********************************************************************************
conan install backward-cpp/1.4@ --build=backward-cpp --profile=/home/conan/w/BuildSingleReference/70184/5e86f349-8ba0-40c0-92c3-52725151786b/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=8
os=Linux
[options]
backward-cpp:shared=False
[build_requires]
[env]

backward-cpp/1.4: Forced build from source
Installing package: backward-cpp/1.4
Requirements
    backward-cpp/1.4 from local cache - Cache
    libdwarf/20191104 from 'conan-center' - Cache
    libelf/0.8.13 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    backward-cpp/1.4:ccbb04ca33ad12cdfd50e4e190437311cd280146 - Build
    libdwarf/20191104:d5fe6aa0a7f6956f5935d1fa25b490120e23cedf - Cache
    libelf/0.8.13:1d877a3df840030e6a8abb74c5ffb9088d08b47a - Cache
    zlib/1.2.11:1d877a3df840030e6a8abb74c5ffb9088d08b47a - Cache

Installing (downloading, building) binaries...
libelf/0.8.13: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
zlib/1.2.11: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
libdwarf/20191104: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
backward-cpp/1.4: Copying sources to build folder
backward-cpp/1.4: Building your package in /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146
backward-cpp/1.4: Generator cmake created conanbuildinfo.cmake
backward-cpp/1.4: Aggregating env generators
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK. 'fPIC' option found and apparently well managed
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
backward-cpp/1.4: Calling build()

----Running------
> cd '/home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146/build_subfolder' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="8" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++11" -DBUILD_SHARED_LIBS="OFF" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/package/ccbb04ca33ad12cdfd50e4e190437311cd280146" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCONAN_CMAKE_POSITION_INDEPENDENT_CODE="ON" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -DSTACK_WALKING_UNWIND="True" -DSTACK_WALKING_BACKTRACE="False" -DSTACK_DETAILS_AUTO_DETECT="False" -DSTACK_DETAILS_BACKTRACE_SYMBOL="False" -DSTACK_DETAILS_DW="False" -DSTACK_DETAILS_BFD="False" -DSTACK_DETAILS_DWARF="True" -DBACKWARD_SHARED="False" -DBACKWARD_TESTS="False" -Wno-dev '/home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146'
-----------------
-- The C compiler identification is GNU 8.4.0
-- The CXX compiler identification is GNU 8.4.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Conan: called by CMake conan helper
-- Conan: called inside local cache
-- Conan: Adjusting output directories
-- Conan: Using cmake global configuration
-- Conan: Adjusting default RPATHs Conan policies
-- Conan: Adjusting language standard
-- Conan: Adjusting fPIC flag (ON)
-- Conan: Compiler GCC>=5, checking major version 8
-- Conan: Checking correct version: 8
-- Conan: C++ stdlib: libstdc++11
-- Found Backward: /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146/source_subfolder  
-- Configuring done
-- Generating done
-- Build files have been written to: /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146/build_subfolder

----Running------
> cmake --build '/home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146/build_subfolder' '--' '-j3'
-----------------
Scanning dependencies of target backward_object
Scanning dependencies of target backward
[ 33%] Building CXX object source_subfolder/CMakeFiles/backward_object.dir/backward.cpp.o
[ 66%] Building CXX object source_subfolder/CMakeFiles/backward.dir/backward.cpp.o
[100%] Linking CXX static library ../lib/libbackward.a
[100%] Built target backward_object
[100%] Built target backward
backward-cpp/1.4: Package 'ccbb04ca33ad12cdfd50e4e190437311cd280146' built
backward-cpp/1.4: Build folder /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146
backward-cpp/1.4: Generated conaninfo.txt
backward-cpp/1.4: Generated conanbuildinfo.txt
backward-cpp/1.4: Generating the package
backward-cpp/1.4: Package folder /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/package/ccbb04ca33ad12cdfd50e4e190437311cd280146
backward-cpp/1.4: Calling package()

----Running------
> cmake --build '/home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/build/ccbb04ca33ad12cdfd50e4e190437311cd280146/build_subfolder' '--target' 'install' '--' '-j3'
-----------------
[ 33%] Built target backward_object
[100%] Built target backward
Install the project...
-- Install configuration: "Release"
-- Installing: /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/package/ccbb04ca33ad12cdfd50e4e190437311cd280146/include/backward.hpp
-- Installing: /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/package/ccbb04ca33ad12cdfd50e4e190437311cd280146/lib/backward/BackwardConfig.cmake
-- Installing: /home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/package/ccbb04ca33ad12cdfd50e4e190437311cd280146/lib/libbackward.a
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


ERROR: backward-cpp/1.4: Error in package() method, line 150
	os.remove(os.path.join(self.package_folder, "lib", "backward"))
	IsADirectoryError: [Errno 21] Is a directory: '/home/conan/w/BuildSingleReference/.conan/data/backward-cpp/1.4/_/_/package/ccbb04ca33ad12cdfd50e4e190437311cd280146/lib/backward'