these 2 derivations will be built:
  /nix/store/nnyn3n6d4i92xcri75q5j4aihikai8yk-cargo-vendor-dir.drv
  /nix/store/1hjdsy7gyrh01l20dpzjl9mzmlg0s0dh-horae-tests-0.1.0.drv
building '/nix/store/1hjdsy7gyrh01l20dpzjl9mzmlg0s0dh-horae-tests-0.1.0.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=22&system=aarch64-darwin'
building '/nix/store/1hjdsy7gyrh01l20dpzjl9mzmlg0s0dh-horae-tests-0.1.0.drv' on farm.numtide.com:50051
horae-tests-0.1.0> mac02: building 1hjdsy7gyrh01l20dpzjl9mzmlg0s0dh-horae-tests-0.1.0.drv
horae-tests-0.1.0> Running phase: unpackPhase
horae-tests-0.1.0> unpacking source archive /nix/store/a5f7bz0qcjg1md874b7mqkp6kcv4qvam-source
horae-tests-0.1.0> source root is source
horae-tests-0.1.0> Executing cargoSetupPostUnpackHook