this derivation will be built: /nix/store/gadlcwbwha4f38vgrsl2vgs0zmqg49c2-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/gadlcwbwha4f38vgrsl2vgs0zmqg49c2-bcachefs-module-7.0.0-28-generic.drv'...