[INFO] fetching crate mycelium_experimental 0.1.0...
[INFO] testing mycelium_experimental-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mycelium_experimental 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] finished tweaking crates.io crate mycelium_experimental 0.1.0
[INFO] tweaked toml for crates.io crate mycelium_experimental 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mycelium_experimental 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.3)
[INFO] [stderr]       Adding crossbeam-epoch v0.7.2 (available: v0.9.18)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.21)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding scopeguard v0.3.3 (available: v1.2.0)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76071db53f3aab6ef75f90adb17aeec02868d4814c0e346a1080808c2caf580
[INFO] running `Command { std: "docker" "start" "-a" "e76071db53f3aab6ef75f90adb17aeec02868d4814c0e346a1080808c2caf580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76071db53f3aab6ef75f90adb17aeec02868d4814c0e346a1080808c2caf580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76071db53f3aab6ef75f90adb17aeec02868d4814c0e346a1080808c2caf580", kill_on_drop: false }`
[INFO] [stdout] e76071db53f3aab6ef75f90adb17aeec02868d4814c0e346a1080808c2caf580
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb961bdaf89e3142aef3615d80902640efbad4177c6546fd8129d8f4e12ea08
[INFO] running `Command { std: "docker" "start" "-a" "9fb961bdaf89e3142aef3615d80902640efbad4177c6546fd8129d8f4e12ea08", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mycelium_experimental v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     feature = "nightly",
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:375:23
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry> {
[INFO] [stdout]     |                       ^^               ^^                  ----- the same lifetime is hidden here
[INFO] [stdout]     |                       |                |
[INFO] [stdout]     |                       |                the lifetime is named here
[INFO] [stdout]     |                       the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry<'a>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:403:21
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry>
[INFO] [stdout]     |                     ^^                             ^^                  ----- the same lifetime is hidden here
[INFO] [stdout]     |                     |                              |
[INFO] [stdout]     |                     the lifetime is named here     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry<'a>>
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:454:26
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here                      -------- the same lifetime is hidden 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] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn ref_iter(&self) -> RefIter {
[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] 470 |     pub fn ref_iter(&self) -> RefIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:802:24
[INFO] [stdout]     |
[INFO] [stdout] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here                                     -------- the same lifetime is hidden 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] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]     |                                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/base.rs:1016:19
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here                       -------- the same lifetime is hidden 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] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]      |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/base.rs:1021:19
[INFO] [stdout]      |
[INFO] [stdout] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry>
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here             -------- the same lifetime is hidden 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] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry<'_>>
[INFO] [stdout]      |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/base.rs:1846:28
[INFO] [stdout]      |
[INFO] [stdout] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut base::Node`
[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: `&base::Tower`
[INFO] [stdout]     --> src/base.rs:1846:28
[INFO] [stdout]      |
[INFO] [stdout] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(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] 1846 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/base.rs:1877:28
[INFO] [stdout]      |
[INFO] [stdout] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut base::Node`
[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: `&base::Tower`
[INFO] [stdout]     --> src/base.rs:1877:28
[INFO] [stdout]      |
[INFO] [stdout] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1877 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn next(&self) -> Option<Entry> {
[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] 256 |     pub fn next(&self) -> Option<Entry<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn prev(&self) -> Option<Entry> {
[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] 262 |     pub fn prev(&self) -> Option<Entry<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:477:26
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |     pub fn ref_iter(&self) -> RefIter<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] 493 |     pub fn ref_iter(&self) -> RefIter<'_, K, V> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:838:24
[INFO] [stdout]     |
[INFO] [stdout] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here                         -------------- the same lifetime is hidden 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] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1055:19
[INFO] [stdout]      |
[INFO] [stdout] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]      |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1060:22
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<K, V>>
[INFO] [stdout]      |                      ^^^^^ the lifetime is elided here        -------------- the same lifetime is hidden 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] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<'_, K, V>>
[INFO] [stdout]      |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1125:22
[INFO] [stdout]      |
[INFO] [stdout] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<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] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stdout]      |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1138:21
