these 5 derivations will be built:
  /nix/store/0ybqhxk2faqynxqvni83vbyx3cnnbivh-Cargo.toml.drv
  /nix/store/mkycyg6q18z4qzjpi3rj8gx4p52avx90-Cargo.toml.drv
  /nix/store/4h10msq7cjb411vwayadgsh6xy2id9sp-source.drv
  /nix/store/mhrmg7iz28aidr2rw45l39ycy5fm57vx-harmonia-deps-3.2.0.drv
  /nix/store/dn6vcsp25bvgn343gvqs3g97i0cz5wx3-harmonia-clippy-3.2.0.drv