diff --git a/spec/clim/compile_time_error_spec/compile_time_error_spec.cr b/spec/clim/compile_time_error_spec/compile_time_error_spec.cr
index ad08c260..dc36aa93 100644
--- a/spec/clim/compile_time_error_spec/compile_time_error_spec.cr
+++ b/spec/clim/compile_time_error_spec/compile_time_error_spec.cr
@@ -3,91 +3,109 @@ require "./../../spec_helper"
 describe "Compile time spec, " do
   it "Bool with 'required true'." do
     `crystal run spec/clim/compile_time_error_spec/files/bool_with_required_true.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/bool_with_required_true.cr:6: You can not specify 'required: true' for Bool option.
+    Showing last frame. Use --error-trace for full trace.
 
-        option "-b", type: Bool, desc: "your bool.", required: true
-        ^
+    In spec/clim/compile_time_error_spec/files/bool_with_required_true.cr:6:5
 
+     6 | option \"-b\", type: Bool, desc: \"your bool.\", required: true
+         ^
+    Error: You can not specify 'required: true' for Bool option.
 
     ERROR
   end
   it "duplicate 'main_command'." do
     `crystal run spec/clim/compile_time_error_spec/files/duplicate_main_command.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/duplicate_main_command.cr:9: Main command is already defined.
+    Showing last frame. Use --error-trace for full trace.
 
-      main_command do
-      ^~~~~~~~~~~~
+    In spec/clim/compile_time_error_spec/files/duplicate_main_command.cr:9:3
 
+     9 | main_command do
+         ^-----------
+    Error: Main command is already defined.
 
     ERROR
   end
   it "duplicate 'sub_command'." do
     `crystal run spec/clim/compile_time_error_spec/files/duplicate_sub_command.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/duplicate_sub_command.cr:12: Command "sub_command" is already defined.
+    Showing last frame. Use --error-trace for full trace.
 
-        command "sub_command" do
-        ^~~~~~~
+    In spec/clim/compile_time_error_spec/files/duplicate_sub_command.cr:12:5
 
+     12 | command \"sub_command\" do
+          ^------
+    Error: Command \"sub_command\" is already defined.
 
     ERROR
   end
   it "duplicate 'main_command' in sub command." do
     `crystal run spec/clim/compile_time_error_spec/files/duplicate_main_command_in_sub_command.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/duplicate_main_command_in_sub_command.cr:7: Can not be declared 'main_command' or 'main' as sub command.
+    Showing last frame. Use --error-trace for full trace.
 
-        main_command do
-        ^~~~~~~~~~~~
+    In spec/clim/compile_time_error_spec/files/duplicate_main_command_in_sub_command.cr:7:5
 
+     7 | main_command do
+         ^-----------
+    Error: Can not be declared 'main_command' or 'main' as sub command.
 
     ERROR
   end
   it "'main_command' is not defined." do
     `crystal run spec/clim/compile_time_error_spec/files/main_command_is_not_defined.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/main_command_is_not_defined.cr:4: undefined local variable or method 'sub_command' for MyCli.class
+    Showing last frame. Use --error-trace for full trace.
 
-      sub_command do
-      ^~~~~~~~~~~
+    In spec/clim/compile_time_error_spec/files/main_command_is_not_defined.cr:4:3
 
+     4 | sub_command do
+         ^----------
+    Error: undefined local variable or method 'sub_command' for MyCli.class
 
     ERROR
   end
   it "'main_command' with alias name." do
     `crystal run spec/clim/compile_time_error_spec/files/main_command_with_alias_name.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/main_command_with_alias_name.cr:5: 'alias_name' is not supported on main command.
+    Showing last frame. Use --error-trace for full trace.
 
-        alias_name "main2"
-        ^~~~~~~~~~
+    In spec/clim/compile_time_error_spec/files/main_command_with_alias_name.cr:5:5
 
+     5 | alias_name \"main2\"
+         ^---------
+    Error: 'alias_name' is not supported on main command.
 
     ERROR
   end
   it "not supported type." do
     `crystal run spec/clim/compile_time_error_spec/files/not_supported_type.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/not_supported_type.cr:6: Type [BigInt] is not supported on option.
+    Showing last frame. Use --error-trace for full trace.
 
-        option "-n", type: BigInt, desc: "my big int.", default: 0
-        ^
+    In spec/clim/compile_time_error_spec/files/not_supported_type.cr:6:5
 
+     6 | option \"-n\", type: BigInt, desc: \"my big int.\", default: 0
+         ^
+    Error: Type [BigInt] is not supported on option.
 
     ERROR
   end
   it "empty option name." do
     `crystal run spec/clim/compile_time_error_spec/files/empty_option_name.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/empty_option_name.cr:6: Empty option name.
+    Showing last frame. Use --error-trace for full trace.
 
-        option "", type: String, desc: "empty option name."
-        ^
+    In spec/clim/compile_time_error_spec/files/empty_option_name.cr:6:5
 
+     6 | option \"\", type: String, desc: \"empty option name.\"
+         ^
+    Error: Empty option name.
 
     ERROR
   end
   it "help_template in sub_command." do
     `crystal run spec/clim/compile_time_error_spec/files/sub_command_with_help_template.cr --no-color 2>&1`.should eq <<-ERROR
-    Error in spec/clim/compile_time_error_spec/files/sub_command_with_help_template.cr:8: Can not be declared 'help_template' as sub command.
+    Showing last frame. Use --error-trace for full trace.
 
-          help_template do |desc, usage, options, sub_commands|
-          ^~~~~~~~~~~~~
+    In spec/clim/compile_time_error_spec/files/sub_command_with_help_template.cr:8:7
 
+     8 | help_template do |desc, usage, options, sub_commands|
+         ^------------
+    Error: Can not be declared 'help_template' as sub command.
 
     ERROR
   end