[INFO] cloning repository https://github.com/JojiiOfficial/KanjiSRS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JojiiOfficial/KanjiSRS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJojiiOfficial%2FKanjiSRS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJojiiOfficial%2FKanjiSRS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9339e0c74e3b3959c6dcc0a070693b90697a2cf
[INFO] linting JojiiOfficial/KanjiSRS against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJojiiOfficial%2FKanjiSRS" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JojiiOfficial/KanjiSRS
[INFO] finished tweaking git repo https://github.com/JojiiOfficial/KanjiSRS
[INFO] tweaked toml for git repo https://github.com/JojiiOfficial/KanjiSRS written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JojiiOfficial/KanjiSRS on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JojiiOfficial/KanjiSRS 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term-table v1.3.2
[INFO] [stderr]   Downloaded proc-lock-macro v0.4.0
[INFO] [stderr]   Downloaded darling v0.13.2
[INFO] [stderr]   Downloaded open v2.0.2
[INFO] [stderr]   Downloaded darling_macro v0.13.2
[INFO] [stderr]   Downloaded proc-lock v0.4.0
[INFO] [stderr]   Downloaded darling_core v0.13.2
[INFO] [stderr]   Downloaded proc-lock-api v0.4.0
[INFO] [stderr]   Downloaded libc v0.2.114
[INFO] [stderr]   Downloaded clap v3.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e532326b793551683d0d38f055b0a7cc952962b87dc959c5150b64060b503f69
[INFO] running `Command { std: "docker" "start" "-a" "e532326b793551683d0d38f055b0a7cc952962b87dc959c5150b64060b503f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e532326b793551683d0d38f055b0a7cc952962b87dc959c5150b64060b503f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e532326b793551683d0d38f055b0a7cc952962b87dc959c5150b64060b503f69", kill_on_drop: false }`
[INFO] [stdout] e532326b793551683d0d38f055b0a7cc952962b87dc959c5150b64060b503f69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aa23be330081c7b1a2df04c8bd944c5fb9f5a97520c297a1b25d3b8ba99097f
[INFO] running `Command { std: "docker" "start" "-a" "0aa23be330081c7b1a2df04c8bd944c5fb9f5a97520c297a1b25d3b8ba99097f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking term-table v1.3.2
[INFO] [stderr]     Checking open v2.0.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v3.0.12
[INFO] [stderr]     Checking proc-lock-api v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling darling_core v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling darling_macro v0.13.2
[INFO] [stderr]    Compiling darling v0.13.2
[INFO] [stderr]    Compiling proc-lock-macro v0.4.0
[INFO] [stderr]     Checking proc-lock v0.4.0
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking kanji_srs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: empty line after outer attribute
[INFO] [stdout]    --> src/japanese.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 | /     #[inline]
[INFO] [stdout] 235 | |
[INFO] [stdout]     | |_^
[INFO] [stdout] 236 |       fn is_small_katakana(&self) -> bool {
[INFO] [stdout]     |       -------------------- the attribute applies to this function
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_outer_attr
[INFO] [stdout]     = note: `#[warn(clippy::empty_line_after_outer_attr)]` on by default
[INFO] [stdout]     = help: if the empty line is unintentional, remove it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty line after outer attribute
[INFO] [stdout]    --> src/japanese.rs:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 | /     #[inline]
[INFO] [stdout] 235 | |
[INFO] [stdout]     | |_^
[INFO] [stdout] 236 |       fn is_small_katakana(&self) -> bool {
[INFO] [stdout]     |       -------------------- the attribute applies to this function
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#empty_line_after_outer_attr
[INFO] [stdout]     = note: `#[warn(clippy::empty_line_after_outer_attr)]` on by default
[INFO] [stdout]     = help: if the empty line is unintentional, remove it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/cli/info.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         next.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 11 -         next.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout] 11 +         next.sort_by_key(|a| a.id);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u64` -> `u64`)
[INFO] [stdout]   --> src/cli/info.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |         .filter(|i| i.due_on as u64 > tomorrow_time)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^ help: try: `i.due_on`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/cli/info.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 44 -     future.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout] 44 +     future.sort_by_key(|a| a.id);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/cli/info.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     future.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 45 -     future.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout] 45 +     future.sort_by_key(|a| a.due_on);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]    --> src/cli/info.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     srs_items.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 101 -     srs_items.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout] 101 +     srs_items.sort_by_key(|a| a.due_on);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]    --> src/japanese.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         self.chars().into_iter().filter(|i| i.is_kanji()).count()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `self.chars()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | //! successfully recalled in a row since the last time
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout]    = note: `#[warn(clippy::doc_lazy_continuation)]` on by default
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 10 | //!   successfully recalled in a row since the last time
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! it was not.
