Build results for nightly-2023-04-03 target thumbv6m-none-eabi miri-std

Preparing a sysroot for Miri (target: thumbv6m-none-eabi)...
   Compiling compiler_builtins v0.1.89
    Checking core v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
   Compiling libc v0.2.140
   Compiling cc v1.0.77
   Compiling memchr v2.5.0
   Compiling std v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std)
   Compiling unwind v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/unwind)
    Checking rustc-std-workspace-core v1.99.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-core)
    Checking alloc v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc)
    Checking cfg-if v1.0.0
    Checking adler v1.0.2
    Checking rustc-demangle v0.1.21
    Checking rustc-std-workspace-alloc v1.99.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/rustc-std-workspace-alloc)
    Checking panic_abort v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/panic_abort)
    Checking panic_unwind v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/panic_unwind)
    Checking gimli v0.26.2
    Checking std_detect v0.1.5 (/var/lib/does-it-build/.rustup/toolchains/nightly-2023-04-03-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/stdarch/crates/std_detect)
    Checking miniz_oxide v0.5.3
    Checking hashbrown v0.12.3
    Checking object v0.29.0
error[E0432]: unresolved import `alloc::sync`
 --> /var/lib/does-it-build/.cargo/registry/src/index.crates.io-6f17d22bba15001f/gimli-0.26.2/src/read/dwarf.rs:2:12
  |
2 | use alloc::sync::Arc;
  |            ^^^^ could not find `sync` in `alloc`

For more information about this error, try `rustc --explain E0432`.
error: could not compile `gimli` (lib) due to previous error
warning: build failed, waiting for other jobs to finish...
fatal error: failed to build sysroot: sysroot build failed