Dec 17 22:49:05.492 INFO checking irazorx1/lucky_check against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:49:05.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/irazorx1/lucky_check:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:49:05.764 INFO [stdout] 491587a3c150df6e4ec9d0f8ecba3c7701fbdcd42ff643e5c441702a08eba831
Dec 17 22:49:05.766 INFO running `"docker" "start" "-a" "491587a3c150df6e4ec9d0f8ecba3c7701fbdcd42ff643e5c441702a08eba831"`
Dec 17 22:49:06.451 INFO [stderr]     Checking lucky_check v0.1.0 (/opt/crater/workdir)
Dec 17 22:49:06.761 INFO [stderr] warning: unused import: `black_box`
Dec 17 22:49:06.761 INFO [stderr]   --> src/main.rs:97:25
Dec 17 22:49:06.761 INFO [stderr]    |
Dec 17 22:49:06.761 INFO [stderr] 97 |     use test::{Bencher, black_box};
Dec 17 22:49:06.761 INFO [stderr]    |                         ^^^^^^^^^
Dec 17 22:49:06.761 INFO [stderr]    |
Dec 17 22:49:06.761 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 22:49:06.761 INFO [stderr] 
Dec 17 22:49:06.761 INFO [stderr] warning: unused import: `rayon::*`
Dec 17 22:49:06.761 INFO [stderr]   --> src/main.rs:98:9
Dec 17 22:49:06.761 INFO [stderr]    |
Dec 17 22:49:06.761 INFO [stderr] 98 |     use rayon::*;
Dec 17 22:49:06.761 INFO [stderr]    |         ^^^^^^^^
Dec 17 22:49:06.761 INFO [stderr] 
Dec 17 22:49:06.824 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 17 22:49:06.824 INFO [stderr]   --> src/main.rs:82:5
Dec 17 22:49:06.824 INFO [stderr]    |
Dec 17 22:49:06.824 INFO [stderr] 82 | use rayon::prelude::*;
Dec 17 22:49:06.824 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 22:49:06.824 INFO [stderr]    |
Dec 17 22:49:06.824 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 22:49:06.824 INFO [stderr] 
Dec 17 22:49:06.824 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 17 22:49:06.824 INFO [stderr]   --> src/main.rs:19:13
Dec 17 22:49:06.824 INFO [stderr]    |
Dec 17 22:49:06.824 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 17 22:49:06.824 INFO [stderr]    |             ^^^^^^^^^^
Dec 17 22:49:06.824 INFO [stderr]    |
Dec 17 22:49:06.824 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 22:49:06.824 INFO [stderr] 
Dec 17 22:49:06.824 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:49:06.824 INFO [stderr]  --> src/main.rs:7:9
Dec 17 22:49:06.824 INFO [stderr]   |
Dec 17 22:49:06.824 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 17 22:49:06.824 INFO [stderr]   |         ----^
Dec 17 22:49:06.825 INFO [stderr]   |         |
Dec 17 22:49:06.825 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:49:06.825 INFO [stderr]   |
Dec 17 22:49:06.825 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 22:49:06.825 INFO [stderr] 
Dec 17 22:49:06.832 INFO [stderr] warning: function is never used: `is_lucky_string`
Dec 17 22:49:06.832 INFO [stderr]  --> src/main.rs:6:1
Dec 17 22:49:06.832 INFO [stderr]   |
Dec 17 22:49:06.832 INFO [stderr] 6 | fn is_lucky_string(num: u32) -> bool {
Dec 17 22:49:06.832 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:49:06.832 INFO [stderr]   |
Dec 17 22:49:06.832 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:49:06.832 INFO [stderr] 
Dec 17 22:49:06.832 INFO [stderr] warning: function is never used: `is_lucky_u32_2`
Dec 17 22:49:06.832 INFO [stderr]   --> src/main.rs:55:1
Dec 17 22:49:06.832 INFO [stderr]    |
Dec 17 22:49:06.832 INFO [stderr] 55 | fn is_lucky_u32_2(number: u32) -> bool {
Dec 17 22:49:06.832 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:49:06.832 INFO [stderr] 
Dec 17 22:49:06.832 INFO [stderr] warning: function is never used: `contains_number`
Dec 17 22:49:06.832 INFO [stderr]   --> src/main.rs:65:1
Dec 17 22:49:06.832 INFO [stderr]    |
Dec 17 22:49:06.832 INFO [stderr] 65 | fn contains_number(number: u32, check: u32) -> bool {
Dec 17 22:49:06.832 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:49:06.832 INFO [stderr] 
Dec 17 22:49:06.866 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 17 22:49:06.866 INFO [stderr]   --> src/main.rs:82:5
Dec 17 22:49:06.866 INFO [stderr]    |
Dec 17 22:49:06.866 INFO [stderr] 82 | use rayon::prelude::*;
Dec 17 22:49:06.866 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 22:49:06.866 INFO [stderr] 
Dec 17 22:49:06.870 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 17 22:49:06.870 INFO [stderr]   --> src/main.rs:19:13
Dec 17 22:49:06.870 INFO [stderr]    |
Dec 17 22:49:06.870 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 17 22:49:06.870 INFO [stderr]    |             ^^^^^^^^^^
Dec 17 22:49:06.870 INFO [stderr]    |
Dec 17 22:49:06.870 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 22:49:06.870 INFO [stderr] 
Dec 17 22:49:06.874 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:49:06.874 INFO [stderr]  --> src/main.rs:7:9
Dec 17 22:49:06.874 INFO [stderr]   |
Dec 17 22:49:06.874 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 17 22:49:06.874 INFO [stderr]   |         ----^
Dec 17 22:49:06.874 INFO [stderr]   |         |
Dec 17 22:49:06.874 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:49:06.874 INFO [stderr]   |
Dec 17 22:49:06.874 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 22:49:06.874 INFO [stderr] 
Dec 17 22:49:06.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 17 22:49:07.228 INFO running `"docker" "inspect" "491587a3c150df6e4ec9d0f8ecba3c7701fbdcd42ff643e5c441702a08eba831"`
Dec 17 22:49:07.327 INFO running `"docker" "rm" "-f" "491587a3c150df6e4ec9d0f8ecba3c7701fbdcd42ff643e5c441702a08eba831"`
Dec 17 22:49:07.417 INFO [stdout] 491587a3c150df6e4ec9d0f8ecba3c7701fbdcd42ff643e5c441702a08eba831