this derivation will be built: /nix/store/zi2s7akxa4blb99q9na8xbryjgmza9wc-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/zi2s7akxa4blb99q9na8xbryjgmza9wc-bcachefs-module-7.0.0-38-generic.drv'...