this derivation will be built: /nix/store/ibja0l4qkcfbiw8a1dwjxm17n4sa6rav-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/ibja0l4qkcfbiw8a1dwjxm17n4sa6rav-bcachefs-module-7.0.0-38-generic.drv'...