_frame(f: &Closure<FnMut()>) {
[INFO] [stdout]   |                                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn request_animation_frame(f: &Closure<dyn FnMut()>) {
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<dyn FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }) as Box<FnMut()>));
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }) as Box<dyn FnMut()>));
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::RequestInit::method`: Use `set_method()` instead.
[INFO] [stdout]   --> src/fetch.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         opts.method("GET");
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::RequestInit::mode`: Use `set_mode()` instead.
[INFO] [stdout]   --> src/fetch.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         opts.mode(RequestMode::Cors);
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Promise` that must be used
[INFO] [stdout]   --> src/fetch.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         future_to_promise(future);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = future_to_promise(future);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.81s
[INFO] running `Command { std: "docker" "inspect" "14b2a38b3f7a4212e12a39ffec6d4fd23d32621c5155b84e3bc5ef1b7f4065bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b2a38b3f7a4212e12a39ffec6d4fd23d32621c5155b84e3bc5ef1b7f4065bf", kill_on_drop: false }`
[INFO] [stdout] 14b2a38b3f7a4212e12a39ffec6d4fd23d32621c5155b84e3bc5ef1b7f4065bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 839020ac0c9cfa58ea00a3fc773d8754666355b179af2b8674b95da851bc250f
[INFO] running `Command { std: "docker" "start" "-a" "839020ac0c9cfa58ea00a3fc773d8754666355b179af2b8674b95da851bc250f", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/app.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn request_animation_frame(f: &Closure<FnMut()>) {
[INFO] [stdout]   |                                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn request_animation_frame(f: &Closure<dyn FnMut()>) {
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<dyn FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hassium-backend-web v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }) as Box<FnMut()>));
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }) as Box<dyn FnMut()>));
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::RequestInit::method`: Use `set_method()` instead.
[INFO] [stdout]   --> src/fetch.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         opts.method("GET");
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::RequestInit::mode`: Use `set_mode()` instead.
[INFO] [stdout]   --> src/fetch.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         opts.mode(RequestMode::Cors);
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Promise` that must be used
[INFO] [stdout]   --> src/fetch.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         future_to_promise(future);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = future_to_promise(future);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/app.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn request_animation_frame(f: &Closure<FnMut()>) {
[INFO] [stdout]   |                                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn request_animation_frame(f: &Closure<dyn FnMut()>) {
[INFO] [stdout]   |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fetch.rs:26:51
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<dyn FetchProcessReader>, FetchStatus> {
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:69:19
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }) as Box<FnMut()>));
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |         }) as Box<dyn FnMut()>));
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::RequestInit::method`: Use `set_method()` instead.
[INFO] [stdout]   --> src/fetch.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |         opts.method("GET");
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `web_sys::RequestInit::mode`: Use `set_mode()` instead.
[INFO] [stdout]   --> src/fetch.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |         opts.mode(RequestMode::Cors);
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Promise` that must be used
[INFO] [stdout]   --> src/fetch.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         future_to_promise(future);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let _ = future_to_promise(future);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "839020ac0c9cfa58ea00a3fc773d8754666355b179af2b8674b95da851bc250f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839020ac0c9cfa58ea00a3fc773d8754666355b179af2b8674b95da851bc250f", kill_on_drop: false }`
[INFO] [stdout] 839020ac0c9cfa58ea00a3fc773d8754666355b179af2b8674b95da851bc250f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17fcf520e149305754b71c73aca058b33bd8aad554830230b0f81c0e90b98e64
[INFO] running `Command { std: "docker" "start" "-a" "17fcf520e149305754b71c73aca058b33bd8aad554830230b0f81c0e90b98e64", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/app.rs:9:40
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn request_animation_frame(f: &Closure<FnMut()>) {
[INFO] [stderr]   |                                        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn request_animation_frame(f: &Closure<dyn FnMut()>) {
[INFO] [stderr]   |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch.rs:26:51
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<FetchProcessReader>, FetchStatus> {
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn fetch(&mut self, path: &str) -> Result<Box<dyn FetchProcessReader>, FetchStatus> {
[INFO] [stderr]    |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:69:19
[INFO] [stderr]    |
[INFO] [stderr] 69 |         }) as Box<FnMut()>));
[INFO] [stderr]    |                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 69 |         }) as Box<dyn FnMut()>));
[INFO] [stderr]    |                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `web_sys::RequestInit::method`: Use `set_method()` instead.
[INFO] [stderr]   --> src/fetch.rs:28:14
[INFO] [stderr]    |
[INFO] [stderr] 28 |         opts.method("GET");
[INFO] [stderr]    |              ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `web_sys::RequestInit::mode`: Use `set_mode()` instead.
[INFO] [stderr]   --> src/fetch.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |         opts.mode(RequestMode::Cors);
[INFO] [stderr]    |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Promise` that must be used
[INFO] [stderr]   --> src/fetch.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         future_to_promise(future);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let _ = future_to_promise(future);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `hassium-backend-web` (lib) generated 6 warnings (run `cargo fix --lib -p hassium-backend-web` to apply 3 suggestions)
[INFO] [stderr] warning: `hassium-backend-web` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hassium_backend_web-16d26d292504b9d8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hassium_backend_web
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17fcf520e149305754b71c73aca058b33bd8aad554830230b0f81c0e90b98e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17fcf520e149305754b71c73aca058b33bd8aad554830230b0f81c0e90b98e64", kill_on_drop: false }`
[INFO] [stdout] 17fcf520e149305754b71c73aca058b33bd8aad554830230b0f81c0e90b98e64
