How to solve many Failed to import mistakes in MAC OS Homebrew update Times?

huangwhMac:~ huangwh$ brew update
==> Downloading https://homebrew.bintray.com/bottles-portable-ruby/portable-ruby-2.3.7.leopard_64.bottle.tar.gz
-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp-sharp 100.0%
==> Pouring portable-ruby-2.3.7.leopard_64.bottle.tar.gz
==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
  https://github.com/Homebrew/brew-sharpdonations
Updated Homebrew from b4d43e9 to 922843f.
Updated 5 taps (homebrew/core, homebrew/nginx, homebrew/php, homebrew/services, homebrew/versions).
==> Migrating cache entries...
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/curlftpfs.rb
bad URI(is not URI?): :pserver:anonymous:@curlftpfs.cvs.sourceforge.net:/cvsroot/curlftpfs
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/global.rb
bad URI(is not URI?): :pserver:anonymous:@cvs.savannah.gnu.org:/sources/global
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/id3lib.rb
bad URI(is not URI?): :pserver:anonymous:@id3lib.cvs.sourceforge.net:/cvsroot/id3lib
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/libowfat.rb
bad URI(is not URI?): :pserver:cvs:@cvs.fefe.de:/cvs
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/mandoc.rb
bad URI(is not URI?): anoncvs@mandoc.bsd.lv:/cvs
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/myman.rb
bad URI(is not URI?): :pserver:anonymous:@myman.cvs.sourceforge.net:/cvsroot/myman
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/ncp.rb
bad URI(is not URI?): :pserver:cvs:@cvs.fefe.de:/cvs
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/percona-toolkit.rb
no implicit conversion of nil into String
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/schroedinger.rb
no implicit conversion of nil into String
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/squid.rb
no implicit conversion of nil into String
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/terminator.rb
no implicit conversion of nil into String
Error: Failed to import: /usr/local/Homebrew/Library/Taps/homebrew/homebrew-php/Formula/php71.rb
php71: cannot load such file -- /usr/local/Homebrew/Library/Taps/homebrew/homebrew-php/Abstract/abstract-php

I don"t understand ruby,. This is supposed to be a new version of berw that can"t be installed when downloaded.
ask God for a solution. I can"t find anything relevant at all. I found it after google, but I don"t seem to have given a solution. Maybe my English is too bad to understand.

look at the problems on the Internet with brew doctor. As soon as the execution result comes out, there are a lot of problems

.
huangwhMac:~ huangwh$ brew doctor
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don"t worry or file an issue; just ignore this. Thanks!

Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn"t put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected dylibs:
  /usr/local/lib/libluajit-5.1.2.0.2.dylib

Warning: Unbrewed .pc files were found in /usr/local/lib/pkgconfig.
If you didn"t put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected .pc files:
  /usr/local/lib/pkgconfig/luajit.pc

Warning: Unbrewed static libraries were found in /usr/local/lib.
If you didn"t put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.

Unexpected static libraries:
  /usr/local/lib/libluajit-5.1.a

Warning: You have unlinked kegs in your Cellar
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built. Run `brew link` on these:
  autoconf
  cloog
  freetype
  gcc
  gmp
  gmp@4
  intltool
  isl
  isl@0.11
  libevent
  libmpc
  libmpc@0.8
  libtool
  mcrypt
  memcached
  mhash
  mpfr
  mpfr@2
  neon
  pcre
  pkg-config
  re2c
  scons
  subversion17
  unixodbc
  wget

Warning: An outdated version (2.8.2) of Git was detected in your PATH.
Git 2.14.3 or newer is required for Homebrew.
Please upgrade:
  brew upgrade git

Warning: /usr/bin occurs before /usr/local/bin
This means that system-provided programs will be used instead of those
provided by Homebrew. The following tools exist at both paths:
  easy_install
  easy_install-2.7
  git
  git-cvsserver
  git-receive-pack
  git-shell
  git-upload-archive
  git-upload-pack
  phar
  phar.phar
  php
  php-config
  phpize
  svn
  svnadmin
  svndumpfilter
  svnlook
  svnserve
  svnsync
  svnversion

Consider setting your PATH so that /usr/local/bin
occurs before /usr/bin. Here is a one-liner:
  echo "export PATH="/usr/local/bin:$PATH"" >> ~/.bash_profile

Warning: Homebrew"s sbin was not found in your PATH but you have installed
formulae that put executables in /usr/local/sbin.
Consider setting the PATH for example like so
  echo "export PATH="/usr/local/sbin:$PATH"" >> ~/.bash_profile

Warning: Your Xcode (7.3) is outdated.
Please update to Xcode 8.2.1 (or delete it).
Xcode can be updated from the App Store.


