this derivation will be built: /nix/store/chkpx8fy14c7fhpyvjhb9c4n5vdy3cvg-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/chkpx8fy14c7fhpyvjhb9c4n5vdy3cvg-bcachefs-module-7.0.0-39-generic.drv'...