[INFO] fetching crate pui-arena 0.5.1...
[INFO] testing pui-arena-0.5.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pui-arena 0.5.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate pui-arena 0.5.1
[INFO] finished tweaking crates.io crate pui-arena 0.5.1
[INFO] tweaked toml for crates.io crate pui-arena 0.5.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pui-arena 0.5.1 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[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] f6fdf70c6fb2bbb44d118e2facb6d93eb842ea16ed986f8049789d6a0f6d0762
[INFO] running `Command { std: "docker" "start" "-a" "f6fdf70c6fb2bbb44d118e2facb6d93eb842ea16ed986f8049789d6a0f6d0762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6fdf70c6fb2bbb44d118e2facb6d93eb842ea16ed986f8049789d6a0f6d0762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fdf70c6fb2bbb44d118e2facb6d93eb842ea16ed986f8049789d6a0f6d0762", kill_on_drop: false }`
[INFO] [stdout] f6fdf70c6fb2bbb44d118e2facb6d93eb842ea16ed986f8049789d6a0f6d0762
[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] f663421dbdaccb046982bb198f669fd3ff9a6c04c7cf5dcf818016a0cf64609a
[INFO] running `Command { std: "docker" "start" "-a" "f663421dbdaccb046982bb198f669fd3ff9a6c04c7cf5dcf818016a0cf64609a", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling pui-core v0.5.2
[INFO] [stderr]    Compiling pui-vec v0.5.1
[INFO] [stderr]    Compiling pui-arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stdout]    --> src/base/hop/imp.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:479:68
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:525:74
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:535:85
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/dense.rs:639:36
[INFO] [stdout]     |
[INFO] [stdout] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/sparse.rs:527:36
[INFO] [stdout]     |
[INFO] [stdout] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "f663421dbdaccb046982bb198f669fd3ff9a6c04c7cf5dcf818016a0cf64609a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f663421dbdaccb046982bb198f669fd3ff9a6c04c7cf5dcf818016a0cf64609a", kill_on_drop: false }`
[INFO] [stdout] f663421dbdaccb046982bb198f669fd3ff9a6c04c7cf5dcf818016a0cf64609a
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a34a9226d407f801a622ad7e3c96aeafceb149d1042f38e65a5cc3c0c25556a
[INFO] running `Command { std: "docker" "start" "-a" "5a34a9226d407f801a622ad7e3c96aeafceb149d1042f38e65a5cc3c0c25556a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stdout]    --> src/base/hop/imp.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:479:68
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:525:74
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:535:85
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/dense.rs:639:36
[INFO] [stdout]     |
[INFO] [stdout] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/sparse.rs:527:36
[INFO] [stdout]     |
[INFO] [stdout] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling pui-arena v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stdout]    --> src/base/hop/imp.rs:101:23
[INFO] [stdout]     |
[INFO] [stdout] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stdout]     |                       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:479:68
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stdout] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:525:74
[INFO] [stdout]     |
[INFO] [stdout] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stdout] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base/dense.rs:535:85
[INFO] [stdout]     |
[INFO] [stdout] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                          |
[INFO] [stdout]     |                                                          the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stdout] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/dense.rs:639:36
[INFO] [stdout]     |
[INFO] [stdout] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/base/sparse.rs:527:36
[INFO] [stdout]     |
[INFO] [stdout] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  argument has type `usize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.77s
[INFO] running `Command { std: "docker" "inspect" "5a34a9226d407f801a622ad7e3c96aeafceb149d1042f38e65a5cc3c0c25556a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a34a9226d407f801a622ad7e3c96aeafceb149d1042f38e65a5cc3c0c25556a", kill_on_drop: false }`
[INFO] [stdout] 5a34a9226d407f801a622ad7e3c96aeafceb149d1042f38e65a5cc3c0c25556a
[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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d1711547a4bfde787a2cef1717c1a19ecb3727e245770b0dea201e0dd6c00b6
[INFO] running `Command { std: "docker" "start" "-a" "2d1711547a4bfde787a2cef1717c1a19ecb3727e245770b0dea201e0dd6c00b6", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `UB_DEBUG`
[INFO] [stderr]    --> src/base/hop/imp.rs:101:23
[INFO] [stderr]     |
[INFO] [stderr] 101 |             #[cfg(all(UB_DEBUG, not(miri)))]
[INFO] [stderr]     |                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(UB_DEBUG)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(UB_DEBUG)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/base/dense.rs:479:68
