[INFO] fetching crate typed-arena 2.0.2...
[INFO] testing typed-arena-2.0.2 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate typed-arena 2.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate typed-arena 2.0.2
[INFO] finished tweaking crates.io crate typed-arena 2.0.2
[INFO] tweaked toml for crates.io crate typed-arena 2.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate typed-arena 2.0.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to highest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `typed-arena` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16
[INFO] running `Command { std: "docker" "start" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", 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" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `typed-arena` (manifest) generated 1 warning
[INFO] [stderr]    Compiling typed-arena v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:495:21
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `typed-arena` (manifest) generated 1 warning
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:495:21
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling regex v1.13.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling typed-arena v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/test.rs:14:56
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>);
[INFO] [stdout]    |        ---- field in this struct                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:495:21
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 495 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/test.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         mem::drop(node);
[INFO] [stdout]    |         ^^^^^^^^^^----^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   argument has type `&Node<'_, '_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 42 -         mem::drop(node);
[INFO] [stdout] 42 +         let _ = node;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/test.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |         assert!((*uninitialized).len() >= 2);
[INFO] [stdout]     |                 ^^-------------^^^^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   this raw pointer has type `*mut [MaybeUninit<Dropper>]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[MaybeUninit<Dropper>]`
[INFO] [stdout]    --> src/test.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 170 |         assert!((*uninitialized).len() >= 2);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 170 |         assert!((&(*uninitialized)).len() >= 2);
[INFO] [stdout]     |                 ++                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.60s
[INFO] running `Command { std: "docker" "inspect" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `typed-arena` (manifest) generated 1 warning
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:495:21
[INFO] [stderr]     |
[INFO] [stderr] 495 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |                     ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 495 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `typed-arena` (lib) generated 1 warning (run `cargo fix --lib -p typed-arena` to apply 1 suggestion)
[INFO] [stderr] warning: field `2` is never read
[INFO] [stderr]   --> src/test.rs:14:56
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>);
[INFO] [stderr]    |        ---- field in this struct                       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/test.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         mem::drop(node);
[INFO] [stderr]    |         ^^^^^^^^^^----^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   argument has type `&Node<'_, '_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 42 -         mem::drop(node);
[INFO] [stderr] 42 +         let _ = node;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]    --> src/test.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |         assert!((*uninitialized).len() >= 2);
[INFO] [stderr]     |                 ^^-------------^^^^^^^
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   this raw pointer has type `*mut [MaybeUninit<Dropper>]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&[MaybeUninit<Dropper>]`
[INFO] [stderr]    --> src/test.rs:170:17
[INFO] [stderr]     |
[INFO] [stderr] 170 |         assert!((*uninitialized).len() >= 2);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stderr] note: method calls to `len` require a reference
[INFO] [stderr]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/slice/mod.rs:116:4
[INFO] [stderr]     = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]     |
[INFO] [stderr] 170 |         assert!((&(*uninitialized)).len() >= 2);
[INFO] [stderr]     |                 ++                +
[INFO] [stderr] 
[INFO] [stderr] warning: `typed-arena` (lib test) generated 4 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/typed_arena-62ddf6e3716437a9)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test test::size_hint ... ok
[INFO] [stdout] test test::iter_mut_high_capacity ... ok
[INFO] [stdout] test test::test_alloc_extend_with_drop_counter ... ok
[INFO] [stdout] test test::test_alloc_extend ... ok
[INFO] [stdout] test test::dont_trust_the_iterator_size ... ok
[INFO] [stdout] test test::arena_as_intended ... ok
[INFO] [stdout] test test::iter_mut_low_capacity ... ok
[INFO] [stdout] test test::test_uninitialized_array ... ok
[INFO] [stdout] test test::test_alloc_uninitialized_bools ... ok
[INFO] [stdout] test test::test_zero_cap ... ok
[INFO] [stdout] test test::arena_is_send ... ok
[INFO] [stdout] test test::ensure_into_vec_maintains_order_of_allocation ... ok
[INFO] [stdout] test test::check_extend_provenance ... ok
[INFO] [stdout] test test::test_alloc_uninitialized ... ok
[INFO] [stdout] test test::alloc_uninitialized_with_panic ... ok
[INFO] [stdout] test test::size_hint_low_initial_capacities ... ok
[INFO] [stdout] test test::size_hint_high_initial_capacities ... ok
[INFO] [stdout] test test::size_hint_many_items ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests typed_arena
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 480) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc_uninitialized (line 322) ... FAILED
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 117) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc (line 179) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - Arena (line 91) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::with_capacity (line 132) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc_uninitialized (line 292) ... ok
[INFO] [stdout] test src/lib.rs - Arena<u8>::alloc_str (line 526) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc_extend (line 216) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 454) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 154) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::into_vec (line 420) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Arena<T>::alloc_uninitialized (line 322) stdout ----
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |     assert!((*uninitialized).len() >= COUNT); // Ensured by the reserve_extend
[INFO] [stdout]     |             ^^-------------^^^^^^^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this raw pointer has type `*mut [MaybeUninit<String>]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[MaybeUninit<String>]`
[INFO] [stdout]    --> src/lib.rs:341:13
[INFO] [stdout]     |
[INFO] [stdout] 341 |     assert!((*uninitialized).len() >= COUNT); // Ensured by the reserve_extend
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `len` require a reference
[INFO] [stdout]    --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/slice/mod.rs:116:4
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 341 |     assert!((&(*uninitialized)).len() >= COUNT); // Ensured by the reserve_extend
[INFO] [stdout]     |             ++                +
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:342:22
[INFO] [stdout]     |
[INFO] [stdout] 342 |     for elem in &mut (*uninitialized)[..COUNT] {
[INFO] [stdout]     |                      ^^-------------^^^^^^^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this raw pointer has type `*mut [MaybeUninit<String>]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut [MaybeUninit<String>]`
[INFO] [stdout]    --> src/lib.rs:342:22
[INFO] [stdout]     |
[INFO] [stdout] 342 |     for elem in &mut (*uninitialized)[..COUNT] {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 342 |     for elem in &mut (&mut (*uninitialized))[..COUNT] {
[INFO] [stdout]     |                      +++++                 +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Arena<T>::alloc_uninitialized (line 322)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 13 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16", kill_on_drop: false }`
[INFO] [stdout] bc9abaeb4ef1772adfa34d1684210f7ac78f140133fd57fb566cf340303a7c16
