tests/test_media.py .....                                                [ 52%]
tests/test_models.py ..........                                          [ 61%]
tests/test_sched.py ...............................                      [ 90%]
tests/test_stats.py ...                                                  [ 93%]
tests/test_undo.py ..                                                    [ 95%]
tests/test_upgrade.py .....                                              [100%]

========================= 107 passed in 19.27 seconds ==========================
pytestcachePhase
/nix/store/z541zjfx5v0505aswz6gan5n2rjs6prh-anki-2.0.52

vidix/pci_dev_ids.c:9:33: warning: 'dev_lst_001a' defined but not used [-Wunused-const-variable=]
 static const struct device_id_s dev_lst_001a[] = {
                                 ^~~~~~~~~~~~
vidix/pci_dev_ids.c:6:33: warning: 'dev_lst_0000' defined but not used [-Wunused-const-variable=]
 static const struct device_id_s dev_lst_0000[] = {
                                 ^~~~~~~~~~~~
builder for '/nix/store/0c2d13r5ahpn2hwpxp7ag4gk701q830l-mplayer-1.3.0.drv' failed with exit code 2
cannot build derivation '/nix/store/sal5vxfcxr4dm0mhvx9rp8mx6afaaqym-fix-paths.patch.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/4a3kj7zn5y1j03i3kvk9zq5i5n6m754c-anki-2.0.52.drv': 2 dependencies couldn't be built
error: build of '/nix/store/4a3kj7zn5y1j03i3kvk9zq5i5n6m754c-anki-2.0.52.drv' failed

a) For `nixos-rebuild` you can set
  { nixpkgs.config.allowBroken = true; }
in configuration.nix to override this.

b) For `nix-env`, `nix-build`, `nix-shell` or any other Nix command you can add
  { allowBroken = true; }
to ~/.config/nixpkgs/config.nix.

/nix/store/z541zjfx5v0505aswz6gan5n2rjs6prh-anki-2.0.52