async_migration_error.js

module.exports = async function(deployer, _, accounts) {
  let someContract = await SomeContract.deployed();

  try {
    // If this contract method fails, the migration does not stop
    await someContract.someMethod(namehash(''), web3.utils.sha3("eth"), accounts[0]);
  }
  catch (err) {
      console.log('Deploy step X failed', err);
      throw new Error('Deploy step X failed');
  }
};