running 1 test test expired_quantum_stale_slice_foreign_source_and_thread_do_not_consume_ticks ... FAILED failures: failures: expired_quantum_stale_slice_foreign_source_and_thread_do_not_consume_ticks test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 21 filtered out; finished in 0.00s Compiling turkos-os-exceptions v0.1.0 (/reports/os-implementation/K1041-K1059-preparation-5hOulI/mutant-expired-quantum-charged/os-exceptions) Compiling turkos-os-threads v0.1.0 (/reports/os-implementation/K1041-K1059-preparation-5hOulI/mutant-expired-quantum-charged/os-threads) Compiling turkos-os-context-switch v0.1.0 (/reports/os-implementation/K1041-K1059-preparation-5hOulI/mutant-expired-quantum-charged/os-context-switch) Compiling turkos-os-runqueue v0.1.0 (/reports/os-implementation/K1041-K1059-preparation-5hOulI/mutant-expired-quantum-charged/os-runqueue) Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s Running tests/runqueue.rs (reports/os-implementation/K1041-K1059-preparation-5hOulI/mutant-expired-quantum-charged/target/debug/build/turkos-os-runqueue/10eb56cf4d86a804/out/runqueue-10eb56cf4d86a804) thread 'expired_quantum_stale_slice_foreign_source_and_thread_do_not_consume_ticks' (41916360) panicked at src/runqueue.rs:547:17: attempt to subtract with overflow note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace error: test failed, to rerun pass `--test runqueue`