[INFO] cloning repository https://github.com/Oceanbao/stockrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Oceanbao/stockrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOceanbao%2Fstockrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOceanbao%2Fstockrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c2e6dc707e7b595ad2490bd67c0ca3a915670bc
[INFO] building Oceanbao/stockrs against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOceanbao%2Fstockrs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Oceanbao/stockrs
[INFO] finished tweaking git repo https://github.com/Oceanbao/stockrs
[INFO] tweaked toml for git repo https://github.com/Oceanbao/stockrs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Oceanbao/stockrs on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Oceanbao/stockrs 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] warning: method `detach` is never used
[INFO] [stdout]    --> src/guide/asyncer.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | trait Observable {
[INFO] [stdout]     |       ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn detach(&mut self, observer: Self::Observer);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Quicksort` is never used
[INFO] [stdout]  --> src/guide/quicksort.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Quicksort {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partition` is never used
[INFO] [stdout]   --> src/guide/quicksort.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn partition<T: std::cmp::PartialOrd + Clone>(slice: &mut [T]) -> (&mut [T], &mut [T]) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/iters.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/iters.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn peek_front(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn peek_front(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn peek_back(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                  ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn peek_back(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn peek_back_mut(&mut self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                      ^^^^^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn peek_back_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn peek_front_mut(&mut self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                       ^^^^^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn peek_front_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Extension`, `Form`, `FromRequest`, `Html`, `Json`, `Next`, `Path`, `Query`, `RequestExt`, `delete`, `post`, and `self`
[INFO] [stdout]   --> src/main.rs:5:15
[INFO] [stdout]    |
[INFO] [stdout]  5 |     extract::{Extension, FromRequest, MatchedPath, Path, Query, Request},
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^^^^^^^^               ^^^^  ^^^^^
[INFO] [stdout]  6 |     http::{HeaderMap, StatusCode},
[INFO] [stdout]  7 |     middleware::{self, Next},
[INFO] [stdout]    |                  ^^^^  ^^^^
[INFO] [stdout]  8 |     response::{Html, IntoResponse, Response},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]  9 |     routing::{delete, get, post},
[INFO] [stdout]    |               ^^^^^^       ^^^^
[INFO] [stdout] 10 |     BoxError,
[INFO] [stdout] 11 |     Form,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     Json,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     RequestExt,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let pool = get_database_pool(&url).await?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "c4d765a577ed3ffef590bf89ca57498d8ac41317979108ea82ae6172ca3fc8ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d765a577ed3ffef590bf89ca57498d8ac41317979108ea82ae6172ca3fc8ee", kill_on_drop: false }`
[INFO] [stdout] c4d765a577ed3ffef590bf89ca57498d8ac41317979108ea82ae6172ca3fc8ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c4f9b778161ab49afa8dd94ef698f036025b889f3ac892e6ea8e585ee67562
[INFO] running `Command { std: "docker" "start" "-a" "93c4f9b778161ab49afa8dd94ef698f036025b889f3ac892e6ea8e585ee67562", kill_on_drop: false }`
[INFO] [stderr]    Compiling stockrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `detach` is never used
[INFO] [stdout]    --> src/guide/asyncer.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | trait Observable {
[INFO] [stdout]     |       ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn detach(&mut self, observer: Self::Observer);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Quicksort` is never used
[INFO] [stdout]  --> src/guide/quicksort.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Quicksort {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partition` is never used
[INFO] [stdout]   --> src/guide/quicksort.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn partition<T: std::cmp::PartialOrd + Clone>(slice: &mut [T]) -> (&mut [T], &mut [T]) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/iters.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/iters.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn peek_front(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn peek_front(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn peek_back(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                  ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn peek_back(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn peek_back_mut(&mut self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                      ^^^^^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn peek_back_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn peek_front_mut(&mut self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                       ^^^^^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn peek_front_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Extension`, `Form`, `FromRequest`, `Html`, `Json`, `Next`, `Path`, `Query`, `RequestExt`, `delete`, `post`, and `self`
[INFO] [stdout]   --> src/main.rs:5:15
[INFO] [stdout]    |
[INFO] [stdout]  5 |     extract::{Extension, FromRequest, MatchedPath, Path, Query, Request},
[INFO] [stdout]    |               ^^^^^^^^^  ^^^^^^^^^^^               ^^^^  ^^^^^
[INFO] [stdout]  6 |     http::{HeaderMap, StatusCode},
[INFO] [stdout]  7 |     middleware::{self, Next},
[INFO] [stdout]    |                  ^^^^  ^^^^
[INFO] [stdout]  8 |     response::{Html, IntoResponse, Response},
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]  9 |     routing::{delete, get, post},
[INFO] [stdout]    |               ^^^^^^       ^^^^
[INFO] [stdout] 10 |     BoxError,
[INFO] [stdout] 11 |     Form,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     Json,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     RequestExt,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pool`
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let pool = get_database_pool(&url).await?;
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `detach` is never used
[INFO] [stdout]    --> src/guide/asyncer.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | trait Observable {
[INFO] [stdout]     |       ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn detach(&mut self, observer: Self::Observer);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Quicksort` is never used
[INFO] [stdout]  --> src/guide/quicksort.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Quicksort {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partition` is never used
[INFO] [stdout]   --> src/guide/quicksort.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn partition<T: std::cmp::PartialOrd + Clone>(slice: &mut [T]) -> (&mut [T], &mut [T]) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/iters.rs:181:13
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn iter(&self) -> Iter<T> {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn iter(&self) -> Iter<'_, T> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/iters.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn iter_mut(&mut self) -> IterMut<T> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn peek_front(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn peek_front(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn peek_back(&self) -> Option<Ref<T>> {
[INFO] [stdout]     |                  ^^^^^            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn peek_back(&self) -> Option<Ref<'_, T>> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:118:22
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn peek_back_mut(&mut self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                      ^^^^^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn peek_back_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/guide/linkedlist_double.rs:124:23
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn peek_front_mut(&mut self) -> Option<RefMut<T>> {
[INFO] [stdout]     |                       ^^^^^^^^^            ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn peek_front_mut(&mut self) -> Option<RefMut<'_, T>> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "93c4f9b778161ab49afa8dd94ef698f036025b889f3ac892e6ea8e585ee67562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c4f9b778161ab49afa8dd94ef698f036025b889f3ac892e6ea8e585ee67562", kill_on_drop: false }`
[INFO] [stdout] 93c4f9b778161ab49afa8dd94ef698f036025b889f3ac892e6ea8e585ee67562
