[INFO] fetching crate case_insensitive_hashmap 1.0.1...
[INFO] testing case_insensitive_hashmap-1.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate case_insensitive_hashmap 1.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate case_insensitive_hashmap 1.0.1
[INFO] finished tweaking crates.io crate case_insensitive_hashmap 1.0.1
[INFO] tweaked toml for crates.io crate case_insensitive_hashmap 1.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate case_insensitive_hashmap 1.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate case_insensitive_hashmap 1.0.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 701a437dd9b9d413dd7801b6a4e958fcc13f91311337970c4c82f3b79619cd1c
[INFO] running `Command { std: "docker" "start" "-a" "701a437dd9b9d413dd7801b6a4e958fcc13f91311337970c4c82f3b79619cd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701a437dd9b9d413dd7801b6a4e958fcc13f91311337970c4c82f3b79619cd1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701a437dd9b9d413dd7801b6a4e958fcc13f91311337970c4c82f3b79619cd1c", kill_on_drop: false }`
[INFO] [stdout] 701a437dd9b9d413dd7801b6a4e958fcc13f91311337970c4c82f3b79619cd1c
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71690a67181296076b99d0bce2bd4f3bb28e06c2c7336b5a22a90fbb15ec38f5
[INFO] running `Command { std: "docker" "start" "-a" "71690a67181296076b99d0bce2bd4f3bb28e06c2c7336b5a22a90fbb15ec38f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling case_insensitive_hashmap v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:221:18
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn drain(&mut self) -> Drain<Key, V> {
[INFO] [stdout]     |                  ^^^^^^^^^     ------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn drain(&mut self) -> Drain<'_, Key, V> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<Key, V> {
[INFO] [stdout]     |                                ^^^^^^^^^           ------------- the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<'_, Key, V> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:275:17
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn iter(&self) -> Iter<Key, V> {
[INFO] [stdout]     |                 ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn iter(&self) -> Iter<'_, Key, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn iter_mut(&mut self) -> IterMut<Key, V> {
[INFO] [stdout]     |                     ^^^^^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn iter_mut(&mut self) -> IterMut<'_, Key, V> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn keys(&self) -> Keys<Key, V> {
[INFO] [stdout]     |                 ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn keys(&self) -> Keys<'_, Key, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:340:19
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn values(&self) -> Values<Key, V> {
[INFO] [stdout]     |                   ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn values(&self) -> Values<'_, Key, V> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:345:23
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn values_mut(&mut self) -> ValuesMut<Key, V> {
[INFO] [stdout]     |                       ^^^^^^^^^     ----------------- the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn values_mut(&mut self) -> ValuesMut<'_, Key, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "71690a67181296076b99d0bce2bd4f3bb28e06c2c7336b5a22a90fbb15ec38f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71690a67181296076b99d0bce2bd4f3bb28e06c2c7336b5a22a90fbb15ec38f5", kill_on_drop: false }`
[INFO] [stdout] 71690a67181296076b99d0bce2bd4f3bb28e06c2c7336b5a22a90fbb15ec38f5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0cc6e9a49a6acacd9761aefcdcc4c46f32bf32c86fdb9939c2f2374ad5c22fe
[INFO] running `Command { std: "docker" "start" "-a" "f0cc6e9a49a6acacd9761aefcdcc4c46f32bf32c86fdb9939c2f2374ad5c22fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling case_insensitive_hashmap v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:221:18
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn drain(&mut self) -> Drain<Key, V> {
[INFO] [stdout]     |                  ^^^^^^^^^     ------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn drain(&mut self) -> Drain<'_, Key, V> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<Key, V> {
[INFO] [stdout]     |                                ^^^^^^^^^           ------------- the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<'_, Key, V> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:275:17
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn iter(&self) -> Iter<Key, V> {
[INFO] [stdout]     |                 ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn iter(&self) -> Iter<'_, Key, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn iter_mut(&mut self) -> IterMut<Key, V> {
[INFO] [stdout]     |                     ^^^^^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn iter_mut(&mut self) -> IterMut<'_, Key, V> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn keys(&self) -> Keys<Key, V> {
[INFO] [stdout]     |                 ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn keys(&self) -> Keys<'_, Key, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:340:19
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn values(&self) -> Values<Key, V> {
[INFO] [stdout]     |                   ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn values(&self) -> Values<'_, Key, V> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:345:23
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn values_mut(&mut self) -> ValuesMut<Key, V> {
[INFO] [stdout]     |                       ^^^^^^^^^     ----------------- the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn values_mut(&mut self) -> ValuesMut<'_, Key, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:221:18
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn drain(&mut self) -> Drain<Key, V> {
[INFO] [stdout]     |                  ^^^^^^^^^     ------------- the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn drain(&mut self) -> Drain<'_, Key, V> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:226:32
