this derivation will be built:
  /nix/store/3mn1xqpld5pbglcybb45306j0j3kjq31-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/3mn1xqpld5pbglcybb45306j0j3kjq31-bcachefs-module-7.0.0-39-generic.drv'...