FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory

I just hit this error while running depcheck on a project that has about 3200 NPM modules installed. Thought I’d share it for a heads up.

`<— Last few GCs —>

200749 ms: Mark-sweep 1387.6 (1435.2) -> 1387.6 (1435.2) MB, 1550.4 / 0.0 ms [allocation failure] [GC in old space requested]. 202167 ms: Mark-sweep 1387.6 (1435.2) -> 1387.5 (1419.2) MB, 1417.2 / 0.0 ms [last resort gc]. 203589 ms: Mark-sweep 1387.5 (1419.2) -> 1387.5 (1419.2) MB, 1422.0 / 0.0 ms [last resort gc].

<— JS stacktrace —>

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

Security context: 0x17f6253cfb39 <JS Object> 1: parseObj [/usr/local/lib/node_modules/depcheck/node_modules/babylon/lib/index.js:4020] [pc=0x14d1999b0106] (this=0x7f73ec3e619 <a Parser with map 0x3c8d0f3e9101>,isPattern=0x17f625304271 <false>,refShorthandDefaultPos=0x38749e922ee9 <an Object with map 0x3c8d0f3e7fd1>) 2: parseExprAtom [/usr/local/lib/node_modules/depcheck/node_modules/babylon/lib/index.js:~3606] [pc=0x14d199926cf4] …

FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory 1: node::Abort() [/usr/local/bin/node] 2: node::FatalException(v8::Isolate*, v8::Localv8::Value, v8::Localv8::Message) [/usr/local/bin/node] 3: v8::internal::V8::FatalProcessOutOfMemory(char const*, bool) [/usr/local/bin/node] 4: v8::internal::Factory::NewTransitionArray(int) [/usr/local/bin/node] 5: v8::internal::TransitionArray::Insert(v8::internal::Handlev8::internal::Map, v8::internal::Handlev8::internal::Name, v8::internal::Handlev8::internal::Map, v8::internal::SimpleTransitionFlag) [/usr/local/bin/node] 6: v8::internal::Map::CopyReplaceDescriptors(v8::internal::Handlev8::internal::Map, v8::internal::Handlev8::internal::DescriptorArray, v8::internal::Handlev8::internal::LayoutDescriptor, v8::internal::TransitionFlag, v8::internal::MaybeHandlev8::internal::Name, char const*, v8::internal::SimpleTransitionFlag) [/usr/local/bin/node] 7: v8::internal::Map::CopyAddDescriptor(v8::internal::Handlev8::internal::Map, v8::internal::Descriptor*, v8::internal::TransitionFlag) [/usr/local/bin/node] 8: v8::internal::Map::CopyWithField(v8::internal::Handlev8::internal::Map, v8::internal::Handlev8::internal::Name, v8::internal::Handlev8::internal::FieldType, v8::internal::PropertyAttributes, v8::internal::Representation, v8::internal::TransitionFlag) [/usr/local/bin/node] 9: v8::internal::Map::TransitionToDataProperty(v8::internal::Handlev8::internal::Map, v8::internal::Handlev8::internal::Name, v8::internal::Handlev8::internal::Object, v8::internal::PropertyAttributes, v8::internal::Object::StoreFromKeyed) [/usr/local/bin/node] 10: v8::internal::LookupIterator::PrepareTransitionToDataProperty(v8::internal::Handlev8::internal::JSObject, v8::internal::Handlev8::internal::Object, v8::internal::PropertyAttributes, v8::internal::Object::StoreFromKeyed) [/usr/local/bin/node] 11: v8::internal::StoreIC::LookupForWrite(v8::internal::LookupIterator*, v8::internal::Handlev8::internal::Object, v8::internal::Object::StoreFromKeyed) [/usr/local/bin/node] 12: v8::internal::StoreIC::UpdateCaches(v8::internal::LookupIterator*, v8::internal::Handlev8::internal::Object, v8::internal::Object::StoreFromKeyed) [/usr/local/bin/node] 13: v8::internal::StoreIC::Store(v8::internal::Handlev8::internal::Object, v8::internal::Handlev8::internal::Name, v8::internal::Handlev8::internal::Object, v8::internal::Object::StoreFromKeyed) [/usr/local/bin/node] 14: v8::internal::Runtime_StoreIC_Miss(int, v8::internal::Object**, v8::internal::Isolate*) [/usr/local/bin/node] 15: 0x14d1992092a7 16: 0x14d1999b0106 [1] 79166 abort depcheck`

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[DanielPower]

I had this issue on Node 10, but switching to Node 12 fixed it.