these 2 derivations will be built:
  /nix/store/1243rb2fzqngvcp9japvqcvixwdf1pxv-snes9x-1.53-cross-compile.patch.drv
  /nix/store/wr2y63w15ya4i0hcrxjlyz8bjvlvirlr-snes9x-1.61.drv
these 4 paths will be fetched (159.4 KiB download, 657.0 KiB unpacked):
  /nix/store/1arwpyv8v2dvns49kga89xyrghiwqnz8-libXv-1.0.11-dev
  /nix/store/fp3y95yhirlcr7fliz09w493b7h1ysll-minizip-1.2.13
  /nix/store/310vqyryr303bn5is92h2vyyzyn4rdz0-patchutils-0.3.3
  /nix/store/3w8wy97kxywcacxgjd87zig4dbdmd27h-pulseaudio-16.1-dev
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/wr2y63w15ya4i0hcrxjlyz8bjvlvirlr-snes9x-1.61.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/xnmcb00rnm4v2wi2bp7g09q35zaysqa9-snes9x-1.61