these 3 derivations will be built:
  /nix/store/5n27k257pf8qa4ha8ailvlhg8f46f5jk-source.drv
  /nix/store/19a988b31ghgq2d1r891fc9ygpxavp2g-hax-0.6.1.drv
  /nix/store/qj6hbl9whlz38xq5zx8mri1rfqhrdaz2-check-hax.drv
these 2 paths will be fetched (0.0 KiB download, 16.4 MiB unpacked):
  /nix/store/v5mxzskqm0s3f3fyg36cjijhry0hjlgp-jansson-2.15.0-dev
  /nix/store/av7nrlz2yrbwwn4xmpdaz0swnqp36j1f-meson-1.12.1