$ /nix/store/9ypz3flqsrl5xl495mm8h645gadjsxi1-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/23zk8sgzamrbmj1fday15szf7f2279s8-nix-2.34.7/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link --print-out-paths git+https://github.com/alphal00p/gammaloop?ref=docs&rev=c315747c02d1517444e12e79485bbacfda9a6c5c&shallow=1#packages.x86_64-linux.alphal00p-docs-snapshot-fixture --print-build-logs stdenv.isDarwin is deprecated, use stdenv.hostPlatform.isDarwin instead  Downloading cached alphal00p-docs-cargo from https://cache.nix-ci.com Downloading cached zlib-ng from https://cache.nix-ci.com Downloaded cached zlib-ng (192 KiB) in 43ms Progress: 0 of 3 built, 1 of 3 downloaded from cache (1 downloading) Downloading cached git-minimal from https://cache.nix-ci.com Downloaded cached git-minimal (53 MiB) in 304ms Progress: 0 of 3 built, 2 of 3 downloaded from cache (1 downloading) Downloaded cached alphal00p-docs-cargo (1.2 GiB) in 38.0s error: unable to download 'https://cache.nix-ci.com/nar/1m777kvj2pl7kndbhlh5fgvxypmc0pbrv2l3ni14jpzp4qrxvais.nar.xz': HTTP error 200 (curl error: Stream error in the HTTP/2 framing layer) Progress: 0 of 2 built, 2 of 3 downloaded from cache (1 failed) error: path '/nix/store/5nnx0yiny3hma11g18rzby11rc9vjhry-alphal00p-docs-cargo-0.1.0' is required, but there is no substituter that can build it Progress: 0 of 1 built (1 failed), 2 of 3 downloaded from cache (1 failed) error: some substitutes for the outputs of derivation '/nix/store/z0q4gqkkwsn1k0ra0n9v8q6dz1hn3k1j-alphal00p-docs-cargo-0.1.0.drv' failed (usually happens due to networking issues); try '--fallback' to build derivation from source error: Cannot build '/nix/store/7hcyxq9y3yh6m65b5yvadyil8sra9d2z-alphal00p-docs-snapshot-fixture-0.1.0.drv'. Reason: 1 dependency failed. Output paths: /nix/store/wl57kf8pba7w5183v2kjpjg2r9kpwfyg-alphal00p-docs-snapshot-fixture-0.1.0 Build failed due to failed dependency Build failed.