chore: switch from wasm32-unknown-unknown to wasm32-wasip1 as a

workaround for our old rustc version (fails in fib tests).
See rust-lang/libm#214 (comment)
Besides, that I think we should stick to `wasm32-wasi` everywhere.

Author: greenhat

tests/integration/expected/fib.hir

@@ -6,8 +6,6 @@
 
         ;; Global Variables
         (global (export #__stack_pointer) (id 0) (type i32) (const 0))
-        (global (export #gv1) (id 1) (type i32) (const 0))
-        (global (export #gv2) (id 2) (type i32) (const 0))
 
         ;; Functions
         (func (export #fib) (param i32) (result i32)

tests/integration/expected/fib.wat

@@ -30,10 +30,6 @@
   )
   (memory (;0;) 16)
   (global $__stack_pointer (;0;) (mut i32) i32.const 1048576)
-  (global (;1;) i32 i32.const 1048576)
-  (global (;2;) i32 i32.const 1048576)
   (export "memory" (memory 0))
   (export "fib" (func $fib))
-  (export "__data_end" (global 1))
-  (export "__heap_base" (global 2))
 )

tests/integration/src/cargo_proj/mod.rs

@@ -251,14 +251,23 @@ impl ProjectBuilder {
     }
 
     fn skip_rust_compilation(&self, artifact_name: &str) -> bool {
-        let computed_artifact_path = self
+        let artifact_path_wasm32_wasi = self
+            .root()
+            .join("target")
+            .join("wasm32-wasip1")
+            .join("release")
+            .join(artifact_name)
+            .with_extension("wasm");
+        let artifact_path_wasm32_unknown = self
             .root()
             .join("target")
             .join("wasm32-unknown-unknown")
             .join("release")
             .join(artifact_name)
             .with_extension("wasm");
-        if std::env::var("SKIP_RUST").is_ok() && computed_artifact_path.exists() {
+        let artifact_exists =
+            artifact_path_wasm32_unknown.exists() || artifact_path_wasm32_wasi.exists();
+        if std::env::var("SKIP_RUST").is_ok() && (artifact_exists) {
             eprintln!("Skipping Rust compilation");
             true
         } else {

tests/integration/src/compiler_test.rs

@@ -629,7 +629,7 @@ impl CompilerTestBuilder {
         let config = CargoTest::new(artifact_name, project_dir)
             .with_build_alloc(true)
             .with_target_dir(target_dir)
-            .with_target("wasm32-unknown-unknown")
+            .with_target("wasm32-wasip1")
             .with_entrypoint(entrypoint);
         CompilerTestBuilder::new(config)
     }