[INFO] fetching crate cloudevents-sdk 0.8.0...
[INFO] building cloudevents-sdk-0.8.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate cloudevents-sdk 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cloudevents-sdk 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cloudevents-sdk 0.8.0
[INFO] tweaked toml for crates.io crate cloudevents-sdk 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cloudevents-sdk 0.8.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cloudevents-sdk 0.8.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08bce9f97385c8db40c209229f7e82b00d23d8dea458e30b118e1194c27dd196
[INFO] running `Command { std: "docker" "start" "-a" "08bce9f97385c8db40c209229f7e82b00d23d8dea458e30b118e1194c27dd196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08bce9f97385c8db40c209229f7e82b00d23d8dea458e30b118e1194c27dd196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bce9f97385c8db40c209229f7e82b00d23d8dea458e30b118e1194c27dd196", kill_on_drop: false }`
[INFO] [stdout] 08bce9f97385c8db40c209229f7e82b00d23d8dea458e30b118e1194c27dd196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a869ae51b0f7666e313761239583ffd183c158c1c78f70b4526ba76d86e46b6b
[INFO] running `Command { std: "docker" "start" "-a" "a869ae51b0f7666e313761239583ffd183c158c1c78f70b4526ba76d86e46b6b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cloudevents-sdk v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static `CLOUDEVENTS_JSON_HEADER` is never used
[INFO] [stdout]   --> src/binding/mod.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) static CLOUDEVENTS_JSON_HEADER: &str = "application/cloudevents+json";
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CLOUDEVENTS_BATCH_JSON_HEADER` is never used
[INFO] [stdout]   --> src/binding/mod.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) static CLOUDEVENTS_BATCH_JSON_HEADER: &str = "application/cloudevents-batch+json";
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CONTENT_TYPE` is never used
[INFO] [stdout]   --> src/binding/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) static CONTENT_TYPE: &str = "content-type";
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `header_prefix` is never used
[INFO] [stdout]   --> src/binding/mod.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn header_prefix(prefix: &str, name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                 ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |                               |
[INFO] [stdout]     |                 |                               the same lifetime is elided here
[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] 138 |     pub fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn iter_attributes(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                            ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |                               |
[INFO] [stdout]     |                            |                               the same lifetime is elided here
[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] 145 |     pub fn iter_attributes(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/attributes.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub(crate) fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                        ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                               |
[INFO] [stdout]     |                        |                               the same lifetime is elided here
[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] 250 |     pub(crate) fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.29s
[INFO] running `Command { std: "docker" "inspect" "a869ae51b0f7666e313761239583ffd183c158c1c78f70b4526ba76d86e46b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a869ae51b0f7666e313761239583ffd183c158c1c78f70b4526ba76d86e46b6b", kill_on_drop: false }`
[INFO] [stdout] a869ae51b0f7666e313761239583ffd183c158c1c78f70b4526ba76d86e46b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f3e2263c82c47ae62094fe3d3d31b8562e7fcf9f103df6086cbd86ced2cc452
[INFO] running `Command { std: "docker" "start" "-a" "8f3e2263c82c47ae62094fe3d3d31b8562e7fcf9f103df6086cbd86ced2cc452", kill_on_drop: false }`
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[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling actix-rt v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling assert-json-diff v2.0.2
[INFO] [stderr]    Compiling cloudevents-sdk v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mockito v0.31.1
[INFO] [stdout] warning: static `CLOUDEVENTS_JSON_HEADER` is never used
[INFO] [stdout]   --> src/binding/mod.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) static CLOUDEVENTS_JSON_HEADER: &str = "application/cloudevents+json";
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CLOUDEVENTS_BATCH_JSON_HEADER` is never used
[INFO] [stdout]   --> src/binding/mod.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) static CLOUDEVENTS_BATCH_JSON_HEADER: &str = "application/cloudevents-batch+json";
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CONTENT_TYPE` is never used
[INFO] [stdout]   --> src/binding/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) static CONTENT_TYPE: &str = "content-type";
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `header_prefix` is never used
[INFO] [stdout]   --> src/binding/mod.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn header_prefix(prefix: &str, name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                 ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |                               |
[INFO] [stdout]     |                 |                               the same lifetime is elided here
[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] 138 |     pub fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn iter_attributes(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                            ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |                               |
[INFO] [stdout]     |                            |                               the same lifetime is elided here
[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] 145 |     pub fn iter_attributes(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/attributes.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub(crate) fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                        ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                               |
[INFO] [stdout]     |                        |                               the same lifetime is elided here
[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] 250 |     pub(crate) fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling version-sync v0.9.5
[INFO] [stdout] warning: static `CLOUDEVENTS_JSON_HEADER` is never used
[INFO] [stdout]   --> src/binding/mod.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) static CLOUDEVENTS_JSON_HEADER: &str = "application/cloudevents+json";
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CLOUDEVENTS_BATCH_JSON_HEADER` is never used
[INFO] [stdout]   --> src/binding/mod.rs:59:19
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub(crate) static CLOUDEVENTS_BATCH_JSON_HEADER: &str = "application/cloudevents-batch+json";
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `CONTENT_TYPE` is never used
[INFO] [stdout]   --> src/binding/mod.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub(crate) static CONTENT_TYPE: &str = "content-type";
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `header_prefix` is never used
[INFO] [stdout]   --> src/binding/mod.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn header_prefix(prefix: &str, name: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                 ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |                               |
[INFO] [stdout]     |                 |                               the same lifetime is elided here
[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] 138 |     pub fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/mod.rs:145:28
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn iter_attributes(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                            ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                            |                               |
[INFO] [stdout]     |                            |                               the same lifetime is elided here
[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] 145 |     pub fn iter_attributes(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/event/attributes.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |     pub(crate) fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue)> {
[INFO] [stdout]     |                        ^^^^^                           ^^^^  ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |                               |
[INFO] [stdout]     |                        |                               the same lifetime is elided here
[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] 250 |     pub(crate) fn iter(&self) -> impl Iterator<Item = (&str, AttributeValue<'_>)> {
[INFO] [stdout]     |                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "8f3e2263c82c47ae62094fe3d3d31b8562e7fcf9f103df6086cbd86ced2cc452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3e2263c82c47ae62094fe3d3d31b8562e7fcf9f103df6086cbd86ced2cc452", kill_on_drop: false }`
[INFO] [stdout] 8f3e2263c82c47ae62094fe3d3d31b8562e7fcf9f103df6086cbd86ced2cc452
