[INFO] fetching crate dynode 0.0.0...
[INFO] testing dynode-0.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dynode 0.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate dynode 0.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dynode 0.0.0
[INFO] tweaked toml for crates.io crate dynode 0.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dynode 0.0.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dynode 0.0.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56863e74cf00d957054aab90f26ef14f5f25594a9f859cd7eb96d41bf740cbfc
[INFO] running `Command { std: "docker" "start" "-a" "56863e74cf00d957054aab90f26ef14f5f25594a9f859cd7eb96d41bf740cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56863e74cf00d957054aab90f26ef14f5f25594a9f859cd7eb96d41bf740cbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56863e74cf00d957054aab90f26ef14f5f25594a9f859cd7eb96d41bf740cbfc", kill_on_drop: false }`
[INFO] [stdout] 56863e74cf00d957054aab90f26ef14f5f25594a9f859cd7eb96d41bf740cbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 685efdb99f6b4b0f2f69638529e24c11248ee0d2f23c9ad46001fe792a28eb0f
[INFO] running `Command { std: "docker" "start" "-a" "685efdb99f6b4b0f2f69638529e24c11248ee0d2f23c9ad46001fe792a28eb0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynode v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     ptr_metadata,
[INFO] [stdout] 3 | |     layout_for_ptr,
[INFO] [stdout] 4 | |     allocator_api,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     maybe_uninit_write_slice
[INFO] [stdout] 9 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `non_null_from_ref` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     non_null_from_ref,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/maybe_uninit.rs:519:5
[INFO] [stdout]     |
[INFO] [stdout] 519 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/maybe_uninit.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 532 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/maybe_uninit.rs:546:5
[INFO] [stdout]     |
[INFO] [stdout] 546 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/maybe_uninit.rs:559:5
[INFO] [stdout]     |
[INFO] [stdout] 559 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `copy_from_slice` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/maybe_uninit.rs:406:22
[INFO] [stdout]     |
[INFO] [stdout] 406 |         MaybeUninit::copy_from_slice(&mut dest[..len], &src[..len]);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `copy_from_slice` found for union `MaybeUninit<T>` in the current scope
[INFO] [stdout]    --> src/maybe_uninit.rs:486:22
[INFO] [stdout]     |
[INFO] [stdout] 486 |         MaybeUninit::copy_from_slice(&mut self.as_bytes_mut()[..len], &src.as_bytes()[..len]);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynode` (lib) due to 3 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "685efdb99f6b4b0f2f69638529e24c11248ee0d2f23c9ad46001fe792a28eb0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "685efdb99f6b4b0f2f69638529e24c11248ee0d2f23c9ad46001fe792a28eb0f", kill_on_drop: false }`
[INFO] [stdout] 685efdb99f6b4b0f2f69638529e24c11248ee0d2f23c9ad46001fe792a28eb0f
