Dec 17 22:49:06.655 INFO checking irazorx1/lucky_check against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:49:06.655 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:49:06.901 INFO [stdout] 7bcd6da7295eff364d5c202b6416f3c845f2e5da4f6bd34135266a88e95176c1
Dec 17 22:49:06.903 INFO running `"docker" "start" "-a" "7bcd6da7295eff364d5c202b6416f3c845f2e5da4f6bd34135266a88e95176c1"`
Dec 17 22:49:07.566 INFO [stderr]     Checking lucky_check v0.1.0 (/opt/crater/workdir)
Dec 17 22:49:07.800 INFO [stderr] warning: unused import: `black_box`
Dec 17 22:49:07.800 INFO [stderr]   --> src/main.rs:97:25
Dec 17 22:49:07.800 INFO [stderr]    |
Dec 17 22:49:07.800 INFO [stderr] 97 |     use test::{Bencher, black_box};
Dec 17 22:49:07.800 INFO [stderr]    |                         ^^^^^^^^^
Dec 17 22:49:07.800 INFO [stderr]    |
Dec 17 22:49:07.800 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 22:49:07.800 INFO [stderr] 
Dec 17 22:49:07.800 INFO [stderr] warning: unused import: `rayon::*`
Dec 17 22:49:07.800 INFO [stderr]   --> src/main.rs:98:9
Dec 17 22:49:07.800 INFO [stderr]    |
Dec 17 22:49:07.800 INFO [stderr] 98 |     use rayon::*;
Dec 17 22:49:07.800 INFO [stderr]    |         ^^^^^^^^
Dec 17 22:49:07.800 INFO [stderr] 
Dec 17 22:49:07.868 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 17 22:49:07.868 INFO [stderr]   --> src/main.rs:82:5
Dec 17 22:49:07.868 INFO [stderr]    |
Dec 17 22:49:07.868 INFO [stderr] 82 | use rayon::prelude::*;
Dec 17 22:49:07.868 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 22:49:07.868 INFO [stderr]    |
Dec 17 22:49:07.868 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 22:49:07.868 INFO [stderr] 
Dec 17 22:49:07.871 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 17 22:49:07.871 INFO [stderr]   --> src/main.rs:19:13
Dec 17 22:49:07.871 INFO [stderr]    |
Dec 17 22:49:07.871 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 17 22:49:07.871 INFO [stderr]    |             ^^^^^^^^^^
Dec 17 22:49:07.871 INFO [stderr]    |
Dec 17 22:49:07.871 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 22:49:07.871 INFO [stderr] 
Dec 17 22:49:07.872 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:49:07.873 INFO [stderr]  --> src/main.rs:7:9
Dec 17 22:49:07.876 INFO [stderr]   |
Dec 17 22:49:07.876 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 17 22:49:07.876 INFO [stderr]   |         ----^
Dec 17 22:49:07.876 INFO [stderr]   |         |
Dec 17 22:49:07.876 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:49:07.876 INFO [stderr]   |
Dec 17 22:49:07.876 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 22:49:07.876 INFO [stderr] 
Dec 17 22:49:07.877 INFO [stderr] warning: function is never used: `is_lucky_string`
Dec 17 22:49:07.877 INFO [stderr]  --> src/main.rs:6:1
Dec 17 22:49:07.877 INFO [stderr]   |
Dec 17 22:49:07.877 INFO [stderr] 6 | fn is_lucky_string(num: u32) -> bool {
Dec 17 22:49:07.877 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:49:07.877 INFO [stderr]   |
Dec 17 22:49:07.877 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 22:49:07.877 INFO [stderr] 
Dec 17 22:49:07.877 INFO [stderr] warning: function is never used: `is_lucky_u32_2`
Dec 17 22:49:07.877 INFO [stderr]   --> src/main.rs:55:1
Dec 17 22:49:07.877 INFO [stderr]    |
Dec 17 22:49:07.877 INFO [stderr] 55 | fn is_lucky_u32_2(number: u32) -> bool {
Dec 17 22:49:07.877 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:49:07.877 INFO [stderr] 
Dec 17 22:49:07.877 INFO [stderr] warning: function is never used: `contains_number`
Dec 17 22:49:07.877 INFO [stderr]   --> src/main.rs:65:1
Dec 17 22:49:07.877 INFO [stderr]    |
Dec 17 22:49:07.877 INFO [stderr] 65 | fn contains_number(number: u32, check: u32) -> bool {
Dec 17 22:49:07.877 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:49:07.877 INFO [stderr] 
Dec 17 22:49:07.911 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 17 22:49:07.911 INFO [stderr]   --> src/main.rs:82:5
Dec 17 22:49:07.911 INFO [stderr]    |
Dec 17 22:49:07.911 INFO [stderr] 82 | use rayon::prelude::*;
Dec 17 22:49:07.911 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 22:49:07.911 INFO [stderr] 
Dec 17 22:49:07.916 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 17 22:49:07.916 INFO [stderr]   --> src/main.rs:19:13
Dec 17 22:49:07.916 INFO [stderr]    |
Dec 17 22:49:07.916 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 17 22:49:07.916 INFO [stderr]    |             ^^^^^^^^^^
Dec 17 22:49:07.916 INFO [stderr]    |
Dec 17 22:49:07.916 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 22:49:07.916 INFO [stderr] 
Dec 17 22:49:07.921 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:49:07.921 INFO [stderr]  --> src/main.rs:7:9
Dec 17 22:49:07.921 INFO [stderr]   |
Dec 17 22:49:07.921 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 17 22:49:07.921 INFO [stderr]   |         ----^
Dec 17 22:49:07.921 INFO [stderr]   |         |
Dec 17 22:49:07.921 INFO [stderr]   |         help: remove this `mut`
Dec 17 22:49:07.921 INFO [stderr]   |
Dec 17 22:49:07.921 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 22:49:07.921 INFO [stderr] 
Dec 17 22:49:07.964 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Dec 17 22:49:08.253 INFO running `"docker" "inspect" "7bcd6da7295eff364d5c202b6416f3c845f2e5da4f6bd34135266a88e95176c1"`
Dec 17 22:49:08.341 INFO running `"docker" "rm" "-f" "7bcd6da7295eff364d5c202b6416f3c845f2e5da4f6bd34135266a88e95176c1"`
Dec 17 22:49:08.463 INFO [stdout] 7bcd6da7295eff364d5c202b6416f3c845f2e5da4f6bd34135266a88e95176c1