Dec 04 17:09:24.459 INFO checking irazorx1/lucky_check against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:09:24.459 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 17:09:24.642 INFO [stdout] 6cbcddfed1738b26e7d757cdee5e0a3148fdd79f738848e4d6651a6f0ff054f9
Dec 04 17:09:24.644 INFO running `"docker" "start" "-a" "6cbcddfed1738b26e7d757cdee5e0a3148fdd79f738848e4d6651a6f0ff054f9"`
Dec 04 17:09:25.137 INFO [stderr] usermod: no changes
Dec 04 17:09:25.181 INFO [stderr]     Checking lucky_check v0.1.0 (/source)
Dec 04 17:09:25.845 INFO [stderr] warning: unused import: `black_box`
Dec 04 17:09:25.845 INFO [stderr]   --> src/main.rs:97:25
Dec 04 17:09:25.845 INFO [stderr]    |
Dec 04 17:09:25.845 INFO [stderr] 97 |     use test::{Bencher, black_box};
Dec 04 17:09:25.845 INFO [stderr]    |                         ^^^^^^^^^
Dec 04 17:09:25.845 INFO [stderr]    |
Dec 04 17:09:25.845 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 17:09:25.845 INFO [stderr] 
Dec 04 17:09:25.845 INFO [stderr] warning: unused import: `rayon::*`
Dec 04 17:09:25.845 INFO [stderr]   --> src/main.rs:98:9
Dec 04 17:09:25.845 INFO [stderr]    |
Dec 04 17:09:25.845 INFO [stderr] 98 |     use rayon::*;
Dec 04 17:09:25.845 INFO [stderr]    |         ^^^^^^^^
Dec 04 17:09:25.845 INFO [stderr] 
Dec 04 17:09:25.866 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 04 17:09:25.866 INFO [stderr]   --> src/main.rs:82:5
Dec 04 17:09:25.866 INFO [stderr]    |
Dec 04 17:09:25.866 INFO [stderr] 82 | use rayon::prelude::*;
Dec 04 17:09:25.866 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 17:09:25.866 INFO [stderr]    |
Dec 04 17:09:25.866 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 17:09:25.866 INFO [stderr] 
Dec 04 17:09:25.867 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 04 17:09:25.867 INFO [stderr]   --> src/main.rs:19:13
Dec 04 17:09:25.867 INFO [stderr]    |
Dec 04 17:09:25.867 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 04 17:09:25.867 INFO [stderr]    |             ^^^^^^^^^^
Dec 04 17:09:25.867 INFO [stderr]    |
Dec 04 17:09:25.867 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 17:09:25.867 INFO [stderr] 
Dec 04 17:09:25.868 INFO [stderr] warning: variable does not need to be mutable
Dec 04 17:09:25.868 INFO [stderr]  --> src/main.rs:7:9
Dec 04 17:09:25.868 INFO [stderr]   |
Dec 04 17:09:25.868 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 04 17:09:25.868 INFO [stderr]   |         ----^
Dec 04 17:09:25.868 INFO [stderr]   |         |
Dec 04 17:09:25.868 INFO [stderr]   |         help: remove this `mut`
Dec 04 17:09:25.868 INFO [stderr]   |
Dec 04 17:09:25.868 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 17:09:25.868 INFO [stderr] 
Dec 04 17:09:25.875 INFO [stderr] warning: function is never used: `is_lucky_string`
Dec 04 17:09:25.875 INFO [stderr]  --> src/main.rs:6:1
Dec 04 17:09:25.875 INFO [stderr]   |
Dec 04 17:09:25.875 INFO [stderr] 6 | fn is_lucky_string(num: u32) -> bool {
Dec 04 17:09:25.875 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:09:25.875 INFO [stderr]   |
Dec 04 17:09:25.875 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 17:09:25.875 INFO [stderr] 
Dec 04 17:09:25.875 INFO [stderr] warning: function is never used: `is_lucky_u32_2`
Dec 04 17:09:25.875 INFO [stderr]   --> src/main.rs:55:1
Dec 04 17:09:25.875 INFO [stderr]    |
Dec 04 17:09:25.875 INFO [stderr] 55 | fn is_lucky_u32_2(number: u32) -> bool {
Dec 04 17:09:25.875 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:09:25.875 INFO [stderr] 
Dec 04 17:09:25.875 INFO [stderr] warning: function is never used: `contains_number`
Dec 04 17:09:25.875 INFO [stderr]   --> src/main.rs:65:1
Dec 04 17:09:25.875 INFO [stderr]    |
Dec 04 17:09:25.875 INFO [stderr] 65 | fn contains_number(number: u32, check: u32) -> bool {
Dec 04 17:09:25.875 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 17:09:25.875 INFO [stderr] 
Dec 04 17:09:25.940 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 04 17:09:25.940 INFO [stderr]   --> src/main.rs:82:5
Dec 04 17:09:25.940 INFO [stderr]    |
Dec 04 17:09:25.940 INFO [stderr] 82 | use rayon::prelude::*;
Dec 04 17:09:25.940 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 04 17:09:25.940 INFO [stderr] 
Dec 04 17:09:25.944 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 04 17:09:25.944 INFO [stderr]   --> src/main.rs:19:13
Dec 04 17:09:25.944 INFO [stderr]    |
Dec 04 17:09:25.944 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 04 17:09:25.944 INFO [stderr]    |             ^^^^^^^^^^
Dec 04 17:09:25.944 INFO [stderr]    |
Dec 04 17:09:25.944 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 17:09:25.944 INFO [stderr] 
Dec 04 17:09:25.948 INFO [stderr] warning: variable does not need to be mutable
Dec 04 17:09:25.948 INFO [stderr]  --> src/main.rs:7:9
Dec 04 17:09:25.948 INFO [stderr]   |
Dec 04 17:09:25.948 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 04 17:09:25.948 INFO [stderr]   |         ----^
Dec 04 17:09:25.948 INFO [stderr]   |         |
Dec 04 17:09:25.948 INFO [stderr]   |         help: remove this `mut`
Dec 04 17:09:25.948 INFO [stderr]   |
Dec 04 17:09:25.948 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 17:09:25.948 INFO [stderr] 
Dec 04 17:09:25.979 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
Dec 04 17:09:25.983 INFO [stderr] su: No module specific data is present
Dec 04 17:09:26.373 INFO running `"docker" "inspect" "6cbcddfed1738b26e7d757cdee5e0a3148fdd79f738848e4d6651a6f0ff054f9"`
Dec 04 17:09:26.573 INFO running `"docker" "rm" "-f" "6cbcddfed1738b26e7d757cdee5e0a3148fdd79f738848e4d6651a6f0ff054f9"`
Dec 04 17:09:26.725 INFO [stdout] 6cbcddfed1738b26e7d757cdee5e0a3148fdd79f738848e4d6651a6f0ff054f9