these 4 derivations will be built:
  /nix/store/l0i1yc8y3sx8s33ybgy8v2pi7kmg11hx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/mmlcr7a8hlhhbvp05qq0alf90wbvk4gj-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/gjgslkhkb1mcnjfcfwks7nzd1nkn67mi-iets-release-0.2.0.drv
  /nix/store/wijc8v49rv0nk14i0zhdfxql0fwz8nl6-inputDerivation-effect-release.drv
building '/nix/store/l0i1yc8y3sx8s33ybgy8v2pi7kmg11hx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/mmlcr7a8hlhhbvp05qq0alf90wbvk4gj-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/r6jd955xb3ahw3ps7x0wbq6smwhm4dgq-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/l0i1yc8y3sx8s33ybgy8v2pi7kmg11hx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/l0i1yc8y3sx8s33ybgy8v2pi7kmg11hx-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/d419cfwrmvjdkh31a63aayzh5a4k44w8-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/gjgslkhkb1mcnjfcfwks7nzd1nkn67mi-iets-release-0.2.0.drv'...
building '/nix/store/wijc8v49rv0nk14i0zhdfxql0fwz8nl6-inputDerivation-effect-release.drv'...