these 4 derivations will be built:
  /nix/store/krnlsxcdxrxi772cds9ih6xq154f45yi-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/w82kipy93ai15v9x41k4snb3814r2cdz-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/p6lp4fmyhgcw6536ahg8d7f06cfy9nsx-iets-release-0.2.0.drv
  /nix/store/rsh8b4y68fpcbldnzsdb081ca487p4d7-inputDerivation-effect-release.drv
building '/nix/store/krnlsxcdxrxi772cds9ih6xq154f45yi-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/w82kipy93ai15v9x41k4snb3814r2cdz-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/3qplbhl386id279b1qplnk6w30935mdi-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/krnlsxcdxrxi772cds9ih6xq154f45yi-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/krnlsxcdxrxi772cds9ih6xq154f45yi-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/rmlf3j4nrnm06bv270rf3j47sgdw8d1d-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/p6lp4fmyhgcw6536ahg8d7f06cfy9nsx-iets-release-0.2.0.drv'...
building '/nix/store/rsh8b4y68fpcbldnzsdb081ca487p4d7-inputDerivation-effect-release.drv'...