[INFO] fetching crate metrix 0.13.13...
[INFO] testing metrix-0.13.13 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate metrix 0.13.13 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate metrix 0.13.13
[INFO] finished tweaking crates.io crate metrix 0.13.13
[INFO] tweaked toml for crates.io crate metrix 0.13.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrix 0.13.13 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate metrix 0.13.13 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7199d8551a5031b9fc64ffe52c94e7b1d99a563bdce6efc7719860cd34cb6c
[INFO] running `Command { std: "docker" "start" "-a" "0d7199d8551a5031b9fc64ffe52c94e7b1d99a563bdce6efc7719860cd34cb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7199d8551a5031b9fc64ffe52c94e7b1d99a563bdce6efc7719860cd34cb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7199d8551a5031b9fc64ffe52c94e7b1d99a563bdce6efc7719860cd34cb6c", kill_on_drop: false }`
[INFO] [stdout] 0d7199d8551a5031b9fc64ffe52c94e7b1d99a563bdce6efc7719860cd34cb6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85b41fdcc21346a115748c0842081ddc8e277f351242e76e3e8685750b71632c
[INFO] running `Command { std: "docker" "start" "-a" "85b41fdcc21346a115748c0842081ddc8e277f351242e76e3e8685750b71632c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling ordered-float v2.1.1
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.9
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling metrix v0.13.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `drop_guard` is never read
[INFO] [stdout]    --> src/driver.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct TelemetryDriver {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 153 |     descriptives: Descriptives,
[INFO] [stdout] 154 |     drop_guard: Arc<DropGuard>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TelemetryDriver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_at_mut` is never used
[INFO] [stdout]   --> src/instruments/fundamentals/buckets.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | / impl<T, C> SecondsBuckets<T, C>
[INFO] [stdout] 25 | | where
[INFO] [stdout] 26 | |     T: Default,
[INFO] [stdout] 27 | |     C: Clock,
[INFO] [stdout]    | |_____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |       pub fn get_at_mut(&mut self, for_when: Instant) -> Option<&mut T> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mean` is never read
[INFO] [stdout]   --> src/instruments/fundamentals/metrics_meter.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct MeterSnapshot {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub mean: f64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MeterSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rate`, `mean`, and `count` are never used
[INFO] [stdout]   --> src/instruments/fundamentals/metrics_meter.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Meter: Send + Sync {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn rate(&self, rate: f64) -> f64;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 49 |
[INFO] [stdout] 50 |     fn mean(&self) -> f64;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     fn count(&self) -> i64;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/instruments/fundamentals/buckets.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&mut self) -> BucketIterator<T> {
[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] 74 |     pub fn iter(&mut self) -> BucketIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/instruments/meter.rs:184:32
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/instruments/other_instruments/value_meter.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/snapshot.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stdout]    |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/snapshot.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn find(&self, path: &str) -> FindItem {
[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] 96 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/snapshot.rs:231:32
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stdout]     |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/snapshot.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn find(&self, path: &str) -> FindItem {
[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] 240 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.94s
[INFO] running `Command { std: "docker" "inspect" "85b41fdcc21346a115748c0842081ddc8e277f351242e76e3e8685750b71632c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b41fdcc21346a115748c0842081ddc8e277f351242e76e3e8685750b71632c", kill_on_drop: false }`
[INFO] [stdout] 85b41fdcc21346a115748c0842081ddc8e277f351242e76e3e8685750b71632c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b78d704308c66f1fc05f83a3caa339eb6a6092a1bbbca36d8c2627677a8756
[INFO] running `Command { std: "docker" "start" "-a" "62b78d704308c66f1fc05f83a3caa339eb6a6092a1bbbca36d8c2627677a8756", kill_on_drop: false }`
[INFO] [stdout] warning: field `drop_guard` is never read
[INFO] [stdout]    --> src/driver.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct TelemetryDriver {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 153 |     descriptives: Descriptives,
[INFO] [stdout] 154 |     drop_guard: Arc<DropGuard>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TelemetryDriver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_at_mut` is never used
[INFO] [stdout]   --> src/instruments/fundamentals/buckets.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | / impl<T, C> SecondsBuckets<T, C>
[INFO] [stdout] 25 | | where
[INFO] [stdout] 26 | |     T: Default,
[INFO] [stdout] 27 | |     C: Clock,
[INFO] [stdout]    | |_____________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |       pub fn get_at_mut(&mut self, for_when: Instant) -> Option<&mut T> {
[INFO] [stdout]    |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mean` is never read
[INFO] [stdout]   --> src/instruments/fundamentals/metrics_meter.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct MeterSnapshot {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub mean: f64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MeterSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rate`, `mean`, and `count` are never used
[INFO] [stdout]   --> src/instruments/fundamentals/metrics_meter.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Meter: Send + Sync {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn rate(&self, rate: f64) -> f64;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 49 |
[INFO] [stdout] 50 |     fn mean(&self) -> f64;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     fn count(&self) -> i64;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling metrix v0.13.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/instruments/fundamentals/buckets.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&mut self) -> BucketIterator<T> {
[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] 74 |     pub fn iter(&mut self) -> BucketIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/instruments/meter.rs:184:32
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/instruments/other_instruments/value_meter.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/snapshot.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stdout]    |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/snapshot.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn find(&self, path: &str) -> FindItem {
[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] 96 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/snapshot.rs:231:32
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stdout]     |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/snapshot.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn find(&self, path: &str) -> FindItem {
[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] 240 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `drop_guard` is never read
[INFO] [stdout]    --> src/driver.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub struct TelemetryDriver {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 153 |     descriptives: Descriptives,
[INFO] [stdout] 154 |     drop_guard: Arc<DropGuard>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TelemetryDriver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `offset`, `reference`, `set_offset`, and `reset` are never used
[INFO] [stdout]   --> src/instruments/fundamentals/clock.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |     impl ManualOffsetClock {
[INFO] [stdout]    |     ---------------------- methods in this implementation
[INFO] [stdout] 34 |         pub fn offset(&self) -> Duration {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |         pub fn reference(&self) -> Instant {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |         pub fn set_offset(&self, offset: Duration) {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |         pub fn reset(&self) {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mean` is never read
[INFO] [stdout]   --> src/instruments/fundamentals/metrics_meter.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct MeterSnapshot {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub mean: f64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MeterSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rate`, `mean`, and `count` are never used
[INFO] [stdout]   --> src/instruments/fundamentals/metrics_meter.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Meter: Send + Sync {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn rate(&self, rate: f64) -> f64;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 49 |
[INFO] [stdout] 50 |     fn mean(&self) -> f64;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     fn count(&self) -> i64;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/instruments/fundamentals/buckets.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn iter(&mut self) -> BucketIterator<T> {
[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] 74 |     pub fn iter(&mut self) -> BucketIterator<'_, T> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/instruments/meter.rs:184:32
[INFO] [stdout]     |
[INFO] [stdout] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/instruments/other_instruments/value_meter.rs:189:32
[INFO] [stdout]     |
[INFO] [stdout] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/snapshot.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stdout]    |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stdout]    |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/snapshot.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn find(&self, path: &str) -> FindItem {
[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] 96 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/snapshot.rs:231:32
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stdout]     |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/snapshot.rs:240:17
[INFO] [stdout]     |
[INFO] [stdout] 240 |     pub fn find(&self, path: &str) -> FindItem {
[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] 240 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stdout]     |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "62b78d704308c66f1fc05f83a3caa339eb6a6092a1bbbca36d8c2627677a8756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b78d704308c66f1fc05f83a3caa339eb6a6092a1bbbca36d8c2627677a8756", kill_on_drop: false }`
[INFO] [stdout] 62b78d704308c66f1fc05f83a3caa339eb6a6092a1bbbca36d8c2627677a8756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4f44f4d37dd475b395dc4d2dcfd064673ace4b7cefb48c51364f3ffdb1bf662
[INFO] running `Command { std: "docker" "start" "-a" "d4f44f4d37dd475b395dc4d2dcfd064673ace4b7cefb48c51364f3ffdb1bf662", kill_on_drop: false }`
[INFO] [stderr] warning: field `drop_guard` is never read
[INFO] [stderr]    --> src/driver.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub struct TelemetryDriver {
[INFO] [stderr]     |            --------------- field in this struct
[INFO] [stderr] 153 |     descriptives: Descriptives,
[INFO] [stderr] 154 |     drop_guard: Arc<DropGuard>,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `TelemetryDriver` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_at_mut` is never used
[INFO] [stderr]   --> src/instruments/fundamentals/buckets.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | / impl<T, C> SecondsBuckets<T, C>
[INFO] [stderr] 25 | | where
[INFO] [stderr] 26 | |     T: Default,
[INFO] [stderr] 27 | |     C: Clock,
[INFO] [stderr]    | |_____________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 55 |       pub fn get_at_mut(&mut self, for_when: Instant) -> Option<&mut T> {
[INFO] [stderr]    |              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `mean` is never read
[INFO] [stderr]   --> src/instruments/fundamentals/metrics_meter.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct MeterSnapshot {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 23 |     pub mean: f64,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MeterSnapshot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `rate`, `mean`, and `count` are never used
[INFO] [stderr]   --> src/instruments/fundamentals/metrics_meter.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub trait Meter: Send + Sync {
[INFO] [stderr]    |           ----- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 48 |     fn rate(&self, rate: f64) -> f64;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 49 |
[INFO] [stderr] 50 |     fn mean(&self) -> f64;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 51 |
[INFO] [stderr] 52 |     fn count(&self) -> i64;
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/instruments/fundamentals/buckets.rs:74:17
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn iter(&mut self) -> BucketIterator<T> {
[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] 74 |     pub fn iter(&mut self) -> BucketIterator<'_, T> {
[INFO] [stderr]    |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/instruments/meter.rs:184:32
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 184 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stderr]     |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/instruments/other_instruments/value_meter.rs:189:32
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot {
[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] 189 |     pub(crate) fn get_snapshot(&self) -> MeterSnapshot<'_> {
[INFO] [stderr]     |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/snapshot.rs:30:32
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stderr]    |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stderr]    |                                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/snapshot.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn find(&self, path: &str) -> FindItem {
[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] 96 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stderr]    |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/snapshot.rs:231:32
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem {
[INFO] [stderr]     |                                ^^^^^ the lifetime is elided here      ^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 231 |     pub fn find_with_separator(&self, path: &str, separator: char) -> FindItem<'_> {
[INFO] [stderr]     |                                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/snapshot.rs:240:17
[INFO] [stderr]     |
[INFO] [stderr] 240 |     pub fn find(&self, path: &str) -> FindItem {
[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] 240 |     pub fn find(&self, path: &str) -> FindItem<'_> {
[INFO] [stderr]     |                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `metrix` (lib) generated 11 warnings (run `cargo fix --lib -p metrix` to apply 7 suggestions)
[INFO] [stderr] warning: methods `offset`, `reference`, `set_offset`, and `reset` are never used
[INFO] [stderr]   --> src/instruments/fundamentals/clock.rs:34:16
[INFO] [stderr]    |
[INFO] [stderr] 33 |     impl ManualOffsetClock {
[INFO] [stderr]    |     ---------------------- methods in this implementation
[INFO] [stderr] 34 |         pub fn offset(&self) -> Duration {
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |         pub fn reference(&self) -> Instant {
[INFO] [stderr]    |                ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |         pub fn set_offset(&self, offset: Duration) {
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |         pub fn reset(&self) {
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `metrix` (lib test) generated 11 warnings (10 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/metrix-af67f245e164904c)
[INFO] [stdout] 
[INFO] [stdout] running 73 tests
[INFO] [stdout] test instruments::fundamentals::buckets::test::buckets_with_one_item_works_without_ticks ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::empty_by_over_tick_1 ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::non_equidistant_advance ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::initial_buckets ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::empty_by_over_tick_2 ... ok
[INFO] [stdout] test instruments::counter::test::updates ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::shift_by_double_tick ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::shift_by_half_ticks ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::with_three_initialized_items ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::shift_by_tick ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test::decay ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test::non_zero ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test::snapshot ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test::zero ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test_ewma::ewma15 ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test_ewma::ewma1 ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::with_three_uninitialized_items_tick_one_second ... ok
