these 2 derivations will be built:
  /nix/store/wc10dyiqd5ywkdac4mra04mz3h75b2y7-flake-inputs.drv
  /nix/store/9qm5b40nf4vmzv82gijgdc3nkdigmzn5-check-flake-inputs.drv
building '/nix/store/wc10dyiqd5ywkdac4mra04mz3h75b2y7-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/wc10dyiqd5ywkdac4mra04mz3h75b2y7-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building wc10dyiqd5ywkdac4mra04mz3h75b2y7-flake-inputs.drv
building '/nix/store/9qm5b40nf4vmzv82gijgdc3nkdigmzn5-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&restart-grace=900&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/9qm5b40nf4vmzv82gijgdc3nkdigmzn5-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9qm5b40nf4vmzv82gijgdc3nkdigmzn5-check-flake-inputs.drv