Data race reported by thread sanitizer #71
Description
I tried to run the tests of arc-swap using thread sanitizer using command RUSTFLAGS='-Zsanitizer=thread' cargo +nightly test -Z build-std --target --target $(uname -m)-unknown-linux-gnu and it reported data race when dropping the Arc in tests_default::rcu:
Finished test [unoptimized + debuginfo] target(s) in 0.04s
Running unittests (target/x86_64-unknown-linux-gnu/debug/deps/arc_swap-a1768ea5572bf654)
running 32 tests
test access::tests::constant ... ok
test access::tests::dyn_dispatch ... ok
test access::tests::indirect ... ok
test access::tests::map ... ok
test access::tests::map_option_none ... ok
test access::tests::map_option_some ... ok
test access::tests::map_reload ... ok
test access::tests::static_dispatch ... ok
test access::tests::transition ... ok
test cache::tests::cache_option ... ok
test cache::tests::cached_through_arc ... ok
test cache::tests::cached_value ... ok
test cache::tests::map_cache ... ok
test debt::list::tests::new_empty ... ok
test debt::tests::arc_zst ... ok
test tests::load_cnt ... ok
test tests_default::debug_impl ... ok
test tests_default::display_impl ... ok
test tests_default::from_into ... ok
error: address range table at offset 0xb360 has a premature terminator entry at offset 0xb370
==================
WARNING: ThreadSanitizer: data race (pid=4450)
Write of size 8 at 0x7b0800011070 by thread T40:
#0 free /rustc/llvm/src/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:714:3 (arc_swap-a1768ea5572bf654+0x2b01a)
#1 std::sys::unix::alloc::_$LT$impl$u20$core..alloc..global..GlobalAlloc$u20$for$u20$std..alloc..System$GT$::dealloc::h2a676766609ecfae /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/alloc.rs:42:9 (arc_swap-a1768ea5572bf654+0x2a2bdf)
#2 __rdl_dealloc /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/alloc.rs:363:18 (arc_swap-a1768ea5572bf654+0x2a13a6)
#3 alloc::alloc::dealloc::h7dd58574c00b6e12 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/alloc.rs:105:14 (arc_swap-a1768ea5572bf654+0x104835)
#4 _$LT$alloc..alloc..Global$u20$as$u20$core..alloc..Allocator$GT$::deallocate::h80b64e023ec403c3 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/alloc.rs:242:22 (arc_swap-a1768ea5572bf654+0x1048fc)
#5 _$LT$alloc..sync..Weak$LT$T$GT$$u20$as$u20$core..ops..drop..Drop$GT$::drop::h972ab532e7a56912 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:2112:22 (arc_swap-a1768ea5572bf654+0xc0058)
#6 core::ptr::drop_in_place$LT$alloc..sync..Weak$LT$usize$GT$$GT$::h14cdda59bb6ae4c5 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:188:1 (arc_swap-a1768ea5572bf654+0xbd151)
#7 core::mem::drop::hcbdebd2938104196 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/mod.rs:909:24 (arc_swap-a1768ea5572bf654+0xcc035)
#8 alloc::sync::Arc$LT$T$GT$::drop_slow::h79326a6c2d7f5f6e /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:1082:9 (arc_swap-a1768ea5572bf654+0x125fd8)
#9 _$LT$alloc..sync..Arc$LT$T$GT$$u20$as$u20$core..ops..drop..Drop$GT$::drop::h5aa682a3552dcc7a /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/sync.rs:1640:13 (arc_swap-a1768ea5572bf654+0xbebd6)
#10 core::ptr::drop_in_place$LT$alloc..sync..Arc$LT$usize$GT$$GT$::h5329865589d3d4c5 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:188:1 (arc_swap-a1768ea5572bf654+0xbd101)
#11 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hab228751d993e96f /home/nobodyxu/Dev/arc-swap/src/lib.rs:1151:60 (arc_swap-a1768ea5572bf654+0xca953)
#12 crossbeam_utils::thread::ScopedThreadBuilder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::hd1a628fb4539dce5 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:439:31 (arc_swap-a1768ea5572bf654+0xdbfeb)
#13 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h3ade10cc6f2cda4d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0xb86c1)
#14 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hf6de0726e1706af5 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x1c5494)
#15 crossbeam_utils::thread::ScopedThreadBuilder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::hc3d74a0446b1f962 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:451:44 (arc_swap-a1768ea5572bf654+0xdbf34)
#16 std::sys_common::backtrace::__rust_begin_short_backtrace::h6203e4b1e4897b64 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:123:18 (arc_swap-a1768ea5572bf654+0x114df0)
#17 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hbd7e468265a15286 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:477:17 (arc_swap-a1768ea5572bf654+0x100b10)
