[INFO] fetching crate queen-io 0.6.1...
[INFO] testing queen-io-0.6.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate queen-io 0.6.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate queen-io 0.6.1
[INFO] finished tweaking crates.io crate queen-io 0.6.1
[INFO] tweaked toml for crates.io crate queen-io 0.6.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate queen-io 0.6.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate queen-io 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38561482bda3a82f1b50797bb4a5b1e84d84faf02fb19696ea40731f3dd52443
[INFO] running `Command { std: "docker" "start" "-a" "38561482bda3a82f1b50797bb4a5b1e84d84faf02fb19696ea40731f3dd52443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38561482bda3a82f1b50797bb4a5b1e84d84faf02fb19696ea40731f3dd52443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38561482bda3a82f1b50797bb4a5b1e84d84faf02fb19696ea40731f3dd52443", kill_on_drop: false }`
[INFO] [stdout] 38561482bda3a82f1b50797bb4a5b1e84d84faf02fb19696ea40731f3dd52443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b5b36b54bb64eb89b5c9f5c1c0eebc76ed86e65f617c2eff429201a4c61d656
[INFO] running `Command { std: "docker" "start" "-a" "5b5b36b54bb64eb89b5c9f5c1c0eebc76ed86e65f617c2eff429201a4c61d656", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling queen-io v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `stats`
[INFO] [stdout]  --> src/plus/ttl_cache.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "stats")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `stats` 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: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 168 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:170:11
[INFO] [stdout]     |
[INFO] [stdout] 170 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:172:11
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:192:19
[INFO] [stdout]     |
[INFO] [stdout] 192 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:529:11
[INFO] [stdout]     |
[INFO] [stdout] 529 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:553:11
[INFO] [stdout]     |
[INFO] [stdout] 553 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:576:11
[INFO] [stdout]     |
[INFO] [stdout] 576 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:583:11
[INFO] [stdout]     |
[INFO] [stdout] 583 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:209:19
[INFO] [stdout]     |
[INFO] [stdout] 209 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:290:15
[INFO] [stdout]     |
[INFO] [stdout] 290 |         #[cfg(feature = "stats")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:333:15
[INFO] [stdout]     |
[INFO] [stdout] 333 |         #[cfg(feature = "stats")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:620:19
[INFO] [stdout]     |
[INFO] [stdout] 620 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:622:19
[INFO] [stdout]     |
[INFO] [stdout] 622 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:624:19
[INFO] [stdout]     |
[INFO] [stdout] 624 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/plus/mpmc_queue.rs:77:52
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let enqueue_pos = self.enqueue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/plus/mpmc_queue.rs:104:52
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 let dequeue_pos = self.dequeue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/sys/timerfd.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let temp: u64 = unsafe { mem::transmute(buf) };
[INFO] [stdout]     |                                  --------------^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/epoll/event.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/poll/event.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/channel.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn try_iter(&self) -> TryIter<T> {
[INFO] [stdout]     |                     ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn try_iter(&self) -> TryIter<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:581:17
[INFO] [stdout]     |
[INFO] [stdout] 581 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 581 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:613:21
[INFO] [stdout]     |
[INFO] [stdout] 613 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 613 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:815:25
[INFO] [stdout]     |
[INFO] [stdout] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:966:18
[INFO] [stdout]     |
[INFO] [stdout] 966 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 966 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `LruEntry<K, V>` does not permit being left uninitialized
[INFO] [stdout]   --> src/plus/lru_cache.rs:66:51
[INFO] [stdout]    |
[INFO] [stdout] 66 |             head: unsafe{ mem::transmute(Box::new(mem::MaybeUninit::<LruEntry<K, V>>::uninit().assume_init())) },
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout] note: raw pointers must be initialized (in this struct field)
[INFO] [stdout]   --> src/plus/lru_cache.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     next: *mut LruEntry<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:432:18
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn entry(&mut self, k: K) -> Entry<K, V> {
[INFO] [stdout]     |                  ^^^^^^^^^           ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn entry(&mut self, k: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:469:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter(&mut self) -> Iter<K, V> {
[INFO] [stdout]     |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter(&mut self) -> Iter<'_, K, V> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:504:21
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn iter_mut(&mut self) -> IterMut<K, V> {
