these 2 derivations will be built:
  /nix/store/ql7vgvpqn01mag2pc061n4c4lsrs3h4n-flake-inputs.drv
  /nix/store/0wgzhhl9ralnbzmfrnib62yw82bm3ka0-check-flake-inputs.drv
building '/nix/store/ql7vgvpqn01mag2pc061n4c4lsrs3h4n-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/ql7vgvpqn01mag2pc061n4c4lsrs3h4n-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building ql7vgvpqn01mag2pc061n4c4lsrs3h4n-flake-inputs.drv
building '/nix/store/0wgzhhl9ralnbzmfrnib62yw82bm3ka0-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/0wgzhhl9ralnbzmfrnib62yw82bm3ka0-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 0wgzhhl9ralnbzmfrnib62yw82bm3ka0-check-flake-inputs.drv