these 2 derivations will be built:
  /nix/store/f8v0193l5afr1zcwx8pqb8isy5plzsbn-flake-inputs.drv
  /nix/store/9379354bjkmf3i5g5rll5vlc7sr2fnr6-check-flake-inputs.drv
building '/nix/store/f8v0193l5afr1zcwx8pqb8isy5plzsbn-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-darwin&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/f8v0193l5afr1zcwx8pqb8isy5plzsbn-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building f8v0193l5afr1zcwx8pqb8isy5plzsbn-flake-inputs.drv
building '/nix/store/9379354bjkmf3i5g5rll5vlc7sr2fnr6-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/9379354bjkmf3i5g5rll5vlc7sr2fnr6-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 9379354bjkmf3i5g5rll5vlc7sr2fnr6-check-flake-inputs.drv