[INFO] [stdout]     |                     ^^^^^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `Command { std: "docker" "inspect" "5b5b36b54bb64eb89b5c9f5c1c0eebc76ed86e65f617c2eff429201a4c61d656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b5b36b54bb64eb89b5c9f5c1c0eebc76ed86e65f617c2eff429201a4c61d656", kill_on_drop: false }`
[INFO] [stdout] 5b5b36b54bb64eb89b5c9f5c1c0eebc76ed86e65f617c2eff429201a4c61d656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c06eeafee33d8d1cecf34562c02dd7407d19a291aec9955b575f4d94792b928
[INFO] running `Command { std: "docker" "start" "-a" "1c06eeafee33d8d1cecf34562c02dd7407d19a291aec9955b575f4d94792b928", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `stats`
[INFO] [stdout]  --> src/plus/ttl_cache.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "stats")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `stats` 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: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 168 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:170:11
[INFO] [stdout]     |
[INFO] [stdout] 170 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:172:11
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:192:19
[INFO] [stdout]     |
[INFO] [stdout] 192 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:529:11
[INFO] [stdout]     |
[INFO] [stdout] 529 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:553:11
[INFO] [stdout]     |
[INFO] [stdout] 553 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:576:11
[INFO] [stdout]     |
[INFO] [stdout] 576 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:583:11
[INFO] [stdout]     |
[INFO] [stdout] 583 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:209:19
[INFO] [stdout]     |
[INFO] [stdout] 209 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:290:15
[INFO] [stdout]     |
[INFO] [stdout] 290 |         #[cfg(feature = "stats")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:333:15
[INFO] [stdout]     |
[INFO] [stdout] 333 |         #[cfg(feature = "stats")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:620:19
[INFO] [stdout]     |
[INFO] [stdout] 620 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:622:19
[INFO] [stdout]     |
[INFO] [stdout] 622 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:624:19
[INFO] [stdout]     |
[INFO] [stdout] 624 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/plus/mpmc_queue.rs:77:52
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let enqueue_pos = self.enqueue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/plus/mpmc_queue.rs:104:52
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 let dequeue_pos = self.dequeue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling queen-io v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/sys/timerfd.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let temp: u64 = unsafe { mem::transmute(buf) };
[INFO] [stdout]     |                                  --------------^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/epoll/event.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/poll/event.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/channel.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn try_iter(&self) -> TryIter<T> {
[INFO] [stdout]     |                     ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn try_iter(&self) -> TryIter<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:581:17
[INFO] [stdout]     |
[INFO] [stdout] 581 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 581 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:613:21
[INFO] [stdout]     |
[INFO] [stdout] 613 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 613 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:815:25
[INFO] [stdout]     |
[INFO] [stdout] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:966:18
[INFO] [stdout]     |
[INFO] [stdout] 966 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 966 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `LruEntry<K, V>` does not permit being left uninitialized
[INFO] [stdout]   --> src/plus/lru_cache.rs:66:51
[INFO] [stdout]    |
[INFO] [stdout] 66 |             head: unsafe{ mem::transmute(Box::new(mem::MaybeUninit::<LruEntry<K, V>>::uninit().assume_init())) },
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout] note: raw pointers must be initialized (in this struct field)
[INFO] [stdout]   --> src/plus/lru_cache.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     next: *mut LruEntry<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:432:18
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn entry(&mut self, k: K) -> Entry<K, V> {
[INFO] [stdout]     |                  ^^^^^^^^^           ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn entry(&mut self, k: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:469:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter(&mut self) -> Iter<K, V> {
[INFO] [stdout]     |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter(&mut self) -> Iter<'_, K, V> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:504:21
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn iter_mut(&mut self) -> IterMut<K, V> {
[INFO] [stdout]     |                     ^^^^^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `stats`
[INFO] [stdout]  --> src/plus/ttl_cache.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "stats")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `stats` 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: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:168:11
[INFO] [stdout]     |
[INFO] [stdout] 168 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:170:11
[INFO] [stdout]     |
[INFO] [stdout] 170 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:172:11
[INFO] [stdout]     |
[INFO] [stdout] 172 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:192:19
[INFO] [stdout]     |
[INFO] [stdout] 192 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:194:19
[INFO] [stdout]     |
[INFO] [stdout] 194 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:529:11
[INFO] [stdout]     |