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<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] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stdout]      |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stdout]      |
[INFO] [stdout] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut crossbeam_skiplist::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: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stdout]      |
[INFO] [stdout] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1946 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stdout]      |
[INFO] [stdout] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut crossbeam_skiplist::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: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stdout]      |
[INFO] [stdout] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1977 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/map.rs:157:18
[INFO] [stdout]     |
[INFO] [stdout] 157 |     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] 157 |     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/crossbeam_skiplist/map.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |     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] 163 |     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/crossbeam_skiplist/map.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     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] 179 |     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/crossbeam_skiplist/map.rs:213:26
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn get_or_insert(&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] 213 |     pub fn get_or_insert(&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/crossbeam_skiplist/map.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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] 219 |     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/crossbeam_skiplist/map.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn insert(&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] 247 |     pub fn insert(&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/crossbeam_skiplist/map.rs:253:22
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn remove<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] 253 |     pub fn remove<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/crossbeam_skiplist/map.rs:263:22
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn pop_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] 263 |     pub fn pop_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/crossbeam_skiplist/map.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn pop_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] 269 |     pub fn pop_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/crossbeam_skiplist/set.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn front(&self) -> Option<Entry<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] 147 |     pub fn front(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn back(&self) -> Option<Entry<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] 152 |     pub fn back(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:166:19
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<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] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<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] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn iter(&self) -> Iter<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] 202 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn insert(&self, key: T) -> Entry<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] 229 |     pub fn insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<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] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn pop_front(&self) -> Option<Entry<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] 243 |     pub fn pop_front(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn pop_back(&self) -> Option<Entry<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] 248 |     pub fn pop_back(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "9fb961bdaf89e3142aef3615d80902640efbad4177c6546fd8129d8f4e12ea08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb961bdaf89e3142aef3615d80902640efbad4177c6546fd8129d8f4e12ea08", kill_on_drop: false }`
[INFO] [stdout] 9fb961bdaf89e3142aef3615d80902640efbad4177c6546fd8129d8f4e12ea08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6327857e1139b549509ac11e55c369067dbd6aa8a07ace248d6f910c11f95e5
[INFO] running `Command { std: "docker" "start" "-a" "d6327857e1139b549509ac11e55c369067dbd6aa8a07ace248d6f910c11f95e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     feature = "nightly",
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:375:23
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry> {
[INFO] [stdout]     |                       ^^               ^^                  ----- the same lifetime is hidden here
[INFO] [stdout]     |                       |                |
[INFO] [stdout]     |                       |                the lifetime is named here
[INFO] [stdout]     |                       the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry<'a>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:403:21
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry>
[INFO] [stdout]     |                     ^^                             ^^                  ----- the same lifetime is hidden here
[INFO] [stdout]     |                     |                              |
[INFO] [stdout]     |                     the lifetime is named here     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry<'a>>
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:454:26
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here                      -------- the same lifetime is hidden 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] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn ref_iter(&self) -> RefIter {
[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] 470 |     pub fn ref_iter(&self) -> RefIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:802:24
[INFO] [stdout]     |
[INFO] [stdout] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here                                     -------- the same lifetime is hidden 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] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]     |                                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/base.rs:1016:19
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here                       -------- the same lifetime is hidden 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] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]      |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/base.rs:1021:19
