host name: Just "raw.githubusercontent.com", service name: Just "443"): does not exist (Name or service not known))

smurf  July-haskell-nix 「↪ 𝚫 ✔ 📁 」 on  (us-east-1) took 25s 
✖1 ❯ nix build
warning: Git tree '/home/cody/smurf' is dirty
trace: To make project.stack-nix for haskell-project a fixed-output derivation but not materialized, set `stack-sha256` to the output of the 'calculateMaterializedSha' script in 'passthru'.
trace: To materialize project.stack-nix for haskell-project entirely, pass a writable path as the `materialized` argument and run the 'updateMaterialized' script in 'passthru'.
trace: WARNING: `cleanSourceWith` called on /nix/store/qy510ayhgci7wksf6qzkbac6cszcg8mp-source without a `name`. Consider adding `name = "qy510ayhgci7wksf6qzkbac6cszcg8mp-source";`
error: builder for '/nix/store/pd7zjfwh977mkyd3zrjwqmdk1cnq9i9v-stack-repos.drv' failed with exit code 1;
       last 10 log lines:
       >   queryString          = ""
       >   method               = "GET"
       >   proxy                = Nothing
       >   rawBody              = False
       >   redirectCount        = 10
       >   responseTimeout      = ResponseTimeoutDefault
       >   requestVersion       = HTTP/1.1
       >   proxySecureMode      = ProxySecureWithConnect
       > }
       >  (ConnectionFailure Network.Socket.getAddrInfo (called with preferred socket type/protocol: AddrInfo {addrFlags = [AI_ADDRCONFIG], addrFamily = AF_UNSPEC, addrSocketType = Stream, addrProtocol = 0, addrAddress = 0.0.0.0:0, addrCanonName = Nothing}, host name: Just "raw.githubusercontent.com", service name: Just "443"): does not exist (Name or service not known))
       For full logs, run 'nix log /nix/store/pd7zjfwh977mkyd3zrjwqmdk1cnq9i9v-stack-repos.drv'.
(use '--show-trace' to show detailed location information)