this derivation will be built:
  /nix/store/sv8higvlcp7a8kkkqw9icvih2c56g2xd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/sv8higvlcp7a8kkkqw9icvih2c56g2xd-bcachefs-module-7.0.0-39-generic.drv'...