[INFO] [stdout] 529 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:553:11
[INFO] [stdout]     |
[INFO] [stdout] 553 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:576:11
[INFO] [stdout]     |
[INFO] [stdout] 576 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:583:11
[INFO] [stdout]     |
[INFO] [stdout] 583 |     #[cfg(feature = "stats")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:207:19
[INFO] [stdout]     |
[INFO] [stdout] 207 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:209:19
[INFO] [stdout]     |
[INFO] [stdout] 209 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 211 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:290:15
[INFO] [stdout]     |
[INFO] [stdout] 290 |         #[cfg(feature = "stats")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:333:15
[INFO] [stdout]     |
[INFO] [stdout] 333 |         #[cfg(feature = "stats")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:620:19
[INFO] [stdout]     |
[INFO] [stdout] 620 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:622:19
[INFO] [stdout]     |
[INFO] [stdout] 622 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stdout]    --> src/plus/ttl_cache.rs:624:19
[INFO] [stdout]     |
[INFO] [stdout] 624 |             #[cfg(feature = "stats")]
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `stats` 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: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/plus/mpmc_queue.rs:77:52
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 let enqueue_pos = self.enqueue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/plus/mpmc_queue.rs:104:52
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 let dequeue_pos = self.dequeue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/sys/timerfd.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let temp: u64 = unsafe { mem::transmute(buf) };
[INFO] [stdout]     |                                  --------------^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/epoll/event.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/poll/event.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]    |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/channel.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn try_iter(&self) -> TryIter<T> {
[INFO] [stdout]     |                     ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn try_iter(&self) -> TryIter<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:581:17
[INFO] [stdout]     |
[INFO] [stdout] 581 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 581 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:613:21
[INFO] [stdout]     |
[INFO] [stdout] 613 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 613 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:815:25
[INFO] [stdout]     |
[INFO] [stdout] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stdout]     |                         ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/slab.rs:966:18
[INFO] [stdout]     |
[INFO] [stdout] 966 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stdout]     |                  ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 966 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `LruEntry<K, V>` does not permit being left uninitialized
[INFO] [stdout]   --> src/plus/lru_cache.rs:66:51
[INFO] [stdout]    |
[INFO] [stdout] 66 |             head: unsafe{ mem::transmute(Box::new(mem::MaybeUninit::<LruEntry<K, V>>::uninit().assume_init())) },
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout] note: raw pointers must be initialized (in this struct field)
[INFO] [stdout]   --> src/plus/lru_cache.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     next: *mut LruEntry<K, V>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:432:18
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn entry(&mut self, k: K) -> Entry<K, V> {
[INFO] [stdout]     |                  ^^^^^^^^^           ----------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn entry(&mut self, k: K) -> Entry<'_, K, V> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:469:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter(&mut self) -> Iter<K, V> {
[INFO] [stdout]     |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 469 |     pub fn iter(&mut self) -> Iter<'_, K, V> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/plus/ttl_cache.rs:504:21
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn iter_mut(&mut self) -> IterMut<K, V> {
[INFO] [stdout]     |                     ^^^^^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 504 |     pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "1c06eeafee33d8d1cecf34562c02dd7407d19a291aec9955b575f4d94792b928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c06eeafee33d8d1cecf34562c02dd7407d19a291aec9955b575f4d94792b928", kill_on_drop: false }`
[INFO] [stdout] 1c06eeafee33d8d1cecf34562c02dd7407d19a291aec9955b575f4d94792b928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d76bdb42e476a8fe943d354bc3e5778bc421a241f9498620d0ba11ada3687269
[INFO] running `Command { std: "docker" "start" "-a" "d76bdb42e476a8fe943d354bc3e5778bc421a241f9498620d0ba11ada3687269", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `stats`
[INFO] [stderr]  --> src/plus/ttl_cache.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[cfg(feature = "stats")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `stats` 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: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:168:11
[INFO] [stderr]     |
[INFO] [stderr] 168 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:170:11
[INFO] [stderr]     |
[INFO] [stderr] 170 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:172:11
[INFO] [stderr]     |
[INFO] [stderr] 172 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:190:19
[INFO] [stderr]     |
[INFO] [stderr] 190 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:192:19
[INFO] [stderr]     |
