[INFO] fetching crate slabigator 0.9.5...
[INFO] testing slabigator-0.9.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate slabigator 0.9.5 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate slabigator 0.9.5
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate slabigator 0.9.5
[INFO] tweaked toml for crates.io crate slabigator 0.9.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slabigator 0.9.5 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] crate crates.io crate slabigator 0.9.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8ef5a89b304191dd7c2846130cb5fd1f62734e4e3c5f28159208cf2e728814b1
[INFO] running `Command { std: "docker" "start" "-a" "8ef5a89b304191dd7c2846130cb5fd1f62734e4e3c5f28159208cf2e728814b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ef5a89b304191dd7c2846130cb5fd1f62734e4e3c5f28159208cf2e728814b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef5a89b304191dd7c2846130cb5fd1f62734e4e3c5f28159208cf2e728814b1", kill_on_drop: false }`
[INFO] [stdout] 8ef5a89b304191dd7c2846130cb5fd1f62734e4e3c5f28159208cf2e728814b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f0eeebb53a242a4b64675318c339fd4cb9295fc769a55a3489865d840bf1643c
[INFO] running `Command { std: "docker" "start" "-a" "f0eeebb53a242a4b64675318c339fd4cb9295fc769a55a3489865d840bf1643c", kill_on_drop: false }`
[INFO] [stderr]    Compiling slabigator v0.9.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:813:17
[INFO] [stdout]     |
[INFO] [stdout] 813 |     pub fn iter(&self) -> SlabIterator<D> {
[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] 813 |     pub fn iter(&self) -> SlabIterator<'_, D> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f0eeebb53a242a4b64675318c339fd4cb9295fc769a55a3489865d840bf1643c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0eeebb53a242a4b64675318c339fd4cb9295fc769a55a3489865d840bf1643c", kill_on_drop: false }`
[INFO] [stdout] f0eeebb53a242a4b64675318c339fd4cb9295fc769a55a3489865d840bf1643c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c91ed4d96260c0e4b5ff103c51697e18f5620235de22f382290df2e9fc3214e8
[INFO] running `Command { std: "docker" "start" "-a" "c91ed4d96260c0e4b5ff103c51697e18f5620235de22f382290df2e9fc3214e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:813:17
[INFO] [stdout]     |
[INFO] [stdout] 813 |     pub fn iter(&self) -> SlabIterator<D> {
[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] 813 |     pub fn iter(&self) -> SlabIterator<'_, D> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling slabigator v0.9.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:813:17
[INFO] [stdout]     |
[INFO] [stdout] 813 |     pub fn iter(&self) -> SlabIterator<D> {
[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] 813 |     pub fn iter(&self) -> SlabIterator<'_, D> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.95s
[INFO] running `Command { std: "docker" "inspect" "c91ed4d96260c0e4b5ff103c51697e18f5620235de22f382290df2e9fc3214e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91ed4d96260c0e4b5ff103c51697e18f5620235de22f382290df2e9fc3214e8", kill_on_drop: false }`
[INFO] [stdout] c91ed4d96260c0e4b5ff103c51697e18f5620235de22f382290df2e9fc3214e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 387b7c10c8e2b65c624dad42b528f3c5ae4f88cd9bb318ec0a0cab64ac3df4c5
[INFO] running `Command { std: "docker" "start" "-a" "387b7c10c8e2b65c624dad42b528f3c5ae4f88cd9bb318ec0a0cab64ac3df4c5", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:813:17
[INFO] [stderr]     |
[INFO] [stderr] 813 |     pub fn iter(&self) -> SlabIterator<D> {
[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] 813 |     pub fn iter(&self) -> SlabIterator<'_, D> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `slabigator` (lib) generated 1 warning (run `cargo fix --lib -p slabigator` to apply 1 suggestion)
[INFO] [stderr] warning: `slabigator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slabigator-02e9c7487ff876de)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test ... ok
[INFO] [stdout] test test_clear ... ok
[INFO] [stdout] test test_default ... ok
[INFO] [stdout] test test_from_iterator ... ok
[INFO] [stdout] test test_extend ... ok
[INFO] [stderr]      Running tests/basic_tests.rs (/opt/rustwide/target/debug/deps/basic_tests-6e7abba63ca040fc)
[INFO] [stdout] test test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_from_iterator ... ok
[INFO] [stdout] test test_clear_operation ... ok
[INFO] [stdout] test test_extend_functionality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterator_test.rs (/opt/rustwide/target/debug/deps/iterator_test-c82a9a7e766e8028)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_correct_ordering ... 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] [stderr]      Running tests/manual_test.rs (/opt/rustwide/target/debug/deps/manual_test-1088e62c0023080c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_manual_construction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slabigator
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test src/lib.rs - Slab<D>::free (line 417) ... ok
[INFO] [stdout] test src/lib.rs - Error (line 260) ... ok
[INFO] [stdout] test src/lib.rs - Slab (line 215) ... ok
[INFO] [stdout] test src/lib.rs - (line 167) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::clear (line 877) ... ok
[INFO] [stdout] test src/lib.rs - Slab (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::default (line 928) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::capacity (line 382) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::from_iter (line 1019) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::contains_slot (line 835) ... ok
[INFO] [stdout] test src/lib.rs - (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::iter (line 798) ... ok
[INFO] [stdout] test src/lib.rs - (line 178) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::extend (line 1086) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::is_empty (line 436) ... ok
[INFO] [stdout] test src/lib.rs - (line 123) ... ok
[INFO] [stdout] test src/lib.rs - Slab (line 197) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::get_mut (line 525) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::len (line 398) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::get (line 484) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::with_capacity (line 332) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::is_full (line 455) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::pop_back (line 735) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::push_front (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Slab<D>::remove (line 646) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "387b7c10c8e2b65c624dad42b528f3c5ae4f88cd9bb318ec0a0cab64ac3df4c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387b7c10c8e2b65c624dad42b528f3c5ae4f88cd9bb318ec0a0cab64ac3df4c5", kill_on_drop: false }`
[INFO] [stdout] 387b7c10c8e2b65c624dad42b528f3c5ae4f88cd9bb318ec0a0cab64ac3df4c5
