this derivation will be built:
  /nix/store/l0v4jyvc33yb138pzrngmnjl7lvvad5i-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/l0v4jyvc33yb138pzrngmnjl7lvvad5i-bcachefs-module-7.0.0-38-generic.drv'...