Nov 29 14:33:21.824 INFO checking yatendernitk/rust-codes against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 14:33:21.825 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 14:33:22.249 INFO [stdout] f204ac33fbfd34dacf74b5878955aa1e8b371e3717e64e4e253cb72c9f5861fd
Nov 29 14:33:22.251 INFO running `"docker" "start" "-a" "f204ac33fbfd34dacf74b5878955aa1e8b371e3717e64e4e253cb72c9f5861fd"`
Nov 29 14:33:23.392 INFO [stderr] usermod: no changes
Nov 29 14:33:23.446 INFO [stderr]     Checking libc v0.2.32
Nov 29 14:33:24.648 INFO [stderr]     Checking rand v0.3.17
Nov 29 14:33:26.272 INFO [stderr]     Checking hello v0.0.1 (/source)
Nov 29 14:33:26.584 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:33:26.584 INFO [stderr]   --> src/main.rs:46:9
Nov 29 14:33:26.584 INFO [stderr]    |
Nov 29 14:33:26.584 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Nov 29 14:33:26.584 INFO [stderr]    |         ----^^^^^
Nov 29 14:33:26.584 INFO [stderr]    |         |
Nov 29 14:33:26.584 INFO [stderr]    |         help: remove this `mut`
Nov 29 14:33:26.584 INFO [stderr]    |
Nov 29 14:33:26.584 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 14:33:26.584 INFO [stderr] 
Nov 29 14:33:26.584 INFO [stderr] warning: function is never used: `guessing`
Nov 29 14:33:26.584 INFO [stderr]   --> src/main.rs:34:1
Nov 29 14:33:26.584 INFO [stderr]    |
Nov 29 14:33:26.584 INFO [stderr] 34 | fn guessing() {
Nov 29 14:33:26.584 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 29 14:33:26.584 INFO [stderr]    |
Nov 29 14:33:26.584 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 14:33:26.584 INFO [stderr] 
Nov 29 14:33:26.644 INFO [stderr] warning: variable does not need to be mutable
Nov 29 14:33:26.644 INFO [stderr]   --> src/main.rs:46:9
Nov 29 14:33:26.644 INFO [stderr]    |
Nov 29 14:33:26.644 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Nov 29 14:33:26.644 INFO [stderr]    |         ----^^^^^
Nov 29 14:33:26.644 INFO [stderr]    |         |
Nov 29 14:33:26.644 INFO [stderr]    |         help: remove this `mut`
Nov 29 14:33:26.644 INFO [stderr]    |
Nov 29 14:33:26.644 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 29 14:33:26.644 INFO [stderr] 
Nov 29 14:33:26.648 INFO [stderr] warning: function is never used: `guessing`
Nov 29 14:33:26.648 INFO [stderr]   --> src/main.rs:34:1
Nov 29 14:33:26.648 INFO [stderr]    |
Nov 29 14:33:26.648 INFO [stderr] 34 | fn guessing() {
Nov 29 14:33:26.648 INFO [stderr]    | ^^^^^^^^^^^^^
Nov 29 14:33:26.648 INFO [stderr]    |
Nov 29 14:33:26.648 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 14:33:26.648 INFO [stderr] 
Nov 29 14:33:26.696 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Nov 29 14:33:26.696 INFO [stderr] su: No module specific data is present
Nov 29 14:33:27.388 INFO running `"docker" "inspect" "f204ac33fbfd34dacf74b5878955aa1e8b371e3717e64e4e253cb72c9f5861fd"`
Nov 29 14:33:27.714 INFO running `"docker" "rm" "-f" "f204ac33fbfd34dacf74b5878955aa1e8b371e3717e64e4e253cb72c9f5861fd"`
Nov 29 14:33:28.068 INFO [stdout] f204ac33fbfd34dacf74b5878955aa1e8b371e3717e64e4e253cb72c9f5861fd