#18 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h09abfc3b272fa102 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0xf3760)
#19 std::panicking::try::do_call::he1640aa9f23227b8 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0xf5f3a)
#20 __rust_try 46q4l7863lajlfyb (arc_swap-a1768ea5572bf654+0xf6fe8)
#21 std::panicking::try::he36d6e9452d5f899 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0xf5792)
#22 std::panic::catch_unwind::hed3158c9c5021004 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x10aad0)
#23 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::hcc61b96682cb1896 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:476:30 (arc_swap-a1768ea5572bf654+0x100185)
#24 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h963922abc48f8173 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0xb8951)
#25 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::h7c51f785c4bdd214 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x388074)
#26 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hbbe111351615a74a /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x38814e)
#27 std::sys::unix::thread::Thread::new::thread_start::he6142c0fcd17dea0 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:108:17 (arc_swap-a1768ea5572bf654+0x2d4ae1)
Previous read of size 8 at 0x7b0800011070 by thread T41:
#0 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hb9750c6dcef40c7c /home/nobodyxu/Dev/arc-swap/src/lib.rs:1151:50 (arc_swap-a1768ea5572bf654+0xca803)
#1 arc_swap::ArcSwapAny$LT$T$C$S$GT$::rcu::h734005388dc8f10f /home/nobodyxu/Dev/arc-swap/src/lib.rs:600:23 (arc_swap-a1768ea5572bf654+0xe9542)
#2 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hab228751d993e96f /home/nobodyxu/Dev/arc-swap/src/lib.rs:1151:33 (arc_swap-a1768ea5572bf654+0xca92e)
#3 crossbeam_utils::thread::ScopedThreadBuilder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::hd1a628fb4539dce5 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:439:31 (arc_swap-a1768ea5572bf654+0xdbfeb)
#4 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h3ade10cc6f2cda4d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0xb86c1)
#5 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hf6de0726e1706af5 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x1c5494)
#6 crossbeam_utils::thread::ScopedThreadBuilder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::hc3d74a0446b1f962 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:451:44 (arc_swap-a1768ea5572bf654+0xdbf34)
#7 std::sys_common::backtrace::__rust_begin_short_backtrace::h6203e4b1e4897b64 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:123:18 (arc_swap-a1768ea5572bf654+0x114df0)
#8 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::hbd7e468265a15286 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:477:17 (arc_swap-a1768ea5572bf654+0x100b10)
#9 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h09abfc3b272fa102 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0xf3760)
#10 std::panicking::try::do_call::he1640aa9f23227b8 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0xf5f3a)
#11 __rust_try 46q4l7863lajlfyb (arc_swap-a1768ea5572bf654+0xf6fe8)
#12 std::panicking::try::he36d6e9452d5f899 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0xf5792)
#13 std::panic::catch_unwind::hed3158c9c5021004 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x10aad0)
#14 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::hcc61b96682cb1896 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:476:30 (arc_swap-a1768ea5572bf654+0x100185)
#15 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h963922abc48f8173 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0xb8951)
#16 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::h7c51f785c4bdd214 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x388074)
#17 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hbbe111351615a74a /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x38814e)
#18 std::sys::unix::thread::Thread::new::thread_start::he6142c0fcd17dea0 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:108:17 (arc_swap-a1768ea5572bf654+0x2d4ae1)
Thread T40 (tid=4506, running) created by thread T36 at:
#0 pthread_create /rustc/llvm/src/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:977:3 (arc_swap-a1768ea5572bf654+0x2be0d)
