package libcrypt1 (not installed) failed to install/upgrade: installing libcrypt1:amd64 would break existing software

[Kai]

  when do-release-upgrade form 18.04 to 20.04,some problems occurred,it seems that these bugs come from lib6c and libcrypt1,some errors are list as follows:

dpkg: error processing archive /var/cache/apt/archives/libcrypt1_1%3a4.4.10-10ubuntu4_amd64.deb (--unpack):
installing libcrypt1:amd64 would break existing software
dpkg: regarding .../libcrypt1_1%3a4.4.10-10ubuntu4_i386.deb containing libcrypt1:i386:
libcrypt1:i386 breaks libc6 (<< 2.31)
  libc6:amd64 (version 2.27-3ubuntu1.6) is present and installed.
  libc6:i386 (version 2.27-3ubuntu1.6) is present and installed.
dpkg: error processing archive /var/cache/apt/archives/libcrypt1_1%3a4.4.10-10ubuntu4_i386.deb (--unpack):
 installing libcrypt1:i386 would break existing software
No apport report written because MaxReports is reached already
                                                              Errors were encountered while processing:
 /var/cache/apt/archives/libc6_2.31-0ubuntu9.14_i386.deb
 /var/cache/apt/archives/libc6_2.31-0ubuntu9.14_amd64.deb
 /var/cache/apt/archives/libcrypt1_1%3a4.4.10-10ubuntu4_amd64.deb
 /var/cache/apt/archives/libcrypt1_1%3a4.4.10-10ubuntu4_i386.deb
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/libc6.0.crash'
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/libcrypt1.0.crash'
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/libc6.0.crash'
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/libcrypt1.0.crash'
Exception during pm.DoInstall(): E:Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libcrypt1 (not installed)
ProcVersionSignature: Ubuntu 5.4.0-152.169~18.04.1-generic 5.4.235
Uname: Linux 5.4.0-152-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.29
Architecture: amd64
Date: Tue Dec 26 21:30:52 2023
ErrorMessage: installing libcrypt1:amd64 would break existing software
InstallationDate: Installed on 1970-12-11 (19373 days ago)
InstallationMedia:

Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.4
 apt 1.6.17
SourcePackage: libxcrypt
Title: package libcrypt1 (not installed) failed to install/upgrade: installing libcrypt1:amd64 would break existing software
UpgradeStatus: Upgraded to bionic on 2023-12-26 (0 days ago)