[INFO] fetching crate leaderboard 0.1.2...
[INFO] testing leaderboard-0.1.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate leaderboard 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate leaderboard 0.1.2
[INFO] finished tweaking crates.io crate leaderboard 0.1.2
[INFO] tweaked toml for crates.io crate leaderboard 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leaderboard 0.1.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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_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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b7ba917a8d7d45047baa9b7ad997c0167584c78f3929f2a9c233cf7e5744dda
[INFO] running `Command { std: "docker" "start" "-a" "7b7ba917a8d7d45047baa9b7ad997c0167584c78f3929f2a9c233cf7e5744dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b7ba917a8d7d45047baa9b7ad997c0167584c78f3929f2a9c233cf7e5744dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7ba917a8d7d45047baa9b7ad997c0167584c78f3929f2a9c233cf7e5744dda", kill_on_drop: false }`
[INFO] [stdout] 7b7ba917a8d7d45047baa9b7ad997c0167584c78f3929f2a9c233cf7e5744dda
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62184483a5238c5b8f4f2ef94dd3340742dabf61d1a66ab62bdc23b56e6919b
[INFO] running `Command { std: "docker" "start" "-a" "b62184483a5238c5b8f4f2ef94dd3340742dabf61d1a66ab62bdc23b56e6919b", kill_on_drop: false }`
[INFO] [stderr]    Compiling leaderboard v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/leaderboard_trait.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn iter_ranked(&self) -> RankedIter<E>;
[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] 5 |     fn iter_ranked(&self) -> RankedIter<'_, E>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/leaderboard_trait.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E>;
[INFO] [stdout]   |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E>;
[INFO] [stdout]   |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/leaderboard_trait.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter_ranked(&self) -> RankedIter<E> {
[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] 13 |     fn iter_ranked(&self) -> RankedIter<'_, E> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/leaderboard_trait.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E> {
[INFO] [stdout]    |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "b62184483a5238c5b8f4f2ef94dd3340742dabf61d1a66ab62bdc23b56e6919b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62184483a5238c5b8f4f2ef94dd3340742dabf61d1a66ab62bdc23b56e6919b", kill_on_drop: false }`
[INFO] [stdout] b62184483a5238c5b8f4f2ef94dd3340742dabf61d1a66ab62bdc23b56e6919b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d2d5c521db76d35eec72ee57a4403b7b3a2014ee7abecd15e2522a36f4d31bb
[INFO] running `Command { std: "docker" "start" "-a" "3d2d5c521db76d35eec72ee57a4403b7b3a2014ee7abecd15e2522a36f4d31bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling leaderboard v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/leaderboard_trait.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn iter_ranked(&self) -> RankedIter<E>;
[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] 5 |     fn iter_ranked(&self) -> RankedIter<'_, E>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/leaderboard_trait.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E>;
[INFO] [stdout]   |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E>;
[INFO] [stdout]   |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/leaderboard_trait.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter_ranked(&self) -> RankedIter<E> {
[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] 13 |     fn iter_ranked(&self) -> RankedIter<'_, E> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/leaderboard_trait.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E> {
[INFO] [stdout]    |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/leaderboard_trait.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn iter_ranked(&self) -> RankedIter<E>;
[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] 5 |     fn iter_ranked(&self) -> RankedIter<'_, E>;
[INFO] [stdout]   |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/leaderboard_trait.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E>;
[INFO] [stdout]   |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E>;
[INFO] [stdout]   |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/leaderboard_trait.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter_ranked(&self) -> RankedIter<E> {
[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] 13 |     fn iter_ranked(&self) -> RankedIter<'_, E> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/leaderboard_trait.rs:19:22
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E> {
[INFO] [stdout]    |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E> {
[INFO] [stdout]    |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3d2d5c521db76d35eec72ee57a4403b7b3a2014ee7abecd15e2522a36f4d31bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2d5c521db76d35eec72ee57a4403b7b3a2014ee7abecd15e2522a36f4d31bb", kill_on_drop: false }`
[INFO] [stdout] 3d2d5c521db76d35eec72ee57a4403b7b3a2014ee7abecd15e2522a36f4d31bb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3429eaa0d30d09da2b70b4253f3332a31f2106a22aa9e0f233d2c1683b048464
[INFO] running `Command { std: "docker" "start" "-a" "3429eaa0d30d09da2b70b4253f3332a31f2106a22aa9e0f233d2c1683b048464", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/leaderboard_trait.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn iter_ranked(&self) -> RankedIter<E>;
[INFO] [stderr]   |                    ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                    |
[INFO] [stderr]   |                    the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 5 |     fn iter_ranked(&self) -> RankedIter<'_, E>;
[INFO] [stderr]   |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/leaderboard_trait.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E>;
[INFO] [stderr]   |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E>;
[INFO] [stderr]   |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/leaderboard_trait.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn iter_ranked(&self) -> RankedIter<E> {
[INFO] [stderr]    |                    ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn iter_ranked(&self) -> RankedIter<'_, E> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/leaderboard_trait.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<E> {
[INFO] [stderr]    |                      ^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn iter_sections(&self, ranges: Vec<Range<usize>>) -> SectionsIter<'_, E> {
[INFO] [stderr]    |                                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: `leaderboard` (lib) generated 4 warnings (run `cargo fix --lib -p leaderboard` to apply 4 suggestions)
[INFO] [stderr] warning: `leaderboard` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leaderboard-f85da105f08a5027)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leaderboard
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3429eaa0d30d09da2b70b4253f3332a31f2106a22aa9e0f233d2c1683b048464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3429eaa0d30d09da2b70b4253f3332a31f2106a22aa9e0f233d2c1683b048464", kill_on_drop: false }`
[INFO] [stdout] 3429eaa0d30d09da2b70b4253f3332a31f2106a22aa9e0f233d2c1683b048464
