these 2 derivations will be built:
  /nix/store/g8pp0r80q8hg959s5b3wnzj8vc6ssglh-hax-0.5.0.drv
  /nix/store/jky6c660pl7a7g5gixgp3vpk8i1p67hw-check-hax.drv
these 3 paths will be fetched (3.2 MiB download, 16.6 MiB unpacked):
  /nix/store/h9qr6kb0hwyzvzg8s43sbcxczb5b60qp-jansson-2.15.0
  /nix/store/v5mxzskqm0s3f3fyg36cjijhry0hjlgp-jansson-2.15.0-dev
  /nix/store/av7nrlz2yrbwwn4xmpdaz0swnqp36j1f-meson-1.12.1