Dec 04 11:32:45.058 INFO checking robinhad/learning-rust against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 11:32:45.058 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 11:32:45.536 INFO [stdout] 5772d25d8c01268809b809b26acedaed967b2d8b4931df7aada3ce4cbdccf8eb
Dec 04 11:32:45.543 INFO running `"docker" "start" "-a" "5772d25d8c01268809b809b26acedaed967b2d8b4931df7aada3ce4cbdccf8eb"`
Dec 04 11:32:46.650 INFO [stderr] usermod: no changes
Dec 04 11:32:46.755 INFO [stderr]     Checking learning-rust v0.1.0 (/source)
Dec 04 11:32:47.159 INFO [stderr] warning: function is never used: `second_word`
Dec 04 11:32:47.159 INFO [stderr]   --> src/main.rs:20:1
Dec 04 11:32:47.159 INFO [stderr]    |
Dec 04 11:32:47.159 INFO [stderr] 20 | fn second_word(s: &String) -> &str {
Dec 04 11:32:47.159 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:32:47.159 INFO [stderr]    |
Dec 04 11:32:47.159 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 11:32:47.159 INFO [stderr] 
Dec 04 11:32:47.219 INFO [stderr] warning: function is never used: `second_word`
Dec 04 11:32:47.219 INFO [stderr]   --> src/main.rs:20:1
Dec 04 11:32:47.219 INFO [stderr]    |
Dec 04 11:32:47.219 INFO [stderr] 20 | fn second_word(s: &String) -> &str {
Dec 04 11:32:47.219 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:32:47.219 INFO [stderr]    |
Dec 04 11:32:47.219 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 11:32:47.219 INFO [stderr] 
Dec 04 11:32:47.247 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 04 11:32:47.255 INFO [stderr] su: No module specific data is present
Dec 04 11:32:48.095 INFO running `"docker" "inspect" "5772d25d8c01268809b809b26acedaed967b2d8b4931df7aada3ce4cbdccf8eb"`
Dec 04 11:32:48.445 INFO running `"docker" "rm" "-f" "5772d25d8c01268809b809b26acedaed967b2d8b4931df7aada3ce4cbdccf8eb"`
Dec 04 11:32:48.831 INFO [stdout] 5772d25d8c01268809b809b26acedaed967b2d8b4931df7aada3ce4cbdccf8eb