[INFO] [stdout]      |
[INFO] [stdout] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry>
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here             -------- the same lifetime is hidden 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] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry<'_>>
[INFO] [stdout]      |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/base.rs:1846:28
[INFO] [stdout]      |
[INFO] [stdout] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut base::Node`
[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: `&base::Tower`
[INFO] [stdout]     --> src/base.rs:1846:28
[INFO] [stdout]      |
[INFO] [stdout] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(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] 1846 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/base.rs:1877:28
[INFO] [stdout]      |
[INFO] [stdout] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut base::Node`
[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: `&base::Tower`
[INFO] [stdout]     --> src/base.rs:1877:28
[INFO] [stdout]      |
[INFO] [stdout] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1877 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn next(&self) -> Option<Entry> {
[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] 256 |     pub fn next(&self) -> Option<Entry<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn prev(&self) -> Option<Entry> {
[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] 262 |     pub fn prev(&self) -> Option<Entry<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:477:26
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |     pub fn ref_iter(&self) -> RefIter<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] 493 |     pub fn ref_iter(&self) -> RefIter<'_, K, V> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:838:24
[INFO] [stdout]     |
[INFO] [stdout] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here                         -------------- the same lifetime is hidden 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] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1055:19
[INFO] [stdout]      |
[INFO] [stdout] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]      |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1060:22
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<K, V>>
[INFO] [stdout]      |                      ^^^^^ the lifetime is elided here        -------------- the same lifetime is hidden 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] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<'_, K, V>>
[INFO] [stdout]      |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1125:22
[INFO] [stdout]      |
[INFO] [stdout] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<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] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stdout]      |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1138:21
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<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] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stdout]      |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stdout]      |
[INFO] [stdout] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut crossbeam_skiplist::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: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stdout]      |
[INFO] [stdout] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1946 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stdout]      |
[INFO] [stdout] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut crossbeam_skiplist::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: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stdout]      |
[INFO] [stdout] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1977 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/map.rs:157:18
[INFO] [stdout]     |
[INFO] [stdout] 157 |     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] 157 |     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/crossbeam_skiplist/map.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |     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] 163 |     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/crossbeam_skiplist/map.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     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] 179 |     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/crossbeam_skiplist/map.rs:213:26
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn get_or_insert(&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] 213 |     pub fn get_or_insert(&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/crossbeam_skiplist/map.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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] 219 |     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/crossbeam_skiplist/map.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn insert(&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] 247 |     pub fn insert(&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/crossbeam_skiplist/map.rs:253:22
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn remove<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] 253 |     pub fn remove<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/crossbeam_skiplist/map.rs:263:22
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn pop_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] 263 |     pub fn pop_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/crossbeam_skiplist/map.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn pop_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] 269 |     pub fn pop_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/crossbeam_skiplist/set.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn front(&self) -> Option<Entry<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] 147 |     pub fn front(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn back(&self) -> Option<Entry<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] 152 |     pub fn back(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:166:19
