[INFO] cloning repository https://github.com/IntegratedMillSystems/rconpro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IntegratedMillSystems/rconpro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIntegratedMillSystems%2Frconpro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIntegratedMillSystems%2Frconpro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f945be1722891b9edad72597787dcd88af7b988
[INFO] checking IntegratedMillSystems/rconpro against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIntegratedMillSystems%2Frconpro" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IntegratedMillSystems/rconpro on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IntegratedMillSystems/rconpro
[INFO] finished tweaking git repo https://github.com/IntegratedMillSystems/rconpro
[INFO] tweaked toml for git repo https://github.com/IntegratedMillSystems/rconpro written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/IntegratedMillSystems/rconpro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 345fb590cc9eda8262a3fc32e05ba5ab251f26b18ae39bf2fc4fc5881f33efb6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "345fb590cc9eda8262a3fc32e05ba5ab251f26b18ae39bf2fc4fc5881f33efb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "345fb590cc9eda8262a3fc32e05ba5ab251f26b18ae39bf2fc4fc5881f33efb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345fb590cc9eda8262a3fc32e05ba5ab251f26b18ae39bf2fc4fc5881f33efb6", kill_on_drop: false }`
[INFO] [stdout] 345fb590cc9eda8262a3fc32e05ba5ab251f26b18ae39bf2fc4fc5881f33efb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e5850d1b8ddbba23fb4b052a494a2bcaf42a5db605e5979a9acd183ad96b7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84e5850d1b8ddbba23fb4b052a494a2bcaf42a5db605e5979a9acd183ad96b7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking pyconpro-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> src/service.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicU32, Ordering};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eip`
[INFO] [stdout]   --> src/service.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{eip, Consumer};
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ordering`
[INFO] [stdout]  --> src/service.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{AtomicU32, Ordering};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eip`
[INFO] [stdout]   --> src/service.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{eip, Consumer};
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sockets.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut socket = UdpSocket::bind(("0.0.0.0", CONPRO_PORT))?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_active_consumer_count`
[INFO] [stdout]   --> src/plc.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub(crate) fn increment_active_consumer_count(&mut self) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_plc_addr`
[INFO] [stdout]   --> src/consumer.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |   pub(crate) fn get_plc_addr(&self) -> &str {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/sockets.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let mut socket = UdpSocket::bind(("0.0.0.0", CONPRO_PORT))?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sockets.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     socket.set_read_timeout(Some(timeout));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `increment_active_consumer_count`
[INFO] [stdout]   --> src/plc.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub(crate) fn increment_active_consumer_count(&mut self) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_plc_addr`
[INFO] [stdout]   --> src/consumer.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |   pub(crate) fn get_plc_addr(&self) -> &str {
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/sockets.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     socket.set_read_timeout(Some(timeout));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.24s
[INFO] running `Command { std: "docker" "inspect" "84e5850d1b8ddbba23fb4b052a494a2bcaf42a5db605e5979a9acd183ad96b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e5850d1b8ddbba23fb4b052a494a2bcaf42a5db605e5979a9acd183ad96b7c", kill_on_drop: false }`
[INFO] [stdout] 84e5850d1b8ddbba23fb4b052a494a2bcaf42a5db605e5979a9acd183ad96b7c