[INFO] cloning repository https://github.com/HugoPhi/myrustlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HugoPhi/myrustlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugoPhi%2Fmyrustlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugoPhi%2Fmyrustlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f68cf52cafc1d0b10ae2f753e8a59ba24fd48bcf
[INFO] testing HugoPhi/myrustlib against 1.97.0-beta.6 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugoPhi%2Fmyrustlib" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HugoPhi/myrustlib
[INFO] finished tweaking git repo https://github.com/HugoPhi/myrustlib
[INFO] tweaked toml for git repo https://github.com/HugoPhi/myrustlib written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HugoPhi/myrustlib on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HugoPhi/myrustlib 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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.135
[INFO] [stderr]   Downloaded web-sys v0.3.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb
[INFO] running `Command { std: "docker" "start" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", 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" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", 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" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling hym v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/box_linked_list.rs:653:17
[INFO] [stdout]     |
[INFO] [stdout] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/box_linked_list.rs:684:21
[INFO] [stdout]     |
[INFO] [stdout] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/nonull_linked_list.rs:586:17
[INFO] [stdout]     |
[INFO] [stdout] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/nonull_linked_list.rs:607:21
[INFO] [stdout]     |
[INFO] [stdout] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", 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" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/box_linked_list.rs:653:17
[INFO] [stdout]     |
[INFO] [stdout] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/box_linked_list.rs:684:21
[INFO] [stdout]     |
[INFO] [stdout] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/nonull_linked_list.rs:586:17
[INFO] [stdout]     |
[INFO] [stdout] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/nonull_linked_list.rs:607:21
[INFO] [stdout]     |
[INFO] [stdout] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling hym v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/box_linked_list.rs:653:17
[INFO] [stdout]     |
[INFO] [stdout] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/box_linked_list.rs:684:21
[INFO] [stdout]     |
[INFO] [stdout] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/nonull_linked_list.rs:586:17
[INFO] [stdout]     |
[INFO] [stdout] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linear/nonull_linked_list.rs:607:21
[INFO] [stdout]     |
[INFO] [stdout] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.74s
[INFO] running `Command { std: "docker" "inspect" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", 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" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linear/box_linked_list.rs:653:17
[INFO] [stderr]     |
[INFO] [stderr] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 653 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linear/box_linked_list.rs:684:21
[INFO] [stderr]     |
[INFO] [stderr] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 684 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linear/nonull_linked_list.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<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] 586 |     pub fn iter(&self) -> LinkedListBorrowIterator<'_, T> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/linear/nonull_linked_list.rs:607:21
[INFO] [stderr]     |
[INFO] [stderr] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<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] 607 |     pub fn iter_mut(&mut self) -> LinkedListBorrowMutIterator<'_, T> {
[INFO] [stderr]     |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `hym` (lib) generated 4 warnings (run `cargo fix --lib -p hym` to apply 4 suggestions)
[INFO] [stderr] warning: `hym` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hym-a8abd9d0b9361cc5)
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test linear::box_linked_list::tests::test_clean ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_get ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_clone ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_insert ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_into_iter ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_is_empty ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_iter ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_display ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_insert_remove_multiple ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_iter_mut ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_from_iter ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_ix2val ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_push_back ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_remove ... ok
[INFO] [stdout] test linear::box_linked_list::tests::test_val2ix ... ok
[INFO] [stdout] test linear::nonull_linked_list::tests::test_clone ... ok
[INFO] [stdout] test linear::nonull_linked_list::tests::test_display ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/hym-a8abd9d0b9361cc5` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb", kill_on_drop: false }`
[INFO] [stdout] b6f6e9be629e7300946794fdf9a6d9447bf20388849f3ccef3736413c6cccfdb
