Warning 40: Verify was selected from type Secp256k1.Context.flag.
It is not visible in the current scope, and will not
be selected if the type becomes unknown.
File "blockchainTestParser.ml", line 159, characters 18-51:
Error: Unbound module Secp256k1.RecoverableSign
Command exited with code 2.
Compilation unsuccessful after building 109 targets (0 cached) in 00:00:05.
In Travis I see