Fix build output in CircleCi

scripts/build/build.js

@@ -20,7 +20,7 @@ const OK = chalk.reset.inverse.bold.green(" DONE ");
 const FAIL = chalk.reset.inverse.bold.red(" FAIL ");
 
 function fitTerminal(input) {
-  const columns = Math.min(process.stdout.columns, 80);
+  const columns = Math.min(process.stdout.columns || 40, 80);
   const WIDTH = columns - stringWidth(OK) + 1;
   if (input.length < WIDTH) {
     input += Array(WIDTH - input.length).join(chalk.dim("."));