this derivation will be built: /nix/store/3a9f60dslgazaqdwhakdjb7vn0gv182j-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/3a9f60dslgazaqdwhakdjb7vn0gv182j-bcachefs-module-7.0.0-38-generic.drv'...