Virtual memory exhausted

[native-api]

Compiling the project takes too long for a single job, Travis is timing out on me

As a side note, you should use -j<ncpus> for CPU-bound tasks like compilation. The common theory that it’s optimal to pass <ncpus+1> is not confirmed by experiment:

Python 3.7 Xenial build started to fail with “failed to map segment from shared object”

Looking around the Net, “failed to map segment from shared object” is usually accompanied by an additional message specifying the reason. Since in this case, it isn’t and due to below, this looks like an out of memory condition. Use make -j$(nproc) instead of make -j.