[INFO] cloning repository https://github.com/welbymcroberts/routeros_exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/welbymcroberts/routeros_exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelbymcroberts%2Frouteros_exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelbymcroberts%2Frouteros_exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f7c59cdb3d921ed9c75b4faa7c19113a3a9c503
[INFO] checking welbymcroberts/routeros_exporter against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelbymcroberts%2Frouteros_exporter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/welbymcroberts/routeros_exporter
[INFO] finished tweaking git repo https://github.com/welbymcroberts/routeros_exporter
[INFO] tweaked toml for git repo https://github.com/welbymcroberts/routeros_exporter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/welbymcroberts/routeros_exporter on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/welbymcroberts/routeros_exporter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.5.2
[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded multipart v0.18.0
[INFO] [stderr]   Downloaded serde-aux v3.0.1
[INFO] [stderr]   Downloaded headers v0.3.6
[INFO] [stderr]   Downloaded tracing v0.1.30
[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c81128e48b37638986c8aa4d84f9ff384411c94edbf98ebca0396190ffe15fc2
[INFO] running `Command { std: "docker" "start" "-a" "c81128e48b37638986c8aa4d84f9ff384411c94edbf98ebca0396190ffe15fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c81128e48b37638986c8aa4d84f9ff384411c94edbf98ebca0396190ffe15fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81128e48b37638986c8aa4d84f9ff384411c94edbf98ebca0396190ffe15fc2", kill_on_drop: false }`
[INFO] [stdout] c81128e48b37638986c8aa4d84f9ff384411c94edbf98ebca0396190ffe15fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f044746d9879c1ecb29affd8d21fefe4117705e9f3715187fccb15f7d8f1edc1
[INFO] running `Command { std: "docker" "start" "-a" "f044746d9879c1ecb29affd8d21fefe4117705e9f3715187fccb15f7d8f1edc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling openssl-sys v0.9.96
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking unicase v2.6.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking tracing v0.1.30
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking zeroize v1.5.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.60
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking headers v0.3.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-tungstenite v0.17.2
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking h2 v0.3.17
[INFO] [stderr]     Checking serde_json v1.0.78
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking serde-aux v3.0.1
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking warp v0.3.3
[INFO] [stderr]     Checking reqwest v0.11.9
[INFO] [stderr]     Checking routeros_exporter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/helpers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/interfaces.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/interfaces_monitor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/interfaces_poe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_filter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_mangle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_nat.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_raw.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/collectors/system_health.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/system_health.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/interfaces.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/interfaces_monitor.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_filter.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_mangle.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/helpers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/interfaces.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/interfaces_monitor.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/interfaces_poe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_filter.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_mangle.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_nat.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/ip_firewall_raw.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/collectors/system_health.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/collectors/system_health.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_nat.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_raw.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/system_health.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/system_health.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/interfaces.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/interfaces.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/interfaces_monitor.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/interfaces_monitor.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:99:38
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let mut status: u8 = 255;
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/interfaces.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_filter.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_filter.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_mangle.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_mangle.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_nat.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_nat.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_raw.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_raw.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/system_health.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/system_health.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/collectors/system_health.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/collectors/system_health.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut value = "";
[INFO] [stdout]    |                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/interfaces_monitor.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_filter.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_mangle.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_nat.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/ip_firewall_raw.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/system_health.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ----^^^^^^^
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/collectors/system_health.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                                     ----^^^^^^
[INFO] [stdout]    |                                     |
[INFO] [stdout]    |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/interfaces.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/interfaces.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/interfaces_monitor.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/interfaces_monitor.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]   --> src/collectors/interfaces_poe.rs:99:38
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 let mut status: u8 = 255;
[INFO] [stdout]    |                                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_filter.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_filter.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_mangle.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_mangle.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_nat.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_nat.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/ip_firewall_raw.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/ip_firewall_raw.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]   --> src/collectors/system_health.rs:41:10
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errored`
[INFO] [stdout]   --> src/collectors/system_health.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]   --> src/collectors/system_health.rs:41:37
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]   --> src/collectors/system_health.rs:56:29
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut value = "";
[INFO] [stdout]    |                             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Collectors`
[INFO] [stdout]   --> src/main.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | use routeros_exporter::configuration::{Collectors, get_configuration};
[INFO] [stdout]    |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Collectors`
[INFO] [stdout]   --> src/main.rs:14:40
[INFO] [stdout]    |
[INFO] [stdout] 14 | use routeros_exporter::configuration::{Collectors, get_configuration};
[INFO] [stdout]    |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "f044746d9879c1ecb29affd8d21fefe4117705e9f3715187fccb15f7d8f1edc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f044746d9879c1ecb29affd8d21fefe4117705e9f3715187fccb15f7d8f1edc1", kill_on_drop: false }`
[INFO] [stdout] f044746d9879c1ecb29affd8d21fefe4117705e9f3715187fccb15f7d8f1edc1
