this derivation will be built: /nix/store/889bl0wlxf3sk9x8axlqmc0qm2xs0jyc-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/889bl0wlxf3sk9x8axlqmc0qm2xs0jyc-bcachefs-module-7.0.0-38-generic.drv'...