[INFO] cloning repository https://github.com/henkkuli/ruuvi_gateway_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/henkkuli/ruuvi_gateway_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenkkuli%2Fruuvi_gateway_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenkkuli%2Fruuvi_gateway_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc9f9070bf1edbe5c211e3fc4259f4e9297a72c9
[INFO] testing henkkuli/ruuvi_gateway_exporter against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhenkkuli%2Fruuvi_gateway_exporter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/henkkuli/ruuvi_gateway_exporter
[INFO] finished tweaking git repo https://github.com/henkkuli/ruuvi_gateway_exporter
[INFO] tweaked toml for git repo https://github.com/henkkuli/ruuvi_gateway_exporter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/henkkuli/ruuvi_gateway_exporter on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/henkkuli/ruuvi_gateway_exporter 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ruuvi-sensor-protocol v0.6.1
[INFO] [stderr]   Downloaded snafu-derive v0.8.5
[INFO] [stderr]   Downloaded bitflags v2.7.0
[INFO] [stderr]   Downloaded lexical-parse-integer v1.0.5
[INFO] [stderr]   Downloaded lexical-util v1.0.6
[INFO] [stderr]   Downloaded lexical-core v1.0.5
[INFO] [stderr]   Downloaded snafu v0.8.5
[INFO] [stderr]   Downloaded hifitime v4.0.2
[INFO] [stderr]   Downloaded lexical-parse-float v1.0.5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a386f185d7d6f8a9e8b854b78d55556024289fb1b2bc55a2b9ef3210dd8ecf9
[INFO] running `Command { std: "docker" "start" "-a" "4a386f185d7d6f8a9e8b854b78d55556024289fb1b2bc55a2b9ef3210dd8ecf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a386f185d7d6f8a9e8b854b78d55556024289fb1b2bc55a2b9ef3210dd8ecf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a386f185d7d6f8a9e8b854b78d55556024289fb1b2bc55a2b9ef3210dd8ecf9", kill_on_drop: false }`
[INFO] [stdout] 4a386f185d7d6f8a9e8b854b78d55556024289fb1b2bc55a2b9ef3210dd8ecf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6292ccc09613fbe6ec0d95cb96c10062e3e2c5b835567b21485de808ec2143a3
[INFO] running `Command { std: "docker" "start" "-a" "6292ccc09613fbe6ec0d95cb96c10062e3e2c5b835567b21485de808ec2143a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling lexical-util v1.0.6
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling miniz_oxide v0.8.3
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling http v1.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]    Compiling clap_builder v4.5.26
[INFO] [stderr]    Compiling ruuvi-sensor-protocol v0.6.1
[INFO] [stderr]    Compiling lexical-parse-float v1.0.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling headers v0.3.9
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling lexical-core v1.0.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling pin-project-internal v1.1.8
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.11
[INFO] [stderr]    Compiling clap_derive v4.5.24
[INFO] [stderr]    Compiling tokio v1.43.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling zerofrom v0.1.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling pin-project v1.1.8
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling snafu v0.8.5
[INFO] [stderr]    Compiling clap v4.5.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling h2 v0.3.26
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling hifitime v4.0.2
[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 url v2.5.4
[INFO] [stderr]    Compiling tungstenite v0.21.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.21.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling warp v0.3.7
[INFO] [stderr]    Compiling ruuvi-gw-exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     .value((f64::from(temp_mc) / 1000.0))
[INFO] [stdout]     |                            ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 141 -                     .value((f64::from(temp_mc) / 1000.0))
[INFO] [stdout] 141 +                     .value(f64::from(temp_mc) / 1000.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label` is never used
[INFO] [stdout]   --> src/metrics.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<'a> MetricBuilder<'a> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn label(mut self, key: &'a str, value: &'a str) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metrics.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn metric(name: &str) -> MetricBuilder {
[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] 19 | pub fn metric(name: &str) -> MetricBuilder<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "6292ccc09613fbe6ec0d95cb96c10062e3e2c5b835567b21485de808ec2143a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6292ccc09613fbe6ec0d95cb96c10062e3e2c5b835567b21485de808ec2143a3", kill_on_drop: false }`
[INFO] [stdout] 6292ccc09613fbe6ec0d95cb96c10062e3e2c5b835567b21485de808ec2143a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 166cec08c292cfdb72831313db6fdcb7bcc90f7cafab396159e213f91cc42b7c
[INFO] running `Command { std: "docker" "start" "-a" "166cec08c292cfdb72831313db6fdcb7bcc90f7cafab396159e213f91cc42b7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.43
[INFO] [stderr]    Compiling bitflags v2.7.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling tempfile v3.15.0
[INFO] [stderr]    Compiling ruuvi-gw-exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |                     .value((f64::from(temp_mc) / 1000.0))
[INFO] [stdout]     |                            ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 141 -                     .value((f64::from(temp_mc) / 1000.0))
[INFO] [stdout] 141 +                     .value(f64::from(temp_mc) / 1000.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/metrics.rs:19:21
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn metric(name: &str) -> MetricBuilder {
[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] 19 | pub fn metric(name: &str) -> MetricBuilder<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "166cec08c292cfdb72831313db6fdcb7bcc90f7cafab396159e213f91cc42b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166cec08c292cfdb72831313db6fdcb7bcc90f7cafab396159e213f91cc42b7c", kill_on_drop: false }`
[INFO] [stdout] 166cec08c292cfdb72831313db6fdcb7bcc90f7cafab396159e213f91cc42b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7bb82a860d9d3a91dbd53ca1433f9b7ea3fdebdd246d2e40e98b6fb73b1d4426
[INFO] running `Command { std: "docker" "start" "-a" "7bb82a860d9d3a91dbd53ca1433f9b7ea3fdebdd246d2e40e98b6fb73b1d4426", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:141:28
[INFO] [stderr]     |
[INFO] [stderr] 141 |                     .value((f64::from(temp_mc) / 1000.0))
[INFO] [stderr]     |                            ^                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 141 -                     .value((f64::from(temp_mc) / 1000.0))
[INFO] [stderr] 141 +                     .value(f64::from(temp_mc) / 1000.0)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/metrics.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn metric(name: &str) -> MetricBuilder {
[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] 19 | pub fn metric(name: &str) -> MetricBuilder<'_> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `ruuvi-gw-exporter` (bin "ruuvi-gw-exporter" test) generated 2 warnings (run `cargo fix --bin "ruuvi-gw-exporter" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ruuvi_gw_exporter-8d004d26e6c1d254)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test config::tests::test_default_config ... ok
[INFO] [stdout] test config::tests::test_invalid_mac_mapping_file ... ok
[INFO] [stdout] test config::tests::test_custom_mac_mapping ... ok
[INFO] [stdout] test config::tests::test_custom_port_and_interface ... ok
[INFO] [stdout] test config::tests::test_mac_mapping_parsing ... ok
[INFO] [stdout] test metrics::tests::test_metric_formatting ... ok
[INFO] [stdout] test config::tests::test_empty_mac_mapping ... ok
[INFO] [stdout] test rw_message::tests::ad_message_iter ... ok
[INFO] [stdout] test rw_message::tests::gw_message_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7bb82a860d9d3a91dbd53ca1433f9b7ea3fdebdd246d2e40e98b6fb73b1d4426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb82a860d9d3a91dbd53ca1433f9b7ea3fdebdd246d2e40e98b6fb73b1d4426", kill_on_drop: false }`
[INFO] [stdout] 7bb82a860d9d3a91dbd53ca1433f9b7ea3fdebdd246d2e40e98b6fb73b1d4426