[INFO] fetching crate r-collections 0.1.0...
[INFO] testing r-collections-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate r-collections 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate r-collections 0.1.0
[INFO] finished tweaking crates.io crate r-collections 0.1.0
[INFO] tweaked toml for crates.io crate r-collections 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r-collections 0.1.0 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] 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8226e142eb472a3b923e4360c0c40f14e36cc5830e1b2c33f05475bd974ba12e
[INFO] running `Command { std: "docker" "start" "-a" "8226e142eb472a3b923e4360c0c40f14e36cc5830e1b2c33f05475bd974ba12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8226e142eb472a3b923e4360c0c40f14e36cc5830e1b2c33f05475bd974ba12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8226e142eb472a3b923e4360c0c40f14e36cc5830e1b2c33f05475bd974ba12e", kill_on_drop: false }`
[INFO] [stdout] 8226e142eb472a3b923e4360c0c40f14e36cc5830e1b2c33f05475bd974ba12e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 19bf63f7113864c68d0cdfb233e34887f2929a3ddfedcf53e1ecf4d2df77a7ae
[INFO] running `Command { std: "docker" "start" "-a" "19bf63f7113864c68d0cdfb233e34887f2929a3ddfedcf53e1ecf4d2df77a7ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list/linked_list.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     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] 17 |     pub fn iter(&self) -> LinkedListIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "19bf63f7113864c68d0cdfb233e34887f2929a3ddfedcf53e1ecf4d2df77a7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19bf63f7113864c68d0cdfb233e34887f2929a3ddfedcf53e1ecf4d2df77a7ae", kill_on_drop: false }`
[INFO] [stdout] 19bf63f7113864c68d0cdfb233e34887f2929a3ddfedcf53e1ecf4d2df77a7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9984cdbb2bc00eee70c726f169da3eec893cd62b55372c08fb127c81ba57175e
[INFO] running `Command { std: "docker" "start" "-a" "9984cdbb2bc00eee70c726f169da3eec893cd62b55372c08fb127c81ba57175e", kill_on_drop: false }`
[INFO] [stderr]    Compiling r-collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/list/linked_list.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     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] 17 |     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/list/linked_list.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     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] 17 |     pub fn iter(&self) -> LinkedListIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9984cdbb2bc00eee70c726f169da3eec893cd62b55372c08fb127c81ba57175e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9984cdbb2bc00eee70c726f169da3eec893cd62b55372c08fb127c81ba57175e", kill_on_drop: false }`
[INFO] [stdout] 9984cdbb2bc00eee70c726f169da3eec893cd62b55372c08fb127c81ba57175e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3ea4c868e42c6c5277eb996a3bc04985f85493c40c2208e705818fceb2ca160e
[INFO] running `Command { std: "docker" "start" "-a" "3ea4c868e42c6c5277eb996a3bc04985f85493c40c2208e705818fceb2ca160e", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/list/linked_list.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     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] 17 |     pub fn iter(&self) -> LinkedListIterator<'_, T> {
[INFO] [stderr]    |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: `r-collections` (lib) generated 1 warning (run `cargo fix --lib -p r-collections` to apply 1 suggestion)
[INFO] [stderr] warning: `r-collections` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r_collections-4331fca4897671cd)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test list::linked_list::linked_list_tests::append_test ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::contains_if_not_contains ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::contains_if_contains ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::create_from_vectro_test ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::get_test_if_index_too_big ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::get_test_if_list_does_not_empty_and_index_is_ok ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::create_list ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::get_test_if_list_is_empty ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::insert_test ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::create_from_other_list ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::insert_more_data ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::iterator_test_with_filter ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::remove_if_list_not_empty_and_index_is_ok ... ok
[INFO] [stdout] test list::queue::queue_tests::create_new_queue ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::remove_if_list_is_empty ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::remove_if_index_too_big ... ok
[INFO] [stdout] test list::queue::queue_tests::dequeue_test ... ok
[INFO] [stdout] test list::queue::queue_tests::dequeue_test_if_queue_is_empty ... ok
[INFO] [stdout] test list::queue::queue_tests::insert_test_with_many_items ... ok
[INFO] [stdout] test list::queue::queue_tests::queue_contains_test_if_item_contained ... ok
[INFO] [stdout] test list::queue::queue_tests::queue_contains_test_if_item_does_not_contained ... ok
[INFO] [stdout] test list::stack::stack_tests::create_stack ... ok
[INFO] [stdout] test list::stack::stack_tests::pop_if_stack_is_not_empty ... ok
[INFO] [stdout] test list::stack::stack_tests::test_insert ... ok
[INFO] [stdout] test list::stack::stack_tests::pop_test_if_stack_is_empty ... ok
[INFO] [stdout] test nodes::node::node_tests::set_next_test ... ok
[INFO] [stdout] test nodes::node::node_tests::get_data_test ... ok
[INFO] [stdout] test nodes::node::node_tests::create_node ... ok
[INFO] [stdout] test list::queue::queue_tests::insert_test_if_queue_is_empty ... ok
[INFO] [stderr]    Doc-tests r_collections
[INFO] [stdout] test list::linked_list::linked_list_tests::iterator_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 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" "3ea4c868e42c6c5277eb996a3bc04985f85493c40c2208e705818fceb2ca160e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea4c868e42c6c5277eb996a3bc04985f85493c40c2208e705818fceb2ca160e", kill_on_drop: false }`
[INFO] [stdout] 3ea4c868e42c6c5277eb996a3bc04985f85493c40c2208e705818fceb2ca160e
