[INFO] cloning repository https://github.com/Alex-Nascimentoo/learn-yew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alex-Nascimentoo/learn-yew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-Nascimentoo%2Flearn-yew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-Nascimentoo%2Flearn-yew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] edc7fde8c7a772606e74f99041a388246383b679
[INFO] testing Alex-Nascimentoo/learn-yew against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex-Nascimentoo%2Flearn-yew" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alex-Nascimentoo/learn-yew on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alex-Nascimentoo/learn-yew
[INFO] finished tweaking git repo https://github.com/Alex-Nascimentoo/learn-yew
[INFO] tweaked toml for git repo https://github.com/Alex-Nascimentoo/learn-yew written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Alex-Nascimentoo/learn-yew 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prokio v0.1.0
[INFO] [stderr]   Downloaded gloo-console v0.3.0
[INFO] [stderr]   Downloaded yew-router-macro v0.18.0
[INFO] [stderr]   Downloaded yew-router v0.18.0
[INFO] [stderr]   Downloaded implicit-clone v0.4.1
[INFO] [stderr]   Downloaded gloo-history v0.2.1
[INFO] [stderr]   Downloaded gloo-utils v0.2.0
[INFO] [stderr]   Downloaded gloo-render v0.2.0
[INFO] [stderr]   Downloaded pinned v0.1.0
[INFO] [stderr]   Downloaded gloo-net v0.4.0
[INFO] [stderr]   Downloaded gloo-file v0.3.0
[INFO] [stderr]   Downloaded serde-wasm-bindgen v0.6.1
[INFO] [stderr]   Downloaded gloo-worker-macros v0.1.0
[INFO] [stderr]   Downloaded yew v0.21.0
[INFO] [stderr]   Downloaded yew-macro v0.21.0
[INFO] [stderr]   Downloaded gloo v0.10.0
[INFO] [stderr]   Downloaded gloo-worker v0.4.0
[INFO] [stderr]   Downloaded gloo-storage v0.3.0
[INFO] [stderr]   Downloaded gloo-events v0.2.0
[INFO] [stderr]   Downloaded gloo-dialogs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2bccfc8ce8ee019bb2785c5166b81dbe0e28c0dce44d448522b9fef9d20eaf0
[INFO] running `Command { std: "docker" "start" "-a" "f2bccfc8ce8ee019bb2785c5166b81dbe0e28c0dce44d448522b9fef9d20eaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2bccfc8ce8ee019bb2785c5166b81dbe0e28c0dce44d448522b9fef9d20eaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2bccfc8ce8ee019bb2785c5166b81dbe0e28c0dce44d448522b9fef9d20eaf0", kill_on_drop: false }`
[INFO] [stdout] f2bccfc8ce8ee019bb2785c5166b81dbe0e28c0dce44d448522b9fef9d20eaf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878af3d67919d620ae943bb6e80db7930946e210226e0d6f2821fc08aa0294a2
[INFO] running `Command { std: "docker" "start" "-a" "878af3d67919d620ae943bb6e80db7930946e210226e0d6f2821fc08aa0294a2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling gloo-events v0.2.0
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[INFO] [stderr]    Compiling gloo v0.10.0
[INFO] [stderr]    Compiling yew v0.21.0
[INFO] [stderr]    Compiling yew-router v0.18.0
[INFO] [stderr]    Compiling yew-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `wasm_bindgen_futures`
[INFO] [stdout]  --> src/pages/contact.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use wasm_bindgen_futures;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RequestInit`, `Request`
[INFO] [stdout]  --> src/pages/contact.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use web_sys::{Request, RequestInit, console, wasm_bindgen::JsValue};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/pages/contact.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /   async {
[INFO] [stdout] 31 | |     // async fn fetch_data() -> Result<(), crate::pages::contact::JsValue> {
[INFO] [stdout] 32 | |     //   let mut opts = RequestInit::new();
[INFO] [stdout] 33 | |     //   opts.method("GET");
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |       .await?
[INFO] [stdout]    | |             ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     console::log_1(&JsValue::from(&result));
[INFO] [stdout] 51 | |   };
[INFO] [stdout]    | |___- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, reqwest::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in an async block that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/pages/contact.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /   async {
[INFO] [stdout] 31 | |     // async fn fetch_data() -> Result<(), crate::pages::contact::JsValue> {
[INFO] [stdout] 32 | |     //   let mut opts = RequestInit::new();
[INFO] [stdout] 33 | |     //   opts.method("GET");
[INFO] [stdout] ...  |
[INFO] [stdout] 48 | |       .await?;
[INFO] [stdout]    | |             ^ cannot use the `?` operator in an async block that returns `()`
[INFO] [stdout] 49 | |
[INFO] [stdout] 50 | |     console::log_1(&JsValue::from(&result));
[INFO] [stdout] 51 | |   };
[INFO] [stdout]    | |___- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromResidual<Result<Infallible, reqwest::Error>>` is not implemented for `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yew-app` (bin "yew-app") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "878af3d67919d620ae943bb6e80db7930946e210226e0d6f2821fc08aa0294a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878af3d67919d620ae943bb6e80db7930946e210226e0d6f2821fc08aa0294a2", kill_on_drop: false }`
[INFO] [stdout] 878af3d67919d620ae943bb6e80db7930946e210226e0d6f2821fc08aa0294a2
