this derivation will be built: /nix/store/8cc6a8c0my26vc1ikr77blcavnxa693q-bcachefs-module-7.0.0-39-generic.drv building '/nix/store/8cc6a8c0my26vc1ikr77blcavnxa693q-bcachefs-module-7.0.0-39-generic.drv'...