[INFO] fetching crate pingora-cache 0.6.0...
[INFO] checking pingora-cache-0.6.0 against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] extracting crate pingora-cache 0.6.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pingora-cache 0.6.0
[INFO] finished tweaking crates.io crate pingora-cache 0.6.0
[INFO] tweaked toml for crates.io crate pingora-cache 0.6.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pingora-cache 0.6.0 on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pingora-cache 0.6.0 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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b39cdd0703296d435719a1939888bd36213f02b38182d57903c5315ef935f518
[INFO] running `Command { std: "docker" "start" "-a" "b39cdd0703296d435719a1939888bd36213f02b38182d57903c5315ef935f518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b39cdd0703296d435719a1939888bd36213f02b38182d57903c5315ef935f518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b39cdd0703296d435719a1939888bd36213f02b38182d57903c5315ef935f518", kill_on_drop: false }`
[INFO] [stdout] b39cdd0703296d435719a1939888bd36213f02b38182d57903c5315ef935f518
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 909508e354ea19a736d459ac00f74aaab7edbc291d7ec648222299fd23a9dfbe
[INFO] running `Command { std: "docker" "start" "-a" "909508e354ea19a736d459ac00f74aaab7edbc291d7ec648222299fd23a9dfbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling rust_decimal v1.37.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]     Checking pingora-error v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pingora-http v0.6.0
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[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling cc v1.2.31
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking pingora-lru v0.6.0
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[INFO] [stderr]     Checking thousands v0.2.0
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[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking brotli v3.5.0
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling libz-ng-sys v1.1.22
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking tokio-util v0.7.15
[INFO] [stderr]     Checking pingora-timeout v0.6.0
[INFO] [stderr]     Checking pingora-runtime v0.6.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking pingora-pool v0.6.0
[INFO] [stderr]     Checking cf-rustracing v1.1.0
[INFO] [stderr]     Checking thrift_codec v0.2.0
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde_json v1.0.142
[INFO] [stderr]     Checking rmp-serde v1.3.0
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking h2 v0.4.11
[INFO] [stderr]     Checking dhat v0.3.3
[INFO] [stderr]    Compiling neli-proc-macros v0.1.4
[INFO] [stderr]     Checking zstd v0.13.3
[INFO] [stderr]     Checking pingora-header-serde v0.6.0
[INFO] [stderr]     Checking neli v0.6.5
[INFO] [stderr]     Checking local-ip-address v0.5.7
[INFO] [stderr]     Checking cf-rustracing-jaeger v1.2.0
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking pingora-core v0.6.0
[INFO] [stderr]     Checking pingora-cache v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lock.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type CacheKeyLockImpl = (dyn CacheKeyLock + Send + Sync);
[INFO] [stdout]    |                             ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - pub type CacheKeyLockImpl = (dyn CacheKeyLock + Send + Sync);
[INFO] [stdout] 23 + pub type CacheKeyLockImpl = dyn CacheKeyLock + Send + Sync;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/storage.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub type HitHandler = Box<(dyn HandleHit + Sync + Send)>;
[INFO] [stdout]     |                           ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 - pub type HitHandler = Box<(dyn HandleHit + Sync + Send)>;
[INFO] [stdout] 160 + pub type HitHandler = Box<dyn HandleHit + Sync + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/storage.rs:200:28
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub type MissHandler = Box<(dyn HandleMiss + Sync + Send)>;
[INFO] [stdout]     |                            ^                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 - pub type MissHandler = Box<(dyn HandleMiss + Sync + Send)>;
[INFO] [stdout] 200 + pub type MissHandler = Box<dyn HandleMiss + Sync + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lock.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type CacheKeyLockImpl = (dyn CacheKeyLock + Send + Sync);
[INFO] [stdout]    |                             ^                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 - pub type CacheKeyLockImpl = (dyn CacheKeyLock + Send + Sync);
[INFO] [stdout] 23 + pub type CacheKeyLockImpl = dyn CacheKeyLock + Send + Sync;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/storage.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub type HitHandler = Box<(dyn HandleHit + Sync + Send)>;
[INFO] [stdout]     |                           ^                           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 160 - pub type HitHandler = Box<(dyn HandleHit + Sync + Send)>;
[INFO] [stdout] 160 + pub type HitHandler = Box<dyn HandleHit + Sync + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/storage.rs:200:28
[INFO] [stdout]     |
