[INFO] fetching crate nexum 0.2.0... [INFO] testing nexum-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate nexum 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate nexum 0.2.0 [INFO] finished tweaking crates.io crate nexum 0.2.0 [INFO] tweaked toml for crates.io crate nexum 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nexum 0.2.0 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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 460264a7b2e93a1e5e32001538c343471c00a191fa090965d0b75b919070289f [INFO] running `Command { std: "docker" "start" "-a" "460264a7b2e93a1e5e32001538c343471c00a191fa090965d0b75b919070289f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "460264a7b2e93a1e5e32001538c343471c00a191fa090965d0b75b919070289f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "460264a7b2e93a1e5e32001538c343471c00a191fa090965d0b75b919070289f", kill_on_drop: false }` [INFO] [stdout] 460264a7b2e93a1e5e32001538c343471c00a191fa090965d0b75b919070289f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 28ea618d1c2df36c378499096b96fb7f54298ccebec6cdd608859efff73529c1 [INFO] running `Command { std: "docker" "start" "-a" "28ea618d1c2df36c378499096b96fb7f54298ccebec6cdd608859efff73529c1", kill_on_drop: false }` [INFO] [stderr] Compiling nexum v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list/iterator.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn iter(&self) -> LinkedListIterator { [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] 73 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list/iterator.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut { [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] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "28ea618d1c2df36c378499096b96fb7f54298ccebec6cdd608859efff73529c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28ea618d1c2df36c378499096b96fb7f54298ccebec6cdd608859efff73529c1", kill_on_drop: false }` [INFO] [stdout] 28ea618d1c2df36c378499096b96fb7f54298ccebec6cdd608859efff73529c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a2d36392380bdb57f76d2285dde0e68999260dd617acb64eb3c29167cb1f7612 [INFO] running `Command { std: "docker" "start" "-a" "a2d36392380bdb57f76d2285dde0e68999260dd617acb64eb3c29167cb1f7612", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list/iterator.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn iter(&self) -> LinkedListIterator { [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] 73 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nexum v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list/iterator.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut { [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] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list/iterator.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn iter(&self) -> LinkedListIterator { [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] 73 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/linked_list/iterator.rs:77:21 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut { [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] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.32s [INFO] running `Command { std: "docker" "inspect" "a2d36392380bdb57f76d2285dde0e68999260dd617acb64eb3c29167cb1f7612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2d36392380bdb57f76d2285dde0e68999260dd617acb64eb3c29167cb1f7612", kill_on_drop: false }` [INFO] [stdout] a2d36392380bdb57f76d2285dde0e68999260dd617acb64eb3c29167cb1f7612 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e1d38fbf05bf6610af94f9ecc9680bc0df62c16046fc81ff7d5ddc2288442465 [INFO] running `Command { std: "docker" "start" "-a" "e1d38fbf05bf6610af94f9ecc9680bc0df62c16046fc81ff7d5ddc2288442465", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/linked_list/iterator.rs:73:17 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn iter(&self) -> LinkedListIterator { [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] 73 | pub fn iter(&self) -> LinkedListIterator<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/linked_list/iterator.rs:77:21 [INFO] [stderr] | [INFO] [stderr] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut { [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] 77 | pub fn iter_mut(&mut self) -> LinkedListIteratorMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `nexum` (lib) generated 2 warnings (run `cargo fix --lib -p nexum` to apply 2 suggestions) [INFO] [stderr] warning: `nexum` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nexum-acdacdfa7311b10a) [INFO] [stderr] Running tests/auto_expand_vector_test.rs (/opt/rustwide/target/debug/deps/auto_expand_vector_test-2b1d22c190614cef) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::push_nulls ... ok [INFO] [stdout] test tests::push ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/hash_table_test.rs (/opt/rustwide/target/debug/deps/hash_table_test-45ac1409edcb35bb) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::insert ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::default ... ok [INFO] [stdout] test tests::set ... ok [INFO] [stdout] test tests::with_capacity ... ok [INFO] [stderr] Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-2e19df03d06ac869) [INFO] [stdout] test tests::index_panic - should panic ... ok [INFO] [stdout] test tests::index_mut_panic - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test linked_list_tests::creation_methods::tests::from ... ok [INFO] [stdout] test linked_list_tests::creation_methods::tests::new ... ok [INFO] [stdout] test linked_list_tests::creation_methods::tests::default ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_back ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::clear ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_back_should_clear_list ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::remove ... ok [INFO] [stdout] test linked_list_tests::insertion_methods::tests::insert ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_back_should_left_one_item ... ok [INFO] [stdout] test linked_list_tests::iteration_methods::tests::iter ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_front ... ok [INFO] [stdout] test linked_list_tests::insertion_methods::tests::push_front ... ok [INFO] [stdout] test linked_list_tests::iteration_methods::tests::iter_after_pop ... ok [INFO] [stdout] test linked_list_tests::iteration_methods::tests::iter_after_push ... ok [INFO] [stdout] test linked_list_tests::insertion_methods::tests::push_back ... ok [INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_front_should_clear_list ... ok [INFO] [stderr] Running tests/priority_queue_test.rs (/opt/rustwide/target/debug/deps/priority_queue_test-41b1733fd5d0caaf) [INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_front_should_left_one_item ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test tests::test_clear ... ok [INFO] [stdout] test tests::test_ensure_capacity ... ok [INFO] [stdout] test tests::test_enqueue_range ... ok [INFO] [stdout] test tests::test_trim_to_length ... ok [INFO] [stdout] test tests::test_with_capacity ... ok [INFO] [stdout] test tests::test_new ... ok [INFO] [stdout] test tests::test_enqueue_dequeue ... ok [INFO] [stdout] test tests::test_peek ... ok [INFO] [stdout] test tests::test_enqueue_dequeue_with_priority ... ok [INFO] [stderr] Doc-tests nexum [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e1d38fbf05bf6610af94f9ecc9680bc0df62c16046fc81ff7d5ddc2288442465", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1d38fbf05bf6610af94f9ecc9680bc0df62c16046fc81ff7d5ddc2288442465", kill_on_drop: false }` [INFO] [stdout] e1d38fbf05bf6610af94f9ecc9680bc0df62c16046fc81ff7d5ddc2288442465