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conan install cppserver/1.0.0.0@ --profile=/Users/jenkins/w/BuildSingleReference/1735/85894e8b-0222-45ff-8310-99380c9777f1/profile.txt --build=cppserver
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
os_build=Macos
[options]
cppserver:shared=False
[build_requires]
[env]

cppserver/1.0.0.0: Forced build from source
Installing package: cppserver/1.0.0.0
Requirements
    asio/1.17.0 from 'conan-center' - Cache
    cppcommon/cci.20201104 from 'conan-center' - Cache
    cppserver/1.0.0.0 from 'conan-upstream' - Cache
    fmt/7.1.2 from 'conan-center' - Cache
    openssl/1.1.1g from 'conan-center' - Cache
Packages
    asio/1.17.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download
    cppcommon/cci.20201104:bad66579fec5e38b3e179e5c48e78f50e3891489 - Missing
    cppserver/1.0.0.0:26ac073503cd05eee3f29803f4bf860af20e1599 - Build
    fmt/7.1.2:6a83d7f783e7ee89a83cf2fe72b5f5f67538e2a6 - Missing
    openssl/1.1.1g:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Missing

Installing (downloading, building) binaries...

ERROR: Missing binary: cppcommon/cci.20201104:bad66579fec5e38b3e179e5c48e78f50e3891489
ERROR: Missing binary: fmt/7.1.2:6a83d7f783e7ee89a83cf2fe72b5f5f67538e2a6
ERROR: Missing binary: openssl/1.1.1g:647afeb69d3b0a2d3d316e80b24d38c714cc6900
fmt/7.1.2: WARN: Can't find a 'fmt/7.1.2' package for the specified settings, options and dependencies:
- Settings: arch=x86_64, build_type=Release, compiler=apple-clang, compiler.libcxx=libc++, compiler.version=12.0, os=Macos
- Options: fPIC=True, header_only=False, shared=False, with_fmt_alias=False
- Dependencies: 
- Requirements: 
- Package ID: 6a83d7f783e7ee89a83cf2fe72b5f5f67538e2a6

ERROR: Missing prebuilt package for 'cppcommon/cci.20201104', 'fmt/7.1.2', 'openssl/1.1.1g'
Try to build from sources with '--build=cppcommon --build=fmt --build=openssl'
Use 'conan search <reference> --table table.html'
Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'