error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe`
  --> $DIR/unsafe_derive_deserialize.rs:8:10
   |
LL | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html
   = note: `-D clippy::unsafe-derive-deserialize` implied by `-D warnings`
   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)

error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe`
  --> $DIR/unsafe_derive_deserialize.rs:16:10
   |
LL | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html
   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)

error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe`
  --> $DIR/unsafe_derive_deserialize.rs:22:10
   |
LL | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html
   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)

error: you are deriving `serde::Deserialize` on a type that has methods using `unsafe`
  --> $DIR/unsafe_derive_deserialize.rs:30:10
   |
LL | #[derive(Deserialize)]
   |          ^^^^^^^^^^^
   |
   = help: consider implementing `serde::Deserialize` manually. See https://serde.rs/impl-deserialize.html
   = note: this error originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 4 previous errors