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<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] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<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] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn iter(&self) -> Iter<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] 202 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn insert(&self, key: T) -> Entry<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] 229 |     pub fn insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<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] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn pop_front(&self) -> Option<Entry<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] 243 |     pub fn pop_front(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn pop_back(&self) -> Option<Entry<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] 248 |     pub fn pop_back(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mycelium_experimental v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     feature = "nightly",
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stdout]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:375:23
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry> {
[INFO] [stdout]     |                       ^^               ^^                  ----- the same lifetime is hidden here
[INFO] [stdout]     |                       |                |
[INFO] [stdout]     |                       |                the lifetime is named here
[INFO] [stdout]     |                       the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry<'a>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:403:21
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry>
[INFO] [stdout]     |                     ^^                             ^^                  ----- the same lifetime is hidden here
[INFO] [stdout]     |                     |                              |
[INFO] [stdout]     |                     the lifetime is named here     the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry<'a>>
[INFO] [stdout]     |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:454:26
[INFO] [stdout]     |
[INFO] [stdout] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here                      -------- the same lifetime is hidden 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] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]     |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |     pub fn ref_iter(&self) -> RefIter {
[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] 470 |     pub fn ref_iter(&self) -> RefIter<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/base.rs:802:24
[INFO] [stdout]     |
[INFO] [stdout] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here                                     -------- the same lifetime is hidden 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] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]     |                                                                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/base.rs:1016:19
[INFO] [stdout]      |
[INFO] [stdout] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here                       -------- the same lifetime is hidden 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] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stdout]      |                                                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/base.rs:1021:19
[INFO] [stdout]      |
[INFO] [stdout] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry>
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here             -------- the same lifetime is hidden 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] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry<'_>>
[INFO] [stdout]      |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/base.rs:1846:28
[INFO] [stdout]      |
[INFO] [stdout] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut base::Node`
[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: `&base::Tower`
[INFO] [stdout]     --> src/base.rs:1846:28
[INFO] [stdout]      |
[INFO] [stdout] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(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] 1846 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/base.rs:1877:28
[INFO] [stdout]      |
[INFO] [stdout] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut base::Node`
[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: `&base::Tower`
[INFO] [stdout]     --> src/base.rs:1877:28
[INFO] [stdout]      |
[INFO] [stdout] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1877 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:256:17
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn next(&self) -> Option<Entry> {
[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] 256 |     pub fn next(&self) -> Option<Entry<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/map.rs:262:17
[INFO] [stdout]     |
[INFO] [stdout] 262 |     pub fn prev(&self) -> Option<Entry> {
[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] 262 |     pub fn prev(&self) -> Option<Entry<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:477:26
[INFO] [stdout]     |
[INFO] [stdout] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]     |                          ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:493:21
[INFO] [stdout]     |
[INFO] [stdout] 493 |     pub fn ref_iter(&self) -> RefIter<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] 493 |     pub fn ref_iter(&self) -> RefIter<'_, K, V> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/mod.rs:838:24
[INFO] [stdout]     |
[INFO] [stdout] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]     |                        ^^^^^ the lifetime is elided here                         -------------- the same lifetime is hidden 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] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1055:19
[INFO] [stdout]      |
[INFO] [stdout] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stdout]      |                   ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stdout]      |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1060:22
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<K, V>>
[INFO] [stdout]      |                      ^^^^^ the lifetime is elided here        -------------- the same lifetime is hidden 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] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<'_, K, V>>
[INFO] [stdout]      |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1125:22
[INFO] [stdout]      |
[INFO] [stdout] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<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] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stdout]      |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1138:21
[INFO] [stdout]      |
[INFO] [stdout] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<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] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stdout]      |                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stdout]      |
