Failes on installation about cross-env HOT 5 CLOSED

npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
npm ERR! Linux 4.4.0-64-generic
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install"
npm ERR! node v7.7.1
npm ERR! npm  v4.1.2
npm ERR! path /builds/buildserver/projectname/node_modules/cross-env/bin/cross-env.js
npm ERR! code ENOENT
npm ERR! errno -2
npm ERR! syscall chmod

npm ERR! enoent ENOENT: no such file or directory, chmod '/builds/buildserver/projectname/node_modules/cross-env/bin/cross-env.js'
npm ERR! enoent ENOENT: no such file or directory, chmod '/builds/buildserver/projectname/node_modules/cross-env/bin/cross-env.js'
npm ERR! enoent This is most likely not a problem with npm itself
npm ERR! enoent and is related to npm not being able to find a file.
npm ERR! enoent 

npm ERR! Please include the following file with any support request:
npm ERR!     /builds/buildserver/projectname/npm-debug.log

ERROR: Build failed: exit code 254