$ npm install --save-dev babel-cli
npm WARN rollback Rolling back ansi-regex@2.1.1 failed (this is probably harmless): ETXTBSY: text file is busy, unlink '/home/vagrant/code/node/test/node_modules/ansi-regex/package.json.2739204596'
npm WARN rollback Rolling back ansi-styles@2.2.1 failed (this is probably harmless): ETXTBSY: text file is busy, unlink '/home/vagrant/code/node/test/node_modules/ansi-styles/package.json.2739791237'
npm WARN rollback Rolling back arr-diff@2.0.0 failed (this is probably harmless): ETXTBSY: text file is busy, unlink '/home/vagrant/code/node/test/node_modules/arr-diff/package.json.2336313770'
...
npm WARN test@1.0.0 No description
npm WARN test@1.0.0 No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: arr-flatten@1.1.0 (node_modules/arr-flatten):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: ETXTBSY: text file is busy, rename '/home/vagrant/code/node/test/node_modules/arr-flatten/package.json.285927042' -> '/home/vagrant/code/node/test/node_modules/arr-flatten/package.json'
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: arr-diff@2.0.0 (node_modules/arr-diff):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: ETXTBSY: text file is busy, rename '/home/vagrant/code/node/test/node_modules/arr-diff/package.json.2336313770' -> '/home/vagrant/code/node/test/node_modules/arr-diff/package.json'
...
npm ERR! Maximum call stack size exceeded
npm ERR! A complete log of this run can be found in:
npm ERR! /home/vagrant/.npm/_logs/2018-06-09T05_33_05_986Z-debug.log