this derivation will be built:
  /nix/store/q79qhgzb9fm8biphd02ps3pka315gm67-fail-4.drv
building '/nix/store/q79qhgzb9fm8biphd02ps3pka315gm67-fail-4.drv'
fail-4> tribuchet: building on jamie
error: Cannot build '/nix/store/q79qhgzb9fm8biphd02ps3pka315gm67-fail-4.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/yll04dhvlz1mcdgpn6b2al9jix5xcymb-fail-4
       Last 1 log lines:
       > tribuchet: building on jamie
       For full logs, run:
         nix log /nix/store/q79qhgzb9fm8biphd02ps3pka315gm67-fail-4.drv