this derivation will be built:
  /nix/store/hy71klymgygynsxq79dsiphh4c5i34bf-fast-18052.drv
building '/nix/store/hy71klymgygynsxq79dsiphh4c5i34bf-fast-18052.drv'
fast-18052> tribuchet: building on jamie
fast-18052> Error: remote build failed: no connected worker builds for system x86_64-linux
error: Cannot build '/nix/store/hy71klymgygynsxq79dsiphh4c5i34bf-fast-18052.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6867npmzrnwdinm0g1vsikgjdbq2j8jb-fast-18052
       Last 2 log lines:
       > tribuchet: building on jamie
       > Error: remote build failed: no connected worker builds for system x86_64-linux
       For full logs, run:
         nix log /nix/store/hy71klymgygynsxq79dsiphh4c5i34bf-fast-18052.drv