these 4 derivations will be built:
  /nix/store/aqysbfhprblv01wjpd8yydyhgxd0ak51-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/xxrs95h8a1qyjpxmywxqndzsmhlnyzjy-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/qdkd40ni7ia82xjpy2hryxhcaikj7g8a-iets-release-0.2.0.drv
  /nix/store/23j6lrcdg2ns4fniddyihw5fjv67chiv-inputDerivation-effect-release.drv
building '/nix/store/xxrs95h8a1qyjpxmywxqndzsmhlnyzjy-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/aqysbfhprblv01wjpd8yydyhgxd0ak51-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/2dy2ljcwzvsi8kkd1f33g2hddki50439-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/xxrs95h8a1qyjpxmywxqndzsmhlnyzjy-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/xxrs95h8a1qyjpxmywxqndzsmhlnyzjy-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/dyxlxjha2q3gih91f44bj0v67l3nybh1-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/qdkd40ni7ia82xjpy2hryxhcaikj7g8a-iets-release-0.2.0.drv'...
building '/nix/store/23j6lrcdg2ns4fniddyihw5fjv67chiv-inputDerivation-effect-release.drv'...