install.log

> phantomjs-prebuilt@2.1.16 install /usr/src/app/node_modules/phantomjs-prebuilt
> node install.js

PhantomJS not found on PATH
Downloading https://github.com/Medium/phantomjs/releases/download/v2.1.1/phantomjs-2.1.1-linux-x86_64.tar.bz2
Saving to /tmp/phantomjs/phantomjs-2.1.1-linux-x86_64.tar.bz2
Receiving...

Received 4538K total.
Extracting tar contents (via spawned process)
Error extracting archive
Phantom installation failed { Error: Command failed: tar jxf /tmp/phantomjs/phantomjs-2.1.1-linux-x86_64.tar.bz2

bzip2: Compressed file ends unexpectedly;
        perhaps it is corrupted?  *Possible* reason follows.
bzip2: Inappropriate ioctl for device
        Input file = (stdin), output file = (stdout)

It is possible that the compressed file(s) have become corrupted.
You can use the -tvv option to test integrity of such files.

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

tar: Unexpected EOF in archive
tar: Unexpected EOF in archive
tar: Error is not recoverable: exiting now

    at ChildProcess.exithandler (child_process.js:199:12)
    at emitTwo (events.js:106:13)
    at ChildProcess.emit (events.js:191:7)
    at maybeClose (internal/child_process.js:920:16)
    at Socket.<anonymous> (internal/child_process.js:351:11)
    at emitOne (events.js:96:13)
    at Socket.emit (events.js:188:7)
    at Pipe._handle.close [as _onclose] (net.js:509:12)
  killed: false,
  code: 2,
  signal: null,
  cmd: 'tar jxf /tmp/phantomjs/phantomjs-2.1.1-linux-x86_64.tar.bz2' } Error: Command failed: tar jxf /tmp/phantomjs/phantomjs-2.1.1-linux-x86_64.tar.bz2

bzip2: Compressed file ends unexpectedly;
        perhaps it is corrupted?  *Possible* reason follows.
bzip2: Inappropriate ioctl for device
        Input file = (stdin), output file = (stdout)

It is possible that the compressed file(s) have become corrupted.
You can use the -tvv option to test integrity of such files.

You can use the `bzip2recover' program to attempt to recover
data from undamaged sections of corrupted files.

tar: Unexpected EOF in archive
tar: Unexpected EOF in archive
tar: Error is not recoverable: exiting now

    at ChildProcess.exithandler (child_process.js:199:12)
    at emitTwo (events.js:106:13)
    at ChildProcess.emit (events.js:191:7)
    at maybeClose (internal/child_process.js:920:16)
    at Socket.<anonymous> (internal/child_process.js:351:11)
    at emitOne (events.js:96:13)
    at Socket.emit (events.js:188:7)
    at Pipe._handle.close [as _onclose] (net.js:509:12)
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.2.2 (node_modules/chokidar/node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.4: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})
npm WARN acorn-dynamic-import@4.0.0 requires a peer of acorn@^6.0.0 but none was installed.
npm WARN highsnobiety@ No description
npm WARN highsnobiety@ No repository field.
npm WARN highsnobiety@ No license field.
npm ERR! Linux 4.9.93-linuxkit-aufs
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "install"
npm ERR! node v6.14.4
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE

npm ERR! phantomjs-prebuilt@2.1.16 install: `node install.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the phantomjs-prebuilt@2.1.16 install script 'node install.js'.
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 phantomjs-prebuilt package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node install.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs phantomjs-prebuilt
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls phantomjs-prebuilt
npm ERR! There is likely additional logging output above.