Auto merge of #4196 - gilescope:multiline_assert, r=alexcrichton
Auto merge of #4196 - gilescope:multiline_assert, r=alexcrichton

Multiline assert

Found a second location where multiline assert_eq failure breaks a test.
This is an extention of #4181.

rustyhorde/cargo,tsurai/cargo,rustyhorde/cargo,rust-lang/cargo,rust-lang/cargo,tshepang/cargo,eminence/cargo,nipunn1313/cargo,rust-lang/cargo,vojtechkral/cargo,tshepang/cargo,vojtechkral/cargo,rustyhorde/cargo,achanda/cargo,tshepang/cargo,vojtechkral/cargo,nipunn1313/cargo,tsurai/cargo,rust-lang/cargo,durka/cargo,eminence/cargo,durka/cargo,rustyhorde/cargo,durka/cargo,tsurai/cargo,eminence/cargo,achanda/cargo,durka/cargo,nipunn1313/cargo,eminence/cargo,vojtechkral/cargo,tsurai/cargo,nipunn1313/cargo,tsurai/cargo,achanda/cargo,achanda/cargo,tshepang/cargo