nba-go seems to build okay when forked, but not when you have a source line pointing to an external URL. git clone https://github.com/elopio/nba-go.git cd nba-go git checkout snapcraft snapcraft cleanbuild ^ this works Now copy that url out to an empty dir and change the source line to be source: https://github.com/xxhomey19/nba-go.git Then "snapcraft cleanbuild". It fails to build. I'm using snapcraft, version 2.34 from candidate. yarn run v1.3.2 $ npm run clean && babel src -d lib --copy-files --ignore '**/*.spec.js' -s > nba-go@0.1.9 clean /root/build_nba-go/parts/nba-go/src > rimraf lib sh: 1: rimraf: not found npm ERR! Linux 4.10.0-38-generic npm ERR! argv "/root/build_nba-go/parts/nba-go/install/bin/node" "/root/build_nba-go/parts/nba-go/install/bin/npm" "run" "clean" npm ERR! node v6.10.2 npm ERR! npm v3.10.10 npm ERR! file sh npm ERR! code ELIFECYCLE npm ERR! errno ENOENT npm ERR! syscall spawn npm ERR! nba-go@0.1.9 clean: `rimraf lib` npm ERR! spawn ENOENT npm ERR! npm ERR! Failed at the nba-go@0.1.9 clean script 'rimraf lib'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the nba-go package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! rimraf lib npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs nba-go npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls nba-go npm ERR! There is likely additional logging output above. npm WARN Local package.json exists, but node_modules missing, did you mean to install? npm ERR! Please include the following file with any support request: npm ERR! /root/build_nba-go/parts/nba-go/src/npm-debug.log error Command failed with exit code 1. info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.