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Package: rust-hdrhistogram<br>
Version: 7.5.0-1<br>
Severity: serious<br>
<br>
<p dir="auto">I recently updated the hdrhistogram package and as
part of that I resolved the issues that were blocking the tests
from running on as autopkgtests.</p>
<p dir="auto">Unfortunately when running the autopkgtests on i386
two tests failed, I can also reproduce this locally.</p>
<div class="snippet-clipboard-content notranslate position-relative
overflow-auto">
<pre class="notranslate"><code><blockquote type="cite"><pre class="notranslate"><code>failures:
---- iter_quantiles_saturated_count_before_max_value stdout ----
thread 'iter_quantiles_saturated_count_before_max_value' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:518:5
stack backtrace:
0: rust_begin_unwind
at /usr/src/rustc-1.59.0/library/std/src/panicking.rs:498:5
1: core::panicking::panic_fmt
at /usr/src/rustc-1.59.0/library/core/src/panicking.rs:116:14
2: core::panicking::panic
at /usr/src/rustc-1.59.0/library/core/src/panicking.rs:48:5
3: alloc::raw_vec::capacity_overflow
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:518:5
4: alloc::raw_vec::handle_reserve
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:489:34
5: alloc::raw_vec::RawVec<T,A>::reserve::do_reserve_and_handle
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:287:13
6: alloc::raw_vec::RawVec<T,A>::reserve
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:291:13
7: alloc::vec::Vec<T,A>::reserve
at /usr/src/rustc-1.59.0/library/alloc/src/vec/mod.rs:809:9
8: alloc::vec::Vec<T,A>::extend_desugared
at /usr/src/rustc-1.59.0/library/alloc/src/vec/mod.rs:2642:17
9: <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend
at /usr/src/rustc-1.59.0/library/alloc/src/vec/spec_extend.rs:18:9
10: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter
at /usr/src/rustc-1.59.0/library/alloc/src/vec/spec_from_iter_nested.rs:37:9
11: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter
at /usr/src/rustc-1.59.0/library/alloc/src/vec/spec_from_iter.rs:33:9
12: <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter
at /usr/src/rustc-1.59.0/library/alloc/src/vec/mod.rs:2541:9
13: core::iter::traits::iterator::Iterator::collect
at /usr/src/rustc-1.59.0/library/core/src/iter/traits/iterator.rs:1745:9
14: iterators::iter_quantiles_saturated_count_before_max_value
at ./tests/iterators.rs:569:55
15: iterators::iter_quantiles_saturated_count_before_max_value::{{closure}}
at ./tests/iterators.rs:561:1
16: core::ops::function::FnOnce::call_once
at /usr/src/rustc-1.59.0/library/core/src/ops/function.rs:227:5
17: core::ops::function::FnOnce::call_once
at /usr/src/rustc-1.59.0/library/core/src/ops/function.rs:227:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
---- iter_quantiles_iterates_to_quantile_10_as_it_reaches_last_bucket stdout ----
thread 'iter_quantiles_iterates_to_quantile_10_as_it_reaches_last_bucket' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:518:5
stack backtrace:
0: rust_begin_unwind
at /usr/src/rustc-1.59.0/library/std/src/panicking.rs:498:5
1: core::panicking::panic_fmt
at /usr/src/rustc-1.59.0/library/core/src/panicking.rs:116:14
2: core::panicking::panic
at /usr/src/rustc-1.59.0/library/core/src/panicking.rs:48:5
3: alloc::raw_vec::capacity_overflow
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:518:5
4: alloc::raw_vec::handle_reserve
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:489:34
5: alloc::raw_vec::RawVec<T,A>::reserve::do_reserve_and_handle
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:287:13
6: alloc::raw_vec::RawVec<T,A>::reserve
at /usr/src/rustc-1.59.0/library/alloc/src/raw_vec.rs:291:13
7: alloc::vec::Vec<T,A>::reserve
at /usr/src/rustc-1.59.0/library/alloc/src/vec/mod.rs:809:9
8: alloc::vec::Vec<T,A>::extend_desugared
at /usr/src/rustc-1.59.0/library/alloc/src/vec/mod.rs:2642:17
9: <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend
at /usr/src/rustc-1.59.0/library/alloc/src/vec/spec_extend.rs:18:9
10: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter
at /usr/src/rustc-1.59.0/library/alloc/src/vec/spec_from_iter_nested.rs:37:9
11: <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter
at /usr/src/rustc-1.59.0/library/alloc/src/vec/spec_from_iter.rs:33:9
12: <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter
at /usr/src/rustc-1.59.0/library/alloc/src/vec/mod.rs:2541:9
13: core::iter::traits::iterator::Iterator::collect
at /usr/src/rustc-1.59.0/library/core/src/iter/traits/iterator.rs:1745:9
14: iterators::iter_quantiles_iterates_to_quantile_10_as_it_reaches_last_bucket
at ./tests/iterators.rs:717:55
15: iterators::iter_quantiles_iterates_to_quantile_10_as_it_reaches_last_bucket::{{closure}}
at ./tests/iterators.rs:703:1
16: core::ops::function::FnOnce::call_once
at /usr/src/rustc-1.59.0/library/core/src/ops/function.rs:227:5
17: core::ops::function::FnOnce::call_once
at /usr/src/rustc-1.59.0/library/core/src/ops/function.rs:227:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
failures:
iter_quantiles_iterates_to_quantile_10_as_it_reaches_last_bucket
iter_quantiles_saturated_count_before_max_value
test result: FAILED. 18 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 39.15s</code></pre></blockquote>
</code>I strongly suspect these failures are related to the quirky
behaviour of the x87 FPU, but I have no idea how to debug
them further. I also don't know how to judge the likely
impact of this issue on real-world application code.
I have reported the issue upstream at <a class="moz-txt-link-freetext" href="https://github.com/HdrHistogram/HdrHistogram_rust/issues/111">https://github.com/HdrHistogram/HdrHistogram_rust/issues/111</a>
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