error: consider implementing `TryFrom` instead
 --> $DIR/fallible_impl_from.rs:5:1
  |
5 | / impl From<String> for Foo {
6 | |     fn from(s: String) -> Self {
7 | |         Foo(s.parse().unwrap())
8 | |     }
9 | | }
  | |_^
  |
note: lint level defined here
 --> $DIR/fallible_impl_from.rs:1:9
  |
1 | #![deny(fallible_impl_from)]
  |         ^^^^^^^^^^^^^^^^^^
  = help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
 --> $DIR/fallible_impl_from.rs:7:13
  |
7 |         Foo(s.parse().unwrap())
  |             ^^^^^^^^^^^^^^^^^^

error: consider implementing `TryFrom` instead
  --> $DIR/fallible_impl_from.rs:28:1
   |
28 | / impl From<usize> for Invalid {
29 | |     fn from(i: usize) -> Invalid {
30 | |         if i != 42 {
31 | |             panic!();
...  |
34 | |     }
35 | | }
   | |_^
   |
   = help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
  --> $DIR/fallible_impl_from.rs:31:13
   |
31 |             panic!();
   |             ^^^^^^^^^
   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)

error: consider implementing `TryFrom` instead
  --> $DIR/fallible_impl_from.rs:37:1
   |
37 | / impl From<Option<String>> for Invalid {
38 | |     fn from(s: Option<String>) -> Invalid {
39 | |         let s = s.unwrap();
40 | |         if !s.is_empty() {
...  |
46 | |     }
47 | | }
   | |_^
   |
   = help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
  --> $DIR/fallible_impl_from.rs:39:17
   |
39 |         let s = s.unwrap();
   |                 ^^^^^^^^^^
40 |         if !s.is_empty() {
41 |             panic!(42);
   |             ^^^^^^^^^^^
42 |         } else if s.parse::<u32>().unwrap() != 42 {
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
43 |             panic!("{:?}", s);
   |             ^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)

error: consider implementing `TryFrom` instead
  --> $DIR/fallible_impl_from.rs:55:1
   |
55 | / impl<'a> From<&'a mut <Box<u32> as ProjStrTrait>::ProjString> for Invalid {
56 | |     fn from(s: &'a mut <Box<u32> as ProjStrTrait>::ProjString) -> Invalid {
57 | |         if s.parse::<u32>().ok().unwrap() != 42 {
58 | |             panic!("{:?}", s);
...  |
61 | |     }
62 | | }
   | |_^
   |
   = help: `From` is intended for infallible conversions only. Use `TryFrom` if there's a possibility for the conversion to fail.
note: potential failure(s)
  --> $DIR/fallible_impl_from.rs:57:12
   |
57 |         if s.parse::<u32>().ok().unwrap() != 42 {
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
58 |             panic!("{:?}", s);
   |             ^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)

error: aborting due to 4 previous errors