this derivation will be built:
  /nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv
waiting for the big Nix store lock...
waiting for exclusive access to the Nix store...
building '/nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv'
flaky-3> flaky failure
error: build of '/nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv' on 'ssh-ng://nix@eliza' failed: Cannot build '/nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d6zmkhmxhdva2358vysv401lzr77ca2y-flaky-3
       Last 1 log lines:
       > flaky failure
       For full logs, run:
         nix log /nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv
error: Cannot build '/nix/store/4mxpxqzwzpyldz0h5i445vcl2w8j9vr1-flaky-3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d6zmkhmxhdva2358vysv401lzr77ca2y-flaky-3