these 5 derivations will be built:
  /nix/store/swvmbc1v9f1b5wxd7v0widl958b7ixda-vendor-registry.drv
  /nix/store/akh6bi3p0c921xgmxdr5wk6zj1l96z4n-vendor-cargo-deps.drv
  /nix/store/mjg7cxwb66dg0ai9m0ysnly0i9cyh35f-source.drv
  /nix/store/xis5slg9d236x5dnjkzaxwffmq3r38zi-tincd-deps-0.1.0.drv
  /nix/store/69hzax9mv2wjjbipbdaah9sxq3sjsa4k-tincd-test-0.1.0.drv
building '/nix/store/mjg7cxwb66dg0ai9m0ysnly0i9cyh35f-source.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/mjg7cxwb66dg0ai9m0ysnly0i9cyh35f-source.drv'