this derivation will be built: /nix/store/lnnjyfv547z8x1i0z3d28ywvi7ry9y6x-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/lnnjyfv547z8x1i0z3d28ywvi7ry9y6x-bcachefs-module-7.0.0-38-generic.drv'...