[INFO] [stdout] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut crossbeam_skiplist::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: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stdout]      |
[INFO] [stdout] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1946 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stdout]      |
[INFO] [stdout] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ^^---------^^^^^^^^^^
[INFO] [stdout]      |                              |
[INFO] [stdout]      |                              this raw pointer has type `*mut crossbeam_skiplist::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: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stdout]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stdout]      |
[INFO] [stdout] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[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] 1977 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stdout]      |                            ++                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/map.rs:157:18
[INFO] [stdout]     |
[INFO] [stdout] 157 |     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] 157 |     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/crossbeam_skiplist/map.rs:163:17
[INFO] [stdout]     |
[INFO] [stdout] 163 |     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] 163 |     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/crossbeam_skiplist/map.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     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] 179 |     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/crossbeam_skiplist/map.rs:213:26
[INFO] [stdout]     |
[INFO] [stdout] 213 |     pub fn get_or_insert(&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] 213 |     pub fn get_or_insert(&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/crossbeam_skiplist/map.rs:219:17
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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] 219 |     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/crossbeam_skiplist/map.rs:247:19
[INFO] [stdout]     |
[INFO] [stdout] 247 |     pub fn insert(&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] 247 |     pub fn insert(&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/crossbeam_skiplist/map.rs:253:22
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn remove<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] 253 |     pub fn remove<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/crossbeam_skiplist/map.rs:263:22
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn pop_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] 263 |     pub fn pop_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/crossbeam_skiplist/map.rs:269:21
[INFO] [stdout]     |
[INFO] [stdout] 269 |     pub fn pop_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] 269 |     pub fn pop_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/crossbeam_skiplist/set.rs:147:18
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn front(&self) -> Option<Entry<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] 147 |     pub fn front(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:152:17
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn back(&self) -> Option<Entry<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] 152 |     pub fn back(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:166:19
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<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] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:197:26
[INFO] [stdout]     |
[INFO] [stdout] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<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] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:202:17
[INFO] [stdout]     |
[INFO] [stdout] 202 |     pub fn iter(&self) -> Iter<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] 202 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:229:19
[INFO] [stdout]     |
[INFO] [stdout] 229 |     pub fn insert(&self, key: T) -> Entry<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] 229 |     pub fn insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:234:22
[INFO] [stdout]     |
[INFO] [stdout] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<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] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:243:22
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn pop_front(&self) -> Option<Entry<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] 243 |     pub fn pop_front(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/crossbeam_skiplist/set.rs:248:21
[INFO] [stdout]     |
[INFO] [stdout] 248 |     pub fn pop_back(&self) -> Option<Entry<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] 248 |     pub fn pop_back(&self) -> Option<Entry<'_, T>> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "d6327857e1139b549509ac11e55c369067dbd6aa8a07ace248d6f910c11f95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6327857e1139b549509ac11e55c369067dbd6aa8a07ace248d6f910c11f95e5", kill_on_drop: false }`
[INFO] [stdout] d6327857e1139b549509ac11e55c369067dbd6aa8a07ace248d6f910c11f95e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b087b16a0c4548675a968d62be393d4aad176d26f3b786419398193b053bcf2a
[INFO] running `Command { std: "docker" "start" "-a" "b087b16a0c4548675a968d62be393d4aad176d26f3b786419398193b053bcf2a", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stderr]  --> src/lib.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(feature = "nightly", feature(cfg_target_has_atomic))]
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stderr]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     feature = "nightly",
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected values for `feature` are: `alloc`, `default`, and `std`
[INFO] [stderr]    = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/base.rs:375:23
[INFO] [stderr]     |
[INFO] [stderr] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry> {
[INFO] [stderr]     |                       ^^               ^^                  ----- the same lifetime is hidden here
[INFO] [stderr]     |                       |                |
[INFO] [stderr]     |                       |                the lifetime is named here
[INFO] [stderr]     |                       the lifetime is named 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 375 |     pub fn front<'a>(&'a self, guard: &'a Guard) -> Option<Entry<'a>> {
[INFO] [stderr]     |                                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/base.rs:403:21
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry>
