these 4 derivations will be built:
  /nix/store/prb0vpvnynqy2yd4w9wyf6mn6jwq0caz-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/w151hy9cj7gq1k052mdvjpxai91f3nyg-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/gs47ih0f5iiqpavpzdq8ng6yj53yrw4y-iets-release-0.2.0.drv
  /nix/store/nss47by06ic9i59v8qzaj1m6ssa8ppq4-inputDerivation-effect-release.drv
building '/nix/store/w151hy9cj7gq1k052mdvjpxai91f3nyg-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/prb0vpvnynqy2yd4w9wyf6mn6jwq0caz-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/vfxls7zr1xracf26zwwspjirg09zwiqa-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/w151hy9cj7gq1k052mdvjpxai91f3nyg-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/w151hy9cj7gq1k052mdvjpxai91f3nyg-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/wg1girp9hdz3gmw0pw95j8fswp5q03wi-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/gs47ih0f5iiqpavpzdq8ng6yj53yrw4y-iets-release-0.2.0.drv'...
building '/nix/store/nss47by06ic9i59v8qzaj1m6ssa8ppq4-inputDerivation-effect-release.drv'...