Dec 04 06:39:18.467 INFO checking yatendernitk/rust-codes against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:39:18.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 06:39:18.907 INFO [stdout] 2de72c7e872dd23cfb6e987ac8dbdcd8f6252e093542fa2c6e31100fd5551873
Dec 04 06:39:18.909 INFO running `"docker" "start" "-a" "2de72c7e872dd23cfb6e987ac8dbdcd8f6252e093542fa2c6e31100fd5551873"`
Dec 04 06:39:20.139 INFO [stderr] usermod: no changes
Dec 04 06:39:20.203 INFO [stderr]     Checking libc v0.2.32
Dec 04 06:39:21.319 INFO [stderr]     Checking rand v0.3.17
Dec 04 06:39:22.990 INFO [stderr]     Checking hello v0.0.1 (/source)
Dec 04 06:39:23.323 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:39:23.323 INFO [stderr]   --> src/main.rs:46:9
Dec 04 06:39:23.323 INFO [stderr]    |
Dec 04 06:39:23.323 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Dec 04 06:39:23.323 INFO [stderr]    |         ----^^^^^
Dec 04 06:39:23.323 INFO [stderr]    |         |
Dec 04 06:39:23.323 INFO [stderr]    |         help: remove this `mut`
Dec 04 06:39:23.323 INFO [stderr]    |
Dec 04 06:39:23.323 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 06:39:23.323 INFO [stderr] 
Dec 04 06:39:23.323 INFO [stderr] warning: function is never used: `guessing`
Dec 04 06:39:23.323 INFO [stderr]   --> src/main.rs:34:1
Dec 04 06:39:23.323 INFO [stderr]    |
Dec 04 06:39:23.323 INFO [stderr] 34 | fn guessing() {
Dec 04 06:39:23.323 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 04 06:39:23.323 INFO [stderr]    |
Dec 04 06:39:23.323 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 06:39:23.323 INFO [stderr] 
Dec 04 06:39:23.415 INFO [stderr] warning: variable does not need to be mutable
Dec 04 06:39:23.415 INFO [stderr]   --> src/main.rs:46:9
Dec 04 06:39:23.415 INFO [stderr]    |
Dec 04 06:39:23.415 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Dec 04 06:39:23.415 INFO [stderr]    |         ----^^^^^
Dec 04 06:39:23.415 INFO [stderr]    |         |
Dec 04 06:39:23.415 INFO [stderr]    |         help: remove this `mut`
Dec 04 06:39:23.415 INFO [stderr]    |
Dec 04 06:39:23.415 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 06:39:23.415 INFO [stderr] 
Dec 04 06:39:23.415 INFO [stderr] warning: function is never used: `guessing`
Dec 04 06:39:23.415 INFO [stderr]   --> src/main.rs:34:1
Dec 04 06:39:23.415 INFO [stderr]    |
Dec 04 06:39:23.415 INFO [stderr] 34 | fn guessing() {
Dec 04 06:39:23.415 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 04 06:39:23.415 INFO [stderr]    |
Dec 04 06:39:23.415 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 06:39:23.415 INFO [stderr] 
Dec 04 06:39:23.438 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Dec 04 06:39:23.443 INFO [stderr] su: No module specific data is present
Dec 04 06:39:24.304 INFO running `"docker" "inspect" "2de72c7e872dd23cfb6e987ac8dbdcd8f6252e093542fa2c6e31100fd5551873"`
Dec 04 06:39:24.548 INFO running `"docker" "rm" "-f" "2de72c7e872dd23cfb6e987ac8dbdcd8f6252e093542fa2c6e31100fd5551873"`
Dec 04 06:39:24.807 INFO [stdout] 2de72c7e872dd23cfb6e987ac8dbdcd8f6252e093542fa2c6e31100fd5551873