********************************************************************************
conan install serf/1.3.9@ --profile=/home/conan/w/BuildSingleReference/1592/e63baf05-af26-4a04-8fd1-9ad866c66c65/profile.txt --build=serf
********************************************************************************
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=10
os=Linux
os_build=Linux
[options]
serf:shared=False
[build_requires]
[env]

serf/1.3.9: Forced build from source
Installing package: serf/1.3.9
Requirements
    apr/1.7.0 from 'conan-center' - Cache
    apr-util/1.6.1 from 'conan-center' - Cache
    expat/2.2.9 from 'conan-center' - Cache
    openssl/1.1.1g from 'conan-center' - Cache
    serf/1.3.9 from 'conan-upstream' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    apr/1.7.0:6b691b64869875abeb2fd6fd339b574d6779d02e - Missing
    apr-util/1.6.1:c39d41c1363e31bb7d6298463044080f25763bb3 - Missing
    expat/2.2.9:75e99b627c196b65c439728670655ec3c366b334 - Download
    openssl/1.1.1g:75e99b627c196b65c439728670655ec3c366b334 - Missing
    serf/1.3.9:181b9b870d06b76ce7659959a591e674453462cd - Build
    zlib/1.2.11:75e99b627c196b65c439728670655ec3c366b334 - Download
Build requirements
    scons/3.1.2 from 'conan-center' - Cache
Build requirements packages
    scons/3.1.2:cb054d0b3e1ca595dc66bc2339d40f1f8f04ab31 - Download

Installing (downloading, building) binaries...

ERROR: Missing binary: apr/1.7.0:6b691b64869875abeb2fd6fd339b574d6779d02e
ERROR: Missing binary: apr-util/1.6.1:c39d41c1363e31bb7d6298463044080f25763bb3
ERROR: Missing binary: openssl/1.1.1g:75e99b627c196b65c439728670655ec3c366b334
apr/1.7.0: WARN: Can't find a 'apr/1.7.0' package for the specified settings, options and dependencies:
- Settings: arch=x86_64, build_type=Debug, compiler=gcc, compiler.version=10, os=Linux
- Options: fPIC=True, force_apr_uuid=True, shared=False
- Dependencies: 
- Requirements: 
- Package ID: 6b691b64869875abeb2fd6fd339b574d6779d02e

ERROR: Missing prebuilt package for 'apr/1.7.0', 'apr-util/1.6.1', 'openssl/1.1.1g'
Try to build from sources with '--build=apr --build=apr-util --build=openssl'
Use 'conan search <reference> --table table.html'
Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'