these 2 derivations will be built:
  /nix/store/1243rb2fzqngvcp9japvqcvixwdf1pxv-snes9x-1.53-cross-compile.patch.drv
  /nix/store/cqf9afbz1a2s834yjd1cgm37jg52x2yb-snes9x-gtk-1.61.drv
these 11 paths will be fetched (2.5 MiB download, 18.0 MiB unpacked):
  /nix/store/xkdbr24g9f7kxa6z6g77494yildh4j1l-atkmm-2.28.3
  /nix/store/airc2qmrxks63lqjvmxbwb0zclqd4v8b-atkmm-2.28.3-dev
  /nix/store/z5xih79b355kg41qg5nmk039vsajn8g7-cairomm-1.14.4
  /nix/store/56ys7fxr3hj240l5ff6gyqdnn0f2gv5r-cairomm-1.14.4-dev
  /nix/store/h1nf6fw519ibblgl9z9hjx63qnsdpc9q-glibmm-2.66.5-dev
  /nix/store/g4phrqjp7dhyxwabia55jzpysbp7l16v-gtkmm-3.24.7
  /nix/store/fwcd2md8f8ic4n7mgjqxv74iay1r1zkj-gtkmm-3.24.7-dev
  /nix/store/nqcrvllhx0lzfrbkyk40c3q1lyc6nkzc-libepoxy-1.5.10-dev
  /nix/store/3kz9q75m3lwj5d7ijp4jvq5jwrsxzh5c-pangomm-2.46.3
  /nix/store/v7ca3kf9s4mc0yxffyyx65zhw976am0l-pangomm-2.46.3-dev
  /nix/store/wwhsfgy4dnpld4415zzbxk041mawc84c-portaudio-190700_20210406
building '/nix/store/1k8bw2l4dfmi30dwmfil36vszpj9vps5-snes9x-1.53-cross-compile.patch.drv'
snes9x-1.53-cross-compile.patch> 
snes9x-1.53-cross-compile.patch> trying https://mirror.its.dal.ca/gentoo-portage/games-emulation/snes9x/files/snes9x-1.53-cross-compile.patch
snes9x-1.53-cross-compile.patch>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
snes9x-1.53-cross-compile.patch>                                  Dload  Upload   Total   Spent    Left  Speed
snes9x-1.53-cross-compile.patch>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
snes9x-1.53-cross-compile.patch> Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
snes9x-1.53-cross-compile.patch>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
snes9x-1.53-cross-compile.patch> Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
snes9x-1.53-cross-compile.patch>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
snes9x-1.53-cross-compile.patch> Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
snes9x-1.53-cross-compile.patch>   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
snes9x-1.53-cross-compile.patch> error: cannot download snes9x-1.53-cross-compile.patch from any mirror
error: Cannot build '/nix/store/1k8bw2l4dfmi30dwmfil36vszpj9vps5-snes9x-1.53-cross-compile.patch.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/6iasyzm2ym76fgcbkh6kq2zkf2wqc0l6-snes9x-1.53-cross-compile.patch
       Last 12 log lines:
       >
       > trying https://mirror.its.dal.ca/gentoo-portage/games-emulation/snes9x/files/snes9x-1.53-cross-compile.patch
       >   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
       >                                  Dload  Upload   Total   Spent    Left  Speed
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
       > Warning: Problem : timeout. Will retry in 1 seconds. 3 retries left.
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
       > Warning: Problem : timeout. Will retry in 2 seconds. 2 retries left.
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
       > Warning: Problem : timeout. Will retry in 4 seconds. 1 retries left.
       >   0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (6) Could not resolve host: mirror.its.dal.ca
       > error: cannot download snes9x-1.53-cross-compile.patch from any mirror
       For full logs, run:
         nix log /nix/store/1k8bw2l4dfmi30dwmfil36vszpj9vps5-snes9x-1.53-cross-compile.patch.drv
error: build of resolved derivation '/nix/store/1k8bw2l4dfmi30dwmfil36vszpj9vps5-snes9x-1.53-cross-compile.patch.drv' failed
error: Cannot build '/nix/store/cqf9afbz1a2s834yjd1cgm37jg52x2yb-snes9x-gtk-1.61.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/hdijm67zi0cbb04kbzqvkr6mvqjgdf79-snes9x-gtk-1.61