these 2 derivations will be built:
  /nix/store/3ri4cf740x5qb8vh4prshrj02rjn85v9-clauth-0.16.0.drv
  /nix/store/0wdk5v422jzgnalx463fk45sa0v62d18-check-clauth.drv
building '/nix/store/3ri4cf740x5qb8vh4prshrj02rjn85v9-clauth-0.16.0.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=23&system=aarch64-darwin'