[INFO] fetching crate rutie 0.9.0...
[INFO] checking rutie-0.9.0 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate rutie 0.9.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rutie 0.9.0
[INFO] finished tweaking crates.io crate rutie 0.9.0
[INFO] tweaked toml for crates.io crate rutie 0.9.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rutie 0.9.0 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rutie 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4
[INFO] running `Command { std: "docker" "start" "c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling rutie v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `darwin`
[INFO] [stdout]    --> src/class/integer.rs:238:11
[INFO] [stdout]     |
[INFO] [stdout] 238 |     #[cfg(target_os = "darwin")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_os` are: `aix`, `amdhsa`, `android`, `cuda`, `cygwin`, `dragonfly`, `emscripten`, `espidf`, `freebsd`, `fuchsia`, `haiku`, `helenos`, `hermit`, `horizon`, `hurd`, `illumos`, `ios`, `l4re`, `linux`, `lynxos178`, `macos`, `managarm`, `motor`, `netbsd`, `none`, `nto`, `nuttx`, `openbsd`, `psp`, `psx`, `qurt`, `redox`, `rtems`, `solaris`, and `solid_asp3` and 14 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/class/traits/object.rs:207:74
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &T {
[INFO] [stdout]     |                         --                 -- the lifetime is named here ^^ the same lifetime is elided here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &'a T {
[INFO] [stdout]     |                                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/class/traits/object.rs:212:82
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn get_data_mut<'a, T>(&'a mut self, wrapper: &'a dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]     |                             --                     -- the lifetime is named here ^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn get_data_mut<'a, T>(&'a mut self, wrapper: &'a dyn DataTypeWrapper<T>) -> &'a mut T {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> src/rubysys/array.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let rarray: *const RArray = mem::transmute(value.value);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 90 -     let rarray: *const RArray = mem::transmute(value.value);
[INFO] [stdout] 90 +     let rarray: *const RArray = std::ptr::with_exposed_provenance::<RArray>(value.value);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/encoding.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let basic: *mut RBasic = mem::transmute(obj.value);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 103 -     let basic: *mut RBasic = mem::transmute(obj.value);
[INFO] [stdout] 103 +     let basic: *mut RBasic = std::ptr::with_exposed_provenance_mut::<RBasic>(obj.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/string.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let rstring: *const RString = mem::transmute(value.value);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 117 -     let rstring: *const RString = mem::transmute(value.value);
[INFO] [stdout] 117 +     let rstring: *const RString = std::ptr::with_exposed_provenance::<rubysys::string::RString>(value.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/value.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 171 -             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout] 171 +             let basic: *const RBasic = std::ptr::with_exposed_provenance::<RBasic>(self.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/value.rs:178:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 178 -             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout] 178 +             let basic: *const RBasic = std::ptr::with_exposed_provenance::<RBasic>(self.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/class/traits/object.rs:207:74
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &T {
[INFO] [stdout]     |                         --                 -- the lifetime is named here ^^ the same lifetime is elided here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn get_data<'a, T>(&'a self, wrapper: &'a dyn DataTypeWrapper<T>) -> &'a T {
[INFO] [stdout]     |                                                                           ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/class/traits/object.rs:212:82
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn get_data_mut<'a, T>(&'a mut self, wrapper: &'a dyn DataTypeWrapper<T>) -> &mut T {
[INFO] [stdout]     |                             --                     -- the lifetime is named here ^^^^^^ the same lifetime is elided here
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn get_data_mut<'a, T>(&'a mut self, wrapper: &'a dyn DataTypeWrapper<T>) -> &'a mut T {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]   --> src/rubysys/array.rs:90:33
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let rarray: *const RArray = mem::transmute(value.value);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]    = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]    = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]    = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]    = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]    = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]    |
[INFO] [stdout] 90 -     let rarray: *const RArray = mem::transmute(value.value);
[INFO] [stdout] 90 +     let rarray: *const RArray = std::ptr::with_exposed_provenance::<RArray>(value.value);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/encoding.rs:103:30
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let basic: *mut RBasic = mem::transmute(obj.value);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 103 -     let basic: *mut RBasic = mem::transmute(obj.value);
[INFO] [stdout] 103 +     let basic: *mut RBasic = std::ptr::with_exposed_provenance_mut::<RBasic>(obj.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/string.rs:117:35
[INFO] [stdout]     |
[INFO] [stdout] 117 |     let rstring: *const RString = mem::transmute(value.value);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 117 -     let rstring: *const RString = mem::transmute(value.value);
[INFO] [stdout] 117 +     let rstring: *const RString = std::ptr::with_exposed_provenance::<rubysys::string::RString>(value.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/value.rs:171:40
[INFO] [stdout]     |
[INFO] [stdout] 171 |             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 171 -             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout] 171 +             let basic: *const RBasic = std::ptr::with_exposed_provenance::<RBasic>(self.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/rubysys/value.rs:178:40
[INFO] [stdout]     |
[INFO] [stdout] 178 |             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 178 -             let basic: *const RBasic = mem::transmute(self.value);
[INFO] [stdout] 178 +             let basic: *const RBasic = std::ptr::with_exposed_provenance::<RBasic>(self.value);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4", kill_on_drop: false }`
[INFO] [stdout] c580020fd60bcc65dc5fc27066b62ad6f7f7e8f6147c52fa159494e147f6fdd4
