[INFO] fetching crate graphex 0.2.0...
[INFO] checking graphex-0.2.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate graphex 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate graphex 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate graphex 0.2.0
[INFO] tweaked toml for crates.io crate graphex 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphex 0.2.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate graphex 0.2.0 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b06d5b32ad0f4a59ab4e6c34d703cfb4715d1f8ae511a5d0c8529b487f39179
[INFO] running `Command { std: "docker" "start" "-a" "9b06d5b32ad0f4a59ab4e6c34d703cfb4715d1f8ae511a5d0c8529b487f39179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b06d5b32ad0f4a59ab4e6c34d703cfb4715d1f8ae511a5d0c8529b487f39179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b06d5b32ad0f4a59ab4e6c34d703cfb4715d1f8ae511a5d0c8529b487f39179", kill_on_drop: false }`
[INFO] [stdout] 9b06d5b32ad0f4a59ab4e6c34d703cfb4715d1f8ae511a5d0c8529b487f39179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3259d8677dcd7abe54c86efb1d6d2ce0d3d3591bc98636c4edb45ae0b703060a
[INFO] running `Command { std: "docker" "start" "-a" "3259d8677dcd7abe54c86efb1d6d2ce0d3d3591bc98636c4edb45ae0b703060a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling thiserror v1.0.68
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling thiserror-impl v1.0.68
[INFO] [stderr]     Checking graphex v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/display.rs:132:16
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn pad(&mut self) -> Output {
[INFO] [stdout]     |                ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn pad(&mut self) -> Output<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/display.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn clone(&mut self) -> Output {
[INFO] [stdout]     |                  ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn clone(&mut self) -> Output<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/explore.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]    |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/explore.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject, Option<&'k str>)> {
[INFO] [stdout]    |                    ^^^^^                           ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject<'_>, Option<&'k str>)> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:143:20
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject, Option<&'k str>)> {
[INFO] [stdout]     |                    ^^^^^                           ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject<'_>, Option<&'k str>)> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/display.rs:132:16
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn pad(&mut self) -> Output {
[INFO] [stdout]     |                ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn pad(&mut self) -> Output<'_> {
[INFO] [stdout]     |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/display.rs:140:18
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn clone(&mut self) -> Output {
[INFO] [stdout]     |                  ^^^^^^^^^     ------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub fn clone(&mut self) -> Output<'_> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/explore.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]    |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/explore.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject, Option<&'k str>)> {
[INFO] [stdout]    |                    ^^^^^                           ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject<'_>, Option<&'k str>)> {
[INFO] [stdout]    |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:143:20
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject, Option<&'k str>)> {
[INFO] [stdout]     |                    ^^^^^                           ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn explore<'k>(&self, key: &'k str) -> Result<(NodeObject<'_>, Option<&'k str>)> {
[INFO] [stdout]     |                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:194:13
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 194 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:224:13
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 224 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |         fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |                 ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 247 |         fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:272:17
[INFO] [stdout]     |
[INFO] [stdout] 272 |         fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |                 ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 272 |         fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/explore.rs:304:17
[INFO] [stdout]     |
[INFO] [stdout] 304 |         fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]     |                 ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 304 |         fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]     |                                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> examples/explore_fs.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]    |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> examples/explore_fs.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]    |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> examples/explore_fs.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn next(&self, key: &str) -> ExploreResult {
[INFO] [stdout]    |             ^^^^^                ------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn next(&self, key: &str) -> ExploreResult<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "3259d8677dcd7abe54c86efb1d6d2ce0d3d3591bc98636c4edb45ae0b703060a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3259d8677dcd7abe54c86efb1d6d2ce0d3d3591bc98636c4edb45ae0b703060a", kill_on_drop: false }`
[INFO] [stdout] 3259d8677dcd7abe54c86efb1d6d2ce0d3d3591bc98636c4edb45ae0b703060a