this derivation will be built:
  /nix/store/0y7gyfq1bh0v6i8i1qgff347f8whcdgr-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/0y7gyfq1bh0v6i8i1qgff347f8whcdgr-bcachefs-module-7.0.0-29-generic.drv'...