[INFO] fetching crate const-alloc 0.1.0... [INFO] testing const-alloc-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate const-alloc 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate const-alloc 0.1.0 [INFO] finished tweaking crates.io crate const-alloc 0.1.0 [INFO] tweaked toml for crates.io crate const-alloc 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate const-alloc 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 71922a29df2fab620f332854b41a20d3370d82b7061f517d5b5e5cbc0a5a141b [INFO] running `Command { std: "docker" "start" "-a" "71922a29df2fab620f332854b41a20d3370d82b7061f517d5b5e5cbc0a5a141b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71922a29df2fab620f332854b41a20d3370d82b7061f517d5b5e5cbc0a5a141b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71922a29df2fab620f332854b41a20d3370d82b7061f517d5b5e5cbc0a5a141b", kill_on_drop: false }` [INFO] [stdout] 71922a29df2fab620f332854b41a20d3370d82b7061f517d5b5e5cbc0a5a141b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 95439327ab60089bab87c7822c3d6d86a7327afe3d2ae1c33c332c84d6c22917 [INFO] running `Command { std: "docker" "start" "-a" "95439327ab60089bab87c7822c3d6d86a7327afe3d2ae1c33c332c84d6c22917", kill_on_drop: false }` [INFO] [stderr] Compiling const-alloc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `const-alloc` (lib) due to 3 previous errors; 11 warnings emitted [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 | / #![feature( [INFO] [stdout] 17 | | allocator_api, [INFO] [stdout] 18 | | const_eval_select, [INFO] [stdout] 19 | | const_fn_trait_bound, [INFO] [stdout] ... | [INFO] [stdout] 29 | | core_intrinsics [INFO] [stdout] 30 | | )] [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | 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 `const_fn_trait_bound` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | const_fn_trait_bound, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_intrinsic_copy` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | const_intrinsic_copy, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_nonnull_new` has been stable since 1.85.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | const_nonnull_new, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_option_ext` has been stable since 1.84.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | const_option_ext, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_ptr_is_null` has been stable since 1.84.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | const_ptr_is_null, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_ptr_offset` has been stable since 1.61.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | const_ptr_offset, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_ptr_write` has been stable since 1.83.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | const_ptr_write, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `const_slice_from_raw_parts` has been stable since 1.64.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | const_slice_from_raw_parts, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: const `impl` for trait `Allocator` which is not `const` [INFO] [stdout] --> src/lib.rs:230:33 [INFO] [stdout] | [INFO] [stdout] 230 | unsafe impl const Allocator for ConstAlloc { [INFO] [stdout] | ^^^^^^^^^ this trait is not `const` [INFO] [stdout] | [INFO] [stdout] = note: marking a trait with `const` ensures all default method bodies are `const` [INFO] [stdout] = note: adding a non-const method body in the future would be a breaking change [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: `Option::::ok_or` is not yet stable as a const fn [INFO] [stdout] --> src/lib.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | NonNull::new(slice_from_raw_parts_mut(ptr, size)).ok_or(AllocError) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:95:5 [INFO] [stdout] | [INFO] [stdout] 95 | unsafe { const_eval_select((a, layout), ct, A::allocate) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:120:5 [INFO] [stdout] | [INFO] [stdout] 120 | unsafe { const_eval_select((a, layout), ct, A::allocate_zeroed) } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "95439327ab60089bab87c7822c3d6d86a7327afe3d2ae1c33c332c84d6c22917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95439327ab60089bab87c7822c3d6d86a7327afe3d2ae1c33c332c84d6c22917", kill_on_drop: false }` [INFO] [stdout] 95439327ab60089bab87c7822c3d6d86a7327afe3d2ae1c33c332c84d6c22917