Dec 19 05:07:45.505 INFO checking yatendernitk/rust-codes against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 05:07:45.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/yatendernitk/rust-codes:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 05:07:45.996 INFO [stdout] 59dce2529aea24ad44d3f89e90874ca37d019ac3c09eada5892c6cb792adba33
Dec 19 05:07:46.003 INFO running `"docker" "start" "-a" "59dce2529aea24ad44d3f89e90874ca37d019ac3c09eada5892c6cb792adba33"`
Dec 19 05:07:47.684 INFO [stderr]     Checking hello v0.0.1 (/opt/crater/workdir)
Dec 19 05:07:48.082 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:07:48.082 INFO [stderr]   --> src/main.rs:46:9
Dec 19 05:07:48.083 INFO [stderr]    |
Dec 19 05:07:48.083 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Dec 19 05:07:48.083 INFO [stderr]    |         ----^^^^^
Dec 19 05:07:48.083 INFO [stderr]    |         |
Dec 19 05:07:48.083 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:07:48.083 INFO [stderr]    |
Dec 19 05:07:48.083 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:07:48.083 INFO [stderr] 
Dec 19 05:07:48.084 INFO [stderr] warning: function is never used: `guessing`
Dec 19 05:07:48.084 INFO [stderr]   --> src/main.rs:34:1
Dec 19 05:07:48.084 INFO [stderr]    |
Dec 19 05:07:48.084 INFO [stderr] 34 | fn guessing() {
Dec 19 05:07:48.084 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 19 05:07:48.084 INFO [stderr]    |
Dec 19 05:07:48.084 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:07:48.085 INFO [stderr] 
Dec 19 05:07:48.149 INFO [stderr] warning: variable does not need to be mutable
Dec 19 05:07:48.149 INFO [stderr]   --> src/main.rs:46:9
Dec 19 05:07:48.149 INFO [stderr]    |
Dec 19 05:07:48.149 INFO [stderr] 46 |     let mut guess: u32 = match guess.trim().parse() {
Dec 19 05:07:48.149 INFO [stderr]    |         ----^^^^^
Dec 19 05:07:48.149 INFO [stderr]    |         |
Dec 19 05:07:48.149 INFO [stderr]    |         help: remove this `mut`
Dec 19 05:07:48.149 INFO [stderr]    |
Dec 19 05:07:48.149 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 05:07:48.149 INFO [stderr] 
Dec 19 05:07:48.149 INFO [stderr] warning: function is never used: `guessing`
Dec 19 05:07:48.149 INFO [stderr]   --> src/main.rs:34:1
Dec 19 05:07:48.149 INFO [stderr]    |
Dec 19 05:07:48.149 INFO [stderr] 34 | fn guessing() {
Dec 19 05:07:48.149 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 19 05:07:48.149 INFO [stderr]    |
Dec 19 05:07:48.149 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 05:07:48.149 INFO [stderr] 
Dec 19 05:07:48.200 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Dec 19 05:07:48.911 INFO running `"docker" "inspect" "59dce2529aea24ad44d3f89e90874ca37d019ac3c09eada5892c6cb792adba33"`
Dec 19 05:07:49.242 INFO running `"docker" "rm" "-f" "59dce2529aea24ad44d3f89e90874ca37d019ac3c09eada5892c6cb792adba33"`
Dec 19 05:07:49.604 INFO [stdout] 59dce2529aea24ad44d3f89e90874ca37d019ac3c09eada5892c6cb792adba33