[INFO] crate metrix 0.9.2 is already in cache
[INFO] extracting crate metrix 0.9.2 into work/ex/clippy-test-run/sources/stable/reg/metrix/0.9.2
[INFO] extracting crate metrix 0.9.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/metrix/0.9.2
[INFO] validating manifest of metrix-0.9.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metrix-0.9.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing metrix-0.9.2
[INFO] finished frobbing metrix-0.9.2
[INFO] frobbed toml for metrix-0.9.2 written to work/ex/clippy-test-run/sources/stable/reg/metrix/0.9.2/Cargo.toml
[INFO] started frobbing metrix-0.9.2
[INFO] finished frobbing metrix-0.9.2
[INFO] frobbed toml for metrix-0.9.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/metrix/0.9.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting metrix-0.9.2 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/metrix/0.9.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] af047700e17cd274ee65178ec3d29803e594d58da552843cd2655a32616d528c
[INFO] running `"docker" "start" "-a" "af047700e17cd274ee65178ec3d29803e594d58da552843cd2655a32616d528c"`
[INFO] [stderr]     Checking metrics v0.2.3
[INFO] [stderr]     Checking exponential-decay-histogram v0.1.3
[INFO] [stderr]     Checking metrix v0.9.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/instruments/histogram.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 quantiles: quantiles,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `quantiles`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/instruments/mod.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |             label: label,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `label`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/instruments/histogram.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 quantiles: quantiles,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `quantiles`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/instruments/mod.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |             label: label,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `label`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/instruments/meter.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         meter_snapshot
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/instruments/meter.rs:97:30
[INFO] [stderr]     |
[INFO] [stderr] 97  |           let meter_snapshot = MeterSnapshot {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 98  | |             name: &self.name,
[INFO] [stderr] 99  | |             title: self.title.as_ref().map(|x| &**x),
[INFO] [stderr] 100 | |             description: self.description.as_ref().map(|x| &**x),
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |             },
[INFO] [stderr] 138 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/instruments/other_instruments/last_occurrence_tracker.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 101 | |             if self.make_none_zero() {
[INFO] [stderr] 102 | |                 into.items.push((self.name.clone(), 0.into()));
[INFO] [stderr] 103 | |             }
[INFO] [stderr] 104 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 100 |         } else if self.make_none_zero() {
[INFO] [stderr] 101 |     into.items.push((self.name.clone(), 0.into()));
[INFO] [stderr] 102 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MeterRate`, `MeterSnapshot`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use instruments::meter::{MeterRate, MeterSnapshot};
[INFO] [stderr]   |                          ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Instrument`, `Update`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:4:43
[INFO] [stderr]   |
[INFO] [stderr] 4 | use instruments::{BorrowedLabelAndUpdate, Instrument, Meter, Update, Updates};
[INFO] [stderr]   |                                           ^^^^^^^^^^         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ItemKind`
[INFO] [stderr]  --> src/instruments/other_instruments/value_meter.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use snapshot::{ItemKind, Snapshot};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util`
[INFO] [stderr]   --> src/instruments/other_instruments/value_meter.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use util;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/instruments/other_instruments/value_meter.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         meter_snapshot
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/instruments/other_instruments/value_meter.rs:93:30
[INFO] [stderr]     |
[INFO] [stderr] 93  |           let meter_snapshot = MeterSnapshot {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 94  | |             name: &self.name,
[INFO] [stderr] 95  | |             title: self.title.as_ref().map(|x| &**x),
[INFO] [stderr] 96  | |             description: self.description.as_ref().map(|x| &**x),
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |             },
[INFO] [stderr] 134 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/util.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | const TITLE_FIELD_LABEL: &'static str = "_title";
[INFO] [stderr]   |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/util.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | const DESCRIPTION_FIELD_LABEL: &'static str = "_description";
