this derivation will be built: /nix/store/7d72rp2n99ypqi75712xvpbg28axjmn6-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/7d72rp2n99ypqi75712xvpbg28axjmn6-bcachefs-module-7.0.0-28-generic.drv'...