make compile phase output error output

src/phases/CompilePhase.ts

@@ -22,7 +22,7 @@ export class CompilePhase extends Phase {
         })
 
         tsc.stderr.on('data', (output: Buffer) => {
-            Logger.info('tsc', output.toString('utf-8'))
+            Logger.error('tsc', output.toString('utf-8'))
         })
 
         return new Promise((res, rej) => {