error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:21:14
   |
LL |     string().as_ptr();
   |     -------- ^^^^^^ this pointer will immediately be invalid
   |     |
   |     this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
note: the lint level is defined here
  --> $DIR/temporaries.rs:2:9
   |
LL | #![deny(dangling_pointers_from_temporaries)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:25:25
   |
LL |     "hello".to_string().as_ptr();
   |     ------------------- ^^^^^^ this pointer will immediately be invalid
   |     |
   |     this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:32:26
   |
LL |     (string() + "hello").as_ptr();
   |     -------------------- ^^^^^^ this pointer will immediately be invalid
   |     |
   |     this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:68:61
   |
LL |         (if true { String::new() } else { "hello".into() }).as_ptr();
   |         --------------------------------------------------- ^^^^^^ this pointer will immediately be invalid
   |         |
   |         this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:77:10
   |
LL | /         (loop {
LL | |             break String::new();
LL | |         })
   | |__________- this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
LL |           .as_ptr();
   |            ^^^^^^ this pointer will immediately be invalid
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:86:10
   |
LL | /         match string() {
LL | |             s => s,
LL | |         }
   | |_________- this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
LL |           .as_ptr();
   |            ^^^^^^ this pointer will immediately be invalid
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: a dangling pointer will be produced because the temporary `String` will be dropped
  --> $DIR/temporaries.rs:94:18
   |
LL |     { string() }.as_ptr();
   |     ------------ ^^^^^^ this pointer will immediately be invalid
   |     |
   |     this `String` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `String` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `String` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `String` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: a dangling pointer will be produced because the temporary `Vec<u8>` will be dropped
  --> $DIR/temporaries.rs:134:15
   |
LL |     vec![0u8].as_ptr();
   |     --------- ^^^^^^ this pointer will immediately be invalid
   |     |
   |     this `Vec<u8>` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
   |
   = note: pointers do not have a lifetime; when calling `as_ptr` the `Vec<u8>` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
   = help: you must make sure that the variable you bind the `Vec<u8>` to lives at least as long as the pointer returned by the call to `as_ptr`
   = help: in particular, if this pointer is returned from the current function, binding the `Vec<u8>` inside the function will not suffice
   = help: for more information, see <https://doc.rust-lang.org/reference/destructors.html>

error: aborting due to 8 previous errors