this derivation will be built:
  /nix/store/cqygwlqfwbb2c5d08qmxyc2kaii95md6-treefmt-check.drv
building '/nix/store/cqygwlqfwbb2c5d08qmxyc2kaii95md6-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux'
error: gRPC QueryValidPaths on 'farm.numtide.com:50051' failed: worker shutting down: error: niks3 push: creating pending closures: creating pending closure: sending request: request failed after retries: Post "https://niks3.numtide.com/api/pending_closures": context canceled
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
error: Cannot build '/nix/store/cqygwlqfwbb2c5d08qmxyc2kaii95md6-treefmt-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/lq6jjx93gw88z91wbghz2wr94mx685i0-treefmt-check