V8 attempting to read resources in /pkg/bin, should be DIR_ASSETS. 

Here is the error message when running d8 as a package (bin/run_d8_v2):

Failed to open startup resource '/pkg/bin/natives_blob.bin'.
Failed to open startup resource '/pkg/bin/snapshot_blob.bin'.

#
# Fatal error in , line 0
# Check failed: (isolate->snapshot_blob()) == nullptr.