[INFO] fetching crate buddy-allocator 0.3.1...
[INFO] checking buddy-allocator-0.3.1 against try#d1d7143153307f561233bd4d93e2a3b24157b081 for pr-151539-1
[INFO] extracting crate buddy-allocator 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate buddy-allocator 0.3.1
[INFO] finished tweaking crates.io crate buddy-allocator 0.3.1
[INFO] tweaked toml for crates.io crate buddy-allocator 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buddy-allocator 0.3.1 on toolchain d1d7143153307f561233bd4d93e2a3b24157b081
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "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" "+d1d7143153307f561233bd4d93e2a3b24157b081" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c
[INFO] running `Command { std: "docker" "start" "250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c" "/opt/rustwide/cargo-home/bin/cargo" "+d1d7143153307f561233bd4d93e2a3b24157b081" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking alloc-wg v0.9.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/lib.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const_fn,
[INFO] [stdout]    |     ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     const_raw_ptr_to_usize_cast,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.55.0; see <https://github.com/rust-lang/rust/pull/87020> for more information
[INFO] [stdout]    = note: at compile-time, pointers do not have an integer value, so these casts cannot be properly supported
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     const_generics,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.56.0; see <https://github.com/rust-lang/rust/pull/88369> for more information
[INFO] [stdout]    = note: removed in favor of `#![feature(adt_const_params)]` and `#![feature(generic_const_exprs)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/lib.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     unsized_locals,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.89.0
[INFO] [stdout]    = note: removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::alloc::AllocErr`, `crate::alloc::AllocInit`, `crate::alloc::AllocRef`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/boxed.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |     alloc::{handle_alloc_error, AllocErr, AllocInit, AllocRef, Global, Layout},
[INFO] [stdout]    |                                 ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout]    |                                 |         |
[INFO] [stdout]    |                                 |         no `AllocInit` in `alloc`
[INFO] [stdout]    |                                 no `AllocErr` in `alloc`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 82 |     alloc::{handle_alloc_error, AllocError, AllocInit, AllocRef, Global, Layout},
[INFO] [stdout]    |                                         ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::alloc::AllocRef`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/clone.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{alloc::AllocRef, collections::TryReserveError};
[INFO] [stdout]   |             ^^^^^^^--------
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::alloc::AllocRef`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/iter.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{alloc::AllocRef, collections::TryReserveError};
[INFO] [stdout]   |             ^^^^^^^--------
[INFO] [stdout]   |                    |
[INFO] [stdout]   |                    no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::alloc::AllocErr`, `crate::alloc::AllocInit`, `crate::alloc::AllocRef`, `crate::alloc::MemoryBlock`, `crate::alloc::ReallocPlacement`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/raw_vec.rs:6:9
[INFO] [stdout]    |
[INFO] [stdout]  6 |         AllocErr,
[INFO] [stdout]    |         ^^^^^^^^ no `AllocErr` in `alloc`
[INFO] [stdout]  7 |         AllocInit::{self, Uninitialized, Zeroed},
[INFO] [stdout]    |         ^^^^^^^^^ could not find `AllocInit` in `alloc`
[INFO] [stdout]  8 |         AllocRef,
[INFO] [stdout]    |         ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout] ...
[INFO] [stdout] 11 |         MemoryBlock,
[INFO] [stdout]    |         ^^^^^^^^^^^ no `MemoryBlock` in `alloc`
[INFO] [stdout] 12 |         ReallocPlacement::{self, InPlace, MayMove},
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ could not find `ReallocPlacement` in `alloc`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout]  6 |         AllocError,
[INFO] [stdout]    |                 ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::alloc::AllocRef`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/str/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     alloc::AllocRef,
[INFO] [stdout]    |     ^^^^^^^--------
[INFO] [stdout]    |            |
[INFO] [stdout]    |            no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::alloc::AllocRef`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/string.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |     alloc::{AllocRef, Global},
[INFO] [stdout]    |             ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::alloc::AllocRef`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/string.rs:2140:9
[INFO] [stdout]      |
[INFO] [stdout] 2140 |     use crate::alloc::AllocRef;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^--------
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       no `AllocRef` in `alloc`
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this unresolved item through its public re-export instead
[INFO] [stdout]      |
[INFO] [stdout] 2140 -     use crate::alloc::AllocRef;
[INFO] [stdout] 2140 +     use crate::string::AllocRef;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::alloc::AllocRef`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/vec.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 |     alloc::{handle_alloc_error, AllocRef, Global},
[INFO] [stdout]    |                                 ^^^^^^^^ no `AllocRef` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/boxed.rs:1035:26
[INFO] [stdout]      |
[INFO] [stdout] 1035 |     [T; N]: core::array::LengthAtMost32,
[INFO] [stdout]      |                          ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/vec.rs:2635:81
[INFO] [stdout]      |
[INFO] [stdout] 2635 | __impl_slice_eq1! { [A, const N: usize] Vec<T, A>, [U; N], [U; N]: core::array::LengthAtMost32, A: AllocRef }
[INFO] [stdout]      |                                                                                 ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LengthAtMost32` in module `core::array`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/vec.rs:2636:82
[INFO] [stdout]      |
[INFO] [stdout] 2636 | __impl_slice_eq1! { [A, const N: usize] Vec<T, A>, &[U; N], [U; N]: core::array::LengthAtMost32, A: AllocRef }
[INFO] [stdout]      |                                                                                  ^^^^^^^^^^^^^^ not found in `core::array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `lossy` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/string.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |     str::{self, lossy, Chars, FromStr, Utf8Error},
[INFO] [stdout]    |                 ^^^^^ private module
[INFO] [stdout]    |
[INFO] [stdout] note: the module `lossy` is defined here
[INFO] [stdout]   --> /rustc/d1d7143153307f561233bd4d93e2a3b24157b081/library/core/src/str/mod.rs:26:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_generic_impls_guard`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     const_generic_impls_guard,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `receiver_trait`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     receiver_trait,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `receiver_try_iter`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     receiver_trait,
[INFO] [stdout] 33 +     receiver_try_iter,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `arbitrary_self_types`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alloc-wg-0.9.0/src/boxed.rs:1146:30
[INFO] [stdout]      |
[INFO] [stdout] 1146 | impl<T: ?Sized, A: AllocRef> core::ops::Receiver for Box<T, A> {}
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]      = help: add `#![feature(arbitrary_self_types)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-06-21; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0557, E0603, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alloc-wg` (lib) due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c", kill_on_drop: false }`
[INFO] [stdout] 250dc226310ae0c3951443f159bfbfcfffb2ecbffd729ffb89f38787adea156c
