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conan install rtmidi/5.0.0@ --build=rtmidi --profile=/home/conan/w/BuildSingleReference/60577/d90ae8e8-0d46-494e-8ed4-957f5ef751f8/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
os=Linux
[options]
rtmidi:shared=False
[build_requires]
[env]

rtmidi/5.0.0: Forced build from source
Installing package: rtmidi/5.0.0
Requirements
    libalsa/1.2.4 from 'conan-center' - Cache
    rtmidi/5.0.0 from local cache - Cache
Packages
    libalsa/1.2.4:10ffb0b4886846f4591ae6ffdd0e4213d7904ce9 - Cache
    rtmidi/5.0.0:d4e3498213e0128c921a09e0ce024ef39574f2c5 - Build
Build requirements
    pkgconf/1.7.4 from 'conan-center' - Cache
Build requirements packages
    pkgconf/1.7.4:76f87539fc90ff313e0b3182641a9bb558a717d2 - Cache

Installing (downloading, building) binaries...
libalsa/1.2.4: 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
pkgconf/1.7.4: Already installed!
pkgconf/1.7.4: Appending PATH env var: /home/conan/w/BuildSingleReference/.conan/data/pkgconf/1.7.4/_/_/package/76f87539fc90ff313e0b3182641a9bb558a717d2/bin
pkgconf/1.7.4: Setting PKG_CONFIG env var: /home/conan/w/BuildSingleReference/.conan/data/pkgconf/1.7.4/_/_/package/76f87539fc90ff313e0b3182641a9bb558a717d2/bin/pkgconf
pkgconf/1.7.4: Appending AUTOMAKE_CONAN_INCLUDES env var: /home/conan/w/BuildSingleReference/.conan/data/pkgconf/1.7.4/_/_/package/76f87539fc90ff313e0b3182641a9bb558a717d2/bin/aclocal
[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
rtmidi/5.0.0: Applying build-requirement: pkgconf/1.7.4
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
rtmidi/5.0.0: Configuring sources in /home/conan/w/BuildSingleReference/.conan/data/rtmidi/5.0.0/_/_/source
Waiting 5 seconds to retry...
rtmidi/5.0.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/rtmidi/5.0.0/_/_/build/d4e3498213e0128c921a09e0ce024ef39574f2c5
rtmidi/5.0.0: WARN: Trying to remove corrupted source folder
rtmidi/5.0.0: WARN: This can take a while for big packages
ERROR: Download failed, check server, possibly try again
("Connection broken: ConnectionResetError(104, 'Connection reset by peer')", ConnectionResetError(104, 'Connection reset by peer'))
ERROR: rtmidi/5.0.0: Error in source() method, line 54
	destination=self._source_subfolder, strip_root=True)
	ConanConnectionError: Download failed, check server, possibly try again
("Connection broken: ConnectionResetError(104, 'Connection reset by peer')", ConnectionResetError(104, 'Connection reset by peer'))