this derivation will be built:
  /nix/store/y3dr9k46wq29p99yg46477w65c4w1bc6-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/y3dr9k46wq29p99yg46477w65c4w1bc6-bcachefs-module-7.0.0-31-generic.drv'...