ninja check-extended
ninja bitcoind
./src/bitcoind # defaults works
./src/bitcoind -avaproofstakeutxoconfirmations=-1 -regtest # fail
./src/bitcoind -avaproofstakeutxoconfirmations=0 -regtest # fail
./src/bitcoind -avaproofstakeutxoconfirmations=1 # fail
./src/bitcoind -avaproofstakeutxoconfirmations=2015 # fail
./src/bitcoind -avaproofstakeutxoconfirmations=2016 # succeed
./src/bitcoind -avaproofstakeutxoconfirmations=2017 # fail