[INFO] [stderr]   |                                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/instruments/meter.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         meter_snapshot
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/instruments/meter.rs:97:30
[INFO] [stderr]     |
[INFO] [stderr] 97  |           let meter_snapshot = MeterSnapshot {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 98  | |             name: &self.name,
[INFO] [stderr] 99  | |             title: self.title.as_ref().map(|x| &**x),
[INFO] [stderr] 100 | |             description: self.description.as_ref().map(|x| &**x),
[INFO] [stderr] ...   |
[INFO] [stderr] 137 | |             },
[INFO] [stderr] 138 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/instruments/other_instruments/last_occurrence_tracker.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 101 | |             if self.make_none_zero() {
[INFO] [stderr] 102 | |                 into.items.push((self.name.clone(), 0.into()));
[INFO] [stderr] 103 | |             }
[INFO] [stderr] 104 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 100 |         } else if self.make_none_zero() {
[INFO] [stderr] 101 |     into.items.push((self.name.clone(), 0.into()));
[INFO] [stderr] 102 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MeterRate`, `MeterSnapshot`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:3:26
[INFO] [stderr]   |
[INFO] [stderr] 3 | use instruments::meter::{MeterRate, MeterSnapshot};
[INFO] [stderr]   |                          ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Instrument`, `Update`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:4:43
[INFO] [stderr]   |
[INFO] [stderr] 4 | use instruments::{BorrowedLabelAndUpdate, Instrument, Meter, Update, Updates};
[INFO] [stderr]   |                                           ^^^^^^^^^^         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ItemKind`
[INFO] [stderr]  --> src/instruments/other_instruments/value_meter.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | use snapshot::{ItemKind, Snapshot};
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util`
[INFO] [stderr]   --> src/instruments/other_instruments/value_meter.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use util;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/instruments/other_instruments/value_meter.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         meter_snapshot
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/instruments/other_instruments/value_meter.rs:93:30
[INFO] [stderr]     |
[INFO] [stderr] 93  |           let meter_snapshot = MeterSnapshot {
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 94  | |             name: &self.name,
[INFO] [stderr] 95  | |             title: self.title.as_ref().map(|x| &**x),
[INFO] [stderr] 96  | |             description: self.description.as_ref().map(|x| &**x),
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |             },
[INFO] [stderr] 134 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/util.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | const TITLE_FIELD_LABEL: &'static str = "_title";
[INFO] [stderr]   |                          -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/util.rs:5:33
[INFO] [stderr]   |
[INFO] [stderr] 5 | const DESCRIPTION_FIELD_LABEL: &'static str = "_description";
[INFO] [stderr]   |                                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Descriptive`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | use {Descriptive, HandlesObservations, Observation, PutsSnapshot};
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Descriptive`
[INFO] [stderr]  --> src/instruments/other_instruments/multi_meter.rs:7:6
[INFO] [stderr]   |
[INFO] [stderr] 7 | use {Descriptive, HandlesObservations, Observation, PutsSnapshot};
[INFO] [stderr]   |      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `into`
[INFO] [stderr]    --> src/instruments/other_instruments/multi_meter.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn put_values_into_snapshot(&self, into: &mut Snapshot, descriptive: bool) {
[INFO] [stderr]     |                                        ^^^^ help: consider using `_into` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `descriptive`
[INFO] [stderr]    --> src/instruments/other_instruments/multi_meter.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn put_values_into_snapshot(&self, into: &mut Snapshot, descriptive: bool) {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^ help: consider using `_descriptive` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `into`
[INFO] [stderr]    --> src/instruments/other_instruments/multi_meter.rs:113:40
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn put_values_into_snapshot(&self, into: &mut Snapshot, descriptive: bool) {
[INFO] [stderr]     |                                        ^^^^ help: consider using `_into` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `descriptive`
[INFO] [stderr]    --> src/instruments/other_instruments/multi_meter.rs:113:61
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn put_values_into_snapshot(&self, into: &mut Snapshot, descriptive: bool) {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^ help: consider using `_descriptive` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lower_cutoff`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     lower_cutoff: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `one_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     one_minute_rate_enabled: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `five_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     five_minute_rate_enabled: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fifteen_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fifteen_minute_rate_enabled: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_defaults`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new_with_defaults<T: Into<String>>(name: T) -> MultiMeter<L> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn name(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_name`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn set_name<T: Into<String>>(&mut self, name: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_title`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn set_title<T: Into<String>>(&mut self, title: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_description`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn set_description<T: Into<String>>(&mut self, description: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_enable_one_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn set_enable_one_minute_rate_enabled(&mut self, enabled: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_five_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn set_five_minute_rate_enabled(&mut self, enabled: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_fifteen_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn set_fifteen_minute_rate_enabled(&mut self, enabled: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_lower_cutoff`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn set_lower_cutoff(&mut self, cutoff: f64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_meter`
[INFO] [stderr]    --> src/instruments/other_instruments/multi_meter.rs:94:5
[INFO] [stderr]     |
[INFO] [stderr] 94  | /     pub fn add_meter<N: Into<String>, T: Into<String>, D: Into<String>>(
[INFO] [stderr] 95  | |         &mut self,
[INFO] [stderr] 96  | |         label: L,
[INFO] [stderr] 97  | |         name: N,
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |         self.meters.push((label, meter))
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `lower_cutoff`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     lower_cutoff: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `one_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     one_minute_rate_enabled: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `five_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     five_minute_rate_enabled: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `fifteen_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fifteen_minute_rate_enabled: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_with_defaults`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn new_with_defaults<T: Into<String>>(name: T) -> MultiMeter<L> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn name(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_name`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn set_name<T: Into<String>>(&mut self, name: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_title`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn set_title<T: Into<String>>(&mut self, title: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_description`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn set_description<T: Into<String>>(&mut self, description: T) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_enable_one_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn set_enable_one_minute_rate_enabled(&mut self, enabled: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_five_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn set_five_minute_rate_enabled(&mut self, enabled: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_fifteen_minute_rate_enabled`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn set_fifteen_minute_rate_enabled(&mut self, enabled: bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_lower_cutoff`
[INFO] [stderr]   --> src/instruments/other_instruments/multi_meter.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn set_lower_cutoff(&mut self, cutoff: f64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_meter`
[INFO] [stderr]    --> src/instruments/other_instruments/multi_meter.rs:94:5
[INFO] [stderr]     |
[INFO] [stderr] 94  | /     pub fn add_meter<N: Into<String>, T: Into<String>, D: Into<String>>(
[INFO] [stderr] 95  | |         &mut self,
[INFO] [stderr] 96  | |         label: L,
[INFO] [stderr] 97  | |         name: N,
[INFO] [stderr] ...   |
[INFO] [stderr] 110 | |         self.meters.push((label, meter))
[INFO] [stderr] 111 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 | /         let _ = self
[INFO] [stderr] 223 | |             .sender
[INFO] [stderr] 224 | |             .send(DriverMessage::SetProcessingStrategy(strategy));
[INFO] [stderr]     | |__________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let _ = self.sender.send(DriverMessage::Pause);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let _ = self.sender.send(DriverMessage::Resume);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 | /         let _ = self
[INFO] [stderr] 241 | |             .sender
[INFO] [stderr] 242 | |             .send(DriverMessage::GetSnapshotSync(snapshot, tx, descriptive));
[INFO] [stderr]     | |_____________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 | /         let _ = self
[INFO] [stderr] 257 | |             .sender
[INFO] [stderr] 258 | |             .send(DriverMessage::GetSnapshotAsync(snapshot, tx, descriptive));
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 | /         let _ = self
[INFO] [stderr] 309 | |             .sender
[INFO] [stderr] 310 | |             .send(DriverMessage::AddProcessor(Box::new(processor)));
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 | /         let _ = self
[INFO] [stderr] 315 | |             .sender
[INFO] [stderr] 316 | |             .send(DriverMessage::AddSnapshooter(Box::new(snapshooter)));
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     let _ = back_channel.send(snapshot);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/driver.rs:723:49
[INFO] [stderr]     |
[INFO] [stderr] 723 |     let nanos = (d.as_secs() * 1_000_000_000) + (d.subsec_nanos() as u64);
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(d.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 | /         let _ = self
[INFO] [stderr] 223 | |             .sender
[INFO] [stderr] 224 | |             .send(DriverMessage::SetProcessingStrategy(strategy));
[INFO] [stderr]     | |__________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         let _ = self.sender.send(DriverMessage::Pause);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:234:9
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let _ = self.sender.send(DriverMessage::Resume);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:240:9
[INFO] [stderr]     |
[INFO] [stderr] 240 | /         let _ = self
[INFO] [stderr] 241 | |             .sender
[INFO] [stderr] 242 | |             .send(DriverMessage::GetSnapshotSync(snapshot, tx, descriptive));
[INFO] [stderr]     | |_____________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 | /         let _ = self
[INFO] [stderr] 257 | |             .sender
[INFO] [stderr] 258 | |             .send(DriverMessage::GetSnapshotAsync(snapshot, tx, descriptive));
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:308:9
[INFO] [stderr]     |
[INFO] [stderr] 308 | /         let _ = self
[INFO] [stderr] 309 | |             .sender
[INFO] [stderr] 310 | |             .send(DriverMessage::AddProcessor(Box::new(processor)));
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:314:9
[INFO] [stderr]     |
[INFO] [stderr] 314 | /         let _ = self
[INFO] [stderr] 315 | |             .sender
[INFO] [stderr] 316 | |             .send(DriverMessage::AddSnapshooter(Box::new(snapshooter)));
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/driver.rs:393:21
[INFO] [stderr]     |
[INFO] [stderr] 393 |                     let _ = back_channel.send(snapshot);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/instruments/meter.rs:229:29
[INFO] [stderr]     |
[INFO] [stderr] 229 |         into_container.push(self.name.clone(), ItemKind::Snapshot(new_level));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 229 |         into_container.push(&(*self.name).clone(), ItemKind::Snapshot(new_level));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 229 |         into_container.push(&str::clone(self.name), ItemKind::Snapshot(new_level));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/driver.rs:723:49
[INFO] [stderr]     |
[INFO] [stderr] 723 |     let nanos = (d.as_secs() * 1_000_000_000) + (d.subsec_nanos() as u64);
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(d.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/instruments/meter.rs:229:29
[INFO] [stderr]     |
[INFO] [stderr] 229 |         into_container.push(self.name.clone(), ItemKind::Snapshot(new_level));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 229 |         into_container.push(&(*self.name).clone(), ItemKind::Snapshot(new_level));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 229 |         into_container.push(&str::clone(self.name), ItemKind::Snapshot(new_level));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/processor.rs:334:25
[INFO] [stderr]     |
[INFO] [stderr] 334 |                         let _ = cockpit.add_panel(panel);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:271:24
[INFO] [stderr]     |
[INFO] [stderr] 271 |         ItemKind::UInt(what as u64)
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try: `u64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:277:24
[INFO] [stderr]     |
[INFO] [stderr] 277 |         ItemKind::UInt(what as u64)
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try: `u64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:283:24
[INFO] [stderr]     |
[INFO] [stderr] 283 |         ItemKind::UInt(what as u64)
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try: `u64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:301:23
[INFO] [stderr]     |
[INFO] [stderr] 301 |         ItemKind::Int(what as i64)
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: try: `i64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:307:23
[INFO] [stderr]     |
[INFO] [stderr] 307 |         ItemKind::Int(what as i64)
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: try: `i64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:313:23
[INFO] [stderr]     |
[INFO] [stderr] 313 |         ItemKind::Int(what as i64)
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: try: `i64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:343:25
