[INFO] fetching crate nexum 0.2.0...
[INFO] testing nexum-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nexum 0.2.0 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nexum 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7772604f5647f557120e82ef9bff310f138af545743bd86e7d20667953a6845
[INFO] running `Command { std: "docker" "start" "-a" "f7772604f5647f557120e82ef9bff310f138af545743bd86e7d20667953a6845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7772604f5647f557120e82ef9bff310f138af545743bd86e7d20667953a6845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7772604f5647f557120e82ef9bff310f138af545743bd86e7d20667953a6845", kill_on_drop: false }`
[INFO] [stdout] f7772604f5647f557120e82ef9bff310f138af545743bd86e7d20667953a6845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d59f5762c22ecf0e1ccedf5742596e569fd1136c804424ba176e52155a96af96
[INFO] running `Command { std: "docker" "start" "-a" "d59f5762c22ecf0e1ccedf5742596e569fd1136c804424ba176e52155a96af96", 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<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] 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<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] 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 0.29s
[INFO] running `Command { std: "docker" "inspect" "d59f5762c22ecf0e1ccedf5742596e569fd1136c804424ba176e52155a96af96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59f5762c22ecf0e1ccedf5742596e569fd1136c804424ba176e52155a96af96", kill_on_drop: false }`
[INFO] [stdout] d59f5762c22ecf0e1ccedf5742596e569fd1136c804424ba176e52155a96af96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20d0938a171d1ca12de9921238a1cfe555cfa68bfbe960292829d22f13ab1ff
[INFO] running `Command { std: "docker" "start" "-a" "d20d0938a171d1ca12de9921238a1cfe555cfa68bfbe960292829d22f13ab1ff", 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<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] 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<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] 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<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] 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<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] 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 0.74s
[INFO] running `Command { std: "docker" "inspect" "d20d0938a171d1ca12de9921238a1cfe555cfa68bfbe960292829d22f13ab1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20d0938a171d1ca12de9921238a1cfe555cfa68bfbe960292829d22f13ab1ff", kill_on_drop: false }`
[INFO] [stdout] d20d0938a171d1ca12de9921238a1cfe555cfa68bfbe960292829d22f13ab1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60e3eea923fe3d754e9bb498ba9cfcec323d59980c5e45fb84bbb27126dee710
[INFO] running `Command { std: "docker" "start" "-a" "60e3eea923fe3d754e9bb498ba9cfcec323d59980c5e45fb84bbb27126dee710", 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<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] 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<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] 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 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nexum-f7f5c66de40f36d3)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/auto_expand_vector_test.rs (/opt/rustwide/target/debug/deps/auto_expand_vector_test-c34a19d33a1efa93)
[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-0a25d19066b222a3)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::set ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::new ... ok
[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 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-6bcb36946f544442)
[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::delete_methods::tests::pop_back ... 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::pop_front ... ok
[INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_back_should_left_one_item ... ok
[INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_front_should_clear_list ... ok
[INFO] [stdout] test linked_list_tests::creation_methods::tests::default ... ok
[INFO] [stdout] test linked_list_tests::delete_methods::tests::clear ... ok
[INFO] [stdout] test linked_list_tests::delete_methods::tests::pop_front_should_left_one_item ... 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::insertion_methods::tests::push_back ... ok
[INFO] [stdout] test linked_list_tests::insertion_methods::tests::push_front ... ok
[INFO] [stdout] test linked_list_tests::iteration_methods::tests::iter ... 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] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/priority_queue_test.rs (/opt/rustwide/target/debug/deps/priority_queue_test-5962874f48db10cc)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_clear ... ok
[INFO] [stdout] test tests::test_enqueue_dequeue_with_priority ... ok
[INFO] [stdout] test tests::test_enqueue_dequeue ... ok
[INFO] [stdout] test tests::test_enqueue_range ... ok
[INFO] [stdout] test tests::test_ensure_capacity ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_peek ... ok
[INFO] [stdout] test tests::test_trim_to_length ... ok
[INFO] [stdout] test tests::test_with_capacity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nexum
[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" "60e3eea923fe3d754e9bb498ba9cfcec323d59980c5e45fb84bbb27126dee710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e3eea923fe3d754e9bb498ba9cfcec323d59980c5e45fb84bbb27126dee710", kill_on_drop: false }`
[INFO] [stdout] 60e3eea923fe3d754e9bb498ba9cfcec323d59980c5e45fb84bbb27126dee710