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<Key, V> {
[INFO] [stdout]     |                                ^^^^^^^^^           ------------- the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<'_, Key, V> {
[INFO] [stdout]     |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:275:17
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn iter(&self) -> Iter<Key, V> {
[INFO] [stdout]     |                 ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 275 |     pub fn iter(&self) -> Iter<'_, Key, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn iter_mut(&mut self) -> IterMut<Key, V> {
[INFO] [stdout]     |                     ^^^^^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 282 |     pub fn iter_mut(&mut self) -> IterMut<'_, Key, V> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn keys(&self) -> Keys<Key, V> {
[INFO] [stdout]     |                 ^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn keys(&self) -> Keys<'_, Key, V> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:340:19
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn values(&self) -> Values<Key, V> {
[INFO] [stdout]     |                   ^^^^^     -------------- the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn values(&self) -> Values<'_, Key, V> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:345:23
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn values_mut(&mut self) -> ValuesMut<Key, V> {
[INFO] [stdout]     |                       ^^^^^^^^^     ----------------- the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn values_mut(&mut self) -> ValuesMut<'_, Key, V> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f0cc6e9a49a6acacd9761aefcdcc4c46f32bf32c86fdb9939c2f2374ad5c22fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0cc6e9a49a6acacd9761aefcdcc4c46f32bf32c86fdb9939c2f2374ad5c22fe", kill_on_drop: false }`
[INFO] [stdout] f0cc6e9a49a6acacd9761aefcdcc4c46f32bf32c86fdb9939c2f2374ad5c22fe
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6bbdf5f0b8df60f2fd52c4d17f6f46a8c376a2ad9568a2f881f955ac2913ba1
[INFO] running `Command { std: "docker" "start" "-a" "e6bbdf5f0b8df60f2fd52c4d17f6f46a8c376a2ad9568a2f881f955ac2913ba1", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:221:18
[INFO] [stderr]     |
[INFO] [stderr] 221 |     pub fn drain(&mut self) -> Drain<Key, V> {
[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] 221 |     pub fn drain(&mut self) -> Drain<'_, Key, V> {
[INFO] [stderr]     |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:226:32
[INFO] [stderr]     |
[INFO] [stderr] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<Key, V> {
[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] 226 |     pub fn entry<K: Into<Key>>(&mut self, k: K) -> Entry<'_, Key, V> {
[INFO] [stderr]     |                                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:275:17
[INFO] [stderr]     |
[INFO] [stderr] 275 |     pub fn iter(&self) -> Iter<Key, V> {
[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] 275 |     pub fn iter(&self) -> Iter<'_, Key, V> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:282:21
[INFO] [stderr]     |
[INFO] [stderr] 282 |     pub fn iter_mut(&mut self) -> IterMut<Key, V> {
[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] 282 |     pub fn iter_mut(&mut self) -> IterMut<'_, Key, V> {
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:287:17
[INFO] [stderr]     |
[INFO] [stderr] 287 |     pub fn keys(&self) -> Keys<Key, V> {
[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] 287 |     pub fn keys(&self) -> Keys<'_, Key, V> {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:340:19
[INFO] [stderr]     |
[INFO] [stderr] 340 |     pub fn values(&self) -> Values<Key, V> {
[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] 340 |     pub fn values(&self) -> Values<'_, Key, V> {
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:345:23
[INFO] [stderr]     |
[INFO] [stderr] 345 |     pub fn values_mut(&mut self) -> ValuesMut<Key, V> {
[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] 345 |     pub fn values_mut(&mut self) -> ValuesMut<'_, Key, V> {
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: `case_insensitive_hashmap` (lib) generated 7 warnings
[INFO] [stderr] warning: `case_insensitive_hashmap` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/case_insensitive_hashmap-ff4da6c888434b9e)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::contains_key_str ... ok
[INFO] [stdout] test tests::contains_key_string ... ok
[INFO] [stdout] test tests::drain ... ok
[INFO] [stdout] test tests::entry ... ok
[INFO] [stdout] test tests::get_key_value ... ok
[INFO] [stdout] test tests::get_mut ... ok
[INFO] [stdout] test tests::from_iterator ... ok
[INFO] [stdout] test tests::get_str ... ok
[INFO] [stdout] test tests::get_string ... ok
[INFO] [stdout] test tests::get_unicase ... ok
[INFO] [stdout] test tests::extend ... ok
[INFO] [stdout] test tests::insert_str ... ok
[INFO] [stdout] test tests::into_iterator_impls ... ok
[INFO] [stdout] test tests::insert_string ... ok
[INFO] [stdout] test tests::is_empty ... ok
[INFO] [stdout] test tests::iter_mut ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::keys ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::remove_entry ... ok
[INFO] [stdout] test tests::retain ... ok
[INFO] [stdout] test tests::values ... ok
[INFO] [stdout] test tests::shrink_to_fit ... ok
[INFO] [stdout] test tests::values_mut ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::partial_eq ... ok
[INFO] [stdout] test tests::with_capacity_and_hasher ... ok
[INFO] [stdout] test tests::index ... ok
[INFO] [stdout] test tests::with_hasher ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests case_insensitive_hashmap
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6bbdf5f0b8df60f2fd52c4d17f6f46a8c376a2ad9568a2f881f955ac2913ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bbdf5f0b8df60f2fd52c4d17f6f46a8c376a2ad9568a2f881f955ac2913ba1", kill_on_drop: false }`
[INFO] [stdout] e6bbdf5f0b8df60f2fd52c4d17f6f46a8c376a2ad9568a2f881f955ac2913ba1
