this derivation will be built:
  /nix/store/agm6rpv8lx0qpskdw73831hvzlh2xd9n-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/agm6rpv8lx0qpskdw73831hvzlh2xd9n-bcachefs-module-7.0.0-28-generic.drv'...