building '/nix/store/1kcypkrwjsh317jsyb725wxlss5x8n8r-flash_player_npapi_linux.x86_64.tar.gz.drv'...

trying https://fpdownload.adobe.com/get/flashplayer/pdc/32.0.0.314/flash_player_npapi_linux.x86_64.tar.gz

% Total % Received % Xferd Average Speed Time Time Time Current

Dload Upload Total Spent Left Speed

0 0 0 0 0 0 0 0 --:--:-- 0:00:01 --:--:-- 0

curl: (22) The requested URL returned error: 404

error: cannot download flash_player_npapi_linux.x86_64.tar.gz from any mirror

builder for '/nix/store/1kcypkrwjsh317jsyb725wxlss5x8n8r-flash_player_npapi_linux.x86_64.tar.gz.drv' failed with exit code 1

cannot build derivation '/nix/store/sc186vkxvf8p1gml88y8j8s6h3al2a7v-flashplayer-32.0.0.314.drv': 1 dependencies couldn't be built

cannot build derivation '/nix/store/8k7r4f1fi4hd9xp26awd9myq23qf407x-firefox-72.0.2.drv': 1 dependencies couldn't be built

cannot build derivation '/nix/store/ghkzznqi4x53gwvjxfayz0z2xqnb42rx-system-path.drv': 1 dependencies couldn't be built