Partial build log
this derivation will be built:
/nix/store/dyhzqn0hl7n3xfd191hbj9s6j0grh31f-adafruit-ampy-1.1.0.tar.gz.drv
building '/nix/store/p6rj7zmq01k62mfzj9rjcx142wwn5122-adafruit-ampy-1.1.0.tar.gz.drv'...
adafruit-ampy> error checking the existence of file:///dev/null/sha256/f4cba36f564096f2aafd173f7fbabb845365cc3bb3f41c37541edf98b58d3976:
adafruit-ampy> curl: (37) Couldn't open file /dev/null/sha256/f4cba36f564096f2aafd173f7fbabb845365cc3bb3f41c37541edf98b58d3976
adafruit-ampy> trying https://files.pythonhosted.org/packages/source/a/adafruit-ampy/adafruit-ampy-1.1.0.tar.gz
adafruit-ampy> % Total % Received % Xferd Average Speed Time Time Time Current
adafruit-ampy> Dload Upload Total Spent Left Speed
adafruit-ampy> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
adafruit-ampy> 100 17900 100 17900 0 0 38534 0 --:--:-- --:--:-- --:--:-- 38534