impl From<anyhow::Error> for Trap (#1753)

* From<anyhow::Error> for Trap

* Add TrapReason::Error

* wasmtime: Improve Error to Trap conversion

* Remove Trap::message

crates/c-api/src/error.rs

@@ -10,8 +10,8 @@ pub struct wasmtime_error_t {
 wasmtime_c_api_macros::declare_own!(wasmtime_error_t);
 
 impl wasmtime_error_t {
-    pub(crate) fn to_trap(&self) -> Box<wasm_trap_t> {
-        Box::new(wasm_trap_t::new(Trap::new(format!("{:?}", self.error))))
+    pub(crate) fn to_trap(self) -> Box<wasm_trap_t> {
+        Box::new(wasm_trap_t::new(Trap::from(self.error)))
     }
 }