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 11 | //!   it was not.
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | //! the number of days to wait before doing a review again
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 14 | //!   the number of days to wait before doing a review again
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | //! how quickly the inter-repetition interval grows
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 17 | //!   how quickly the inter-repetition interval grows
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/cli/info.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         next.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 11 -         next.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout] 11 +         next.sort_by_key(|a| a.id);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u64` -> `u64`)
[INFO] [stdout]   --> src/cli/info.rs:42:21
[INFO] [stdout]    |
[INFO] [stdout] 42 |         .filter(|i| i.due_on as u64 > tomorrow_time)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^ help: try: `i.due_on`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/cli/info.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     future.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 44 -     future.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout] 44 +     future.sort_by_key(|a| a.id);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> src/cli/info.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     future.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 45 -     future.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout] 45 +     future.sort_by_key(|a| a.due_on);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]    --> src/cli/info.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     srs_items.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 101 -     srs_items.sort_by(|a, b| a.due_on.cmp(&b.due_on));
[INFO] [stdout] 101 +     srs_items.sort_by_key(|a| a.due_on);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/sm2.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             1 => return 1,
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 182 -             1 => return 1,
[INFO] [stdout] 182 +             1 => 1,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/sm2.rs:183:18
[INFO] [stdout]     |
[INFO] [stdout] 183 |             2 => return 6,
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 183 -             2 => return 6,
[INFO] [stdout] 183 +             2 => 6,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/storage/item.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         return Some(item_storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 121 -         return Some(item_storage);
[INFO] [stdout] 121 +         Some(item_storage)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u64` -> `u64`)
[INFO] [stdout]    --> src/storage/srs.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let due = i.1.due_on as u64;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: try: `i.1.due_on`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]    --> src/storage/srs.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         due.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 105 -         due.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout] 105 +         due.sort_by_key(|a| a.id);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]    --> src/japanese.rs:226:9
[INFO] [stdout]     |
[INFO] [stdout] 226 |         self.chars().into_iter().filter(|i| i.is_kanji()).count()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `self.chars()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `bool::then` in `filter_map`
[INFO] [stdout]    --> src/storage/srs.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter_map(|i| (!i.1.in_learning).then(|| *i.0))
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `filter` then `map` instead: `filter(|&i| (!i.1.in_learning)).map(|i| *i.0)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_map_bool_then
[INFO] [stdout]     = note: `#[warn(clippy::filter_map_bool_then)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used with `bool::then`
[INFO] [stdout]    --> src/storage/srs.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter_map(|i| (!i.1.in_learning).then(|| *i.0))
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `then_some` instead
[INFO] [stdout]     |
[INFO] [stdout] 114 -             .filter_map(|i| (!i.1.in_learning).then(|| *i.0))
[INFO] [stdout] 114 +             .filter_map(|i| (!i.1.in_learning).then_some(*i.0))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | //! successfully recalled in a row since the last time
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout]    = note: `#[warn(clippy::doc_lazy_continuation)]` on by default
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 10 | //!   successfully recalled in a row since the last time
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! it was not.
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 11 | //!   it was not.
