this derivation will be built:
  /nix/store/zjpr9i2mhcgpyr581j69bhrf87s403xd-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/zjpr9i2mhcgpyr581j69bhrf87s403xd-bcachefs-module-7.0.0-29-generic.drv'...