[INFO] [stderr]     |                     ^^                             ^^                  ----- the same lifetime is hidden here
[INFO] [stderr]     |                     |                              |
[INFO] [stderr]     |                     the lifetime is named here     the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 403 |     pub fn get<'a>(&'a self, key: [u8;16], guard: &'a Guard) -> Option<Entry<'a>>
[INFO] [stderr]     |                                                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/base.rs:454:26
[INFO] [stderr]     |
[INFO] [stderr] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stderr]     |                          ^^^^^ the lifetime is elided here                      -------- the same lifetime is hidden 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] 454 |     pub fn get_or_insert(&self, key: [u8;16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stderr]     |                                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/base.rs:470:21
[INFO] [stderr]     |
[INFO] [stderr] 470 |     pub fn ref_iter(&self) -> RefIter {
[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] 470 |     pub fn ref_iter(&self) -> RefIter<'_> {
[INFO] [stderr]     |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/base.rs:802:24
[INFO] [stderr]     |
[INFO] [stderr] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry {
[INFO] [stderr]     |                        ^^^^^ the lifetime is elided here                                     -------- the same lifetime is hidden 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] 802 |     fn insert_internal(&self, key: [u8;16], value: Vec<u8>, replace: bool, guard: &Guard) -> RefEntry<'_> {
[INFO] [stderr]     |                                                                                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/base.rs:1016:19
[INFO] [stderr]      |
[INFO] [stderr] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry {
[INFO] [stderr]      |                   ^^^^^ the lifetime is elided here                       -------- the same lifetime is hidden 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] 1016 |     pub fn insert(&self, key: [u8; 16], value: Vec<u8>, guard: &Guard) -> RefEntry<'_> {
[INFO] [stderr]      |                                                                                   ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/base.rs:1021:19
[INFO] [stderr]      |
[INFO] [stderr] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry>
[INFO] [stderr]      |                   ^^^^^ the lifetime is elided here             -------- the same lifetime is hidden 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] 1021 |     pub fn remove(&self, key: [u8;16], guard: &Guard) -> Option<RefEntry<'_>>
[INFO] [stderr]      |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]     --> src/base.rs:1846:28
[INFO] [stderr]      |
[INFO] [stderr] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^---------^^^^^^^^^^
[INFO] [stderr]      |                              |
[INFO] [stderr]      |                              this raw pointer has type `*mut base::Node`
[INFO] [stderr]      |
[INFO] [stderr]      = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&base::Tower`
[INFO] [stderr]     --> src/base.rs:1846:28
[INFO] [stderr]      |
[INFO] [stderr] 1846 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      = note: `#[warn(dangerous_implicit_autorefs)]` on by default
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]      |
[INFO] [stderr] 1846 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ++                  +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]     --> src/base.rs:1877:28
[INFO] [stderr]      |
[INFO] [stderr] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^---------^^^^^^^^^^
[INFO] [stderr]      |                              |
[INFO] [stderr]      |                              this raw pointer has type `*mut base::Node`
[INFO] [stderr]      |
[INFO] [stderr]      = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&base::Tower`
[INFO] [stderr]     --> src/base.rs:1877:28
[INFO] [stderr]      |
[INFO] [stderr] 1877 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]      |
[INFO] [stderr] 1877 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ++                  +
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/map.rs:256:17
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn next(&self) -> Option<Entry> {
[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] 256 |     pub fn next(&self) -> Option<Entry<'_>> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/map.rs:262:17
[INFO] [stderr]     |
[INFO] [stderr] 262 |     pub fn prev(&self) -> Option<Entry> {
[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] 262 |     pub fn prev(&self) -> Option<Entry<'_>> {
[INFO] [stderr]     |                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/mod.rs:477:26
[INFO] [stderr]     |
[INFO] [stderr] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stderr]     |                          ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 477 |     pub fn get_or_insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stderr]     |                                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/mod.rs:493:21
[INFO] [stderr]     |
[INFO] [stderr] 493 |     pub fn ref_iter(&self) -> RefIter<K, V> {
[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] 493 |     pub fn ref_iter(&self) -> RefIter<'_, K, V> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/mod.rs:838:24
[INFO] [stderr]     |
[INFO] [stderr] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stderr]     |                        ^^^^^ the lifetime is elided here                         -------------- the same lifetime is hidden 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] 838 |     fn insert_internal(&self, key: K, value: V, replace: bool, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stderr]     |                                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1055:19
[INFO] [stderr]      |
[INFO] [stderr] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<K, V> {
[INFO] [stderr]      |                   ^^^^^ the lifetime is elided here          -------------- the same lifetime is hidden 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] 1055 |     pub fn insert(&self, key: K, value: V, guard: &Guard) -> RefEntry<'_, K, V> {
[INFO] [stderr]      |                                                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1060:22
[INFO] [stderr]      |
[INFO] [stderr] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<K, V>>