#1 std::sys::unix::thread::Thread::new::h2b5a08657dc2c320 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:87:19 (arc_swap-a1768ea5572bf654+0x2d450e)
#2 std::thread::Builder::spawn_unchecked::hc317474f05d4028d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:501:22 (arc_swap-a1768ea5572bf654+0xfe129)
#3 std::thread::Builder::spawn::h72094c6f68d6ddf9 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:382:18 (arc_swap-a1768ea5572bf654+0x100d6c)
#4 crossbeam_utils::thread::ScopedThreadBuilder::spawn::hceed5dcfd21efa90 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:451:17 (arc_swap-a1768ea5572bf654+0xd951a)
#5 crossbeam_utils::thread::Scope::spawn::h66ed5f14db304999 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:253:9 (arc_swap-a1768ea5572bf654+0xdc63d)
#6 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::h140b87f7cb8908d8 /home/nobodyxu/Dev/arc-swap/src/lib.rs:1149:25 (arc_swap-a1768ea5572bf654+0xcaa5b)
#7 crossbeam_utils::thread::scope::_$u7b$$u7b$closure$u7d$$u7d$::h5b70e2b63ccb0dc9 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:162:65 (arc_swap-a1768ea5572bf654+0xdf8aa)
#8 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::haee83a11e98b1ebc /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0xf3b20)
#9 std::panicking::try::do_call::h0a816b8087cdf13f /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0xf5a0a)
#10 __rust_try 46q4l7863lajlfyb (arc_swap-a1768ea5572bf654+0xf6fe8)
#11 std::panicking::try::h9aa7612f6f5036b4 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0xf5102)
#12 std::panic::catch_unwind::hb1629b867c5b7d3b /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x10a9f0)
#13 crossbeam_utils::thread::scope::hee133044b35ad8fd /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:162:18 (arc_swap-a1768ea5572bf654+0xde55b)
#14 arc_swap::tests_default::rcu::he018d1d919ddec6e /home/nobodyxu/Dev/arc-swap/src/lib.rs:1147:17 (arc_swap-a1768ea5572bf654+0xd22a4)
#15 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::h1c58c438b8b61300 /home/nobodyxu/Dev/arc-swap/src/lib.rs:1143:13 (arc_swap-a1768ea5572bf654+0xca791)
#16 core::ops::function::FnOnce::call_once::h7c7a226754085154 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0xb94e7)
#17 core::ops::function::FnOnce::call_once::hb81219a3a5574e0d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0x1a094e)
#18 test::__rust_begin_short_backtrace::hc71431af1903e77b /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:585:5 (arc_swap-a1768ea5572bf654+0x1de285)
#19 test::run_test::_$u7b$$u7b$closure$u7d$$u7d$::hafa7836b79e6a84c /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:576:30 (arc_swap-a1768ea5572bf654+0x1dd121)
#20 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h702f3abbcdb74f00 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0x19f92e)
#21 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hf6de0726e1706af5 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x1c5494)
#22 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h887b5a540163d6ca /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0x184cb4)
#23 std::panicking::try::do_call::ha3f9f4ebee654392 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0x186cd2)
#24 __rust_try test.200d92bc-cgu.13 (arc_swap-a1768ea5572bf654+0x18f1d8)
#25 std::panicking::try::hbb5d8a48518ef1b9 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0x186942)
#26 std::panic::catch_unwind::h2c3ba6136512c7a0 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x185124)
#27 test::run_test_in_process::h382f64c350b24b5d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:608:18 (arc_swap-a1768ea5572bf654+0x1de602)
#28 test::run_test::run_test_inner::_$u7b$$u7b$closure$u7d$$u7d$::he81ffb33c672e6dd /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:500:39 (arc_swap-a1768ea5572bf654+0x1dded8)
#29 test::run_test::run_test_inner::_$u7b$$u7b$closure$u7d$$u7d$::hd865da0c3a692927 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:527:37 (arc_swap-a1768ea5572bf654+0x1de12a)
#30 std::sys_common::backtrace::__rust_begin_short_backtrace::he0d056c803c7b37c /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:123:18 (arc_swap-a1768ea5572bf654+0x184ff1)
#31 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h5f5177097fcfe840 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:477:17 (arc_swap-a1768ea5572bf654+0x186225)
#32 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::hf2387297fea4c3a7 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0x184de5)