[INFO] [stderr]     |
[INFO] [stderr] 343 |         ItemKind::Float(what as f64)
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: try: `f64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/processor.rs:334:25
[INFO] [stderr]     |
[INFO] [stderr] 334 |                         let _ = cockpit.add_panel(panel);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 | /         match cloned {
[INFO] [stderr] 215 | |             Observation::ObservedOneValue { ref mut value, .. } => match scaling {
[INFO] [stderr] 216 | |                 ValueScaling::NanosToMillis => *value = *value / 1_000_000,
[INFO] [stderr] 217 | |                 ValueScaling::NanosToMicros => *value = *value / 1_000,
[INFO] [stderr] 218 | |             },
[INFO] [stderr] 219 | |             _ => (),
[INFO] [stderr] 220 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 214 |         if let Observation::ObservedOneValue { ref mut value, .. } = cloned { match scaling {
[INFO] [stderr] 215 |     ValueScaling::NanosToMillis => *value = *value / 1_000_000,
[INFO] [stderr] 216 |     ValueScaling::NanosToMicros => *value = *value / 1_000,
[INFO] [stderr] 217 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:216:48
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 ValueScaling::NanosToMillis => *value = *value / 1_000_000,
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*value /= 1_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:217:48
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 ValueScaling::NanosToMicros => *value = *value / 1_000,
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*value /= 1_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:299:60
[INFO] [stderr]     |
[INFO] [stderr] 299 |         let nanos = (duration.as_secs() * 1_000_000_000) + (duration.subsec_nanos() as u64);
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:271:24
[INFO] [stderr]     |
[INFO] [stderr] 271 |         ItemKind::UInt(what as u64)
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try: `u64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:277:24
[INFO] [stderr]     |
[INFO] [stderr] 277 |         ItemKind::UInt(what as u64)
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try: `u64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:283:24
[INFO] [stderr]     |
[INFO] [stderr] 283 |         ItemKind::UInt(what as u64)
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: try: `u64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:301:23
[INFO] [stderr]     |
[INFO] [stderr] 301 |         ItemKind::Int(what as i64)
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: try: `i64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i16 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:307:23
[INFO] [stderr]     |
[INFO] [stderr] 307 |         ItemKind::Int(what as i64)
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: try: `i64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:313:23
[INFO] [stderr]     |
[INFO] [stderr] 313 |         ItemKind::Int(what as i64)
[INFO] [stderr]     |                       ^^^^^^^^^^^ help: try: `i64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/snapshot.rs:343:25
[INFO] [stderr]     |
[INFO] [stderr] 343 |         ItemKind::Float(what as f64)
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: try: `f64::from(what)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 | /         match cloned {
[INFO] [stderr] 215 | |             Observation::ObservedOneValue { ref mut value, .. } => match scaling {
[INFO] [stderr] 216 | |                 ValueScaling::NanosToMillis => *value = *value / 1_000_000,
[INFO] [stderr] 217 | |                 ValueScaling::NanosToMicros => *value = *value / 1_000,
[INFO] [stderr] 218 | |             },
[INFO] [stderr] 219 | |             _ => (),
[INFO] [stderr] 220 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 214 |         if let Observation::ObservedOneValue { ref mut value, .. } = cloned { match scaling {
[INFO] [stderr] 215 |     ValueScaling::NanosToMillis => *value = *value / 1_000_000,
[INFO] [stderr] 216 |     ValueScaling::NanosToMicros => *value = *value / 1_000,
[INFO] [stderr] 217 | } }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:216:48
[INFO] [stderr]     |
[INFO] [stderr] 216 |                 ValueScaling::NanosToMillis => *value = *value / 1_000_000,
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*value /= 1_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/lib.rs:217:48
[INFO] [stderr]     |
[INFO] [stderr] 217 |                 ValueScaling::NanosToMicros => *value = *value / 1_000,
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*value /= 1_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/lib.rs:299:60
[INFO] [stderr]     |
[INFO] [stderr] 299 |         let nanos = (duration.as_secs() * 1_000_000_000) + (duration.subsec_nanos() as u64);
[INFO] [stderr]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u64::from(duration.subsec_nanos())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `metrix`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `metrix`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "af047700e17cd274ee65178ec3d29803e594d58da552843cd2655a32616d528c"`
[INFO] running `"docker" "rm" "-f" "af047700e17cd274ee65178ec3d29803e594d58da552843cd2655a32616d528c"`
[INFO] [stdout] af047700e17cd274ee65178ec3d29803e594d58da552843cd2655a32616d528c