glade 3.22.2 compilation issue with Rust 1.42.0
Relates to https://github.com/Homebrew/homebrew-core/pull/51653 Jenkins log, https://jenkins.brew.sh/job/Homebrew%20Core%20Pull%20Requests/59760/version=catalina/console
Error log
08:39:40 ==> brew install --build-from-source glade
08:41:30 ==> FAILED
08:41:30 ==> Downloading https://download.gnome.org/sources/glade/3.22/glade-3.22.2.tar.xz
08:41:30 ==> Downloading from https://mirror.umd.edu/gnome/sources/glade/3.22/glade-3.22.2.tar.xz
08:41:30 ==> ./configure --prefix=/usr/local/Cellar/glade/3.22.2 --enable-gladeui --enable-introspection
08:41:30 ==> make
08:41:30 Last 150 lines from /Users/brew/Jenkins/workspace/core/logs/glade/02.make:
08:41:30 CC libgladegtk_la-glade-gtk-progress-bar.lo
08:41:30 CC libgladegtk_la-glade-gtk-radio-button.lo
08:41:30 CC libgladegtk_la-glade-gtk-radio-menu-item.lo
08:41:30 CC libgladegtk_la-glade-gtk-recent-chooser-menu.lo
08:41:30 CC libgladegtk_la-glade-gtk-recent-chooser-widget.lo
08:41:30 CC libgladegtk_la-glade-gtk-recent-file-filter.lo
08:41:30 CC libgladegtk_la-glade-gtk-revealer.lo
08:41:30 CC libgladegtk_la-glade-gtk-scale.lo
08:41:30 CC libgladegtk_la-glade-gtk-scrollbar.lo
08:41:30 CC libgladegtk_la-glade-gtk-scrolled-window.lo
08:41:30 CC libgladegtk_la-glade-gtk-searchbar.lo
08:41:30 CC libgladegtk_la-glade-gtk-size-group.lo
08:41:30 CC libgladegtk_la-glade-gtk-spin-button.lo
08:41:30 CC libgladegtk_la-glade-gtk-stack.lo
08:41:30 CC libgladegtk_la-glade-gtk-stack-switcher.lo
08:41:30 CC libgladegtk_la-glade-gtk-switch.lo
08:41:30 CC libgladegtk_la-glade-gtk-table.lo
08:41:30 CC libgladegtk_la-glade-gtk-text-buffer.lo
08:41:30 CC libgladegtk_la-glade-gtk-text-tag-table.lo
08:41:30 CC libgladegtk_la-glade-gtk-text-view.lo
08:41:30 CC libgladegtk_la-glade-gtk-tool-button.lo
08:41:30 CC libgladegtk_la-glade-gtk-tool-item.lo
08:41:30 CC libgladegtk_la-glade-gtk-tool-item-group.lo
08:41:30 CC libgladegtk_la-glade-gtk-tool-palette.lo
08:41:30 CC libgladegtk_la-glade-gtk-toolbar.lo
08:41:30 CC libgladegtk_la-glade-gtk-tree-view.lo
08:41:30 CC libgladegtk_la-glade-gtk-viewport.lo
08:41:30 CC libgladegtk_la-glade-gtk-widget.lo
08:41:30 CC libgladegtk_la-glade-gtk-window.lo
08:41:30 CC libgladegtk_la-glade-gtk-header-bar.lo
08:41:30 CC libgladegtk_la-glade-header-bar-editor.lo
08:41:30 CC libgladegtk_la-glade-icon-factory-editor.lo
08:41:30 CC libgladegtk_la-glade-icon-sources.lo
08:41:30 CC libgladegtk_la-glade-icon-view-editor.lo
08:41:30 CC libgladegtk_la-glade-image-editor.lo
08:41:30 CC libgladegtk_la-glade-image-item-editor.lo
08:41:30 CC libgladegtk_la-glade-label-editor.lo
08:41:30 CC libgladegtk_la-glade-layout-editor.lo
08:41:30 CC libgladegtk_la-glade-level-bar-editor.lo
08:41:30 CC libgladegtk_la-glade-message-dialog-editor.lo
08:41:30 CC libgladegtk_la-glade-misc-editor.lo
08:41:30 CC libgladegtk_la-glade-model-button-editor.lo
08:41:30 CC libgladegtk_la-glade-model-data.lo
08:41:30 CC libgladegtk_la-glade-notebook-editor.lo
08:41:30 CC libgladegtk_la-glade-popover-editor.lo
08:41:30 CC libgladegtk_la-glade-popover-menu-editor.lo
08:41:30 CC libgladegtk_la-glade-progress-bar-editor.lo
08:41:30 CC libgladegtk_la-glade-real-tree-view-editor.lo
08:41:30 CC libgladegtk_la-glade-recent-action-editor.lo
08:41:30 CC libgladegtk_la-glade-recent-chooser-dialog-editor.lo
08:41:30 CC libgladegtk_la-glade-recent-chooser-editor.lo
08:41:30 CC libgladegtk_la-glade-recent-chooser-menu-editor.lo
08:41:30 CC libgladegtk_la-glade-recent-chooser-widget-editor.lo
08:41:30 CC libgladegtk_la-glade-scale-button-editor.lo
