this derivation will be built: /nix/store/93fa56qsbm6fnv6hxl4cphrwcx55fasl-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/93fa56qsbm6fnv6hxl4cphrwcx55fasl-bcachefs-module-7.0.0-29-generic.drv'...