build packages.x86_64-linux.crate-test-binaries-linnet-render-py

Reproduce this run
  1. 0.01 s $ /nix/store/bhv6xyvqw6gjs3j488gi1z6wdv18bdpa-coreutils-9.11/bin/timeout --kill-after=15s 7200s /nix/store/bxgja2ppiqi6w2bgn0r07d7mgnl1k6k2-nix-2.34.8/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=ci%2Ffeynkit-green&rev=d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f&shallow=1#packages.x86_64-linux.crate-test-binaries-linnet-render-py --print-build-logs
  2. 0.46 s warning: ignoring untrusted flake configuration setting 'extra-substituters'.
  3. 0.46 s Pass '--accept-flake-config' to trust it
  4. 0.46 s warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
  5. 0.46 s Pass '--accept-flake-config' to trust it
  6. 12.43 s
  7. 13.08 s Downloading cached gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-Cargo.toml from https://cache.nix-ci.com
  8. 13.12 s Downloaded cached gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-Cargo.toml (1520 B) in 35ms
  9. 13.16 s Building /nix/store/jpxcqrq4iijb6pj4bgyz8y1wndyg9q2f-gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml.drv
  10. 13.16 s Progress: 0 of 4 built (1 building), 1 of 1 downloaded from cache
  11. 13.17 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml] structuredAttrs is enabled
  12. 13.24 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml:post-build] Uploading to the NixCI cache: /nix/store/sw9k0z9lnhyzbc6k4vr8sdwcax8pkhxh-gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml
  13. 13.33 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  14. 13.55 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml:post-build] copying 1 paths...
  15. 13.55 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml:post-build] copying path '/nix/store/sw9k0z9lnhyzbc6k4vr8sdwcax8pkhxh-gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml' to 'https://cache.nix-ci.com'...
  16. 13.83 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  17. 13.95 s [gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml:post-build] copying 0 paths...
  18. 13.98 s Uploaded gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml in 758ms
  19. 13.98 s Progress: 1 of 4 built, 1 of 1 downloaded from cache
  20. 13.98 s Built gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058-linnet-render-py-dev-dependency.toml in 814ms
  21. 14.59 s Building /nix/store/ppcq3b5dr3nn9h7l6q0irfjnm7cxw81b-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0.drv
  22. 14.67 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: unpackPhase
  23. 14.67 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] unpacking source archive /nix/store/81f5s8zn2s6pj5398y0m21z0d4fvfkbx-source
  24. 14.74 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] source root is source
  25. 14.75 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: patchPhase
  26. 15.01 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Executing configureCargoCommonVars
  27. 15.02 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] decompressing cargo artifacts from /nix/store/pbrmwa8ygcr9lgwqfamr68nri1345i5p-gammaloop-crate-test-dependencies-8fe8b7535f4e6058-inputs/target.tar.zst to target
  28. 27.46 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] decompressing cargo artifacts from /nix/store/cyck71rs2rgabd2kk67lvqlbyx9xz1va-gammaloop-crate-test-dependencies-8fe8b7535f4e6058-deps-0.1.0/target.tar.zst to target
  29. 27.50 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: updateAutotoolsGnuConfigScriptsPhase
  30. 27.61 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: configurePhase
  31. 27.62 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] will append /build/source/.cargo-home/config.toml with contents of /nix/store/w72xdqk1lvxyqjazv52iqg1ir83d7798-vendor-cargo-deps/config.toml
  32. 27.64 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] default configurePhase, nothing to do
  33. 27.65 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: buildPhase
  34. 27.71 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] +++ command cargo --version
  35. 27.72 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] cargo 1.98.1 (797e8a9bc 2026-08-05)
  36. 27.72 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] +++ command cargo test --profile ci-optim --no-run --offline -p linnet-render-py --features pyo3-stub-gen/infer_signature,pyo3-stub-gen/numpy,pyo3/anyhow,pyo3/auto-initialize,pyo3/eyre,pyo3/multiple-pymethods
  37. 29.11 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Compiling clarabel v0.11.1 (/build/source/vendor/clarabel)
  38. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] warning: unused import: `super::super::traits::*`
  39. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] --> vendor/clarabel/src/solver/core/solver.rs:470:9
  40. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] |
  41. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] 470 | use super::super::traits::*;
  42. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] | ^^^^^^^^^^^^^^^^^^^^^^^
  43. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] |
  44. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
  45. 29.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps]
  46. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] warning: hiding a lifetime that's elided elsewhere is confusing
  47. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] --> vendor/clarabel/src/solver/core/kktsolvers/direct/quasidef/datamaps.rs:26:39
  48. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] |
  49. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] 26 | pub(crate) fn to_sparse_expansion(&self) -> Option<SparseExpansionCone<T>> {
  50. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
  51. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] | |
  52. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] | the lifetime is elided here
  53. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] |
  54. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
  55. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
  56. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] help: use `'_` for type paths
  57. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] |
  58. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] 26 | pub(crate) fn to_sparse_expansion(&self) -> Option<SparseExpansionCone<'_, T>> {
  59. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] | +++
  60. 30.80 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps]