08:41:30 CC libgladegtk_la-glade-scale-editor.lo
08:41:30 CC libgladegtk_la-glade-scrollable-editor.lo
08:41:30 CC libgladegtk_la-glade-scrollbar-editor.lo
08:41:30 CC libgladegtk_la-glade-scrolled-window-editor.lo
08:41:30 CC libgladegtk_la-glade-spin-button-editor.lo
08:41:30 CC libgladegtk_la-glade-stack-editor.lo
08:41:30 CC libgladegtk_la-glade-stack-switcher-editor.lo
08:41:30 CC libgladegtk_la-glade-store-editor.lo
08:41:30 CC libgladegtk_la-glade-string-list.lo
08:41:30 CC libgladegtk_la-glade-eprop-enum-int.lo
08:41:30 CC libgladegtk_la-glade-text-view-editor.lo
08:41:30 CC libgladegtk_la-glade-tool-button-editor.lo
08:41:30 CC libgladegtk_la-glade-tool-item-group-editor.lo
08:41:30 CC libgladegtk_la-glade-tool-palette-editor.lo
08:41:30 CC libgladegtk_la-glade-treeview-editor.lo
08:41:30 CC libgladegtk_la-glade-viewport-editor.lo
08:41:30 CC libgladegtk_la-glade-widget-editor.lo
08:41:30 CC libgladegtk_la-glade-window-editor.lo
08:41:30 CCLD libgladegtk.la
08:41:30 Making all in gladeui
08:41:30 CC libgladeglade_la-glade-glade-editor-skeleton.lo
08:41:30 CC libgladeglade_la-glade-glade-property-shell.lo
08:41:30 CCLD libgladeglade.la
08:41:30 make[3]: Nothing to be done for `all-am'.
08:41:30 Making all in tests
08:41:30 /Applications/Xcode.app/Contents/Developer/usr/bin/make all-am
08:41:30 CC create_widgets-create-widgets.o
08:41:30 CC add_child-add-child.o
08:41:30 CC toplevel_order-toplevel-order.o
08:41:30 CC toplevel_order-toplevel-order-resources.o
08:41:30 CCLD create-widgets
08:41:30 CCLD toplevel-order
08:41:30 CCLD add-child
08:41:30 Making all in doc
08:41:30 make[2]: Nothing to be done for `all'.
08:41:30 Making all in help
08:41:30 GEN bg/bg.mo
08:41:30 GEN ca/ca.mo
08:41:30 GEN cs/cs.mo
08:41:30 GEN de/de.mo
08:41:30 GEN el/el.mo
08:41:30 GEN en_GB/en_GB.mo
08:41:30 GEN eu/eu.mo
08:41:30 GEN fr/fr.mo
08:41:30 GEN es/es.mo
08:41:30 GEN gl/gl.mo
08:41:30 GEN hi/hi.mo
08:41:30 GEN hu/hu.mo
08:41:30 GEN it/it.mo
08:41:30 GEN ja/ja.mo
08:41:30 GEN ko/ko.mo
08:41:30 GEN pl/pl.mo
08:41:30 GEN oc/oc.mo
08:41:30 GEN pt_BR/pt_BR.mo
08:41:30 GEN sv/sv.mo
08:41:30 GEN sl/sl.mo
08:41:30 GEN zh_CN/zh_CN.mo
08:41:30 GEN uk/uk.mo
08:41:30 GEN ru/ru.mo
08:41:30 GEN bg/
08:41:30 GEN ca/
08:41:30 GEN cs/
08:41:30 GEN el/
08:41:30 GEN de/
08:41:30 GEN en_GB/
08:41:30 GEN es/
08:41:30 GEN eu/
08:41:30 GEN fr/
08:41:30 GEN gl/
08:41:30 GEN hi/
08:41:30 GEN hu/
08:41:30 GEN it/
08:41:30 GEN ja/
08:41:30 GEN ko/
08:41:30 GEN oc/
08:41:30 GEN pl/
08:41:30 GEN pt_BR/
08:41:30 GEN ru/
08:41:30 GEN sl/
08:41:30 GEN sv/
08:41:30 GEN uk/
08:41:30 GEN zh_CN/
08:41:30 Making all in man
08:41:30 GEN glade.1
08:41:30 GEN glade-previewer.1
08:41:30 I/O error : Attempt to load network entity http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
08:41:30 warning: I/O error : Attempt to load network entity http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
08:41:30 warning: failed to load external entity "http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
08:41:30 failed to load external entity "http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl"
08:41:30 cannot parse http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
08:41:30 cannot parse http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
08:41:30 make[2]: *** [glade-previewer.1] Error 4
08:41:30 make[2]: *** Waiting for unfinished jobs....
08:41:30 make[2]: *** [glade.1] Error 4
08:41:30 make[1]: *** [all-recursive] Error 1
08:41:30 make: *** [all] Error 2
08:41:30