these 6 derivations will be built:
  /nix/store/2ini62p13b1vlfsiv9bllj6hfiyarp6j-vendor-registry.drv
  /nix/store/6a3rdycd867x8301xl5shczbqxrszr26-vendor-cargo-deps.drv
  /nix/store/bd7sfanzyf5cnq94n4j5xz44z2ah2c59-tincd-deps-0.1.0.drv
  /nix/store/pcihf773xrqkhlcrlimjdh2b5aivdk6z-tinc-sptps-test-c-1.1pre18.drv
  /nix/store/rvs36hkag24qsm6fkl2sws8ldrjvphvj-tinc-tincd-c-1.1pre18.drv
  /nix/store/4b24k4idbjsrx1d69vj2whgm2ngnsl21-tincd-test-0.1.0.drv
these 4 paths will be fetched (215.0 KiB download, 609.9 KiB unpacked):
  /nix/store/j9akdswdd4925rilfy0l4b99ap4m0h6n-iperf-3.21
  /nix/store/hh3dpdbf30y7y4qas1fcz5c7gk48ikbz-iperf-3.21-dev
  /nix/store/3arf6z50f2vais1aa4x067n651k0nskc-iperf-3.21-lib
  /nix/store/3fn13nrzh8c993mmwx5dq7k6wrzvas8w-miniupnpd-2.3.10
Failed to find a machine for remote build!
derivation: pcihf773xrqkhlcrlimjdh2b5aivdk6z-tinc-sptps-test-c-1.1pre18.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
Failed to find a machine for remote build!
derivation: rvs36hkag24qsm6fkl2sws8ldrjvphvj-tinc-tincd-c-1.1pre18.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
Failed to find a machine for remote build!
derivation: 4b24k4idbjsrx1d69vj2whgm2ngnsl21-tincd-test-0.1.0.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])