Dec 12 01:37:48.072 INFO checking Mandar-Shinde/rust-alerts against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 01:37:48.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 01:37:48.626 INFO [stdout] 324a76ec6c492fdc576ef93b3bbf2141cef5f826fa5053741cb1613398adf2ba
Dec 12 01:37:48.628 INFO running `"docker" "start" "-a" "324a76ec6c492fdc576ef93b3bbf2141cef5f826fa5053741cb1613398adf2ba"`
Dec 12 01:37:50.397 INFO [stderr] usermod: no changes
Dec 12 01:37:50.452 INFO [stderr]     Checking alerts v0.1.0 (/source)
Dec 12 01:37:51.471 INFO [stderr] warning: unused variable: `head`
Dec 12 01:37:51.471 INFO [stderr]   --> src/alert.rs:33:18
Dec 12 01:37:51.471 INFO [stderr]    |
Dec 12 01:37:51.471 INFO [stderr] 33 | fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
Dec 12 01:37:51.471 INFO [stderr]    |                  ^^^^ help: consider using `_head` instead
Dec 12 01:37:51.471 INFO [stderr]    |
Dec 12 01:37:51.471 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:37:51.471 INFO [stderr] 
Dec 12 01:37:51.621 INFO [stderr] warning: unused variable: `head`
Dec 12 01:37:51.622 INFO [stderr]   --> src/alert.rs:33:18
Dec 12 01:37:51.624 INFO [stderr]    |
Dec 12 01:37:51.624 INFO [stderr] 33 | fn alert_message(head: &str,msg: &str,_wflags: i32) -> Result<(), Error> {
Dec 12 01:37:51.624 INFO [stderr]    |                  ^^^^ help: consider using `_head` instead
Dec 12 01:37:51.624 INFO [stderr]    |
Dec 12 01:37:51.624 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 01:37:51.624 INFO [stderr] 
Dec 12 01:37:51.645 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Dec 12 01:37:51.647 INFO [stderr] su: No module specific data is present
Dec 12 01:37:52.420 INFO running `"docker" "inspect" "324a76ec6c492fdc576ef93b3bbf2141cef5f826fa5053741cb1613398adf2ba"`
Dec 12 01:37:52.730 INFO running `"docker" "rm" "-f" "324a76ec6c492fdc576ef93b3bbf2141cef5f826fa5053741cb1613398adf2ba"`
Dec 12 01:37:52.984 INFO [stdout] 324a76ec6c492fdc576ef93b3bbf2141cef5f826fa5053741cb1613398adf2ba