these 4 derivations will be built:
  /nix/store/lxlh45lv04x2qj64qgxari3cbfddb63j-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/n4fk3s5gzal570ly06v9br7c3612cjq7-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/pizbgm7zpmnhqspfba3nahwjjl3s05lf-iets-release-0.2.0.drv
  /nix/store/rl0q0h7sid33hv3mmry8sw6lm6bkb57d-inputDerivation-effect-release.drv
building '/nix/store/n4fk3s5gzal570ly06v9br7c3612cjq7-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/lxlh45lv04x2qj64qgxari3cbfddb63j-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/zv6l92z5z8765n18dhy9icxzfidwp58v-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/n4fk3s5gzal570ly06v9br7c3612cjq7-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/n4fk3s5gzal570ly06v9br7c3612cjq7-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/4n0a9jch4637ymyvifl5zxpxrrrlwxqg-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/pizbgm7zpmnhqspfba3nahwjjl3s05lf-iets-release-0.2.0.drv'...
building '/nix/store/rl0q0h7sid33hv3mmry8sw6lm6bkb57d-inputDerivation-effect-release.drv'...