Failure

ofborg-eval-lib-tests

warning: ignoring the user-specified setting 'restrict-eval', because it is a restricted setting and you are not a trusted user
these derivations will be built:
  /nix/store/a5y7z775fsfdz08v11xmlgk4mpf1dnjh-nix-2.3.10.tar.xz.drv
  /nix/store/h4y7j8dq3zw2ry7qg1yg173dw8fnsnkf-nix-2.3.10.drv
  /nix/store/sdajycvlr2akbf8jlkiylf43cxsy5z8c-nixpkgs-lib-tests.drv
building '/nix/store/a5y7z775fsfdz08v11xmlgk4mpf1dnjh-nix-2.3.10.tar.xz.drv'...

trying https://nixos.org/releases/nix/nix-2.3.10/nix-2.3.10.tar.xz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100    74  100    74    0     0   4625      0 --:--:-- --:--:-- --:--:--  4625
100  832k  100  832k    0     0  5108k      0 --:--:-- --:--:-- --:--:-- 5108k
hash mismatch in fixed-output derivation '/nix/store/0r4cd5lvqahxkd55yy093ibiyszd2qxz-nix-2.3.10.tar.xz':
  wanted: sha256:0a61c5d7g07iqi5hksq497y93ivr32zhnrz6c4aqp9q5afcxga49
  got:    sha256:1axphwkx270c10bjyn4icq9wlx46npgnw0qkpymigl23vramxa58
cannot build derivation '/nix/store/h4y7j8dq3zw2ry7qg1yg173dw8fnsnkf-nix-2.3.10.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/sdajycvlr2akbf8jlkiylf43cxsy5z8c-nixpkgs-lib-tests.drv': 1 dependencies couldn't be built
error: build of '/nix/store/sdajycvlr2akbf8jlkiylf43cxsy5z8c-nixpkgs-lib-tests.drv' failed