Build failure: cctag

[zeuner]

Steps To Reproduce

Steps to reproduce the behavior:

1. build cctag on x86_64-linux
2. test cctag_fitEllipse.test_ellipseFitting fails

Build log

1/2 Test #1: cctag_fitEllipse.test_ellipseFitting ...***Failed    0.09 sec
Running 10 test cases...
unknown location(0): fatal error: in "test_ellipseFitting/test_pixel_int": std::domain_error: to_ellipse_2: singularity 1
/build/source/src/cctag/test/fitEllipse.cpp(73): last checkpoint
unknown location(0): fatal error: in "test_ellipseFitting/test_pixel_int2": std::domain_error: to_ellipse_2: singularity 1
/build/source/src/cctag/test/fitEllipse.cpp(93): last checkpoint
unknown location(0): fatal error: in "test_ellipseFitting/test_float1": std::domain_error: to_ellipse_2: singularity 1
/build/source/src/cctag/test/fitEllipse.cpp(111): last checkpoint
unknown location(0): fatal error: in "test_ellipseFitting/test_float2": std::domain_error: to_ellipse_2: singularity 1
/build/source/src/cctag/test/fitEllipse.cpp(129): last checkpoint
fitEllipse it: 0 provided, at least 5 are needed to estimate an ellipse
fitEllipse it: 1 provided, at least 5 are needed to estimate an ellipse
fitEllipse it: 2 provided, at least 5 are needed to estimate an ellipse
fitEllipse it: 3 provided, at least 5 are needed to estimate an ellipse
fitEllipse it: 4 provided, at least 5 are needed to estimate an ellipse
*** 4 failures are detected in the test module "testFitEllipse"

(see https://github.com/NixOS/nixpkgs/pull/256115/checks?check_run_id=21612628867)

Additional context

Happened within CI when building alice-vision (#256115)

Notify maintainers

Will do.

Metadata

Please run nix-shell -p nix-info --run "nix-info -m" and paste the result.

Don't know how to run this on the failing CI machine.

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