these 2 derivations will be built:
  /nix/store/vwn4qw48mi8nz7vy37027q4xyw35g3fa-flake-inputs.drv
  /nix/store/jlc49l3jd60zrzgd75lx1c063zck13mp-check-flake-inputs.drv
building '/nix/store/vwn4qw48mi8nz7vy37027q4xyw35g3fa-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/vwn4qw48mi8nz7vy37027q4xyw35g3fa-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building vwn4qw48mi8nz7vy37027q4xyw35g3fa-flake-inputs.drv
building '/nix/store/jlc49l3jd60zrzgd75lx1c063zck13mp-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/jlc49l3jd60zrzgd75lx1c063zck13mp-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building jlc49l3jd60zrzgd75lx1c063zck13mp-check-flake-inputs.drv