this derivation will be built:
  /nix/store/r7cmfprdvfigb0xdpykqxsjazgq1hxbr-flaky-4.drv
error: Cannot build '/nix/store/r7cmfprdvfigb0xdpykqxsjazgq1hxbr-flaky-4.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/9rklr2jn3hh2rafaxdw27ac7p2mqcs3d-flaky-4
       Last 2 log lines:
       > tribuchet: building on jamie
       > flaky failure
       For full logs, run:
         nix log /nix/store/r7cmfprdvfigb0xdpykqxsjazgq1hxbr-flaky-4.drv