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Require Drop impls to have the same constness on its bounds as the bounds on the...
[rust.git] / src / test / ui / issues / issue-81584.stderr
1 error[E0515]: cannot return value referencing function parameter `y`
2   --> $DIR/issue-81584.rs:5:22
3    |
4 LL |             .map(|y| y.iter().map(|x| x + 1))
5    |                      --------^^^^^^^^^^^^^^^
6    |                      |
7    |                      returns a value referencing data owned by the current function
8    |                      `y` is borrowed here
9    |
10    = help: use `.collect()` to allocate the iterator
11
12 error: aborting due to previous error
13
14 For more information about this error, try `rustc --explain E0515`.