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | //! the number of days to wait before doing a review again
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 14 | //!   the number of days to wait before doing a review again
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: doc list item without indentation
[INFO] [stdout]   --> src/sm2.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | //! how quickly the inter-repetition interval grows
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if this is supposed to be its own paragraph, add a blank line
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#doc_lazy_continuation
[INFO] [stdout] help: indent this line
[INFO] [stdout]    |
[INFO] [stdout] 17 | //!   how quickly the inter-repetition interval grows
[INFO] [stdout]    |     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/storage/srs.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         return Some(item_storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 144 -         return Some(item_storage);
[INFO] [stdout] 144 +         Some(item_storage)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/storage/mod.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | /         let success =
[INFO] [stdout] 128 | |             self.item_storage.remove_item(item.id) && self.srs_storage.remove(item.id).is_some();
[INFO] [stdout]     | |_________________________________________________________________________________________________- unnecessary `let` binding
[INFO] [stdout] 129 |
[INFO] [stdout] 130 |           success
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 127 ~         
[INFO] [stdout] 128 |
[INFO] [stdout] 129 ~         self.item_storage.remove_item(item.id) && self.srs_storage.remove(item.id).is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/storage/mod.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |             .any(|item| !self.srs_storage.find(item.id).is_some());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.srs_storage.find(item.id).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/storage/mod.rs:190:22
[INFO] [stdout]     |
[INFO] [stdout] 190 |             .any(|i| !self.item_storage.item_by_id(i.id).is_some());
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.item_storage.item_by_id(i.id).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/sm2.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             1 => return 1,
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 182 -             1 => return 1,
[INFO] [stdout] 182 +             1 => 1,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/sm2.rs:183:18
[INFO] [stdout]     |
[INFO] [stdout] 183 |             2 => return 6,
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 183 -             2 => return 6,
[INFO] [stdout] 183 +             2 => 6,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/mod.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn get_by_lit(&self, literal: char) -> Option<Item> {
[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] 71 |     pub fn get_by_lit(&self, literal: char) -> Option<Item<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/mod.rs:78:22
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_by_id(&self, id: u32) -> Option<Item> {
[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] 78 |     pub fn get_by_id(&self, id: u32) -> Option<Item<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage/mod.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn iter(&self) -> impl Iterator<Item = Item> {
[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] 104 |     pub fn iter(&self) -> impl Iterator<Item = Item<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/storage/item.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         return Some(item_storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 121 -         return Some(item_storage);
[INFO] [stdout] 121 +         Some(item_storage)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u64` -> `u64`)
[INFO] [stdout]    --> src/storage/srs.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 let due = i.1.due_on as u64;
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^ help: try: `i.1.due_on`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]    --> src/storage/srs.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         due.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 105 -         due.sort_by(|a, b| a.id.cmp(&b.id));
[INFO] [stdout] 105 +         due.sort_by_key(|a| a.id);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `bool::then` in `filter_map`
[INFO] [stdout]    --> src/storage/srs.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter_map(|i| (!i.1.in_learning).then(|| *i.0))
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `filter` then `map` instead: `filter(|&i| (!i.1.in_learning)).map(|i| *i.0)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_map_bool_then
[INFO] [stdout]     = note: `#[warn(clippy::filter_map_bool_then)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used with `bool::then`
[INFO] [stdout]    --> src/storage/srs.rs:114:29
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter_map(|i| (!i.1.in_learning).then(|| *i.0))
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `then_some` instead
[INFO] [stdout]     |
[INFO] [stdout] 114 -             .filter_map(|i| (!i.1.in_learning).then(|| *i.0))
[INFO] [stdout] 114 +             .filter_map(|i| (!i.1.in_learning).then_some(*i.0))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/storage/srs.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         return Some(item_storage);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 144 -         return Some(item_storage);
[INFO] [stdout] 144 +         Some(item_storage)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/storage/mod.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 127 | /         let success =
[INFO] [stdout] 128 | |             self.item_storage.remove_item(item.id) && self.srs_storage.remove(item.id).is_some();
[INFO] [stdout]     | |_________________________________________________________________________________________________- unnecessary `let` binding
[INFO] [stdout] 129 |
[INFO] [stdout] 130 |           success
[INFO] [stdout]     |           ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 127 ~         
[INFO] [stdout] 128 |
[INFO] [stdout] 129 ~         self.item_storage.remove_item(item.id) && self.srs_storage.remove(item.id).is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/storage/mod.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |             .any(|item| !self.srs_storage.find(item.id).is_some());
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.srs_storage.find(item.id).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]     = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/storage/mod.rs:190:22
[INFO] [stdout]     |
[INFO] [stdout] 190 |             .any(|i| !self.item_storage.item_by_id(i.id).is_some());
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.item_storage.item_by_id(i.id).is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/mod.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn get_by_lit(&self, literal: char) -> Option<Item> {
[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] 71 |     pub fn get_by_lit(&self, literal: char) -> Option<Item<'_>> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/storage/mod.rs:78:22
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub fn get_by_id(&self, id: u32) -> Option<Item> {
[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] 78 |     pub fn get_by_id(&self, id: u32) -> Option<Item<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/storage/mod.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn iter(&self) -> impl Iterator<Item = Item> {
[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] 104 |     pub fn iter(&self) -> impl Iterator<Item = Item<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "0aa23be330081c7b1a2df04c8bd944c5fb9f5a97520c297a1b25d3b8ba99097f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa23be330081c7b1a2df04c8bd944c5fb9f5a97520c297a1b25d3b8ba99097f", kill_on_drop: false }`
[INFO] [stdout] 0aa23be330081c7b1a2df04c8bd944c5fb9f5a97520c297a1b25d3b8ba99097f