these 6 derivations will be built:
  /nix/store/3p7944asvxzbd8i7rixvxikqrxv3xch7-source.drv
  /nix/store/pd2ffyqzhczq1i399573yinm7h4q3y9i-cargo-package-libc-0.2.190.drv
  /nix/store/xq244ynfdvlh0jlawj66rgdbhmp3giwi-vendor-registry.drv
  /nix/store/3xqibgrdggmpbjcgxkmy0ablb5qjhjd5-vendor-cargo-deps.drv
  /nix/store/mfvwdm8rhm00k8qqgk2z4kbw1df1f01r-tribuchet-deps-0.1.0.drv
  /nix/store/ma3m9paflr0ylcpw6l9d1ljfah48q2cx-tribuchet-0.1.0.drv