[INFO] fetching crate obj-pool 0.5.1...
[INFO] testing obj-pool-0.5.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate obj-pool 0.5.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate obj-pool 0.5.1
[INFO] finished tweaking crates.io crate obj-pool 0.5.1
[INFO] tweaked toml for crates.io crate obj-pool 0.5.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate obj-pool 0.5.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df67fc2afaa13645bc30968dc9885fa1c75edfd1638d576a7e31eadcf930aa07
[INFO] running `Command { std: "docker" "start" "-a" "df67fc2afaa13645bc30968dc9885fa1c75edfd1638d576a7e31eadcf930aa07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df67fc2afaa13645bc30968dc9885fa1c75edfd1638d576a7e31eadcf930aa07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df67fc2afaa13645bc30968dc9885fa1c75edfd1638d576a7e31eadcf930aa07", kill_on_drop: false }`
[INFO] [stdout] df67fc2afaa13645bc30968dc9885fa1c75edfd1638d576a7e31eadcf930aa07
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dd4845d44a126fa9f74bf3baa6bd6d5377b502809d153433c1250720af8065c
[INFO] running `Command { std: "docker" "start" "-a" "1dd4845d44a126fa9f74bf3baa6bd6d5377b502809d153433c1250720af8065c", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling obj-pool v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:616:17
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn iter(&self) -> Iter<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] 616 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |     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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 644 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "1dd4845d44a126fa9f74bf3baa6bd6d5377b502809d153433c1250720af8065c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd4845d44a126fa9f74bf3baa6bd6d5377b502809d153433c1250720af8065c", kill_on_drop: false }`
[INFO] [stdout] 1dd4845d44a126fa9f74bf3baa6bd6d5377b502809d153433c1250720af8065c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad64a51b38163bfc89c91ae7269371fa7a7fe3c3e8c3072cf0fc8bca9e11a553
[INFO] running `Command { std: "docker" "start" "-a" "ad64a51b38163bfc89c91ae7269371fa7a7fe3c3e8c3072cf0fc8bca9e11a553", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:616:17
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn iter(&self) -> Iter<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] 616 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |     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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 644 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling obj-pool v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:616:17
[INFO] [stdout]     |
[INFO] [stdout] 616 |     pub fn iter(&self) -> Iter<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] 616 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |     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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 644 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/par.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "ad64a51b38163bfc89c91ae7269371fa7a7fe3c3e8c3072cf0fc8bca9e11a553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad64a51b38163bfc89c91ae7269371fa7a7fe3c3e8c3072cf0fc8bca9e11a553", kill_on_drop: false }`
[INFO] [stdout] ad64a51b38163bfc89c91ae7269371fa7a7fe3c3e8c3072cf0fc8bca9e11a553
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fc407b6cf48b78a48bf445834fbf2800523ff5d2e88b3930f716cfe631528cb
[INFO] running `Command { std: "docker" "start" "-a" "6fc407b6cf48b78a48bf445834fbf2800523ff5d2e88b3930f716cfe631528cb", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:616:17
[INFO] [stderr]     |
[INFO] [stderr] 616 |     pub fn iter(&self) -> Iter<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] 616 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:644:21
[INFO] [stderr]     |
[INFO] [stderr] 644 |     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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 644 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/par.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stderr]    |                                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/par.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn try_get(&self, obj_id: ObjId) -> Option<MappedRwLockReadGuard<'_, T>> {
[INFO] [stderr]    |                                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/par.rs:56:20
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stderr]    |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/par.rs:64:24
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<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] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn try_get_mut(&self, obj_id: ObjId) -> Option<MappedRwLockWriteGuard<'_, T>> {
[INFO] [stderr]    |                                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `obj-pool` (lib) generated 6 warnings (run `cargo fix --lib -p obj-pool` to apply 6 suggestions)
[INFO] [stderr] warning: `obj-pool` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/obj_pool-83a03ed2c8d61922)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test par::tests::test ... ok
[INFO] [stdout] test tests::from_iter ... ok
[INFO] [stdout] test tests::get ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::indexing ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::iter_mut ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::reserve ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::reserve_exact ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::invalid_indexing - should panic ... ok
[INFO] [stdout] test tests::indexing_vacant - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests obj_pool
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/lib.rs - ObjPool (line 117) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::iter (line 602) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::new (line 184) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::get_unchecked (line 474) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::is_empty (line 283) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::next_vacant (line 302) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::reserve (line 556) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::remove (line 362) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::shrink_to_fit (line 657) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool (line 139) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::get_unchecked_mut (line 498) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::capacity (line 248) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::clear (line 396) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::swap (line 525) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::iter_mut (line 626) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::insert (line 328) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::len (line 263) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::get (line 421) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::get_mut (line 446) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::with_capacity (line 217) ... ok
[INFO] [stdout] test src/lib.rs - ObjPool<T>::reserve_exact (line 582) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fc407b6cf48b78a48bf445834fbf2800523ff5d2e88b3930f716cfe631528cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc407b6cf48b78a48bf445834fbf2800523ff5d2e88b3930f716cfe631528cb", kill_on_drop: false }`
[INFO] [stdout] 6fc407b6cf48b78a48bf445834fbf2800523ff5d2e88b3930f716cfe631528cb