#33 std::panicking::try::do_call::h3321a8597b07e432 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0x186a3e)
#34 __rust_try test.200d92bc-cgu.13 (arc_swap-a1768ea5572bf654+0x18f1d8)
#35 std::panicking::try::h7468cf75cc472c84 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0x1867f6)
#36 std::panic::catch_unwind::h7e598a4e380a1bd3 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x185185)
#37 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::h379f61b76aa5aaa7 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:476:30 (arc_swap-a1768ea5572bf654+0x185f61)
#38 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h517dc5422141019f /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0x19f8d5)
#39 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::h7c51f785c4bdd214 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x388074)
#40 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hbbe111351615a74a /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x38814e)
#41 std::sys::unix::thread::Thread::new::thread_start::he6142c0fcd17dea0 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:108:17 (arc_swap-a1768ea5572bf654+0x2d4ae1)
Thread T41 (tid=4507, running) created by thread T36 at:
#0 pthread_create /rustc/llvm/src/llvm-project/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:977:3 (arc_swap-a1768ea5572bf654+0x2be0d)
#1 std::sys::unix::thread::Thread::new::h2b5a08657dc2c320 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:87:19 (arc_swap-a1768ea5572bf654+0x2d450e)
#2 std::thread::Builder::spawn_unchecked::hc317474f05d4028d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:501:22 (arc_swap-a1768ea5572bf654+0xfe129)
#3 std::thread::Builder::spawn::h72094c6f68d6ddf9 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:382:18 (arc_swap-a1768ea5572bf654+0x100d6c)
#4 crossbeam_utils::thread::ScopedThreadBuilder::spawn::hceed5dcfd21efa90 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:451:17 (arc_swap-a1768ea5572bf654+0xd951a)
#5 crossbeam_utils::thread::Scope::spawn::h66ed5f14db304999 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:253:9 (arc_swap-a1768ea5572bf654+0xdc63d)
#6 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::h140b87f7cb8908d8 /home/nobodyxu/Dev/arc-swap/src/lib.rs:1149:25 (arc_swap-a1768ea5572bf654+0xcaa5b)
#7 crossbeam_utils::thread::scope::_$u7b$$u7b$closure$u7d$$u7d$::h5b70e2b63ccb0dc9 /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:162:65 (arc_swap-a1768ea5572bf654+0xdf8aa)
#8 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::haee83a11e98b1ebc /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0xf3b20)
#9 std::panicking::try::do_call::h0a816b8087cdf13f /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0xf5a0a)
#10 __rust_try 46q4l7863lajlfyb (arc_swap-a1768ea5572bf654+0xf6fe8)
#11 std::panicking::try::h9aa7612f6f5036b4 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0xf5102)
#12 std::panic::catch_unwind::hb1629b867c5b7d3b /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x10a9f0)
#13 crossbeam_utils::thread::scope::hee133044b35ad8fd /home/nobodyxu/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.8.1/src/thread.rs:162:18 (arc_swap-a1768ea5572bf654+0xde55b)
#14 arc_swap::tests_default::rcu::he018d1d919ddec6e /home/nobodyxu/Dev/arc-swap/src/lib.rs:1147:17 (arc_swap-a1768ea5572bf654+0xd22a4)
#15 arc_swap::tests_default::rcu::_$u7b$$u7b$closure$u7d$$u7d$::h1c58c438b8b61300 /home/nobodyxu/Dev/arc-swap/src/lib.rs:1143:13 (arc_swap-a1768ea5572bf654+0xca791)
#16 core::ops::function::FnOnce::call_once::h7c7a226754085154 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0xb94e7)
#17 core::ops::function::FnOnce::call_once::hb81219a3a5574e0d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0x1a094e)
#18 test::__rust_begin_short_backtrace::hc71431af1903e77b /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:585:5 (arc_swap-a1768ea5572bf654+0x1de285)
#19 test::run_test::_$u7b$$u7b$closure$u7d$$u7d$::hafa7836b79e6a84c /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:576:30 (arc_swap-a1768ea5572bf654+0x1dd121)
#20 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h702f3abbcdb74f00 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0x19f92e)
#21 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hf6de0726e1706af5 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x1c5494)
#22 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h887b5a540163d6ca /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0x184cb4)
