Why is Phantomjs crashing?

Question

PhantomJS

Hello. There is Phantomjs + Selenium on the server.
From time to time it crashes, in the console there is such a message:

1   0x1b67967 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1b67967]
2   0x1b91e92 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1b91e92]
3   0x1b91f58 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1b91f58]
4   0x1aa48a0 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1aa48a0]
5   0x188f2a5 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x188f2a5]
6   0x188fad5 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x188fad5]
7   0x1aad842 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1aad842]
8   0x1892c94 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1892c94]
9   0x22f8909 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x22f8909]
10  0x4ac3bc /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x4ac3bc]
11  0x4b0000 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x4b0000]
12  0x22d1036 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x22d1036]
13  0x231633c /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x231633c]
14  0x23146e0 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x23146e0]
15  0x1bbf4b5 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x1bbf4b5]
16  0x22cf7a9 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x22cf7a9]
17  0x22d4585 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x22d4585]
18  0x415b9a /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x415b9a]
19  0x7fa656729b35 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fa656729b35]
20  0x4176a1 /usr/lib/node_modules/phantomjs/lib/phantom/bin/phantomjs() [0x4176a1]
PhantomJS has crashed. Please read the bug reporting guide at
<http://phantomjs.org/bug-reporting.html> and file a bug report.

And does not write where the file with error logs is.
And also this:

[INFO  - 2017-07-24T08:03:02.397Z] SessionManagerReqHand - _postNewSessionCommand - New Session Created: 841304b0-7046-11e7-bd95-e1aabb5b9547
[INFO  - 2017-07-24T08:07:42.095Z] SessionManagerReqHand - _cleanupWindowlessSessions - Asynchronous Sessions clean-up phase starting NOW
[INFO  - 2017-07-24T08:12:42.095Z] SessionManagerReqHand - _cleanupWindowlessSessions - Asynchronous Sessions clean-up phase starting NOW
[INFO  - 2017-07-24T08:17:42.095Z] SessionManagerReqHand - _cleanupWindowlessSessions - Asynchronous Sessions clean-up phase starting NOW
[INFO  - 2017-07-24T08:22:42.095Z] SessionManagerReqHand - _cleanupWindowlessSessions - Asynchronous Sessions clean-up phase starting NOW