these 6 derivations will be built:
  /nix/store/0jdalm3wcgxfhhi143mdw3scix1gcnvw-cargo-package-syn-3.0.4.drv
  /nix/store/5cr6r2vs5p5gdl9rwfnd51wj3fbj517z-vendor-registry.drv
  /nix/store/vfhgd21y6xi59d8d0xj8awa3bbw8rljf-vendor-cargo-deps.drv
  /nix/store/zir0a3dq6mga2r4j3r772lglk2r1a6w8-source.drv
  /nix/store/fxhlibd9541lvra42g76md3hlkyvwy97-harmonia-deps-3.2.0.drv
  /nix/store/zfc9lkvbpax1ma9r35l4rr26ghkhq0qw-harmonia-llvm-cov-3.2.0.drv