Dec 12 04:10:28.459 INFO checking 8flag/hello_rust against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 04:10:28.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 04:10:28.709 INFO [stdout] 678b1c8a4b34738cd2580b1c2092babd3ad3b2daa82c66a7ebd3158e4410de92
Dec 12 04:10:28.711 INFO running `"docker" "start" "-a" "678b1c8a4b34738cd2580b1c2092babd3ad3b2daa82c66a7ebd3158e4410de92"`
Dec 12 04:10:29.296 INFO [stderr] usermod: no changes
Dec 12 04:10:29.323 INFO [stderr]     Checking hello_rust v0.1.0 (/source)
Dec 12 04:10:29.742 INFO [stderr] warning: unused variable: `b`
Dec 12 04:10:29.742 INFO [stderr]  --> src/main.rs:5:9
Dec 12 04:10:29.743 INFO [stderr]   |
Dec 12 04:10:29.743 INFO [stderr] 5 |     let b:&str = &a;
Dec 12 04:10:29.744 INFO [stderr]   |         ^ help: consider using `_b` instead
Dec 12 04:10:29.744 INFO [stderr]   |
Dec 12 04:10:29.744 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 04:10:29.744 INFO [stderr] 
Dec 12 04:10:29.839 INFO [stderr] warning: unused variable: `b`
Dec 12 04:10:29.839 INFO [stderr]  --> src/main.rs:5:9
Dec 12 04:10:29.839 INFO [stderr]   |
Dec 12 04:10:29.839 INFO [stderr] 5 |     let b:&str = &a;
Dec 12 04:10:29.839 INFO [stderr]   |         ^ help: consider using `_b` instead
Dec 12 04:10:29.839 INFO [stderr]   |
Dec 12 04:10:29.839 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 04:10:29.839 INFO [stderr] 
Dec 12 04:10:29.853 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 12 04:10:29.857 INFO [stderr] su: No module specific data is present
Dec 12 04:10:30.248 INFO running `"docker" "inspect" "678b1c8a4b34738cd2580b1c2092babd3ad3b2daa82c66a7ebd3158e4410de92"`
Dec 12 04:10:30.338 INFO running `"docker" "rm" "-f" "678b1c8a4b34738cd2580b1c2092babd3ad3b2daa82c66a7ebd3158e4410de92"`
Dec 12 04:10:30.463 INFO [stdout] 678b1c8a4b34738cd2580b1c2092babd3ad3b2daa82c66a7ebd3158e4410de92