<--- Last few GCs --->

    [14008:0x102802a00]   419884 ms: Mark-sweep 1365.7 (1452.1) -> 1365.7 (1452.6) MB, 1159.6 / 0.0 ms  allocation failure GC in old space requested
    [14008:0x102802a00]   420772 ms: Mark-sweep 1365.7 (1452.6) -> 1365.7 (1414.6) MB, 888.1 / 0.0 ms  last resort GC in old space requested
    [14008:0x102802a00]   421551 ms: Mark-sweep 1365.7 (1414.6) -> 1365.7 (1414.6) MB, 778.6 / 0.1 ms  last resort GC in old space requested


    <--- JS stacktrace --->

    ==== JS stack trace =========================================

    Security context: 0x39e34c625739 <JSObject>
        1: DoJoin(aka DoJoin) [native array.js:~94] [pc=0x3867dd7924c2](this=0x39e3add022d1 <undefined>,o=0x39e37f4ce689 <JSArray[11582]>,p=11582,D=0x39e3add02371 <true>,z=0x39e3add02431 <String[0]: >,y=0x39e3add023e1 <false>)
        2: Join(aka Join) [native array.js:~119] [pc=0x3867dd7c58be](this=0x39e3add022d1 <undefined>,o=0x39e37f4ce689 <JSArray[11582]>,p=11582,z=0x39e3add02431<String[0]: >,y=0x3...

    FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory
     1: node::Abort() [/Users/pavel/.nvm/versions/node/v9.3.0/bin/node]
     2: node::OnFatalError(char const*, char const*) [/Users/pavel/.nvm/versions/node/v9.3.0/bin/node]
     3: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [/Users/pavel/.nvm/versions/node/v9.3.0/bin/node]
     4: v8::internal::Factory::NewRawTwoByteString(int, v8::internal::PretenureFlag) [/Users/pavel/.nvm/versions/node/v9.3.0/bin/node]
     5: v8::internal::Runtime_StringBuilderConcat(int, v8::internal::Object**, v8::internal::Isolate*) [/Users/pavel/.nvm/versions/node/v9.3.0/bin/node]
     6: 0x3867dcf842fd
     7: 0x3867dd7924c2
     8: 0x3867dd7c58be
     9: 0x3867dd795bbb
    10: 0x3867dd834e74
    11: 0x3867de284c63