[INFO] [stdout] 200 | pub type MissHandler = Box<(dyn HandleMiss + Sync + Send)>;
[INFO] [stdout]     |                            ^                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 200 - pub type MissHandler = Box<(dyn HandleMiss + Sync + Send)>;
[INFO] [stdout] 200 + pub type MissHandler = Box<dyn HandleMiss + Sync + Send>;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache_control.rs:258:24
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn get_field_names(&self, key: &str) -> Option<ListValueIter> {
[INFO] [stdout]     |                        ^^^^^                       ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn get_field_names(&self, key: &str) -> Option<ListValueIter<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache_control.rs:267:32
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn private_field_names(&self) -> Option<ListValueIter> {
[INFO] [stdout]     |                                ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn private_field_names(&self) -> Option<ListValueIter<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache_control.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn no_cache_field_names(&self) -> Option<ListValueIter> {
[INFO] [stdout]     |                                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn no_cache_field_names(&self) -> Option<ListValueIter<'_>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hashtable.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn read(&self, key: u128) -> RwLockReadGuard<HashMap<u128, V>> {
[INFO] [stdout]    |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn read(&self, key: u128) -> RwLockReadGuard<'_, HashMap<u128, V>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hashtable.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<HashMap<u128, V>> {
[INFO] [stdout]    |                  ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<'_, HashMap<u128, V>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hashtable.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn read(&self, key: u128) -> RwLockReadGuard<LruCache<u128, V>> {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn read(&self, key: u128) -> RwLockReadGuard<'_, LruCache<u128, V>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hashtable.rs:120:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<LruCache<u128, V>> {
[INFO] [stdout]     |                  ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<'_, LruCache<u128, V>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache_control.rs:258:24
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn get_field_names(&self, key: &str) -> Option<ListValueIter> {
[INFO] [stdout]     |                        ^^^^^                       ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn get_field_names(&self, key: &str) -> Option<ListValueIter<'_>> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache_control.rs:267:32
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn private_field_names(&self) -> Option<ListValueIter> {
[INFO] [stdout]     |                                ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn private_field_names(&self) -> Option<ListValueIter<'_>> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/cache_control.rs:277:33
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn no_cache_field_names(&self) -> Option<ListValueIter> {
[INFO] [stdout]     |                                 ^^^^^            ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                 |
[INFO] [stdout]     |                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 277 |     pub fn no_cache_field_names(&self) -> Option<ListValueIter<'_>> {
[INFO] [stdout]     |                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hashtable.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn read(&self, key: u128) -> RwLockReadGuard<HashMap<u128, V>> {
[INFO] [stdout]    |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn read(&self, key: u128) -> RwLockReadGuard<'_, HashMap<u128, V>> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/hashtable.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<HashMap<u128, V>> {
[INFO] [stdout]    |                  ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<'_, HashMap<u128, V>> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hashtable.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn read(&self, key: u128) -> RwLockReadGuard<LruCache<u128, V>> {
[INFO] [stdout]     |                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn read(&self, key: u128) -> RwLockReadGuard<'_, LruCache<u128, V>> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hashtable.rs:120:18
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<LruCache<u128, V>> {
[INFO] [stdout]     |                  ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn write(&self, key: u128) -> RwLockWriteGuard<'_, LruCache<u128, V>> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.28s
[INFO] running `Command { std: "docker" "inspect" "909508e354ea19a736d459ac00f74aaab7edbc291d7ec648222299fd23a9dfbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909508e354ea19a736d459ac00f74aaab7edbc291d7ec648222299fd23a9dfbe", kill_on_drop: false }`
[INFO] [stdout] 909508e354ea19a736d459ac00f74aaab7edbc291d7ec648222299fd23a9dfbe
