this derivation will be built:
  /nix/store/fd5knabblhlzsblqcj7xh71b9gxj6gxw-flake-inputs.drv
farm.numtide.com:50051: upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, retrying
farm.numtide.com:50051: upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, retrying
farm.numtide.com:50051: upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, retrying
farm.numtide.com:50051: upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, retrying
farm.numtide.com:50051: upstream connect error or disconnect/reset before headers. reset reason: remote connection failure, retrying
farm.numtide.com:50051: upstream connect error or disconnect/reset before headers. reset reason: connection timeout, retrying
error: gRPC QueryValidPaths on 'farm.numtide.com:50051' failed: upstream connect error or disconnect/reset before headers. reset reason: connection timeout
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
error: Cannot build '/nix/store/fd5knabblhlzsblqcj7xh71b9gxj6gxw-flake-inputs.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/3f3jcrh8k389sn2c28kcqczas33iw4zx-flake-inputs