[INFO] updating cached repository geirmundsimonsen/rust-osc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/geirmundsimonsen/rust-osc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/geirmundsimonsen/rust-osc" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/geirmundsimonsen/rust-osc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/geirmundsimonsen/rust-osc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/geirmundsimonsen/rust-osc" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/geirmundsimonsen/rust-osc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/geirmundsimonsen/rust-osc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c6f9b536f458ba8c66f8e5fffbeb35461e18463
[INFO] sha for GitHub repo geirmundsimonsen/rust-osc: 8c6f9b536f458ba8c66f8e5fffbeb35461e18463
[INFO] validating manifest of geirmundsimonsen/rust-osc on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of geirmundsimonsen/rust-osc on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing geirmundsimonsen/rust-osc
[INFO] finished frobbing geirmundsimonsen/rust-osc
[INFO] frobbed toml for geirmundsimonsen/rust-osc written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/geirmundsimonsen/rust-osc/Cargo.toml
[INFO] started frobbing geirmundsimonsen/rust-osc
[INFO] finished frobbing geirmundsimonsen/rust-osc
[INFO] frobbed toml for geirmundsimonsen/rust-osc written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/geirmundsimonsen/rust-osc/Cargo.toml
[INFO] crate geirmundsimonsen/rust-osc already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking geirmundsimonsen/rust-osc against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/geirmundsimonsen/rust-osc:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c978334350766bd5fdc7ed06805e42fdf8a80de8476bd1a04a7c5c8e7724892e
[INFO] running `"docker" "start" "-a" "c978334350766bd5fdc7ed06805e42fdf8a80de8476bd1a04a7c5c8e7724892e"`
[INFO] [stderr]     Checking osc2 v0.1.0 (/opt/crater/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: consider prefixing 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: consider prefixing 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: consider prefixing 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: unused variable: `argNo`
[INFO] [stderr]    --> src/lib.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn change(argNo: u32) {
[INFO] [stderr]     |                   ^^^^^ help: consider prefixing 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: consider prefixing 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: consider prefixing 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: 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "c978334350766bd5fdc7ed06805e42fdf8a80de8476bd1a04a7c5c8e7724892e"`
[INFO] running `"docker" "rm" "-f" "c978334350766bd5fdc7ed06805e42fdf8a80de8476bd1a04a7c5c8e7724892e"`
[INFO] [stdout] c978334350766bd5fdc7ed06805e42fdf8a80de8476bd1a04a7c5c8e7724892e