The old version available by default in the GitHub Actions image fails
with:
thread 'main' panicked at 'package cache lock is not currently held, Cargo forgot to call `acquire_package_cache_lock` before we got to this stack frame', /usr/share/rust/.cargo/registry/src/github.com-1ecc6299db9ec823/cargo-0.57.0/src/cargo/util/config/mod.rs:1542:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
The previously used rustfmt commit only builds with an old version of
1.52-dev, and that one is missing trait bounds on const fn.
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> .cargo/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/mutex.rs:143:6
|
143 | impl<R: RawMutex, T> Mutex<R, T> {
| ^
= help: add `#![feature(const_fn)]` to the crate attributes to enable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> .cargo/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/remutex.rs:224:6
|
224 | impl<R: RawMutex, G: GetThreadId, T> ReentrantMutex<R, G, T> {
| ^
= help: add `#![feature(const_fn)]` to the crate attributes to enable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> .cargo/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/remutex.rs:224:19
|
224 | impl<R: RawMutex, G: GetThreadId, T> ReentrantMutex<R, G, T> {
| ^
= help: add `#![feature(const_fn)]` to the crate attributes to enable
error[E0723]: trait bounds other than `Sized` on const fn parameters are unstable
--> .cargo/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.4/src/rwlock.rs:348:6
|
348 | impl<R: RawRwLock, T> RwLock<R, T> {
| ^
= help: add `#![feature(const_fn)]` to the crate attributes to enable
The previously used rustfmt commit only builds with an early version of
1.51-dev, and that one is missing addr_of.
error[E0433]: failed to resolve: could not find `addr_of` in `ptr`
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.40/src/error.rs:606:14
|
606 | ptr::addr_of!((*unerased.as_ptr())._object) as *mut E,
| ^^^^^^^ could not find `addr_of` in `ptr`
error[E0433]: failed to resolve: could not find `addr_of` in `ptr`
--> /home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.40/src/error.rs:647:22
|
647 | ptr::addr_of!((*unerased.as_ptr())._object) as *mut E,
| ^^^^^^^ could not find `addr_of` in `ptr`
The previously pinned rustfmt commit + toolchain have no longer been
compiling as of servo/rust-smallvec#248.
error[E0658]: unions with non-`Copy` fields are unstable
--> /home/david/.cargo/registry/src/github.com-1ecc6299db9ec823/smallvec-1.6.0/src/lib.rs:353:1
|
353 | / union SmallVecData<A: Array> {
354 | | inline: core::mem::ManuallyDrop<MaybeUninit<A>>,
355 | | heap: (*mut A::Item, usize),
356 | | }
| |_^
|
= note: see issue #55149 <https://github.com/rust-lang/rust/issues/55149> for more information
= help: add `#![feature(untagged_unions)]` to the crate attributes to enable