these 5 derivations will be built:
  /nix/store/4jzfnx1agkq78c1sah2986jd9a2qmdm8-source.drv
  /nix/store/n8s93g99nyrzkq28v515h3x0681sn7x1-vendor-registry.drv
  /nix/store/qcphmrh00g6lw6rw8awh9c5la868p02r-vendor-cargo-deps.drv
  /nix/store/8fksk0a77gjnc8x7jg969mzfwv5c2lm9-harmonia-deps-3.1.0.drv
  /nix/store/89n4algxj0101l8da062k0fkwqzkdf5i-harmonia-3.1.0.drv