********************************************************************************
conan install confu_boost/1.0.0@ --build=confu_boost --profile=/home/conan/w/BuildSingleReference/12544/6bd17421-5ab9-4508-9f3e-d29c2c168ca8/profile.txt
********************************************************************************
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++
compiler.version=6
os=Linux
os_build=Linux
[options]
confu_boost:shared=False
[build_requires]
[env]

confu_boost/1.0.0: Forced build from source
Installing package: confu_boost/1.0.0
Requirements
    boost/1.76.0 from 'conan-center' - Cache
    bzip2/1.0.8 from 'conan-center' - Cache
    catch2/2.13.1 from 'conan-center' - Cache
    confu_boost/1.0.0 from local cache - Cache
    libbacktrace/cci.20210118 from 'conan-center' - Cache
    libiconv/1.16 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    boost/1.76.0:be495609b22f8d8d1f6aeaa7042e27c5321c6158 - Cache
    bzip2/1.0.8:09e3a4c43285997784a5fcaefa367cb780af2032 - Cache
    catch2/2.13.1:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    confu_boost/1.0.0:ec0e564c055a35eef5a7fb285b7308e3c985b5c8 - Build
    libbacktrace/cci.20210118:f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb - Cache
    libiconv/1.16:f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb - Cache
    zlib/1.2.11:f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb - Cache

Installing (downloading, building) binaries...
bzip2/1.0.8: Already installed!
bzip2/1.0.8: Appending PATH environment variable: /home/conan/w/BuildSingleReference/.conan/data/bzip2/1.0.8/_/_/package/09e3a4c43285997784a5fcaefa367cb780af2032/bin
[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
catch2/2.13.1: 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
libbacktrace/cci.20210118: 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
libiconv/1.16: Already installed!
libiconv/1.16: Appending PATH environment var: /home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb/bin
[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
boost/1.76.0: 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
confu_boost/1.0.0: Copying sources to build folder
confu_boost/1.0.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8
confu_boost/1.0.0: Generator cmake created conanbuildinfo.cmake
[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
confu_boost/1.0.0: Calling build()

----Running------
> cd '/home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="6" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DBUILD_SHARED_LIBS="OFF" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/package/ec0e564c055a35eef5a7fb285b7308e3c985b5c8" -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" -Wno-dev '/home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8/confu_boost-1.0.0'
-----------------
-- The CXX compiler identification is GNU 6.4.0
-- 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 targets configuration
-- Library boost_contract found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_contract.a
-- Library boost_coroutine found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_coroutine.a
-- Library boost_fiber_numa found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_fiber_numa.a
-- Library boost_fiber found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_fiber.a
-- Library boost_context found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_context.a
-- Library boost_graph found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_graph.a
-- Library boost_iostreams found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_iostreams.a
-- Library boost_json found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_json.a
-- Library boost_log_setup found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_log_setup.a
-- Library boost_log found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_log.a
-- Library boost_locale found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_locale.a
-- Library boost_math_c99 found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_math_c99.a
-- Library boost_math_c99f found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_math_c99f.a
-- Library boost_math_c99l found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_math_c99l.a
-- Library boost_math_tr1 found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_math_tr1.a
-- Library boost_math_tr1f found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_math_tr1f.a
-- Library boost_math_tr1l found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_math_tr1l.a
-- Library boost_nowide found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_nowide.a
-- Library boost_program_options found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_program_options.a
-- Library boost_random found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_random.a
-- Library boost_regex found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_regex.a
-- Library boost_stacktrace_addr2line found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_stacktrace_addr2line.a
-- Library boost_stacktrace_backtrace found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_stacktrace_backtrace.a
-- Library boost_stacktrace_basic found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_stacktrace_basic.a
-- Library boost_stacktrace_noop found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_stacktrace_noop.a
-- Library boost_timer found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_timer.a
-- Library boost_type_erasure found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_type_erasure.a
-- Library boost_thread found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_thread.a
-- Library boost_atomic found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_atomic.a
-- Library boost_chrono found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_chrono.a
-- Library boost_container found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_container.a
-- Library boost_date_time found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_date_time.a
-- Library boost_unit_test_framework found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_unit_test_framework.a
-- Library boost_prg_exec_monitor found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_prg_exec_monitor.a
-- Library boost_test_exec_monitor found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_test_exec_monitor.a
-- Library boost_exception found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_exception.a
-- Library boost_wave found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_wave.a
-- Library boost_filesystem found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_filesystem.a
-- Library boost_system found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_system.a
-- Library boost_wserialization found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_wserialization.a
-- Library boost_serialization found /home/conan/w/BuildSingleReference/.conan/data/boost/1.76.0/_/_/package/be495609b22f8d8d1f6aeaa7042e27c5321c6158/lib/libboost_serialization.a
-- Library z found /home/conan/w/BuildSingleReference/.conan/data/zlib/1.2.11/_/_/package/f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb/lib/libz.a
-- Library bz2 found /home/conan/w/BuildSingleReference/.conan/data/bzip2/1.0.8/_/_/package/09e3a4c43285997784a5fcaefa367cb780af2032/lib/libbz2.a
-- Library backtrace found /home/conan/w/BuildSingleReference/.conan/data/libbacktrace/cci.20210118/_/_/package/f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb/lib/libbacktrace.a
-- Library iconv found /home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb/lib/libiconv.a
-- Library charset found /home/conan/w/BuildSingleReference/.conan/data/libiconv/1.16/_/_/package/f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb/lib/libcharset.a
-- Conan: Adjusting default RPATHs Conan policies
-- Conan: Adjusting language standard
-- Conan: Adjusting fPIC flag (ON)
-- Conan: Compiler GCC>=5, checking major version 6
-- Conan: Checking correct version: 6
-- Conan: C++ stdlib: libstdc++
-- Configuring done
confu_boost/1.0.0: 
CMake Warning at cmake/Cache.cmake:28 (message):
  ccache is enabled but was not found.  Not using it
Call Stack (most recent call first):
  CMakeLists.txt:12 (include)


CMake Error in CMakeLists.txt:
  The compiler feature "cxx_std_20" is not known to CXX compiler

  "GNU"

  version 6.4.0.


CMake Generate step failed.  Build files cannot be regenerated correctly.
confu_boost/1.0.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8
confu_boost/1.0.0: ERROR: Package 'ec0e564c055a35eef5a7fb285b7308e3c985b5c8' build failed
confu_boost/1.0.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8
ERROR: confu_boost/1.0.0: Error in build() method, line 40
	cmake.configure(source_folder="confu_boost-" + self.version)
	ConanException: Error 1 while executing cd '/home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="6" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DBUILD_SHARED_LIBS="OFF" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/package/ec0e564c055a35eef5a7fb285b7308e3c985b5c8" -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" -Wno-dev '/home/conan/w/BuildSingleReference/.conan/data/confu_boost/1.0.0/_/_/build/ec0e564c055a35eef5a7fb285b7308e3c985b5c8/confu_boost-1.0.0'