diff --git a/README.md b/README.md index 9ca69df9607f..f755f85b601e 100644 --- a/README.md +++ b/README.md @@ -102,28 +102,15 @@ fn does_not_work_on_miri() { An exhaustive list of what `miri` does not support is not available, as this could be an unbounded set with FFI and more. However `miri` will explicitly tell you when it finds -something unsupported with an error: +something unsupported with an error, containing a message such as: ``` error: unsupported operation: can't call foreign function: mach_timebase_info - --> /home/r/.rustup/toolchains/miri/lib/rustlib/src/rust/src/libstd/sys/unix/time.rs:239:13 - | -239 | mach_timebase_info(&mut info); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't call foreign function: mach_timebase_info - | - = help: this is likely not a bug in the program; it indicates that the program performed an operation that the interpreter does not support - = note: inside call to `std::sys::unix::time::inner::info` at /home/r/.rustup/toolchains/miri/lib/rustlib/src/rust/src/libstd/sys/unix/time.rs:156:24 - = note: inside call to `std::sys::unix::time::inner::Instant::checked_sub_instant` at /home/r/.rustup/toolchains/miri/lib/rustlib/src/rust/src/libstd/time.rs:263:9 -note: inside call to `std::time::Instant::duration_since` at tests/run-pass/time.rs:25:20 - --> tests/run-pass/time.rs:25:20 - | -25 | let diff = now2.duration_since(now1); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: inside call to `main` at /home/r/.rustup/toolchains/miri/lib/rustlib/src/rust/src/libstd/rt.rs:67:34 + ... + = help: this is likely not a bug in the program; it indicates that the program \ + performed an operation that the interpreter does not support ``` -If you do not see an error like this, you are able to keep using `miri`! - ### Running Miri on CI To run Miri on CI, make sure that you handle the case where the latest nightly