[INFO] cloning repository https://github.com/nizram/ping-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nizram/ping-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnizram%2Fping-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnizram%2Fping-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 757f1b05ba3828e5b8bf822d6e200703bef5113c
[INFO] checking nizram/ping-monitor against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnizram%2Fping-monitor" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nizram/ping-monitor
[INFO] finished tweaking git repo https://github.com/nizram/ping-monitor
[INFO] tweaked toml for git repo https://github.com/nizram/ping-monitor written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nizram/ping-monitor on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nizram/ping-monitor 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 663df5622c43371c5b1f00f9a3f0c9afd3981464676459c23adf6ecc9e0de34f
[INFO] running `Command { std: "docker" "start" "-a" "663df5622c43371c5b1f00f9a3f0c9afd3981464676459c23adf6ecc9e0de34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "663df5622c43371c5b1f00f9a3f0c9afd3981464676459c23adf6ecc9e0de34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663df5622c43371c5b1f00f9a3f0c9afd3981464676459c23adf6ecc9e0de34f", kill_on_drop: false }`
[INFO] [stdout] 663df5622c43371c5b1f00f9a3f0c9afd3981464676459c23adf6ecc9e0de34f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3633b7a939788a507ea4714696a04dfeb0b2337ae93623660bdc7e81732fc62
[INFO] running `Command { std: "docker" "start" "-a" "d3633b7a939788a507ea4714696a04dfeb0b2337ae93623660bdc7e81732fc62", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/monitor.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::{SocketAddr, ToSocketAddrs, IpAddr};
[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 imports: `Client`, `Config`, `PingIdentifier`, and `PingSequence`
[INFO] [stdout]   --> src/monitor.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use surge_ping::{Client, Config, PingIdentifier, PingSequence};
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/monitor.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::{SocketAddr, ToSocketAddrs, IpAddr};
[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 imports: `Client`, `Config`, `PingIdentifier`, and `PingSequence`
[INFO] [stdout]   --> src/monitor.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use surge_ping::{Client, Config, PingIdentifier, PingSequence};
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/monitor.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::{SocketAddr, ToSocketAddrs, IpAddr};
[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 imports: `Client`, `Config`, `PingIdentifier`, and `PingSequence`
[INFO] [stdout]   --> src/monitor.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use surge_ping::{Client, Config, PingIdentifier, PingSequence};
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> src/monitor.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::net::{SocketAddr, ToSocketAddrs, IpAddr};
[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 imports: `Client`, `Config`, `PingIdentifier`, and `PingSequence`
[INFO] [stdout]   --> src/monitor.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use surge_ping::{Client, Config, PingIdentifier, PingSequence};
[INFO] [stdout]    |                  ^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_system` and `update_system` are never used
[INFO] [stdout]    --> src/config.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl Config {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn remove_system(&mut self, index: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn update_system(&mut self, index: usize, system: SystemConfig) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_system` and `update_system` are never used
[INFO] [stdout]    --> src/config.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  39 | impl Config {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn remove_system(&mut self, index: usize) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn update_system(&mut self, index: usize, system: SystemConfig) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/config.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl SystemConfig {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 113 |     pub fn new(name: String, host: String, port: Option<u16>, protocol: Protocol) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_system` is never used
[INFO] [stdout]    --> src/monitor.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl MonitorManager {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn get_system(&self, id: Uuid) -> Option<SystemStatus> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/config.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl SystemConfig {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] 113 |     pub fn new(name: String, host: String, port: Option<u16>, protocol: Protocol) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_system` is never used
[INFO] [stdout]    --> src/monitor.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout]  79 | impl MonitorManager {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn get_system(&self, id: Uuid) -> Option<SystemStatus> {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "d3633b7a939788a507ea4714696a04dfeb0b2337ae93623660bdc7e81732fc62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3633b7a939788a507ea4714696a04dfeb0b2337ae93623660bdc7e81732fc62", kill_on_drop: false }`
[INFO] [stdout] d3633b7a939788a507ea4714696a04dfeb0b2337ae93623660bdc7e81732fc62