Warning: Broken symlinks were found. Remove them with `brew prune`:
  /usr/local/bin/nginx
  /usr/local/bin/sublime
  /usr/local/etc/bash_completion.d/_brew_services
  /usr/local/include/gmp.h
  /usr/local/include/gmpxx.h
  /usr/local/include/isl/aff.h
  /usr/local/include/isl/aff_type.h
  /usr/local/include/isl/arg.h
  /usr/local/include/isl/ast.h
  /usr/local/include/isl/ast_build.h
  /usr/local/include/isl/band.h
  /usr/local/include/isl/blk.h
  /usr/local/include/isl/config.h
  /usr/local/include/isl/constraint.h
  /usr/local/include/isl/ctx.h
  /usr/local/include/isl/dim.h
  /usr/local/include/isl/flow.h
  /usr/local/include/isl/hash.h
  /usr/local/include/isl/id.h
  /usr/local/include/isl/ilp.h
  /usr/local/include/isl/int.h
  /usr/local/include/isl/list.h
  /usr/local/include/isl/local_space.h
  /usr/local/include/isl/lp.h
  /usr/local/include/isl/map.h
  /usr/local/include/isl/map_type.h
  /usr/local/include/isl/mat.h
  /usr/local/include/isl/multi.h
  /usr/local/include/isl/obj.h
  /usr/local/include/isl/options.h
  /usr/local/include/isl/point.h
  /usr/local/include/isl/polynomial.h
  /usr/local/include/isl/polynomial_type.h
  /usr/local/include/isl/printer.h
  /usr/local/include/isl/schedule.h
  /usr/local/include/isl/seq.h
  /usr/local/include/isl/set.h
  /usr/local/include/isl/set_type.h
  /usr/local/include/isl/space.h
  /usr/local/include/isl/stdint.h
  /usr/local/include/isl/stream.h
  /usr/local/include/isl/union_map.h
  /usr/local/include/isl/union_map_type.h
  /usr/local/include/isl/union_set.h
  /usr/local/include/isl/union_set_type.h
  /usr/local/include/isl/val.h
  /usr/local/include/isl/val_gmp.h
  /usr/local/include/isl/val_int.h
  /usr/local/include/isl/vec.h
  /usr/local/include/isl/version.h
  /usr/local/include/isl/vertices.h
  /usr/local/include/mpc.h
  /usr/local/include/mpf2mpfr.h
  /usr/local/include/mpfr.h
  /usr/local/lib/libgmp.10.dylib
  /usr/local/lib/libgmp.a
  /usr/local/lib/libgmp.dylib
  /usr/local/lib/libgmpxx.4.dylib
  /usr/local/lib/libgmpxx.a
  /usr/local/lib/libgmpxx.dylib
  /usr/local/lib/libisl.10.dylib
  /usr/local/lib/libisl.a
  /usr/local/lib/libisl.dylib
  /usr/local/lib/libmpc.3.dylib
  /usr/local/lib/libmpc.a
  /usr/local/lib/libmpc.dylib
  /usr/local/lib/libmpfr.4.dylib
  /usr/local/lib/libmpfr.a
  /usr/local/lib/libmpfr.dylib
  /usr/local/lib/pkgconfig/isl.pc
  /usr/local/share/doc/mpfr
  /usr/local/share/info/gmp.info
  /usr/local/share/info/gmp.info-1
  /usr/local/share/info/gmp.info-2
  /usr/local/share/info/mpc.info
  /usr/local/share/info/mpfr.info

what are all these problems?

Jun.03,2021

Homebrew is run entirely by unpaid volunteers. Please consider donating

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MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b36e38-4d6ea.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36e38-4d6ea.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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