[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#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeirmundsimonsen%2Frust-osc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geirmundsimonsen/rust-osc on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1847b7ca2e39dbfdf75fbf91f2aa3461222bd4261ac483c5b9798bc5094a4f5c
[INFO] running `Command { std: "docker" "start" "-a" "1847b7ca2e39dbfdf75fbf91f2aa3461222bd4261ac483c5b9798bc5094a4f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1847b7ca2e39dbfdf75fbf91f2aa3461222bd4261ac483c5b9798bc5094a4f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1847b7ca2e39dbfdf75fbf91f2aa3461222bd4261ac483c5b9798bc5094a4f5c", kill_on_drop: false }`
[INFO] [stdout] 1847b7ca2e39dbfdf75fbf91f2aa3461222bd4261ac483c5b9798bc5094a4f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf734417e02317ece4a4c969ef70368fbea7f32a066b712bb8bae5c7ac666a7
[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" "ccf734417e02317ece4a4c969ef70368fbea7f32a066b712bb8bae5c7ac666a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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: 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: unused `std::result::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 `std::result::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 1.25s
[INFO] running `Command { std: "docker" "inspect" "ccf734417e02317ece4a4c969ef70368fbea7f32a066b712bb8bae5c7ac666a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf734417e02317ece4a4c969ef70368fbea7f32a066b712bb8bae5c7ac666a7", kill_on_drop: false }`
[INFO] [stdout] ccf734417e02317ece4a4c969ef70368fbea7f32a066b712bb8bae5c7ac666a7