these 2 derivations will be built:
  /nix/store/vv1vi3g642vhbmf6ymzvwnkwm36yiw4q-hax-0.6.1.drv
  /nix/store/7626dr1p7s5iv876627rqb1856cslcl7-check-hax.drv
these 3 paths will be fetched (3.2 MiB download, 16.6 MiB unpacked):
  /nix/store/m35igmi2j1nk6b3glia9r8ki6i2h6nnc-jansson-2.15.0
  /nix/store/2v9y3xs78s8g4s5rb80p7hjhfpp01q27-jansson-2.15.0-dev
  /nix/store/4mm6h8v69a4mg9sxwsancrf2zsfg5gv2-meson-1.12.1