this derivation will be built:
  /nix/store/k60rb7bycjnbkgnrb12k02mdrc1z439r-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/k60rb7bycjnbkgnrb12k02mdrc1z439r-bcachefs-module-7.0.0-39-generic.drv'...