these 3 derivations will be built:
  /nix/store/xa5riqm2053vrqi38hskzi8vp03hmv7c-source.drv
  /nix/store/pklb7hvjaajcd8a4chszfijpi2g2x4kr-mcp-remote-0.16.0.drv
  /nix/store/lr65h8xzmf1npivfvx5k1g0h6pwz4nnr-check-mcp-remote.drv