crew: show env hash expanded when showing Kernel.system errors (#6577)

lib/const.rb

@@ -1,6 +1,6 @@
 # Defines common constants used in different parts of crew
 
-CREW_VERSION = '1.21.2'
+CREW_VERSION = '1.21.3'
 
 ARCH_ACTUAL = `uname -m`.chomp
 # This helps with virtualized builds on aarch64 machines

lib/package.rb

@@ -142,7 +142,7 @@ class Package
       exitstatus = $?.exitstatus
       # print failed line number and error message
       puts "#{e.backtrace[1]}: #{e.message}".orange
-      raise InstallError, "`#{env} #{cmd_args}` exited with #{exitstatus}"
+      raise InstallError, "`#{env.map {|k, v| "#{k}=\"#{v}\"" } .join(' ')} #{cmd_args}` exited with #{exitstatus}"
     end
   end
 end