[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] testing welbymcroberts/routeros_exporter against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwelbymcroberts%2Frouteros_exporter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/welbymcroberts/routeros_exporter on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a149c594cab134770038dd645a50867977e0717f7644f2069495b63f39a5417
[INFO] running `Command { std: "docker" "start" "-a" "2a149c594cab134770038dd645a50867977e0717f7644f2069495b63f39a5417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a149c594cab134770038dd645a50867977e0717f7644f2069495b63f39a5417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a149c594cab134770038dd645a50867977e0717f7644f2069495b63f39a5417", kill_on_drop: false }`
[INFO] [stdout] 2a149c594cab134770038dd645a50867977e0717f7644f2069495b63f39a5417
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fa43bd2c4b5acea588632f16887a79787084e679519d127515bdda661cf3c81
[INFO] running `Command { std: "docker" "start" "-a" "4fa43bd2c4b5acea588632f16887a79787084e679519d127515bdda661cf3c81", kill_on_drop: false }`
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[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.8
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[INFO] [stderr]    Compiling digest v0.10.6
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[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling sha-1 v0.10.1
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[INFO] [stderr]    Compiling multipart v0.18.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[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]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tungstenite v0.17.3
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.2
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling h2 v0.3.17
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling secrecy v0.8.0
[INFO] [stderr]    Compiling serde-aux v3.0.1
[INFO] [stderr]    Compiling config v0.11.0
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling warp v0.3.3
[INFO] [stderr]    Compiling reqwest v0.11.9
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 09s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "4fa43bd2c4b5acea588632f16887a79787084e679519d127515bdda661cf3c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fa43bd2c4b5acea588632f16887a79787084e679519d127515bdda661cf3c81", kill_on_drop: false }`
[INFO] [stdout] 4fa43bd2c4b5acea588632f16887a79787084e679519d127515bdda661cf3c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f0f0646f6defd3ab3b756caee160f1b129cf53cdff42b1abdec9ac61368294
[INFO] running `Command { std: "docker" "start" "-a" "47f0f0646f6defd3ab3b756caee160f1b129cf53cdff42b1abdec9ac61368294", kill_on_drop: false }`
[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: 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] [stderr]    Compiling routeros_exporter v0.1.0 (/opt/rustwide/workdir)
[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::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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.94s
[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 1`
[INFO] running `Command { std: "docker" "inspect" "47f0f0646f6defd3ab3b756caee160f1b129cf53cdff42b1abdec9ac61368294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f0f0646f6defd3ab3b756caee160f1b129cf53cdff42b1abdec9ac61368294", kill_on_drop: false }`
[INFO] [stdout] 47f0f0646f6defd3ab3b756caee160f1b129cf53cdff42b1abdec9ac61368294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3afb7f9930a157968d171947a5ea9b4788a7a5a3f7737188715989cee3f21d6b
[INFO] running `Command { std: "docker" "start" "-a" "3afb7f9930a157968d171947a5ea9b4788a7a5a3f7737188715989cee3f21d6b", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/helpers.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/interfaces.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/interfaces_monitor.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/interfaces_poe.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/ip_firewall_filter.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/ip_firewall_mangle.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/ip_firewall_nat.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/ip_firewall_raw.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/collectors/system_health.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/collectors/system_health.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/interfaces.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/interfaces_monitor.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/interfaces_poe.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/ip_firewall_filter.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/ip_firewall_mangle.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/ip_firewall_nat.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/ip_firewall_raw.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/system_health.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ----^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/collectors/system_health.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                                     ----^^^^^^
[INFO] [stderr]    |                                     |
[INFO] [stderr]    |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/interfaces.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/interfaces.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/interfaces_monitor.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/interfaces_monitor.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/interfaces_poe.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/interfaces_poe.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `status` is never read
[INFO] [stderr]   --> src/collectors/interfaces_poe.rs:99:38
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 let mut status: u8 = 255;
[INFO] [stderr]    |                                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/ip_firewall_filter.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/ip_firewall_filter.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/ip_firewall_mangle.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/ip_firewall_mangle.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/ip_firewall_nat.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/ip_firewall_nat.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/ip_firewall_raw.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/ip_firewall_raw.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `now`
[INFO] [stderr]   --> src/collectors/system_health.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errored`
[INFO] [stderr]   --> src/collectors/system_health.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errored`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `labels`
[INFO] [stderr]   --> src/collectors/system_health.rs:41:37
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (now, mut ret, mut errored, mut labels) = collector_preamble();
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value` is never read
[INFO] [stderr]   --> src/collectors/system_health.rs:56:29
[INFO] [stderr]    |
[INFO] [stderr] 56 |             let mut value = "";
[INFO] [stderr]    |                             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `routeros_exporter` (lib) generated 38 warnings (run `cargo fix --lib -p routeros_exporter` to apply 36 suggestions)
[INFO] [stderr] warning: `routeros_exporter` (lib test) generated 38 warnings (38 duplicates)
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Collectors`
[INFO] [stderr]   --> src/main.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 | use routeros_exporter::configuration::{Collectors, get_configuration};
[INFO] [stderr]    |                                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `routeros_exporter` (bin "routeros_exporter" test) generated 2 warnings (run `cargo fix --bin "routeros_exporter" -p routeros_exporter --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[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 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/routeros_exporter-cdebc01df8d3800c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/routeros_exporter-bc3dc6f2a02934bf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests routeros_exporter
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3afb7f9930a157968d171947a5ea9b4788a7a5a3f7737188715989cee3f21d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afb7f9930a157968d171947a5ea9b4788a7a5a3f7737188715989cee3f21d6b", kill_on_drop: false }`
[INFO] [stdout] 3afb7f9930a157968d171947a5ea9b4788a7a5a3f7737188715989cee3f21d6b