[INFO] [stderr] 192 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:194:19
[INFO] [stderr]     |
[INFO] [stderr] 194 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:529:11
[INFO] [stderr]     |
[INFO] [stderr] 529 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:553:11
[INFO] [stderr]     |
[INFO] [stderr] 553 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:576:11
[INFO] [stderr]     |
[INFO] [stderr] 576 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:583:11
[INFO] [stderr]     |
[INFO] [stderr] 583 |     #[cfg(feature = "stats")]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:207:19
[INFO] [stderr]     |
[INFO] [stderr] 207 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:209:19
[INFO] [stderr]     |
[INFO] [stderr] 209 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:211:19
[INFO] [stderr]     |
[INFO] [stderr] 211 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:290:15
[INFO] [stderr]     |
[INFO] [stderr] 290 |         #[cfg(feature = "stats")]
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:333:15
[INFO] [stderr]     |
[INFO] [stderr] 333 |         #[cfg(feature = "stats")]
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:620:19
[INFO] [stderr]     |
[INFO] [stderr] 620 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:622:19
[INFO] [stderr]     |
[INFO] [stderr] 622 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: unexpected `cfg` condition value: `stats`
[INFO] [stderr]    --> src/plus/ttl_cache.rs:624:19
[INFO] [stderr]     |
[INFO] [stderr] 624 |             #[cfg(feature = "stats")]
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]     |
[INFO] [stderr]     = note: no expected values for `feature`
[INFO] [stderr]     = help: consider adding `stats` 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: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]   --> src/plus/mpmc_queue.rs:77:52
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 let enqueue_pos = self.enqueue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/plus/mpmc_queue.rs:104:52
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 let dequeue_pos = self.dequeue_pos.compare_and_swap(pos, pos + 1, Relaxed);
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]    --> src/sys/timerfd.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |         let temp: u64 = unsafe { mem::transmute(buf) };
[INFO] [stderr]     |                                  --------------^^^^^
[INFO] [stderr]     |                                  |
[INFO] [stderr]     |                                  help: replace this with: `u64::from_ne_bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stderr]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/epoll/event.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stderr]    |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/poll/event.rs:88:17
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]    |                 ^^^^^     ---- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stderr]    |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/channel.rs:158:21
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn try_iter(&self) -> TryIter<T> {
[INFO] [stderr]     |                     ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 158 |     pub fn try_iter(&self) -> TryIter<'_, T> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/slab.rs:581:17
[INFO] [stderr]     |
[INFO] [stderr] 581 |     pub fn iter(&self) -> Iter<T> {
[INFO] [stderr]     |                 ^^^^^     ------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 581 |     pub fn iter(&self) -> Iter<'_, T> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/slab.rs:613:21
[INFO] [stderr]     |
[INFO] [stderr] 613 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stderr]     |                     ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 613 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/slab.rs:815:25
[INFO] [stderr]     |
[INFO] [stderr] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<T> {
[INFO] [stderr]     |                         ^^^^^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 815 |     pub fn vacant_entry(&mut self) -> VacantEntry<'_, T> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/slab.rs:966:18
[INFO] [stderr]     |
[INFO] [stderr] 966 |     pub fn drain(&mut self) -> Drain<T> {
[INFO] [stderr]     |                  ^^^^^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 966 |     pub fn drain(&mut self) -> Drain<'_, T> {
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: the type `LruEntry<K, V>` does not permit being left uninitialized
[INFO] [stderr]   --> src/plus/lru_cache.rs:66:51
[INFO] [stderr]    |
[INFO] [stderr] 66 |             head: unsafe{ mem::transmute(Box::new(mem::MaybeUninit::<LruEntry<K, V>>::uninit().assume_init())) },
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stderr]    |
[INFO] [stderr] note: raw pointers must be initialized (in this struct field)
[INFO] [stderr]   --> src/plus/lru_cache.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     next: *mut LruEntry<K, V>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/ttl_cache.rs:432:18
[INFO] [stderr]     |
[INFO] [stderr] 432 |     pub fn entry(&mut self, k: K) -> Entry<K, V> {
[INFO] [stderr]     |                  ^^^^^^^^^           ----------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 432 |     pub fn entry(&mut self, k: K) -> Entry<'_, K, V> {
[INFO] [stderr]     |                                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/ttl_cache.rs:469:17
[INFO] [stderr]     |
[INFO] [stderr] 469 |     pub fn iter(&mut self) -> Iter<K, V> {
[INFO] [stderr]     |                 ^^^^^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 469 |     pub fn iter(&mut self) -> Iter<'_, K, V> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/plus/ttl_cache.rs:504:21
[INFO] [stderr]     |
[INFO] [stderr] 504 |     pub fn iter_mut(&mut self) -> IterMut<K, V> {
