Error: build fails when using npm @3.3.5

[psyrendust]

Submitted issue to npm: npm/npm#9818

[lukeed]

👍

Failed using npm@5.1.0, but succeeded using npm@2.11.3.

This seems to be the root cause of the error(s):

npm ERR! Refusing to delete: /private/var/folders/9x/fv88bwp92kn8czwgslsnj1280000gn/T/electron-packager/linux-ia32/Unicorn-linux-ia32/resources/app/node_modules/.bin/acorn not in /private/var/folders/9x/fv88bwp92kn8czwgslsnj1280000gn/T/electron-packager/linux-ia32/Unicorn-linux-ia32/resources/app/node_modules/acorn
File exists: /private/var/folders/9x/fv88bwp92kn8czwgslsnj1280000gn/T/electron-packager/linux-ia32/Unicorn-linux-ia32/resources/app/node_modules/.bin/acorn
Move it away, and try again.

[sindresorhus]

This is no longer an issue.