[INFO] fetching crate scoped_allocator 0.1.4...
[INFO] testing scoped_allocator-0.1.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate scoped_allocator 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate scoped_allocator 0.1.4
[INFO] finished tweaking crates.io crate scoped_allocator 0.1.4
[INFO] tweaked toml for crates.io crate scoped_allocator 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scoped_allocator 0.1.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55a2b96782e12313b5350881e489ccb05e806d9f71f2696996d2ba70fb42452c
[INFO] running `Command { std: "docker" "start" "-a" "55a2b96782e12313b5350881e489ccb05e806d9f71f2696996d2ba70fb42452c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a2b96782e12313b5350881e489ccb05e806d9f71f2696996d2ba70fb42452c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a2b96782e12313b5350881e489ccb05e806d9f71f2696996d2ba70fb42452c", kill_on_drop: false }`
[INFO] [stdout] 55a2b96782e12313b5350881e489ccb05e806d9f71f2696996d2ba70fb42452c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e93318c16c970707e5b5c7b878abf61f6366a558f7dceb1893b0680b8f0a9ed
[INFO] running `Command { std: "docker" "start" "-a" "9e93318c16c970707e5b5c7b878abf61f6366a558f7dceb1893b0680b8f0a9ed", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling scoped_allocator v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected expression, found keyword `in`
[INFO] [stdout]    --> src/scoped.rs:178:20
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let _big = in alloc.allocate().unwrap() { [0u8; 8_000_000] };
[INFO] [stdout]     |                    ^^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::ops::Place`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::ops::Place as StdPlace;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Place` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::InPlace`, `std::ops::Placer`
[INFO] [stdout]   --> src/lib.rs:48:48
[INFO] [stdout]    |
[INFO] [stdout] 48 | use std::ops::{CoerceUnsized, Deref, DerefMut, InPlace, Placer};
[INFO] [stdout]    |                                                ^^^^^^^  ^^^^^^ no `Placer` in `ops`
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                no `InPlace` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/lib.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | use alloc::heap;
[INFO] [stdout]    |     ^^^^^^^^^^^ no `heap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::raw`
[INFO] [stdout]    --> src/lib.rs:209:18
[INFO] [stdout]     |
[INFO] [stdout] 209 |         use std::raw::TraitObject;
[INFO] [stdout]     |                  ^^^ could not find `raw` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::intrinsics::drop_in_place`
[INFO] [stdout]    --> src/lib.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |         use std::intrinsics::drop_in_place;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `drop_in_place` in `intrinsics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::intrinsics::drop_in_place`
[INFO] [stdout]    --> src/lib.rs:288:13
[INFO] [stdout]     |
[INFO] [stdout] 288 |         use std::intrinsics::drop_in_place;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `drop_in_place` in `intrinsics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | / #![feature(
[INFO] [stdout] 31 | |     alloc,
[INFO] [stdout] 32 | |     coerce_unsized,
[INFO] [stdout] 33 | |     core_intrinsics,
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     unsize
[INFO] [stdout] 39 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     core_intrinsics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     alloc,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `placement_new_protocol`
[INFO] [stdout]   --> src/lib.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     placement_new_protocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `placement_in_syntax`
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     placement_in_syntax,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `raw`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     raw,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `heap_api`
[INFO] [stdout]   --> src/lib.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     heap_api,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:206:38
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl<'a, A: Allocator> Allocated<'a, Any, A> {
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 206 | impl<'a, A: Allocator> Allocated<'a, dyn Any, A> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:208:80
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn downcast<T: Any>(self) -> Result<Allocated<'a, T, A>, Allocated<'a, Any, A>> {
[INFO] [stdout]     |                                                                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn downcast<T: Any>(self) -> Result<Allocated<'a, T, A>, Allocated<'a, dyn Any, A>> {
[INFO] [stdout]     |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]    --> src/lib.rs:266:37
[INFO] [stdout]     |
[INFO] [stdout] 266 |     unsafe fn finalize(mut self) -> Self::Owner {
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if there were a trait named `Example` with associated type `Owner` implemented for `Place<'a, T, A>`, you could use the fully-qualified path
[INFO] [stdout]     |
[INFO] [stdout] 266 -     unsafe fn finalize(mut self) -> Self::Owner {
[INFO] [stdout] 266 +     unsafe fn finalize(mut self) -> <Place<'a, T, A> as Example>::Owner {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0432, E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scoped_allocator` (lib) due to 13 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9e93318c16c970707e5b5c7b878abf61f6366a558f7dceb1893b0680b8f0a9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e93318c16c970707e5b5c7b878abf61f6366a558f7dceb1893b0680b8f0a9ed", kill_on_drop: false }`
[INFO] [stdout] 9e93318c16c970707e5b5c7b878abf61f6366a558f7dceb1893b0680b8f0a9ed
