add line_count and max_lines to too_many_lines lint message
add line_count and max_lines to too_many_lines lint message

graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust