[INFO] cloning repository https://github.com/geirmundsimonsen/rust-osc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geirmundsimonsen/rust-osc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeirmundsimonsen%2Frust-osc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeirmundsimonsen%2Frust-osc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c6f9b536f458ba8c66f8e5fffbeb35461e18463
[INFO] checking geirmundsimonsen/rust-osc against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeirmundsimonsen%2Frust-osc" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geirmundsimonsen/rust-osc on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/geirmundsimonsen/rust-osc
[INFO] finished tweaking git repo https://github.com/geirmundsimonsen/rust-osc
[INFO] tweaked toml for git repo https://github.com/geirmundsimonsen/rust-osc written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/geirmundsimonsen/rust-osc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5831cddd5f832563a464cfbfb4b9f9c29277b7ba93b2143f9f44d51b3d3575cf
[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" "5831cddd5f832563a464cfbfb4b9f9c29277b7ba93b2143f9f44d51b3d3575cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5831cddd5f832563a464cfbfb4b9f9c29277b7ba93b2143f9f44d51b3d3575cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5831cddd5f832563a464cfbfb4b9f9c29277b7ba93b2143f9f44d51b3d3575cf", kill_on_drop: false }`
[INFO] [stdout] 5831cddd5f832563a464cfbfb4b9f9c29277b7ba93b2143f9f44d51b3d3575cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e44cecef322bf2cc9acf02a88c2fb000c2aa1e1a1c2ff9ddfe827efa914eb92c
[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" "e44cecef322bf2cc9acf02a88c2fb000c2aa1e1a1c2ff9ddfe827efa914eb92c", kill_on_drop: false }`
[INFO] [stderr]     Checking osc2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `argNo`
[INFO] [stdout]    --> src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn change(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argNo`
[INFO] [stdout]    --> src/lib.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn remove(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/lib.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn address(address: &str) {
[INFO] [stdout]     |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `argNo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn change(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `argNo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn remove(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `removeAll` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn removeAll() {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `remove_all`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argNo`
[INFO] [stdout]    --> src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn change(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `argNo`
[INFO] [stdout]    --> src/lib.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn remove(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]    --> src/lib.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn address(address: &str) {
[INFO] [stdout]     |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `argNo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub fn change(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `argNo` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:112:16
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn remove(argNo: u32) {
[INFO] [stdout]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `removeAll` should have a snake case name
[INFO] [stdout]    --> src/lib.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn removeAll() {
[INFO] [stdout]     |            ^^^^^^^^^ help: convert the identifier to snake case: `remove_all`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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/main.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     socket.send_to(msg.get_bytes(), "127.0.0.1:57120");
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:2
[INFO] [stdout]    |
[INFO] [stdout] 14 |     socket.send_to(msg.get_bytes(), "127.0.0.1:57120");
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "e44cecef322bf2cc9acf02a88c2fb000c2aa1e1a1c2ff9ddfe827efa914eb92c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44cecef322bf2cc9acf02a88c2fb000c2aa1e1a1c2ff9ddfe827efa914eb92c", kill_on_drop: false }`
[INFO] [stdout] e44cecef322bf2cc9acf02a88c2fb000c2aa1e1a1c2ff9ddfe827efa914eb92c