this derivation will be built:
  /nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv
waiting for the big Nix store lock...
building '/nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv' on 'ssh-ng://nix@eliza'
building '/nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv'
fail-3> this build is supposed to fail
error: build of '/nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv' on 'ssh-ng://nix@eliza' failed: Cannot build '/nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xzxp4ca0w6r6ls9ljwi3bavxpd1ikfkg-fail-3
       Last 1 log lines:
       > this build is supposed to fail
       For full logs, run:
         nix log /nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv
error: Cannot build '/nix/store/7vq2ggwahn4zcn6w73z1i0w47g9xr6y4-fail-3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/xzxp4ca0w6r6ls9ljwi3bavxpd1ikfkg-fail-3