Nov 27 16:39:00.694 INFO checking yatendernitk/rust-codes against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 27 16:39:00.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 16:39:01.277 INFO [stdout] 18dcdea5ce243f5e477b8e805aba89daf27ff8edc636321129ba24195237255e
Nov 27 16:39:01.282 INFO running `"docker" "start" "-a" "18dcdea5ce243f5e477b8e805aba89daf27ff8edc636321129ba24195237255e"`
Nov 27 16:39:02.872 INFO [stderr] usermod: no changes
Nov 27 16:39:02.924 INFO [stderr]     Checking libc v0.2.32
Nov 27 16:39:04.088 INFO [stderr]     Checking rand v0.3.17
Nov 27 16:39:05.612 INFO [stderr]     Checking hello v0.0.1 (/source)
Nov 27 16:39:05.784 INFO [stderr] warning: variable does not need to be mutable
Nov 27 16:39:05.785 INFO [stderr]   --> src/main.rs:46:9
Nov 27 16:39:05.785 INFO [stderr]    |
Nov 27 16:39:05.785 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Nov 27 16:39:05.785 INFO [stderr]    |         ----^^^^^
Nov 27 16:39:05.786 INFO [stderr]    |         |
Nov 27 16:39:05.786 INFO [stderr]    |         help: remove this `mut`
Nov 27 16:39:05.786 INFO [stderr]    |
Nov 27 16:39:05.787 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 16:39:05.787 INFO [stderr] 
Nov 27 16:39:05.787 INFO [stderr] warning: function is never used: `guessing`
Nov 27 16:39:05.787 INFO [stderr]   --> src/main.rs:34:1
Nov 27 16:39:05.787 INFO [stderr]    |
Nov 27 16:39:05.788 INFO [stderr] 34 | fn guessing() {
Nov 27 16:39:05.788 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 27 16:39:05.788 INFO [stderr]    |
Nov 27 16:39:05.788 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 16:39:05.789 INFO [stderr] 
Nov 27 16:39:05.984 INFO [stderr] warning: variable does not need to be mutable
Nov 27 16:39:05.985 INFO [stderr]   --> src/main.rs:46:9
Nov 27 16:39:05.985 INFO [stderr]    |
Nov 27 16:39:05.985 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Nov 27 16:39:05.986 INFO [stderr]    |         ----^^^^^
Nov 27 16:39:05.986 INFO [stderr]    |         |
Nov 27 16:39:05.986 INFO [stderr]    |         help: remove this `mut`
Nov 27 16:39:05.987 INFO [stderr]    |
Nov 27 16:39:05.987 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 27 16:39:05.987 INFO [stderr] 
Nov 27 16:39:05.988 INFO [stderr] warning: function is never used: `guessing`
Nov 27 16:39:05.988 INFO [stderr]   --> src/main.rs:34:1
Nov 27 16:39:05.988 INFO [stderr]    |
Nov 27 16:39:05.988 INFO [stderr] 34 | fn guessing() {
Nov 27 16:39:05.989 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 27 16:39:05.989 INFO [stderr]    |
Nov 27 16:39:05.989 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 27 16:39:05.990 INFO [stderr] 
Nov 27 16:39:06.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
Nov 27 16:39:06.021 INFO [stderr] su: No module specific data is present
Nov 27 16:39:06.744 INFO running `"docker" "inspect" "18dcdea5ce243f5e477b8e805aba89daf27ff8edc636321129ba24195237255e"`
Nov 27 16:39:07.058 INFO running `"docker" "rm" "-f" "18dcdea5ce243f5e477b8e805aba89daf27ff8edc636321129ba24195237255e"`
Nov 27 16:39:07.336 INFO [stdout] 18dcdea5ce243f5e477b8e805aba89daf27ff8edc636321129ba24195237255e