[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#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelbymcroberts%2Frouteros_exporter" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/welbymcroberts/routeros_exporter on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded tungstenite v0.17.3
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[INFO] [stderr]   Downloaded warp v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded openssl v0.10.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf5b1117a85c3a79e717c3ad18b3534b560754570f9615c472a7994be08aa1c
[INFO] running `Command { std: "docker" "start" "-a" "fbf5b1117a85c3a79e717c3ad18b3534b560754570f9615c472a7994be08aa1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf5b1117a85c3a79e717c3ad18b3534b560754570f9615c472a7994be08aa1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf5b1117a85c3a79e717c3ad18b3534b560754570f9615c472a7994be08aa1c", kill_on_drop: false }`
[INFO] [stdout] fbf5b1117a85c3a79e717c3ad18b3534b560754570f9615c472a7994be08aa1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d59f5fd8019a571678f44ba66d60c3ceb0c388ff0c5e72475987897842828340
[INFO] running `Command { std: "docker" "start" "-a" "d59f5fd8019a571678f44ba66d60c3ceb0c388ff0c5e72475987897842828340", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
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[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[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]    Compiling openssl v0.10.60
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking digest v0.10.6
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[INFO] [stderr]    Compiling native-tls v0.2.8
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[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.13.1
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[INFO] [stderr]     Checking getrandom v0.2.4
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[INFO] [stderr]     Checking rand_core v0.6.3
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[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 thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
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[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
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[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking serde-aux v3.0.1
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[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: 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_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: 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_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 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] [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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.03s
[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" "d59f5fd8019a571678f44ba66d60c3ceb0c388ff0c5e72475987897842828340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d59f5fd8019a571678f44ba66d60c3ceb0c388ff0c5e72475987897842828340", kill_on_drop: false }`
[INFO] [stdout] d59f5fd8019a571678f44ba66d60c3ceb0c388ff0c5e72475987897842828340
