[INFO] cloning repository https://github.com/yunyi1201/SkipList
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yunyi1201/SkipList" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyunyi1201%2FSkipList", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyunyi1201%2FSkipList'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d84dec3ff87b2be88562ab4381b7726418b5d4b
[INFO] fixing yunyi1201/SkipList against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyunyi1201%2FSkipList" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yunyi1201/SkipList
[INFO] finished tweaking git repo https://github.com/yunyi1201/SkipList
[INFO] tweaked toml for git repo https://github.com/yunyi1201/SkipList written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yunyi1201/SkipList on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yunyi1201/SkipList 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.9.2
[INFO] [stderr]   Downloaded bitflags v2.8.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.20
[INFO] [stderr]   Downloaded zerocopy v0.8.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74
[INFO] running `Command { std: "docker" "start" "e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74", 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" "e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74", 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=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling zerocopy v0.8.20
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking rand_core v0.9.2
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking skip_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:183:18
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn front(&self) -> Option<Entry<K, V>> {
[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] 183 |     pub fn front(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn back(&self) -> Option<Entry<K, V>> {
[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] 191 |     pub fn back(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<K, V> {
[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] 208 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/base.rs:678:28
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 let next = (*self.node).tower[0];
[INFO] [stdout]     |                            ^^---------^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this raw pointer has type `*mut Node<K, V>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Tower<K, V>`
[INFO] [stdout]    --> src/base.rs:678:28
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 let next = (*self.node).tower[0];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 let next = (&(*self.node).tower)[0];
[INFO] [stdout]     |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/base.rs:701:24
[INFO] [stdout]     |
[INFO] [stdout] 701 |             let next = (*self.node).tower[0];
[INFO] [stdout]     |                        ^^---------^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this raw pointer has type `*mut Node<K, V>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Tower<K, V>`
[INFO] [stdout]    --> src/base.rs:701:24
[INFO] [stdout]     |
[INFO] [stdout] 701 |             let next = (*self.node).tower[0];
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 701 |             let next = (&(*self.node).tower)[0];
[INFO] [stdout]     |                        ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn front(&self) -> Option<Entry<K, V>> {
[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] 36 |     pub fn front(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn back(&self) -> Option<Entry<K, V>> {
[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] 41 |     pub fn back(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<K, V>>
[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] 55 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, K, V>>
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<K, V> {
[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] 86 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> Iter<K, V> {
[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] 91 |     pub fn iter(&self) -> Iter<'_, K, V> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn insert(&mut self, key: K, value: V) -> Entry<K, V> {
[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] 121 |     pub fn insert(&mut self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skip_list` (lib) due to 2 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:183:18
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn front(&self) -> Option<Entry<K, V>> {
[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] 183 |     pub fn front(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:191:17
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn back(&self) -> Option<Entry<K, V>> {
[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] 191 |     pub fn back(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:208:26
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<K, V> {
[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] 208 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/base.rs:678:28
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 let next = (*self.node).tower[0];
[INFO] [stdout]     |                            ^^---------^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this raw pointer has type `*mut Node<K, V>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Tower<K, V>`
[INFO] [stdout]    --> src/base.rs:678:28
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 let next = (*self.node).tower[0];
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 678 |                 let next = (&(*self.node).tower)[0];
[INFO] [stdout]     |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/base.rs:701:24
[INFO] [stdout]     |
[INFO] [stdout] 701 |             let next = (*self.node).tower[0];
[INFO] [stdout]     |                        ^^---------^^^^^^^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this raw pointer has type `*mut Node<K, V>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&Tower<K, V>`
[INFO] [stdout]    --> src/base.rs:701:24
[INFO] [stdout]     |
[INFO] [stdout] 701 |             let next = (*self.node).tower[0];
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 701 |             let next = (&(*self.node).tower)[0];
[INFO] [stdout]     |                        ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn front(&self) -> Option<Entry<K, V>> {
[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] 36 |     pub fn front(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn back(&self) -> Option<Entry<K, V>> {
[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] 41 |     pub fn back(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<K, V>>
[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] 55 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, K, V>>
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<K, V> {
[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] 86 |     pub fn get_or_insert(&mut self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/map.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn iter(&self) -> Iter<K, V> {
[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] 91 |     pub fn iter(&self) -> Iter<'_, K, V> {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:121:19
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn insert(&mut self, key: K, value: V) -> Entry<K, V> {
[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] 121 |     pub fn insert(&mut self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skip_list` (lib test) due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74", kill_on_drop: false }`
[INFO] [stdout] e67eafa8a2bc5edfc147497d88ac31f33b15e5dd4c73e8542df27d5c72c1fc74