[INFO] [stderr]      |                      ^^^^^ the lifetime is elided here        -------------- the same lifetime is hidden 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] 1060 |     pub fn remove<Q>(&self, key: &Q, guard: &Guard) -> Option<RefEntry<'_, K, V>>
[INFO] [stderr]      |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1125:22
[INFO] [stderr]      |
[INFO] [stderr] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<K, V>> {
[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] 1125 |     pub fn pop_front(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stderr]      |                                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1138:21
[INFO] [stderr]      |
[INFO] [stderr] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<K, V>> {
[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] 1138 |     pub fn pop_back(&self, guard: &Guard) -> Option<RefEntry<'_, K, V>> {
[INFO] [stderr]      |                                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stderr]      |
[INFO] [stderr] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^---------^^^^^^^^^^
[INFO] [stderr]      |                              |
[INFO] [stderr]      |                              this raw pointer has type `*mut crossbeam_skiplist::Node<K, V>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1946:28
[INFO] [stderr]      |
[INFO] [stderr] 1946 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]      |
[INFO] [stderr] 1946 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ++                  +
[INFO] [stderr] 
[INFO] [stderr] warning: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stderr]      |
[INFO] [stderr] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^---------^^^^^^^^^^
[INFO] [stderr]      |                              |
[INFO] [stderr]      |                              this raw pointer has type `*mut crossbeam_skiplist::Node<K, V>`
[INFO] [stderr]      |
[INFO] [stderr]      = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stderr] note: autoref is being applied to this expression, resulting in: `&crossbeam_skiplist::Tower<K, V>`
[INFO] [stderr]     --> src/crossbeam_skiplist/mod.rs:1977:28
[INFO] [stderr]      |
[INFO] [stderr] 1977 |                 let next = (*self.node).tower[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stderr]      |
[INFO] [stderr] 1977 |                 let next = (&(*self.node).tower)[0].load(Ordering::Relaxed, epoch::unprotected());
[INFO] [stderr]      |                            ++                  +
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:157:18
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn front(&self) -> Option<Entry<K, V>> {
[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] 157 |     pub fn front(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:163:17
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub fn back(&self) -> Option<Entry<K, V>> {
[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] 163 |     pub fn back(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<K, V>>
[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] 179 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, K, V>>
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:213:26
[INFO] [stderr]     |
[INFO] [stderr] 213 |     pub fn get_or_insert(&self, key: K, value: V) -> Entry<K, V> {
[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] 213 |     pub fn get_or_insert(&self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stderr]     |                                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:219:17
[INFO] [stderr]     |
[INFO] [stderr] 219 |     pub fn iter(&self) -> Iter<K, V> {
[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] 219 |     pub fn iter(&self) -> Iter<'_, K, V> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:247:19
[INFO] [stderr]     |
[INFO] [stderr] 247 |     pub fn insert(&self, key: K, value: V) -> Entry<K, V> {
[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] 247 |     pub fn insert(&self, key: K, value: V) -> Entry<'_, K, V> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:253:22
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<K, V>>
[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] 253 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<'_, K, V>>
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:263:22
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub fn pop_front(&self) -> Option<Entry<K, V>> {
[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] 263 |     pub fn pop_front(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/map.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |     pub fn pop_back(&self) -> Option<Entry<K, V>> {
[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] [stdout] 
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stdout] running 6 tests
[INFO] [stderr]     |
[INFO] [stderr] 269 |     pub fn pop_back(&self) -> Option<Entry<'_, K, V>> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:147:18
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn front(&self) -> Option<Entry<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] 147 |     pub fn front(&self) -> Option<Entry<'_, T>> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |     pub fn back(&self) -> Option<Entry<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] 152 |     pub fn back(&self) -> Option<Entry<'_, T>> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:166:19
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<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] 166 |     pub fn get<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:197:26
[INFO] [stderr]     |
[INFO] [stderr] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<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] 197 |     pub fn get_or_insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:202:17
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn iter(&self) -> Iter<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] 202 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:229:19
[INFO] [stderr]     |
[INFO] [stderr] 229 |     pub fn insert(&self, key: T) -> Entry<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] 229 |     pub fn insert(&self, key: T) -> Entry<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:234:22
[INFO] [stderr]     |
[INFO] [stderr] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<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] 234 |     pub fn remove<Q>(&self, key: &Q) -> Option<Entry<'_, T>>
[INFO] [stderr]     |                                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:243:22
