these 4 derivations will be built:
  /nix/store/a528vr0zzs9djlkdmc25m03vx8i8mmrn-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/pj8r8aq0g6nxgd1gd2c5vgmjlk9pqscq-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/l7yw2k5g2hh5w20b24rkvgmnz6dz0172-iets-release-0.2.0.drv
  /nix/store/jfhycsx0jvrans8isn0kgg04lvr6gn7m-inputDerivation-effect-release.drv
building '/nix/store/a528vr0zzs9djlkdmc25m03vx8i8mmrn-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/pj8r8aq0g6nxgd1gd2c5vgmjlk9pqscq-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/7lqvfj09ikk4bi5crxnzqya6sj4wphrw-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/a528vr0zzs9djlkdmc25m03vx8i8mmrn-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/a528vr0zzs9djlkdmc25m03vx8i8mmrn-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/4g6vdigz4rd84mrm1w37s7i55hs0937m-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/l7yw2k5g2hh5w20b24rkvgmnz6dz0172-iets-release-0.2.0.drv'...
building '/nix/store/jfhycsx0jvrans8isn0kgg04lvr6gn7m-inputDerivation-effect-release.drv'...