Nov 27 16:38:55.261 INFO checking yatendernitk/rust-codes against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 27 16:38:55.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 27 16:38:55.798 INFO [stdout] efe0ca8426afd9e4275da00ef87b010d0fe7ca035d6b592be7dc52003ca86400
Nov 27 16:38:55.801 INFO running `"docker" "start" "-a" "efe0ca8426afd9e4275da00ef87b010d0fe7ca035d6b592be7dc52003ca86400"`
Nov 27 16:38:58.187 INFO [stderr] usermod: no changes
Nov 27 16:38:58.292 INFO [stderr]     Checking hello v0.0.1 (/source)
Nov 27 16:38:58.605 INFO [stderr] warning: variable does not need to be mutable
Nov 27 16:38:58.605 INFO [stderr]   --> src/main.rs:46:9
Nov 27 16:38:58.605 INFO [stderr]    |
Nov 27 16:38:58.605 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Nov 27 16:38:58.605 INFO [stderr]    |         ----^^^^^
Nov 27 16:38:58.605 INFO [stderr]    |         |
Nov 27 16:38:58.606 INFO [stderr]    |         help: remove this `mut`
Nov 27 16:38:58.606 INFO [stderr]    |
Nov 27 16:38:58.606 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 16:38:58.607 INFO [stderr] 
Nov 27 16:38:58.614 INFO [stderr] warning: function is never used: `guessing`
Nov 27 16:38:58.615 INFO [stderr]   --> src/main.rs:34:1
Nov 27 16:38:58.615 INFO [stderr]    |
Nov 27 16:38:58.616 INFO [stderr] 34 | fn guessing() {
Nov 27 16:38:58.616 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 27 16:38:58.617 INFO [stderr]    |
Nov 27 16:38:58.617 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 16:38:58.617 INFO [stderr] 
Nov 27 16:38:58.628 INFO [stderr] warning: variable does not need to be mutable
Nov 27 16:38:58.629 INFO [stderr]   --> src/main.rs:46:9
Nov 27 16:38:58.629 INFO [stderr]    |
Nov 27 16:38:58.629 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Nov 27 16:38:58.630 INFO [stderr]    |         ----^^^^^
Nov 27 16:38:58.630 INFO [stderr]    |         |
Nov 27 16:38:58.630 INFO [stderr]    |         help: remove this `mut`
Nov 27 16:38:58.630 INFO [stderr]    |
Nov 27 16:38:58.630 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 16:38:58.630 INFO [stderr] 
Nov 27 16:38:58.631 INFO [stderr] warning: function is never used: `guessing`
Nov 27 16:38:58.631 INFO [stderr]   --> src/main.rs:34:1
Nov 27 16:38:58.631 INFO [stderr]    |
Nov 27 16:38:58.631 INFO [stderr] 34 | fn guessing() {
Nov 27 16:38:58.631 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 27 16:38:58.631 INFO [stderr]    |
Nov 27 16:38:58.631 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 16:38:58.631 INFO [stderr] 
Nov 27 16:38:58.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
Nov 27 16:38:58.664 INFO [stderr] su: No module specific data is present
Nov 27 16:38:59.966 INFO running `"docker" "inspect" "efe0ca8426afd9e4275da00ef87b010d0fe7ca035d6b592be7dc52003ca86400"`
Nov 27 16:39:00.254 INFO running `"docker" "rm" "-f" "efe0ca8426afd9e4275da00ef87b010d0fe7ca035d6b592be7dc52003ca86400"`
Nov 27 16:39:00.617 INFO [stdout] efe0ca8426afd9e4275da00ef87b010d0fe7ca035d6b592be7dc52003ca86400