these 4 derivations will be built:
  /nix/store/58rd2di9fas27zba8r52wl0m0fvd3qsx-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/b064l9gglr0wyy1y8jhbxkcax2vzawkf-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/38qllw68yd8wf6yp83rymy1b9qsw8w5z-iets-release-0.2.0.drv
  /nix/store/1ljircz3k4z8ylhhgjfw5m299rf97qlr-inputDerivation-effect-release.drv
building '/nix/store/b064l9gglr0wyy1y8jhbxkcax2vzawkf-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/58rd2di9fas27zba8r52wl0m0fvd3qsx-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/ynf12p1jypvg6bkr1p95rbpjraq3lyg2-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/b064l9gglr0wyy1y8jhbxkcax2vzawkf-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/b064l9gglr0wyy1y8jhbxkcax2vzawkf-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/pwi7fasa0aa9ljaxyi8hd9658h4pnvl0-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/38qllw68yd8wf6yp83rymy1b9qsw8w5z-iets-release-0.2.0.drv'...
building '/nix/store/1ljircz3k4z8ylhhgjfw5m299rf97qlr-inputDerivation-effect-release.drv'...