#23 std::panicking::try::do_call::ha3f9f4ebee654392 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0x186cd2)
#24 __rust_try test.200d92bc-cgu.13 (arc_swap-a1768ea5572bf654+0x18f1d8)
#25 std::panicking::try::hbb5d8a48518ef1b9 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0x186942)
#26 std::panic::catch_unwind::h2c3ba6136512c7a0 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x185124)
#27 test::run_test_in_process::h382f64c350b24b5d /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:608:18 (arc_swap-a1768ea5572bf654+0x1de602)
#28 test::run_test::run_test_inner::_$u7b$$u7b$closure$u7d$$u7d$::he81ffb33c672e6dd /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:500:39 (arc_swap-a1768ea5572bf654+0x1dded8)
#29 test::run_test::run_test_inner::_$u7b$$u7b$closure$u7d$$u7d$::hd865da0c3a692927 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/test/src/lib.rs:527:37 (arc_swap-a1768ea5572bf654+0x1de12a)
#30 std::sys_common::backtrace::__rust_begin_short_backtrace::he0d056c803c7b37c /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys_common/backtrace.rs:123:18 (arc_swap-a1768ea5572bf654+0x184ff1)
#31 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h5f5177097fcfe840 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:477:17 (arc_swap-a1768ea5572bf654+0x186225)
#32 _$LT$core..panic..unwind_safe..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::hf2387297fea4c3a7 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/panic/unwind_safe.rs:271:9 (arc_swap-a1768ea5572bf654+0x184de5)
#33 std::panicking::try::do_call::h3321a8597b07e432 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:406:40 (arc_swap-a1768ea5572bf654+0x186a3e)
#34 __rust_try test.200d92bc-cgu.13 (arc_swap-a1768ea5572bf654+0x18f1d8)
#35 std::panicking::try::h7468cf75cc472c84 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panicking.rs:370:19 (arc_swap-a1768ea5572bf654+0x1867f6)
#36 std::panic::catch_unwind::h7e598a4e380a1bd3 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/panic.rs:133:14 (arc_swap-a1768ea5572bf654+0x185185)
#37 std::thread::Builder::spawn_unchecked::_$u7b$$u7b$closure$u7d$$u7d$::h379f61b76aa5aaa7 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/mod.rs:476:30 (arc_swap-a1768ea5572bf654+0x185f61)
#38 core::ops::function::FnOnce::call_once$u7b$$u7b$vtable.shim$u7d$$u7d$::h517dc5422141019f /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:227:5 (arc_swap-a1768ea5572bf654+0x19f8d5)
#39 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::h7c51f785c4bdd214 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x388074)
#40 _$LT$alloc..boxed..Box$LT$F$C$A$GT$$u20$as$u20$core..ops..function..FnOnce$LT$Args$GT$$GT$::call_once::hbbe111351615a74a /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/boxed.rs:1811:9 (arc_swap-a1768ea5572bf654+0x38814e)
#41 std::sys::unix::thread::Thread::new::thread_start::he6142c0fcd17dea0 /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/thread.rs:108:17 (arc_swap-a1768ea5572bf654+0x2d4ae1)
SUMMARY: ThreadSanitizer: data race /home/nobodyxu/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/unix/alloc.rs:42:9 in std::sys::unix::alloc::_$LT$impl$u20$core..alloc..global..GlobalAlloc$u20$for$u20$std..alloc..System$GT$::dealloc::h2a676766609ecfae
==================
test tests::lease_overflow ... ok
test tests_default::load_null ... ok
test tests_default::load_option ... ok
test tests_default::nulls ... ok
test tests_default::rcu_panic ... ok
test tests_default::guard_drop_in_another_thread ... ok
test tests_default::cas_ref_cnt ... ok
test tests_default::recursive ... ok
test tests_default::rcu ... ok
test tests_default::publish ... ok
test tests_default::guard_drop_in_thread ... ok
test tests_default::swap_load ... ok
test tests_default::multi_writers ... ok
test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.54s
ThreadSanitizer: reported 1 warnings
error: test failed, to rerun pass '--lib'
I am using cargo-1.58.0-nightly on Linux:
cargo 1.58.0-nightly (40dc28175 2021-12-06)
release: 1.58.0
commit-hash: 40dc281755137ee804bc9b3b08e782773b726e44
commit-date: 2021-12-06
host: x86_64-unknown-linux-gnu
libgit2: 1.3.0 (sys:0.13.23 vendored)
libcurl: 7.80.0-DEV (sys:0.4.51+curl-7.80.0 vendored ssl:OpenSSL/1.1.1l)
os: Linux 2.7 [64-bit]
clang --version
clang version 13.0.0
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/lib/llvm/13/bin
gcc --version:
gcc (Gentoo 11.2.1_p20211127 p0) 11.2.1 20211127
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.