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Description
openedon Oct 6, 2018
I'm seeing frequent rustc freezes (0% CPU) with incremental compilation enabled on Windows 7. This happens about every 2nd or 3rd build attempt. Once this happens (and after killing the frozen rustc), any further attempts hang forever as well (i.e. I waited 5 minutes). cargo clean resolves the issue until it happens again a few builds later, setting CARGO_INCREMENTAL=0 appears to completely prevent it.
This might be a duplicate of/related to #54627.
I have attached a debugger to get the traces, but I don't have any symbols for rustc, so this is probably useless:
> ntdll.dll!NtWaitForKeyedEvent�()
ntdll.dll!RtlSleepConditionVariableSRW�()
kernel32.dll!SleepConditionVariableSRW�()
std-955ac6734338b235.dll!000007fedb3c7fa4()
std-955ac6734338b235.dll!000007fedb3a7781()
rustc_codegen_llvm-llvm.dll!000007fed71f49d2()
rustc_codegen_llvm-llvm.dll!000007fed71c8283()
rustc_codegen_llvm-llvm.dll!000007fed718739c()
rustc_codegen_llvm-llvm.dll!000007fed71c2720()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc915108()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc9384ac()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc8d8fb3()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc8d4e36()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc987961()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc9e27e0()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc92e728()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc9c7908()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc92c325()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc9c6588()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc92b665()
std-955ac6734338b235.dll!000007fedb3da2a2()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc9c37b3()
rustc_driver-7ae0c7f4e267e2e6.dll!000007fedc9d5f8e()
rustc.exe!000000013f071056()
std-955ac6734338b235.dll!000007fedb3a8477()
std-955ac6734338b235.dll!000007fedb3da2a2()
std-955ac6734338b235.dll!000007fedb3ba4c3()
rustc.exe!000000013f07104a()
rustc.exe!000000013f071299()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!NtWaitForMultipleObjects�()
KernelBase.dll!WaitForMultipleObjectsEx()
kernel32.dll!WaitForMultipleObjects�()
rustc-cfefa64b59573cce.dll!000007fedbea2476()
rustc-cfefa64b59573cce.dll!000007fedbea2768()
std-955ac6734338b235.dll!000007fedb3da2a2()
rustc-cfefa64b59573cce.dll!000007fedbe9e662()
std-955ac6734338b235.dll!000007fedb3d8672()
std-955ac6734338b235.dll!000007fedb3b48e9()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!NtWaitForKeyedEvent�()
ntdll.dll!RtlSleepConditionVariableSRW�()
kernel32.dll!SleepConditionVariableSRW�()
std-955ac6734338b235.dll!000007fedb3c7fa4()
std-955ac6734338b235.dll!000007fedb3a7781()
rustc_codegen_llvm-llvm.dll!000007fed70cfb2a()
rustc_codegen_llvm-llvm.dll!000007fed71c78f8()
rustc_codegen_llvm-llvm.dll!000007fed70c9384()
rustc_codegen_llvm-llvm.dll!000007fed70e3346()
std-955ac6734338b235.dll!000007fedb3da2a2()
rustc_codegen_llvm-llvm.dll!000007fed70d4e59()
std-955ac6734338b235.dll!000007fedb3d8672()
std-955ac6734338b235.dll!000007fedb3b48e9()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
rustc_codegen_llvm-llvm.dll!000007fed8af53a0()
rustc_codegen_llvm-llvm.dll!000007fed8af564b()
rustc_codegen_llvm-llvm.dll!000007fed8af554e()
ntdll.dll!RtlProcessFlsData�()
ntdll.dll!LdrShutdownThread�()
ntdll.dll!RtlExitUserThread�()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrGetProcedureAddressEx�()
ntdll.dll!LdrGetProcedureAddress�()
KernelBase.dll!GetProcAddress()
rustc_codegen_llvm-llvm.dll!000007fed8af6236()
rustc_codegen_llvm-llvm.dll!000007fed8af6bdc()
rustc_codegen_llvm-llvm.dll!000007fed8af2e9a()
rustc_codegen_llvm-llvm.dll!000007fed8ad3d7d()
rustc_codegen_llvm-llvm.dll!000007fed73bc2fe()
rustc_codegen_llvm-llvm.dll!000007fed73bc203()
rustc_codegen_llvm-llvm.dll!000007fed73bb9e1()
rustc_codegen_llvm-llvm.dll!000007fed752c6e7()
rustc_codegen_llvm-llvm.dll!000007fed7c20cbc()
rustc_codegen_llvm-llvm.dll!000007fed7c19b56()
rustc_codegen_llvm-llvm.dll!000007fed7c239d3()
rustc_codegen_llvm-llvm.dll!000007fed733a810()
rustc_codegen_llvm-llvm.dll!000007fed72469f9()
rustc_codegen_llvm-llvm.dll!000007fed70f40bf()
rustc_codegen_llvm-llvm.dll!000007fed70cd5d2()
rustc_codegen_llvm-llvm.dll!000007fed70e3399()
std-955ac6734338b235.dll!000007fedb3da2a2()
rustc_codegen_llvm-llvm.dll!000007fed70d4b9a()
std-955ac6734338b235.dll!000007fedb3d8672()
std-955ac6734338b235.dll!000007fedb3b48e9()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrShutdownThread�()
ntdll.dll!RtlExitUserThread�()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrShutdownThread�()
ntdll.dll!RtlExitUserThread�()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrShutdownThread�()
ntdll.dll!RtlExitUserThread�()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrShutdownThread�()
ntdll.dll!RtlExitUserThread�()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
rustc_codegen_llvm-llvm.dll!000007fed8af53e0()
rustc_codegen_llvm-llvm.dll!000007fed8af5533()
rustc_codegen_llvm-llvm.dll!000007fed8af5926()
rustc_codegen_llvm-llvm.dll!000007fed8af13c9()
rustc_codegen_llvm-llvm.dll!000007fed8ad0bf6()
rustc_codegen_llvm-llvm.dll!000007fed8ad0471()
rustc_codegen_llvm-llvm.dll!000007fed8ad06a1()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
rustc_codegen_llvm-llvm.dll!000007fed8af53a0()
rustc_codegen_llvm-llvm.dll!000007fed8af564b()
rustc_codegen_llvm-llvm.dll!000007fed8af554e()
ntdll.dll!RtlProcessFlsData�()
ntdll.dll!LdrShutdownThread�()
ntdll.dll!RtlExitUserThread�()
kernel32.dll!BaseThreadInitThunk�()
ntdll.dll!RtlUserThreadStart�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
> ntdll.dll!ZwWaitForSingleObject�()
ntdll.dll!RtlpWaitOnCriticalSection�()
ntdll.dll!RtlEnterCriticalSection�()
ntdll.dll!LdrpInitializeThread�()
ntdll.dll!_LdrpInitialize�()
ntdll.dll!LdrInitializeThunk�()
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