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stderr]     |                                                   --               ^^ the same lifetime is elided here
[INFO] [stderr]     |                                                   |
[INFO] [stderr]     |                                                   the lifetime is named 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 479 -     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'_, I, V, K> {
[INFO] [stderr] 479 +     pub fn keys<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Keys<'a, I, V, K> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/base/dense.rs:525:74
[INFO] [stderr]     |
[INFO] [stderr] 525 |     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stderr]     |                                                      --                  ^^ the same lifetime is elided here
[INFO] [stderr]     |                                                      |
[INFO] [stderr]     |                                                      the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 525 -     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'_, T, I, V, K> {
[INFO] [stderr] 525 +     pub fn entries<'a, K: 'a + BuildArenaKey<I, V>>(&'a self) -> Entries<'a, T, I, V, K> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/base/dense.rs:535:85
[INFO] [stderr]     |
[INFO] [stderr] 535 |     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stderr]     |                                                          --                         ^^ the same lifetime is elided here
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 535 -     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'_, T, I, V, K> {
[INFO] [stderr] 535 +     pub fn entries_mut<'a, K: 'a + BuildArenaKey<I, V>>(&'a mut self) -> EntriesMut<'a, T, I, V, K> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/base/dense.rs:639:36
[INFO] [stderr]     |
[INFO] [stderr] 639 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stderr]     |                                                  |
[INFO] [stderr]     |                                                  argument has type `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stderr]    --> src/base/sparse.rs:527:36
[INFO] [stderr]     |
[INFO] [stderr] 527 |         iter.for_each(move |value| drop::<usize>(self.vacant_entry().insert(value)));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^---------------------------------^
[INFO] [stderr]     |                                                  |
[INFO] [stderr]     |                                                  argument has type `usize`
[INFO] [stderr]     |
[INFO] [stderr]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stderr] 
[INFO] [stderr] warning: `pui-arena` (lib) generated 6 warnings (run `cargo fix --lib -p pui-arena` to apply 3 suggestions)
[INFO] [stderr] warning: `pui-arena` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pui_arena-6849d75b5ef43814)
[INFO] [stdout] 
[INFO] [stdout] running 72 tests
[INFO] [stdout] test base::dense::test::basic_retain ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_insert_only ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_keys_insert_only ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_with_removal ... ok
[INFO] [stdout] test base::dense::test::into_iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_keys_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_keys_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_keys_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_mut_with_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::dense::test::zero_sized ... ok
[INFO] [stdout] test base::dense::test::basic ... ok
[INFO] [stdout] test base::dense::test::iter_values_insert_only ... ok
[INFO] [stdout] test base::dense::test::iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::basic ... ok
[INFO] [stdout] test base::dense::test::iter_values_with_removal ... ok
[INFO] [stdout] test base::hop::test::basic_retain ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_with_removal ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_keys_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_keys_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_keys_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::iter_values_insert_only ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_keys_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_keys_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_with_reinsertion ... ok
[INFO] [stdout] test base::hop::test::iter_values_mut_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::iter_values_with_removal ... ok
[INFO] [stdout] test base::sparse::test::basic ... ok
[INFO] [stdout] test base::sparse::test::basic_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::basic_retain ... ok
[INFO] [stdout] test base::hop::test::zero_sized ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_with_removal ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::into_iter_values_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::sparse::test::iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::sparse::test::iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_values_mut_with_removal ... ok
[INFO] [stdout] test base::sparse::test::zero_sized ... ok
[INFO] [stdout] test base::sparse::test::iter_values_with_removal ... ok
[INFO] [stdout] test base::hop::test::basic_reinsertion ... ok
