this derivation will be built:
  /nix/store/16m0x8zjxq63v5cc1rg1zrzf2hpj93n6-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/16m0x8zjxq63v5cc1rg1zrzf2hpj93n6-bcachefs-module-7.0.0-39-generic.drv'...