$ /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=feynkit&rev=d602aa14d812de612f58f8102342acd7a452a6fd&shallow=1#packages.x86_64-linux.gammaloop-python-module --print-build-logs

Building /nix/store/ljsfvyh3i7w26fd1f15za4qj1s2kgy93-gammaloop-api-python-build-build-0.1.0.drv
[gammaloop-api-python-build-build] Phase: unpackPhase
[gammaloop-api-python-build-build] unpacking source archive /nix/store/sj35lfz45xg7vw32m1dr2xj3plnjf3a7-source
[gammaloop-api-python-build-build] source root is source
[gammaloop-api-python-build-build] Phase: patchPhase
[gammaloop-api-python-build-build] Executing configureCargoCommonVars
[gammaloop-api-python-build-build] decompressing cargo artifacts from /nix/store/5vlg3m6w9ha5l7vjw5yw487w81k72b3f-gammaloop-api-python-deps-0.1.0/target.tar.zst to target
[gammaloop-api-python-build-build] Phase: updateAutotoolsGnuConfigScriptsPhase
[gammaloop-api-python-build-build] Phase: configurePhase
[gammaloop-api-python-build-build] will append /build/source/.cargo-home/config.toml with contents of /nix/store/1sigmg52bb61pfngmk9k8wq5fz9r7bf1-vendor-cargo-deps/config.toml
[gammaloop-api-python-build-build] default configurePhase, nothing to do
[gammaloop-api-python-build-build] Phase: buildPhase
[gammaloop-api-python-build-build] +++ command cargo --version
[gammaloop-api-python-build-build] cargo 1.97.0 (c980f4866 2026-06-30)
[gammaloop-api-python-build-build] +++ command cargo build --profile ci-optim --locked --no-default-features -p gammaloop-api -p gammaloop-tracing-filter -p gammaloop-workspace-hack -p idenso -p linnet -p spenso --features gammaloop-api/pyo3-extension-module,gammaloop-api/python_abi,gammaloop-tracing-filter/clap,gammaloop-tracing-filter/symbolica,idenso/bincode,idenso/reference-cases,linnet/bincode,linnet/drawing,linnet/rkyv,linnet/serde,linnet/symbolica,spenso-macros/shadowing,spenso/shadowing,symbolica/tracing_max_level_info
[gammaloop-api-python-build-build]    Compiling feynkit-cff v0.1.0 (/build/source/crates/feynkit-cff)
[gammaloop-api-python-build-build]    Compiling gammaloop-api v0.1.0 (/build/source/crates/gammaloop-api)
[gammaloop-api-python-build-build]    Compiling feynkit-ufo v0.1.0 (/build/source/crates/feynkit-ufo)
[gammaloop-api-python-build-build]    Compiling gammalooprs v0.3.4 (/build/source/crates/gammalooprs)
[gammaloop-api-python-build-build] error[E0432]: unresolved import `feynkit_ufo::UfoLoader`
[gammaloop-api-python-build-build]   --> crates/gammaloop-api/src/commands/import/model.rs:57:9
[gammaloop-api-python-build-build]    |
[gammaloop-api-python-build-build] 57 |     use feynkit_ufo::UfoLoader;
[gammaloop-api-python-build-build]    |         ^^^^^^^^^^^^^^^^^^^^^^ no `UfoLoader` in the root
[gammaloop-api-python-build-build] 
[gammaloop-api-python-build-build] For more information about this error, try `rustc --explain E0432`.
[gammaloop-api-python-build-build] error: could not compile `gammaloop-api` (lib) due to 1 previous error
Progress: 0 of 4 built (1 failed)
Failed to build gammaloop-api-python-build-build after 2m42s
error: Cannot build '/nix/store/ljsfvyh3i7w26fd1f15za4qj1s2kgy93-gammaloop-api-python-build-build-0.1.0.drv'.
       Reason: builder failed with exit code 101.
       Output paths:
         /nix/store/grfaqw7l7if501vmf82cwmkxwjfmpw4f-gammaloop-api-python-build-build-0.1.0
       Last 26 log lines:
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/sj35lfz45xg7vw32m1dr2xj3plnjf3a7-source
       > source root is source
       > Running phase: patchPhase
       > Executing configureCargoCommonVars
       > decompressing cargo artifacts from /nix/store/5vlg3m6w9ha5l7vjw5yw487w81k72b3f-gammaloop-api-python-deps-0.1.0/target.tar.zst to target
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > will append /build/source/.cargo-home/config.toml with contents of /nix/store/1sigmg52bb61pfngmk9k8wq5fz9r7bf1-vendor-cargo-deps/config.toml
       > default configurePhase, nothing to do
       > Running phase: buildPhase
       > +++ command cargo --version
       > cargo 1.97.0 (c980f4866 2026-06-30)
       > +++ command cargo build --profile ci-optim --locked --no-default-features -p gammaloop-api -p gammaloop-tracing-filter -p gammaloop-workspace-hack -p idenso -p linnet -p spenso --features gammaloop-api/pyo3-extension-module,gammaloop-api/python_abi,gammaloop-tracing-filter/clap,gammaloop-tracing-filter/symbolica,idenso/bincode,idenso/reference-cases,linnet/bincode,linnet/drawing,linnet/rkyv,linnet/serde,linnet/symbolica,spenso-macros/shadowing,spenso/shadowing,symbolica/tracing_max_level_info
       >    Compiling feynkit-cff v0.1.0 (/build/source/crates/feynkit-cff)
       >    Compiling gammaloop-api v0.1.0 (/build/source/crates/gammaloop-api)
       >    Compiling feynkit-ufo v0.1.0 (/build/source/crates/feynkit-ufo)
       >    Compiling gammalooprs v0.3.4 (/build/source/crates/gammalooprs)
       > error[E0432]: unresolved import `feynkit_ufo::UfoLoader`
       >   --> crates/gammaloop-api/src/commands/import/model.rs:57:9
       >    |
       > 57 |     use feynkit_ufo::UfoLoader;
       >    |         ^^^^^^^^^^^^^^^^^^^^^^ no `UfoLoader` in the root
       >
       > For more information about this error, try `rustc --explain E0432`.
       > error: could not compile `gammaloop-api` (lib) due to 1 previous error
       For full logs, run:
         nix log /nix/store/ljsfvyh3i7w26fd1f15za4qj1s2kgy93-gammaloop-api-python-build-build-0.1.0.drv
error: Cannot build '/nix/store/pi3m10rjvgqkh6vdxpgdhs7bjdl3hrn3-gammaloop-api-python-0.1.0.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/rpsjnvnvqlskz2zh9hz9ck01gbc079cb-gammaloop-api-python-0.1.0
error: Build failed due to failed dependency
error: Cannot build '/nix/store/dyb0102axad18814jhiyi6shcvidsfzs-gammaloop-python-module.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/ypcg3zp3p7fm8lz9jxfzpwb58c1kbcpg-gammaloop-python-module
error: Build failed due to failed dependency
error: Cannot build '/nix/store/66qp65xhkfwhdpgfj7bcijfylq33jmls-nix-ci-artifact-barrier-gammaloop-python-module.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/vlwb8pa2q7708bb2iwhqyg4rz77b07s7-nix-ci-artifact-barrier-gammaloop-python-module
Build failed due to failed dependency
Build failed.