complex-workspace.test.ts: print the results on failure

test/cli/install/migration/complex-workspace.test.ts

@@ -6,6 +6,7 @@ import { tmpdir } from "os";
 import { join } from "path";
 
 let cwd = join(tmpdir(), "complex-workspace-test" + Math.random().toString(36).slice(2, 8));
+let did_init = false;
 
 function validate(packageName: string, version: string, realPackageName?: string) {
   test(`${packageName} is ${realPackageName ? `${realPackageName}@${version}` : version}`, () => {
@@ -44,27 +45,35 @@ test("the install succeeds", async () => {
   var subprocess = Bun.spawn([bunExe(), "reset.ts"], {
     env: bunEnv,
     cwd,
-    stdio: ["ignore", "ignore", "ignore"],
+    stdio: ["ignore", "pipe", "pipe"],
   });
   await subprocess.exited;
   if (subprocess.exitCode != 0) {
     cwd = false as any;
+    const err = await new Response(subprocess.stderr).text();
+    const out = await new Response(subprocess.stdout).text();
+    console.log({ err, out });
     throw new Error("Failed to install");
   }
 
   subprocess = Bun.spawn([bunExe(), "install"], {
     env: bunEnv,
     cwd,
-    stdio: ["ignore", "ignore", "ignore"],
+    stdio: ["ignore", "pipe", "pipe"],
   });
 
   await subprocess.exited;
   if (subprocess.exitCode != 0) {
     cwd = false as any;
+    const err = await new Response(subprocess.stderr).text();
+    const out = await new Response(subprocess.stdout).text();
+    console.log({ err, out });
     throw new Error("Failed to install");
   }
 }, 10000);
 
+if (!did_init) throw new Error("Failed to install");
+
 // bun-types
 validate("node_modules/bun-types", "1.0.0");
 mustExist("node_modules/bun-types/isfake.txt");