[INFO] [stdout] test base::dense::test::iter_keys_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_rev_insert_only ... ok
[INFO] [stdout] test base::hop::test::into_iter_values_rev_with_removal ... ok
[INFO] [stdout] test base::hop::test::iter_values_with_reinsertion ... ok
[INFO] [stdout] test base::sparse::test::iter_keys_rev_with_removal ... ok
[INFO] [stdout] test base::dense::test::basic_reinsertion ... ok
[INFO] [stderr]      Running tests/hop.rs (/opt/rustwide/target/debug/deps/hop-23c341d852541337)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sparse.rs (/opt/rustwide/target/debug/deps/sparse-353b5f77b13c2a01)
[INFO] [stdout] test result: ok. 72 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test hop_version_exhaustion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests pui_arena
[INFO] [stdout] test sparse_version_exhaustion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 146) ... ignored
[INFO] [stdout] test src/lib.rs - (line 132) ... FAILED
[INFO] [stdout] test src/version.rs - version::Version (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 132) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: could not find `MyCustomArena` in the crate root
[INFO] [stdout]  --> src/lib.rs:137:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     struct MyCustomArena;
[INFO] [stdout]   |            ^^^^^^^^^^^^^ could not find `MyCustomArena` in the crate root
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MyCustomArena` in module `super`
[INFO] [stdout]  --> src/lib.rs:137:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     struct MyCustomArena;
[INFO] [stdout]   |            ^^^^^^^^^^^^^ not found in `super`
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Key` in module `key`
[INFO] [stdout]    --> src/lib.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / pui_arena::newtype! {
[INFO] [stdout]   8 | |     struct MyCustomArena;
[INFO] [stdout]   9 | | }
[INFO] [stdout]     | |_^ help: a struct with a similar name exists: `Keys`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/base/sparse.rs:637:1
[INFO] [stdout]     |
[INFO] [stdout] 637 |   pub struct Keys<'a, T, I, V: Version, K> {
[INFO] [stdout]     |   ---------------------------------------- similarly named struct `Keys` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this struct:
[INFO] [stdout]             pui_arena::Key
[INFO] [stdout]     = note: this error originates in the macro `$crate::__newtype` which comes from the expansion of the macro `pui_arena::newtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Key` in module `key`
[INFO] [stdout]    --> src/lib.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / pui_arena::newtype! {
[INFO] [stdout]   8 | |     struct MyCustomArena;
[INFO] [stdout]   9 | | }
[INFO] [stdout]     | |_^ help: a struct with a similar name exists: `Keys`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/base/hop.rs:445:1
[INFO] [stdout]     |
[INFO] [stdout] 445 |   pub struct Keys<'a, T, I, V: Version, K> {
[INFO] [stdout]     |   ---------------------------------------- similarly named struct `Keys` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this struct:
[INFO] [stdout]             pui_arena::Key
[INFO] [stdout]     = note: this error originates in the macro `$crate::__newtype` which comes from the expansion of the macro `pui_arena::newtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Key` in module `key`
[INFO] [stdout]    --> src/lib.rs:136:1
[INFO] [stdout]     |
[INFO] [stdout]   7 | / pui_arena::newtype! {
[INFO] [stdout]   8 | |     struct MyCustomArena;
[INFO] [stdout]   9 | | }
[INFO] [stdout]     | |_^ help: a struct with a similar name exists: `Keys`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/base/sparse.rs:637:1
[INFO] [stdout]     |
[INFO] [stdout] 637 |   pub struct Keys<'a, T, I, V: Version, K> {
[INFO] [stdout]     |   ---------------------------------------- similarly named struct `Keys` defined here
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing this struct:
[INFO] [stdout]             pui_arena::Key
[INFO] [stdout]     = note: this error originates in the macro `$crate::__newtype` which comes from the expansion of the macro `pui_arena::newtype` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `_doctest_main_src_lib_rs_132_0::sparse::Arena<_>`
[INFO] [stdout]   --> src/lib.rs:140:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | let my_sparse_arena = sparse::Arena::new();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^   -------------------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving `my_sparse_arena` an explicit type, where the type for type parameter `T` is specified
[INFO] [stdout]    |
[INFO] [stdout] 11 | let my_sparse_arena: _doctest_main_src_lib_rs_132_0::sparse::Arena<T> = sparse::Arena::new();
[INFO] [stdout]    |                    ++++++++++++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0412, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 132)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2d1711547a4bfde787a2cef1717c1a19ecb3727e245770b0dea201e0dd6c00b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1711547a4bfde787a2cef1717c1a19ecb3727e245770b0dea201e0dd6c00b6", kill_on_drop: false }`
[INFO] [stdout] 2d1711547a4bfde787a2cef1717c1a19ecb3727e245770b0dea201e0dd6c00b6
