[INFO] crate metrix 0.9.2 is already in cache
[INFO] extracting crate metrix 0.9.2 into work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/reg/metrix/0.9.2
[INFO] extracting crate metrix 0.9.2 into work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/metrix/0.9.2
[INFO] validating manifest of metrix-0.9.2 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of metrix-0.9.2 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/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/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/metrix/0.9.2/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking metrix-0.9.2 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/reg/metrix/0.9.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0ac8a8dab8c6f5f801252a2891601396ceef8e369efbcfd1443f5a9928201474
[INFO] running `"docker" "start" "-a" "0ac8a8dab8c6f5f801252a2891601396ceef8e369efbcfd1443f5a9928201474"`
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking exponential-decay-histogram v0.1.4
[INFO] [stderr]     Checking metrics v0.2.3
[INFO] [stderr]     Checking metrix v0.9.2 (/opt/crater/workdir)
[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: 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: 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 prefixing with an underscore: `_into`
[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 prefixing with an underscore: `_descriptive`
[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: 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: 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 prefixing with an underscore: `_into`
[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 prefixing with an underscore: `_descriptive`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `"docker" "inspect" "0ac8a8dab8c6f5f801252a2891601396ceef8e369efbcfd1443f5a9928201474"`
[INFO] running `"docker" "rm" "-f" "0ac8a8dab8c6f5f801252a2891601396ceef8e369efbcfd1443f5a9928201474"`
[INFO] [stdout] 0ac8a8dab8c6f5f801252a2891601396ceef8e369efbcfd1443f5a9928201474