fix wasi example

examples/wasi/main.rs

@@ -4,8 +4,9 @@
 // You can execute this example with `cargo run --example wasi`
 
 use anyhow::Result;
+use wasi_cap_std_sync::WasiCtxBuilder;
 use wasmtime::*;
-use wasmtime_wasi::{Wasi, WasiCtx};
+use wasmtime_wasi::Wasi;
 
 fn main() -> Result<()> {
     tracing_subscriber::FmtSubscriber::builder()
@@ -19,7 +20,13 @@ fn main() -> Result<()> {
     // Create an instance of `Wasi` which contains a `WasiCtx`. Note that
     // `WasiCtx` provides a number of ways to configure what the target program
     // will have access to.
-    let wasi = Wasi::new(&store, WasiCtx::new(std::env::args())?);
+    let wasi = Wasi::new(
+        &store,
+        WasiCtxBuilder::new()
+            .inherit_stdio()
+            .inherit_args()?
+            .build()?,
+    );
     wasi.add_to_linker(&mut linker)?;
 
     // Instantiate our module with the imports we've created, and run it.