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn pop_front(&self) -> Option<Entry<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] 243 |     pub fn pop_front(&self) -> Option<Entry<'_, T>> {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/crossbeam_skiplist/set.rs:248:21
[INFO] [stderr]     |
[INFO] [stderr] 248 |     pub fn pop_back(&self) -> Option<Entry<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] 248 |     pub fn pop_back(&self) -> Option<Entry<'_, T>> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: `mycelium_experimental` (lib) generated 40 warnings
[INFO] [stderr] warning: `mycelium_experimental` (lib test) generated 40 warnings (40 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mycelium_experimental-1320af4c0949b53e)
[INFO] [stderr] 
[INFO] [stderr] thread 'test::insert_one' panicked at src/base.rs:734:33:
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x61ce155c9bc2 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x61ce155c9bc2 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x61ce155c9bc2 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x61ce155c9bc2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x61ce155ef273 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x61ce155ef273 - core::fmt::write::h8a494366950f23bb
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x61ce155c6c23 - std::io::default_write_fmt::ha27fbccbc65eb6fa
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x61ce155c6c23 - std::io::Write::write_fmt::h6556609fca33d0b1
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x61ce155c9a12 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x61ce155cb149 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x61ce155caf2b - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x61ce15539074 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   12:     0x61ce15539074 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x61ce155cbc1e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stderr]   14:     0x61ce155cbc1e - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stderr]   15:     0x61ce155cb8b6 - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:699:13
[INFO] [stderr]   16:     0x61ce155ca0c9 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x61ce155cb57d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stderr]   18:     0x61ce155edccd - core::panicking::panic_nounwind_fmt::runtime::hde3dd742c40069fa
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:117:22
[INFO] [stderr]   19:     0x61ce155edccd - core::panicking::panic_nounwind_fmt::h6c46f1098922b4b6
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/intrinsics/mod.rs:2367:9
[INFO] [stderr]   20:     0x61ce154f144c - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::precondition_check::h6cc2a6585c65d679
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ub_checks.rs:72:21
[INFO] [stderr]   21:     0x61ce154f1349 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked::hb090ac5487ac9f02
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ub_checks.rs:77:17
[INFO] [stderr]   22:     0x61ce154f12b8 - core::slice::<impl [T]>::get_unchecked::he446b0177cc4a807
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/slice/mod.rs:644:26
[INFO] [stderr]   23:     0x61ce154e529d - <mycelium_experimental::base::Tower as core::ops::index::Index<usize>>::index::h5c4c6ea9a707e56f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/base.rs:28:32
[INFO] [stderr]   24:     0x61ce154e65c4 - mycelium_experimental::base::SkipList::search_position::h811817876ffdd7bf
[INFO] [stderr]                                at /opt/rustwide/workdir/src/base.rs:734:33
[INFO] [stderr]   25:     0x61ce154e6a58 - mycelium_experimental::base::SkipList::insert_internal::h11de65a5d23ba8e5
[INFO] [stderr]                                at /opt/rustwide/workdir/src/base.rs:815:31
[INFO] [stderr]   26:     0x61ce154e7747 - mycelium_experimental::base::SkipList::insert::h01dcd7d3b6359ba3
[INFO] [stderr]                                at /opt/rustwide/workdir/src/base.rs:1017:14
[INFO] [stderr]   27:     0x61ce154f9180 - mycelium_experimental::test::insert_one::hc42318e0ccff602a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test.rs:23:10
[INFO] [stderr]   28:     0x61ce154f9007 - mycelium_experimental::test::insert_one::{{closure}}::h70d8b6791fc67bc3
[INFO] [stderr]                                at /opt/rustwide/workdir/src/test.rs:18:16
[INFO] [stderr]   29:     0x61ce154e9f06 - core::ops::function::FnOnce::call_once::h15922d9ac42d4c7c
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   30:     0x61ce1553e8db - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   31:     0x61ce1553e8db - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stderr]   32:     0x61ce1553da15 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stderr]   33:     0x61ce1553da15 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   34:     0x61ce1553da15 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]   35:     0x61ce1553da15 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]   36:     0x61ce1553da15 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]   37:     0x61ce1553da15 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stderr]   38:     0x61ce1553da15 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stderr]   39:     0x61ce15501614 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stderr]   40:     0x61ce15501614 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   41:     0x61ce15504fea - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stderr]   42:     0x61ce15504fea - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   43:     0x61ce15504fea - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stderr]   44:     0x61ce15504fea - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stderr]   45:     0x61ce15504fea - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stderr]   46:     0x61ce15504fea - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stderr]   47:     0x61ce15504fea - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stderr]   48:     0x61ce155cec9f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stderr]   49:     0x61ce155cec9f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stderr]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stderr]   50:     0x7cb6adb8baa4 - <unknown>
[INFO] [stderr]   51:     0x7cb6adc18a34 - clone
[INFO] [stderr]   52:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[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/mycelium_experimental-1320af4c0949b53e` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "b087b16a0c4548675a968d62be393d4aad176d26f3b786419398193b053bcf2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b087b16a0c4548675a968d62be393d4aad176d26f3b786419398193b053bcf2a", kill_on_drop: false }`
[INFO] [stdout] b087b16a0c4548675a968d62be393d4aad176d26f3b786419398193b053bcf2a