[INFO] [stdout] test instruments::gauge::test::empty_gauge_updates_by_decrement ... ok
[INFO] [stdout] test instruments::gauge::test::empty_gauge_updates_by_increment ... ok
[INFO] [stdout] test instruments::fundamentals::metrics_meter::test_ewma::ewma5 ... ok
[INFO] [stdout] test instruments::gauge::test::empty_gauge_updates_by_increment_by ... ok
[INFO] [stdout] test instruments::gauge::test::empty_gauge_updates_by_decrement_by ... ok
[INFO] [stdout] test instruments::gauge::test::empty_gauge_updates_with_duration ... ok
[INFO] [stdout] test instruments::gauge::test::fresh_node_is_empty ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_for_all_labels ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_for_label_deltas_only ... ok
[INFO] [stdout] test instruments::gauge::test::empty_gauge_updates_with_value ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_for_label_label_does_not_exist ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_inc_dec_on ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_for_label_label_exists ... ok
[INFO] [stdout] test instruments::gauge::test::non_empty_gauge_updates_by_decrement_by ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_for_labels ... ok
[INFO] [stdout] test instruments::gauge::test::non_empty_gauge_updates_by_increment ... ok
[INFO] [stdout] test instruments::gauge::test::non_empty_gauge_updates_by_increment_by ... ok
[INFO] [stdout] test instruments::gauge::test::non_empty_gauge_updates_with_value ... ok
[INFO] [stdout] test instruments::gauge::test::gauge_inc_dec_on_many ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::empty_bucket_returns_none ... ok
[INFO] [stdout] test instruments::gauge::test::non_empty_gauge_updates_by_decrement ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::one_bucket_works_correctly_with_2_times_a_different_update_and_one_bucket_shift ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::one_bucket_works_correctly_with_2_times_the_same_updates_and_one_bucket_shift ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::one_bucket_works_correctly_with_one_update ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::one_bucket_works_correctly_with_two_different_updates_in_the_same_bucket ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::two_buckets_works_correctly_2_different_updates_in_each_bucket_with_one_bucket_shift ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::two_buckets_works_correctly_with_2_times_the_same_updates_and_one_bucket_shift ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::two_buckets_works_correctly_with_different_updates_and_one_bucket_shift ... ok
[INFO] [stdout] test instruments::gauge::test::non_empty_gauge_updates_with_duration ... ok
[INFO] [stdout] test instruments::gauge::tracking::test::none_empty_bucket_returns_some ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_many_filter ... ok
[INFO] [stdout] test instruments::histogram::histogram_without_inactivity_accepts_future_timestamp ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_two_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::empty_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_all_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_five_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_all_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::many_filters ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_five_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_one_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_four_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_four_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter::accept_three_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_one_filter ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_three_filter ... ok
[INFO] [stdout] test instruments::histogram::histogram_with_inactivity_accepts_future_timestamp ... ok
[INFO] [stdout] test instruments::test_time_conversion::duration_to_display_value_from_millis ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::empty_filter ... ok
[INFO] [stdout] test instruments::test_time_conversion::duration_to_display_value_from_nanos ... ok
[INFO] [stdout] test instruments::test_time_conversion::duration_to_display_value_from_micros ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::many_filters ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_many_filter ... ok
[INFO] [stdout] test processor::the_telemetry_transmitter_is_sync ... ok
[INFO] [stdout] test instruments::test_time_conversion::duration_to_display_value_from_seconds ... ok
[INFO] [stdout] test instruments::label_filter::test_label_filter_internal::accept_two_filter ... ok
[INFO] [stdout] test instruments::fundamentals::buckets::test::with_three_initialized_items_tick_one_second ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 73 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrix
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/instruments/counter.rs - instruments::counter::Counter (line 18) ... ok
[INFO] [stdout] test src/instruments/gauge/mod.rs - instruments::gauge::Gauge (line 38) ... ok
[INFO] [stdout] test src/instruments/gauge/mod.rs - instruments::gauge::Gauge (line 26) ... ok
[INFO] [stdout] test src/instruments/panel.rs - instruments::panel::Panel (line 21) ... ok
[INFO] [stdout] test src/snapshot.rs - snapshot::find_item (line 145) ... ok
[INFO] [stdout] test src/snapshot.rs - snapshot::Snapshot::find (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4f44f4d37dd475b395dc4d2dcfd064673ace4b7cefb48c51364f3ffdb1bf662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f44f4d37dd475b395dc4d2dcfd064673ace4b7cefb48c51364f3ffdb1bf662", kill_on_drop: false }`
[INFO] [stdout] d4f44f4d37dd475b395dc4d2dcfd064673ace4b7cefb48c51364f3ffdb1bf662
