~/src/rust$ git checkout - error: The following untracked working tree files would be overwritten by checkout: src/doc/rustc-dev-guide/.editorconfig src/doc/rustc-dev-guide/.gitattributes src/doc/rustc-dev-guide/.github/workflows/ci.yml src/doc/rustc-dev-guide/.github/workflows/date-check.yml src/doc/rustc-dev-guide/.gitignore src/doc/rustc-dev-guide/.mailmap src/doc/rustc-dev-guide/CITATION.cff src/doc/rustc-dev-guide/CNAME src/doc/rustc-dev-guide/CODE_OF_CONDUCT.md src/doc/rustc-dev-guide/LICENSE-APACHE src/doc/rustc-dev-guide/LICENSE-MIT src/doc/rustc-dev-guide/README.md src/doc/rustc-dev-guide/ci/check-in.sh src/doc/rustc-dev-guide/ci/date-check/Cargo.lock src/doc/rustc-dev-guide/ci/date-check/Cargo.toml src/doc/rustc-dev-guide/ci/date-check/src/main.rs src/doc/rustc-dev-guide/ci/linkcheck.sh src/doc/rustc-dev-guide/examples/README src/doc/rustc-dev-guide/examples/rustc-driver-example.rs src/doc/rustc-dev-guide/examples/rustc-driver-interacting-with-the-ast.rs src/doc/rustc-dev-guide/mermaid-init.js src/doc/rustc-dev-guide/mermaid.min.js src/doc/rustc-dev-guide/src/SUMMARY.md src/doc/rustc-dev-guide/src/about-this-guide.md src/doc/rustc-dev-guide/src/appendix/background.md src/doc/rustc-dev-guide/src/appendix/bibliography.md src/doc/rustc-dev-guide/src/appendix/code-index.md src/doc/rustc-dev-guide/src/appendix/compiler-lecture.md src/doc/rustc-dev-guide/src/appendix/glossary.md src/doc/rustc-dev-guide/src/appendix/humorust.md src/doc/rustc-dev-guide/src/asm.md src/doc/rustc-dev-guide/src/ast-lowering.md src/doc/rustc-dev-guide/src/ast-validation.md src/doc/rustc-dev-guide/src/attributes.md src/doc/rustc-dev-guide/src/backend/backend-agnostic.md src/doc/rustc-dev-guide/src/backend/codegen.md src/doc/rustc-dev-guide/src/backend/debugging.md src/doc/rustc-dev-guide/src/backend/implicit-caller-location.md src/doc/rustc-dev-guide/src/backend/inline-asm.md src/doc/rustc-dev-guide/src/backend/libs-and-metadata.md src/doc/rustc-dev-guide/src/backend/lowering-mir.md src/doc/rustc-dev-guide/src/backend/monomorph.md src/doc/rustc-dev-guide/src/backend/updating-llvm.md src/doc/rustc-dev-guide/src/borrow_check.md src/doc/rustc-dev-guide/src/borrow_check/drop_check.md src/doc/rustc-dev-guide/src/borrow_check/moves_and_initialization.md src/doc/rustc-dev-guide/src/borrow_check/moves_and_initialization/move_paths.md src/doc/rustc-dev-guide/src/borrow_check/opaque-types-region-inference-restrictions.md src/doc/rustc-dev-guide/src/borrow_check/region_inference.md src/doc/rustc-dev-guide/src/borrow_check/region_inference/closure_constraints.md src/doc/rustc-dev-guide/src/borrow_check/region_inference/constraint_propagation.md src/doc/rustc-dev-guide/src/borrow_check/region_inference/error_reporting.md src/doc/rustc-dev-guide/src/borrow_check/region_inference/lifetime_parameters.md src/doc/rustc-dev-guide/src/borrow_check/region_inference/member_constraints.md src/doc/rustc-dev-guide/src/borrow_check/region_inference/placeholders_and_universes.md src/doc/rustc-dev-guide/src/borrow_check/two_phase_borrows.md src/doc/rustc-dev-guide/src/borrow_check/type_check.md src/doc/rustc-dev-guide/src/bug-fix-procedure.md src/doc/rustc-dev-guide/src/building/bootstrapping/how-bootstrap-does-it.md src/doc/rustc-dev-guide/src/building/bootstrapping/intro.md src/doc/rustc-dev-guide/src/building/bootstrapping/what-bootstrapping-does.md src/doc/rustc-dev-guide/src/building/build-install-distribution-artifacts.md src/doc/rustc-dev-guide/src/building/compiler-documenting.md src/doc/rustc-dev-guide/src/building/how-to-build-and-run.md src/doc/rustc-dev-guide/src/building/new-target.md src/doc/rustc-dev-guide/src/building/optimized-build.md src/doc/rustc-dev-guide/src/building/prerequisites.md src/doc/rustc-dev-guide/src/building/quickstart.md src/doc/rustc-dev-guide/src/building/suggested.md src/doc/rustc-dev-guide/src/cli.md src/doc/rustc-dev-guide/src/closure.md src/doc/rustc-dev-guide/src/coherence.md src/doc/rustc-dev-guide/src/compiler-debugging.md src/doc/rustc-dev-guide/src/compiler-src.md src/doc/rus Aborting (The output ends after "src/doc/rus" just like that.) An strace shows: 49267 write(2, "error: The following untracked w"..., 4096) = 4096 49267 write(2, "Aborting\n", 9) = 9