[INFO] cloning repository https://github.com/fuji-184/Falloc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fuji-184/Falloc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuji-184%2FFalloc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuji-184%2FFalloc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6c4af208fa1eca7ac1aa8cf27ff0776a30569d2
[INFO] fixing fuji-184/Falloc against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuji-184%2FFalloc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fuji-184/Falloc
[INFO] finished tweaking git repo https://github.com/fuji-184/Falloc
[INFO] tweaked toml for git repo https://github.com/fuji-184/Falloc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fuji-184/Falloc on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fuji-184/Falloc 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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] 1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98
[INFO] running `Command { std: "docker" "start" "1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98", 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" "1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]     Checking falloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/heap_pool/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use static_pool::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ the name `Block` in the type namespace is first re-exported here
[INFO] [stdout] 5 | pub use static_multi_pool::*;
[INFO] [stdout]   |         -------------------- but the name `Block` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     unsafe fn deallocate(&self, _ptr: std::ptr::NonNull<u8>, _layout: std::alloc::Layout) { }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | unsafe impl<const N: usize> std::alloc::Allocator for StackArena<N> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:26:87
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 .ok_or(std::alloc::AllocError)?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |             return Err(std::alloc::AllocError);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     unsafe fn deallocate(&self, ptr: std::ptr::NonNull<u8>, _layout: std::alloc::Layout) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | unsafe impl std::alloc::Allocator for StaticPoolAllocator {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:63:87
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             return Err(std::alloc::AllocError);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Err(std::alloc::AllocError)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_multi_pool.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     unsafe fn deallocate(&self, ptr: std::ptr::NonNull<u8>, layout: std::alloc::Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_multi_pool.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 | unsafe impl<const N: usize> std::alloc::Allocator for StaticMultiPoolAlloc<N> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_multi_pool.rs:91:87
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let i = index.ok_or(std::alloc::AllocError)?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         Err(std::alloc::AllocError)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let i = index.ok_or(std::alloc::AllocError).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/heap_pool/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use static_pool::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^ the name `Block` in the type namespace is first re-exported here
[INFO] [stdout] 5 | pub use static_multi_pool::*;
[INFO] [stdout]   |         -------------------- but the name `Block` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     unsafe fn deallocate(&self, _ptr: std::ptr::NonNull<u8>, _layout: std::alloc::Layout) { }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | unsafe impl<const N: usize> std::alloc::Allocator for StackArena<N> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:26:87
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |                 .ok_or(std::alloc::AllocError)?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/stack_arena.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |             return Err(std::alloc::AllocError);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     unsafe fn deallocate(&self, ptr: std::ptr::NonNull<u8>, _layout: std::alloc::Layout) {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 | unsafe impl std::alloc::Allocator for StaticPoolAllocator {
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:63:87
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |             return Err(std::alloc::AllocError);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_pool.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         Err(std::alloc::AllocError)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_multi_pool.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     unsafe fn deallocate(&self, ptr: std::ptr::NonNull<u8>, layout: std::alloc::Layout) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_multi_pool.rs:89:29
[INFO] [stdout]    |
[INFO] [stdout] 89 | unsafe impl<const N: usize> std::alloc::Allocator for StaticMultiPoolAlloc<N> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]   --> src/heap_pool/static_multi_pool.rs:91:87
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn allocate(&self, layout: std::alloc::Layout) -> Result<std::ptr::NonNull<[u8]>, std::alloc::AllocError> {
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]    = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:100:29
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let i = index.ok_or(std::alloc::AllocError)?;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |         Err(std::alloc::AllocError)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `allocator_api`
[INFO] [stdout]    --> src/heap_pool/static_multi_pool.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let i = index.ok_or(std::alloc::AllocError).unwrap();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #32838 <https://github.com/rust-lang/rust/issues/32838> for more information
[INFO] [stdout]     = help: add `#![feature(allocator_api)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-06-16; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `falloc` (lib) due to 19 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `falloc` (lib test) due to 19 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98", kill_on_drop: false }`
[INFO] [stdout] 1d98fd7e620d0d98bbe674ec770c8fcd6b575a6b7ca578a5efe1adf1c3cb9b98
