this derivation will be built:
  /nix/store/4w9jfn5kxx24jkj0r45x2bijdprj496k-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/4w9jfn5kxx24jkj0r45x2bijdprj496k-bcachefs-module-7.0.0-31-generic.drv'...