this derivation will be built: /nix/store/jcnm18yr1b0902lm6n7a0s7p4wz2jpq0-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/jcnm18yr1b0902lm6n7a0s7p4wz2jpq0-bcachefs-module-7.0.0-38-generic.drv'...