this derivation will be built:
  /nix/store/pypj82lqm6nad9lar41d98wsii67gqy4-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/pypj82lqm6nad9lar41d98wsii67gqy4-bcachefs-module-7.0.0-38-generic.drv'...