[INFO] updating cached repository https://github.com/geirmundsimonsen/rust-osc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c6f9b536f458ba8c66f8e5fffbeb35461e18463
[INFO] checking geirmundsimonsen/rust-osc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeirmundsimonsen%2Frust-osc" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/geirmundsimonsen/rust-osc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/geirmundsimonsen/rust-osc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5b75e07bbad661017145ff55f11b52ce93c4dab6fbf9b9f8e92745b7a682c82
[INFO] running `"docker" "start" "-a" "b5b75e07bbad661017145ff55f11b52ce93c4dab6fbf9b9f8e92745b7a682c82"`
[INFO] [stderr]     Checking osc2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `argNo`
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn change(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argNo`
[INFO] [stderr]    --> src/lib.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn remove(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/lib.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn address(address: &str) {
[INFO] [stderr]     |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `argNo` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn change(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `argNo` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn remove(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stderr] 
[INFO] [stderr] warning: method `removeAll` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn removeAll() {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `remove_all`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argNo`
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn change(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `argNo`
[INFO] [stderr]    --> src/lib.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn remove(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_argNo`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]    --> src/lib.rs:120:17
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn address(address: &str) {
[INFO] [stderr]     |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `argNo` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn change(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `argNo` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:112:16
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn remove(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: convert the identifier to snake case: `arg_no`
[INFO] [stderr] 
[INFO] [stderr] warning: method `removeAll` should have a snake case name
[INFO] [stderr]    --> src/lib.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn removeAll() {
[INFO] [stderr]     |            ^^^^^^^^^ help: convert the identifier to snake case: `remove_all`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     socket.send_to(msg.get_bytes(), "127.0.0.1:57120");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:14:2
[INFO] [stderr]    |
[INFO] [stderr] 14 |     socket.send_to(msg.get_bytes(), "127.0.0.1:57120");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "b5b75e07bbad661017145ff55f11b52ce93c4dab6fbf9b9f8e92745b7a682c82"`
[INFO] running `"docker" "rm" "-f" "b5b75e07bbad661017145ff55f11b52ce93c4dab6fbf9b9f8e92745b7a682c82"`
[INFO] [stdout] b5b75e07bbad661017145ff55f11b52ce93c4dab6fbf9b9f8e92745b7a682c82