[INFO] [stderr]     |                     ^^^^^^^^^     ------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 504 |     pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `queen-io` (lib) generated 33 warnings (run `cargo fix --lib -p queen-io` to apply 1 suggestion)
[INFO] [stderr] warning: `queen-io` (lib test) generated 33 warnings (33 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/queen_io-b99c0da2791804e5)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test plus::mpsc_queue::tests::test_full ... ok
[INFO] [stdout] test plus::spsc_queue::tests::peek ... ok
[INFO] [stdout] test plus::spsc_queue::tests::drop_full ... ok
[INFO] [stdout] test plus::spsc_queue::tests::smoke ... ok
[INFO] [stdout] test plus::spsc_queue::tests::smoke_bound ... ok
[INFO] [stdout] test sys::eventfd::test::write_and_read ... ok
[INFO] [stdout] test sys::eventfd::test::write_block ... ok
[INFO] [stdout] test plus::mpsc_queue::tests::test ... ok
[INFO] [stdout] test plus::spsc_queue::tests::stress ... ok
[INFO] [stdout] test plus::mpmc_queue::tests::test ... ok
[INFO] [stdout] test plus::block_queue::tests::timeout ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests queen_io
[INFO] [stdout] 
[INFO] [stdout] running 56 tests
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::capacity (line 240) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab (line 21) ... ok
[INFO] [stdout] test src/plus/lru_cache.rs - plus::lru_cache::LruCache<K,V>::get (line 124) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::compact (line 437) ... ok
[INFO] [stdout] test src/plus/lru_cache.rs - plus::lru_cache::LruCache<K,V>::pop (line 158) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T> (line 1045) ... ok
[INFO] [stdout] test src/plus/lru_cache.rs - plus::lru_cache::LruCache<K,V>::put (line 79) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::compact (line 420) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab (line 38) ... ok
[INFO] [stdout] test src/plus/lru_cache.rs - plus::lru_cache::LruCache<K,V>::new (line 58) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::clear (line 506) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::drain (line 947) ... ok
[INFO] [stdout] test src/plus/lru_cache.rs - plus::lru_cache::LruCache<K,V>::capacity (line 180) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T> (line 1033) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::get_mut (line 649) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::get_unchecked (line 673) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab (line 59) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::get (line 627) ... ok
[INFO] [stdout] test src/plus/lru_cache.rs - plus::lru_cache::LruCache<K,V>::change_capacity (line 194) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::get_unchecked_mut (line 696) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::contains (line 881) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::remove (line 848) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::key_of (line 729) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::is_empty (line 545) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::iter (line 566) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::insert (line 778) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::key_of (line 741) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::iter_mut (line 597) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::with_capacity (line 213) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::reserve (line 268) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::reserve_exact (line 302) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::VacantEntry<'a,T>::insert (line 1160) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::shrink_to_fit (line 344) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::vacant_entry (line 800) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::shrink_to_fit (line 329) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::capacity (line 374) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::iter (line 455) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::OccupiedEntry<'a,K,V>::key (line 58) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::len (line 527) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::iter_mut (line 480) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::new (line 193) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::contains_key (line 219) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::VacantEntry (line 137) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::get_mut (line 306) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::Slab<T>::retain (line 907) ... ok
[INFO] [stdout] test src/plus/slab.rs - plus::slab::VacantEntry<'a,T>::key (line 1190) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::VacantEntry<'a,K,V>::key (line 107) ... ok
[INFO] [stdout] test src/sys/timerfd.rs - sys::timerfd::TimerFd::create (line 107) ... ok
[INFO] [stdout] test src/sys/timerfd.rs - sys::timerfd::TimerFd::new (line 92) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V>::new (line 181) ... ok
[INFO] [stdout] test src/sys/timerfd.rs - sys::timerfd::TimerFd::gettime (line 169) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::get (line 267) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::set_capacity (line 390) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::insert (line 241) ... ok
[INFO] [stdout] test src/sys/timerfd.rs - sys::timerfd::TimerFd::settime (line 125) ... ok
[INFO] [stdout] test src/plus/ttl_cache.rs - plus::ttl_cache::TtlCache<K,V,S>::remove (line 348) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d76bdb42e476a8fe943d354bc3e5778bc421a241f9498620d0ba11ada3687269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76bdb42e476a8fe943d354bc3e5778bc421a241f9498620d0ba11ada3687269", kill_on_drop: false }`
[INFO] [stdout] d76bdb42e476a8fe943d354bc3e5778bc421a241f9498620d0ba11ada3687269
