this derivation will be built:
  /nix/store/5kcm2qb8rwrzvm58k220112291ib1v5s-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/5kcm2qb8rwrzvm58k220112291ib1v5s-bcachefs-module-7.0.0-29-generic.drv'...