Dec 04 23:15:54.974 INFO checking aarthiKarthik/Rust-Basics against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:15:54.974 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 23:15:55.264 INFO [stdout] 0bbdc09476595471a57820c6ded724db422cb0b4f125726c863dc99a83bf4583
Dec 04 23:15:55.269 INFO running `"docker" "start" "-a" "0bbdc09476595471a57820c6ded724db422cb0b4f125726c863dc99a83bf4583"`
Dec 04 23:15:56.073 INFO [stderr] usermod: no changes
Dec 04 23:15:56.131 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Dec 04 23:15:56.247 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 04 23:15:56.247 INFO [stderr]  --> src/main.rs:2:10
Dec 04 23:15:56.247 INFO [stderr]   |
Dec 04 23:15:56.247 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 04 23:15:56.247 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 04 23:15:56.247 INFO [stderr]   |
Dec 04 23:15:56.247 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 04 23:15:56.247 INFO [stderr] 
Dec 04 23:15:56.271 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 04 23:15:56.271 INFO [stderr]  --> src/main.rs:2:10
Dec 04 23:15:56.271 INFO [stderr]   |
Dec 04 23:15:56.271 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 04 23:15:56.271 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 04 23:15:56.271 INFO [stderr]   |
Dec 04 23:15:56.271 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 04 23:15:56.271 INFO [stderr] 
Dec 04 23:15:56.626 INFO [stderr] warning: unused variable: `a`
Dec 04 23:15:56.627 INFO [stderr]   --> src/main.rs:88:6
Dec 04 23:15:56.627 INFO [stderr]    |
Dec 04 23:15:56.627 INFO [stderr] 88 |     let a = 123;
Dec 04 23:15:56.627 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 04 23:15:56.627 INFO [stderr]    |
Dec 04 23:15:56.627 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:15:56.627 INFO [stderr] 
Dec 04 23:15:56.735 INFO [stderr] warning: unused variable: `a`
Dec 04 23:15:56.735 INFO [stderr]   --> src/main.rs:88:6
Dec 04 23:15:56.735 INFO [stderr]    |
Dec 04 23:15:56.735 INFO [stderr] 88 |     let a = 123;
Dec 04 23:15:56.735 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 04 23:15:56.735 INFO [stderr]    |
Dec 04 23:15:56.735 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 23:15:56.735 INFO [stderr] 
Dec 04 23:15:56.759 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 04 23:15:56.763 INFO [stderr] su: No module specific data is present
Dec 04 23:15:57.053 INFO running `"docker" "inspect" "0bbdc09476595471a57820c6ded724db422cb0b4f125726c863dc99a83bf4583"`
Dec 04 23:15:57.170 INFO running `"docker" "rm" "-f" "0bbdc09476595471a57820c6ded724db422cb0b4f125726c863dc99a83bf4583"`
Dec 04 23:15:57.255 INFO [stdout] 0bbdc09476595471a57820c6ded724db422cb0b4f125726c863dc99a83bf4583