> /build/source/tools/docgen.zig:1585:29: 0x2c89e7 in genHtml__anon_4720 (docgen)
       >                             return parseError(tokenizer, code.source_token, "test failed", .{});
       >                             ^
       > /build/source/tools/docgen.zig:106:5: 0x2d3f37 in main (docgen)
       >     try genHtml(allocator, &tokenizer, &toc, buffered_writer.writer(), zig_exe, opt_zig_lib_dir, do_code_tests);
       >     ^
       For full logs, run 'nix log /nix/store/10hgs30cdqxb2b0y1q6ri81rzb9x4v09-zig-0.11.0.drv'.
error: 1 dependencies of derivation '/nix/store/kqpxim3b4islfnr379ymn0l0jh8djkp5-zig-0.12.1-test-version.drv' failed to build
error: 1 dependencies of derivation '/nix/store/mvkikm453n9ajwhy380aw0b65agwkzm0-zig-0.11.0-test-version.drv' failed to build
error: build of '/nix/store/10hgs30cdqxb2b0y1q6ri81rzb9x4v09-zig-0.11.0.drv', '/nix/store/jlsv0cislk2lm1wrm3ypga5ipziggn25-zig-0.12.1.drv', '/nix/store/kqpxim3b4islfnr379ymn0l0jh8djkp5-zig-0.12.1-test-version.drv', '/nix/store/mvkikm453n9ajwhy380aw0b65agwkzm0-zig-0.11.0-test-version.drv' failed