  61. 31.55 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] warning: `clarabel` (lib) generated 2 warnings (run `cargo fix --lib -p clarabel` to apply 2 suggestions)
  62. 31.55 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Compiling linnet v0.17.0 (/build/source/crates/linnet)
  63. 46.94 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Compiling linnest v0.1.0 (/build/source/crates/linnest)
  64. 97.18 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Compiling gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058 v0.1.0 (/build/source/crates/gammaloop-ci-test-binary-dependencies-8fe8b7535f4e6058)
  65. 97.19 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Compiling linnet-render-py v0.1.0 (/build/source/crates/linnet-render-py)
  66. 124.26 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Finished `ci-optim` profile [optimized] target(s) in 1m 36s
  67. 124.39 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Executable unittests src/lib.rs (target/ci-optim/deps/linnet_render_py-49be60f1f7bb5e53)
  68. 124.45 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] compressing and installing full archive of ci-incremental-target to /nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental/target.tar.zst as requested
  69. 127.22 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] /*stdin*\ : 37.97% ( 474 MiB => 180 MiB, /nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental/target.tar.zst)
  70. 127.31 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] buildPhase completed in 1 minutes 40 seconds
  71. 127.31 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: installPhase
  72. 127.33 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] linking previous artifacts /nix/store/cyck71rs2rgabd2kk67lvqlbyx9xz1va-gammaloop-crate-test-dependencies-8fe8b7535f4e6058-deps-0.1.0/target.tar.zst to /nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0/target.tar.zst
  73. 128.36 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] /*stdin*\ : 28.76% ( 198 MiB => 57.0 MiB, /nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0/target.tar.zst)
  74. 128.42 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] Phase: fixupPhase
  75. 128.50 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] shrinking RPATHs of ELF executables and libraries in /nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0
  76. 128.51 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] checking for references to /build/ in /nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0...
  77. 128.53 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] patching script interpreter paths in /nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0
  78. 128.54 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] shrinking RPATHs of ELF executables and libraries in /nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental
  79. 128.55 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] checking for references to /build/ in /nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental...
  80. 128.59 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps] patching script interpreter paths in /nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental
  81. 130.85 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] Uploading to the NixCI cache: /nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental /nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0
  82. 131.51 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  83. 131.92 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] copying 2 paths...
  84. 131.92 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] copying path '/nix/store/1b8jzkngmwsmkqh1njh73008hd3nlwpi-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0-incremental' to 'https://cache.nix-ci.com'...
  85. 131.92 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] copying path '/nix/store/ayj3lvvz5wy5wn9g4pw78a7zkgpfkdqz-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0' to 'https://cache.nix-ci.com'...
  86. 171.15 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  87. 171.53 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] copying 2 paths...
  88. 171.53 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] copying path '/nix/store/81f5s8zn2s6pj5398y0m21z0d4fvfkbx-source' to 'https://cache.nix-ci.com'...
  89. 177.30 s [gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps:post-build] copying path '/nix/store/ppcq3b5dr3nn9h7l6q0irfjnm7cxw81b-gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps-0.1.0.drv' to 'https://cache.nix-ci.com'...
  90. 177.56 s Uploaded gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps in 46.8s
  91. 177.56 s Progress: 2 of 4 built, 1 of 1 downloaded from cache
  92. 177.56 s Built gammaloop-crate-test-binaries-linnet-render-py-8fe8b7535f4e6058-deps in 2m42s
  93. 177.66 s Building /nix/store/13a70lp98w4az6p0xybg5d6i390nqppx-nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py.drv
  94. 177.78 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] Uploading to the NixCI cache: /nix/store/cwr2li5qjk2kyfywk5m0sgnih3hjxca1-nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py
  95. 177.83 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  96. 177.88 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] copying 1 paths...
  97. 177.88 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] copying path '/nix/store/cwr2li5qjk2kyfywk5m0sgnih3hjxca1-nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py' to 'https://cache.nix-ci.com'...
  98. 178.21 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] warning: 'warn-short-path-literals' is deprecated, use 'lint-short-path-literals = ignore' instead
  99. 178.54 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] copying 1 paths...
  100. 178.55 s [nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py:post-build] copying path '/nix/store/13a70lp98w4az6p0xybg5d6i390nqppx-nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py.drv' to 'https://cache.nix-ci.com'...
  101. 178.79 s Uploaded nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py in 1.0s
  102. 178.79 s Progress: 3 of 4 built, 1 of 1 downloaded from cache
  103. 178.79 s Built nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py in 1.1s
  104. 178.79 s Progress: 4 of 4 built, 1 of 1 downloaded from cache
  105. 178.79 s /nix/store/cwr2li5qjk2kyfywk5m0sgnih3hjxca1-nix-ci-artifact-barrier-crate-test-binaries-linnet-render-py
  106. 178.89 s Build succeeded.
More Logs Raw Logs

