Build results for nightly-2025-05-06 target avr-none std

Preparing a sysroot for Miri (target: avr-none)...
    Checking core v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2025-05-06-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
   Compiling compiler_builtins v0.1.157
warning: struct `AlignedStorage` is never constructed
   --> /var/lib/does-it-build/.rustup/toolchains/nightly-2025-05-06-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/sort/stable/mod.rs:149:8
    |
149 | struct AlignedStorage<T, const N: usize> {
    |        ^^^^^^^^^^^^^^
    |
    = note: `#[warn(dead_code)]` on by default

warning: associated items `new` and `as_uninit_slice_mut` are never used
   --> /var/lib/does-it-build/.rustup/toolchains/nightly-2025-05-06-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/sort/stable/mod.rs:155:8
    |
154 | impl<T, const N: usize> AlignedStorage<T, N> {
    | -------------------------------------------- associated items in this implementation
155 |     fn new() -> Self {
    |        ^^^
...
159 |     fn as_uninit_slice_mut(&mut self) -> &mut [MaybeUninit<T>] {
    |        ^^^^^^^^^^^^^^^^^^^

warning: function `quicksort` is never used
  --> /var/lib/does-it-build/.rustup/toolchains/nightly-2025-05-06-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/slice/sort/unstable/quicksort.rs:21:15
   |
21 | pub(crate) fn quicksort<'a, T, F>(
   |               ^^^^^^^^^

warning: `core` (lib) generated 3 warnings
    Checking rustc-std-workspace-core v1.99.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2025-05-06-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-core)
error[E0432]: unresolved import `core::sync::atomic::AtomicU32`
 --> /var/lib/does-it-build/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/compiler_builtins-0.1.157/src/math/libm_math/support/feature_detect.rs:3:26
  |
3 | use core::sync::atomic::{AtomicU32, Ordering};
  |                          ^^^^^^^^^
  |                          |
  |                          no `AtomicU32` in `sync::atomic`
  |                          help: a similar name exists in the module: `AtomicU8`

For more information about this error, try `rustc --explain E0432`.
error: could not compile `compiler_builtins` (lib) due to 1 previous error
fatal error: failed to build sysroot: sysroot build failed

    

Build history for target avr-none

Build state for nightly 2025-05-06