[INFO] fetching crate r-collections 0.1.0...
[INFO] testing r-collections-0.1.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate r-collections 0.1.0 into /workspace/builds/worker-5-tc1/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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r-collections 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e
[INFO] running `Command { std: "docker" "start" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", 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 0.13s
[INFO] running `Command { std: "docker" "inspect" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r_collections-ce22d8c8b62e33a3)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test list::linked_list::linked_list_tests::create_from_vectro_test ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::contains_if_contains ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::contains_if_not_contains ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::create_list ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::create_from_other_list ... 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::insert_test ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::append_test ... 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::queue::queue_tests::insert_test_if_queue_is_empty ... ok
[INFO] [stdout] test list::queue::queue_tests::dequeue_test_if_queue_is_empty ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::iterator_test_with_filter ... ok
[INFO] [stdout] test list::stack::stack_tests::create_stack ... ok
[INFO] [stdout] test list::stack::stack_tests::pop_test_if_stack_is_empty ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::iterator_test ... ok
[INFO] [stdout] test list::queue::queue_tests::insert_test_with_many_items ... 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::get_test_if_list_is_empty ... ok
[INFO] [stdout] test list::queue::queue_tests::dequeue_test ... ok
[INFO] [stdout] test list::queue::queue_tests::queue_contains_test_if_item_does_not_contained ... 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::insert_more_data ... ok
[INFO] [stdout] test list::stack::stack_tests::pop_if_stack_is_not_empty ... ok
[INFO] [stdout] test nodes::node::node_tests::set_next_test ... ok
[INFO] [stdout] test list::queue::queue_tests::queue_contains_test_if_item_contained ... ok
[INFO] [stdout] test nodes::node::node_tests::create_node ... ok
[INFO] [stdout] test nodes::node::node_tests::get_data_test ... ok
[INFO] [stdout] test list::linked_list::linked_list_tests::remove_if_index_too_big ... ok
[INFO] [stdout] test list::stack::stack_tests::test_insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r_collections
[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" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e", kill_on_drop: false }`
[INFO] [stdout] a2f44c1fca2a7fa7e650b974497a4b498762e5955bbb461d175287b9f9ae863e