Agent Instructions

Wait for completion, without logs:

curl --netrc -N https://nix-ci.com/gh:alphal00p:gammaloop/ci%2Ffeynkit-green/d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f/348d2cde-9496-4855-a64e-d0fb27cd7da1/wait

Latest logs, with timestamps (streams while running):

curl --netrc -N https://nix-ci.com/gh:alphal00p:gammaloop/ci%2Ffeynkit-green/d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f/348d2cde-9496-4855-a64e-d0fb27cd7da1/tail

All logs, with timestamps (available after completion):

curl --netrc https://nix-ci.com/gh:alphal00p:gammaloop/ci%2Ffeynkit-green/d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f/348d2cde-9496-4855-a64e-d0fb27cd7da1/logs

Raw logs, from the start (no timestamps):

curl --netrc -N https://nix-ci.com/gh:alphal00p:gammaloop/ci%2Ffeynkit-green/d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f/348d2cde-9496-4855-a64e-d0fb27cd7da1/raw-logs

Content types available for /logs and /tail (use Accept header):

Example:

curl --netrc -H "Accept: text/csv" https://nix-ci.com/gh:alphal00p:gammaloop/ci%2Ffeynkit-green/d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f/348d2cde-9496-4855-a64e-d0fb27cd7da1/logs

Reproduce locally: https://nix-ci.com/gh:alphal00p:gammaloop/ci%2Ffeynkit-green/d0b160f56fd8b9abbd0d4a6eb27e6b2a65bb689f/348d2cde-9496-4855-a64e-d0fb27cd7da1/repro

This page is also available in machine-friendly formats. Request one with the Accept header:

For more instructions, fetch https://nix-ci.com/instructions .