these 16 derivations will be built:
  /nix/store/hfkw1q48gzi50jzs2shdn9l4ds8mv5ww-niks3-1.12.0-beta.3.drv
  /nix/store/1f1v0f41yqvmad1q67isnb9h0dac3d6g-niks3-server-customisation-layer.drv
  /nix/store/g70zn2rmz6pb5a7gczprrxvrgqxmlb4k-niks3-1.12.0-beta.3.drv
  /nix/store/h15v2vas1gh3s26psvwfbvs070z4738p-niks3-server-customisation-layer.drv
  /nix/store/dqpfplb6knpb0jzhyh80jaxq07mwg0j2-excludePaths.drv
  /nix/store/iv978ks64dhnkfjicjni0hlppw1jrpia-layers.json.drv
  /nix/store/dr3ryiwk4acyasbdwxbp4pz1hkhgqbp2-niks3-server-conf.json.drv
  /nix/store/5bs9kjwcfb6m9f8mqy2s31kbvgcr0mi5-stream-niks3-server.drv
  /nix/store/dg5xvpp82zxg3p1bbym3bmhpsfg6pbk0-niks3-server.tar.drv
  /nix/store/l594zgh65xkf181l28c6a46z1isii1pw-excludePaths.drv
  /nix/store/pzppf2ifbsx9xv8smcbibq2igpa11b1s-layers.json.drv
  /nix/store/ai4xx5pczfbmhrpkqmvimjd08i55r87c-niks3-server-conf.json.drv
  /nix/store/sckl1s5adays56vsd18px2jaj2rpcagl-stream-niks3-server.drv
  /nix/store/n7bladx6ywiyc3rbi9zh8sz4kf9948f6-niks3-server.tar.drv
  /nix/store/9cp8vnc8l13dywwy12vs9d2hcndhr8i9-images.drv
  /nix/store/kw4xdpwy4f4xb13g79j3bmwfx552f06j-niks3-server-docker.drv
building '/nix/store/g70zn2rmz6pb5a7gczprrxvrgqxmlb4k-niks3-1.12.0-beta.3.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/hfkw1q48gzi50jzs2shdn9l4ds8mv5ww-niks3-1.12.0-beta.3.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/hfkw1q48gzi50jzs2shdn9l4ds8mv5ww-niks3-1.12.0-beta.3.drv'
building '/nix/store/g70zn2rmz6pb5a7gczprrxvrgqxmlb4k-niks3-1.12.0-beta.3.drv'
niks3-1.12.0-beta.3> Running phase: unpackPhase
niks3-1.12.0-beta.3> unpacking source archive /nix/store/mkisq8bwd4akrkzcmaia8gdci6diqlcp-source
niks3-1.12.0-beta.3> source root is source
niks3-1.12.0-beta.3> Running phase: unpackPhase
niks3-1.12.0-beta.3> Running phase: patchPhase
niks3-1.12.0-beta.3> unpacking source archive /nix/store/mkisq8bwd4akrkzcmaia8gdci6diqlcp-source
niks3-1.12.0-beta.3> Running phase: updateAutotoolsGnuConfigScriptsPhase
niks3-1.12.0-beta.3> source root is source
niks3-1.12.0-beta.3> Running phase: configurePhase
niks3-1.12.0-beta.3> Running phase: patchPhase
niks3-1.12.0-beta.3> Running phase: updateAutotoolsGnuConfigScriptsPhase
niks3-1.12.0-beta.3> Running phase: configurePhase
niks3-1.12.0-beta.3> Running phase: buildPhase
niks3-1.12.0-beta.3> Building subPackage ./cmd/niks3
niks3-1.12.0-beta.3> Running phase: buildPhase
niks3-1.12.0-beta.3> Building subPackage ./cmd/niks3