servant-auth-server-0.4.4.0 seems to have broken dependencies.
Relevant excerpt from the logs:
Setup: Encountered missing dependencies:
warp >=3.2.25 && <3.3
builder for '/nix/store/ccimn7hpdi6w91xfg172f5fkc5dn1r9r-servant-auth-server-0.4.4.0.drv' failed with exit code 1
cannot build derivation '/nix/store/7bhr0v8nny2hqj0zjqcxs285j6gykhn3-cachix-api-0.3.0.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/zl30fnf7f7800b1fkzl65csl3x7gj1s4-cachix-0.3.4.drv': 1 dependencies couldn't be built
error: build of '/nix/store/zl30fnf7f7800b1fkzl65csl3x7gj1s4-cachix-0.3.4.drv' failed
