Dec 19 15:38:17.440 INFO checking irazorx1/lucky_check against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:38:17.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:38:17.750 INFO [stdout] d0db7c7108ab7ca5dc834c814f9603bd5e6f6372c0c7460bcb857ad7de857e26
Dec 19 15:38:17.752 INFO running `"docker" "start" "-a" "d0db7c7108ab7ca5dc834c814f9603bd5e6f6372c0c7460bcb857ad7de857e26"`
Dec 19 15:38:18.318 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 15:38:18.860 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 15:38:19.187 INFO [stderr]     Checking rayon-core v1.4.1
Dec 19 15:38:19.763 INFO [stderr]     Checking rayon v1.0.2
Dec 19 15:38:22.820 INFO [stderr]     Checking lucky_check v0.1.0 (/opt/crater/workdir)
Dec 19 15:38:23.156 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 19 15:38:23.156 INFO [stderr]   --> src/main.rs:82:5
Dec 19 15:38:23.156 INFO [stderr]    |
Dec 19 15:38:23.156 INFO [stderr] 82 | use rayon::prelude::*;
Dec 19 15:38:23.156 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 15:38:23.156 INFO [stderr]    |
Dec 19 15:38:23.156 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 15:38:23.156 INFO [stderr] 
Dec 19 15:38:23.156 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 19 15:38:23.156 INFO [stderr]   --> src/main.rs:19:13
Dec 19 15:38:23.156 INFO [stderr]    |
Dec 19 15:38:23.156 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 19 15:38:23.156 INFO [stderr]    |             ^^^^^^^^^^
Dec 19 15:38:23.156 INFO [stderr]    |
Dec 19 15:38:23.156 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 15:38:23.156 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 15:38:23.156 INFO [stderr] 
Dec 19 15:38:23.156 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:38:23.156 INFO [stderr]  --> src/main.rs:7:9
Dec 19 15:38:23.156 INFO [stderr]   |
Dec 19 15:38:23.157 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 19 15:38:23.157 INFO [stderr]   |         ----^
Dec 19 15:38:23.157 INFO [stderr]   |         |
Dec 19 15:38:23.157 INFO [stderr]   |         help: remove this `mut`
Dec 19 15:38:23.157 INFO [stderr]   |
Dec 19 15:38:23.157 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 15:38:23.157 INFO [stderr] 
Dec 19 15:38:23.160 INFO [stderr] warning: function is never used: `is_lucky_string`
Dec 19 15:38:23.160 INFO [stderr]  --> src/main.rs:6:1
Dec 19 15:38:23.160 INFO [stderr]   |
Dec 19 15:38:23.160 INFO [stderr] 6 | fn is_lucky_string(num: u32) -> bool {
Dec 19 15:38:23.160 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:38:23.160 INFO [stderr]   |
Dec 19 15:38:23.160 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 15:38:23.160 INFO [stderr] 
Dec 19 15:38:23.160 INFO [stderr] warning: function is never used: `is_lucky_u32_2`
Dec 19 15:38:23.160 INFO [stderr]   --> src/main.rs:55:1
Dec 19 15:38:23.160 INFO [stderr]    |
Dec 19 15:38:23.160 INFO [stderr] 55 | fn is_lucky_u32_2(number: u32) -> bool {
Dec 19 15:38:23.160 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:38:23.160 INFO [stderr] 
Dec 19 15:38:23.160 INFO [stderr] warning: function is never used: `contains_number`
Dec 19 15:38:23.160 INFO [stderr]   --> src/main.rs:65:1
Dec 19 15:38:23.160 INFO [stderr]    |
Dec 19 15:38:23.160 INFO [stderr] 65 | fn contains_number(number: u32, check: u32) -> bool {
Dec 19 15:38:23.160 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:38:23.160 INFO [stderr] 
Dec 19 15:38:23.252 INFO [stderr] warning: unused import: `black_box`
Dec 19 15:38:23.252 INFO [stderr]   --> src/main.rs:97:25
Dec 19 15:38:23.252 INFO [stderr]    |
Dec 19 15:38:23.252 INFO [stderr] 97 |     use test::{Bencher, black_box};
Dec 19 15:38:23.252 INFO [stderr]    |                         ^^^^^^^^^
Dec 19 15:38:23.252 INFO [stderr]    |
Dec 19 15:38:23.252 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 15:38:23.252 INFO [stderr] 
Dec 19 15:38:23.252 INFO [stderr] warning: unused import: `rayon::*`
Dec 19 15:38:23.252 INFO [stderr]   --> src/main.rs:98:9
Dec 19 15:38:23.252 INFO [stderr]    |
Dec 19 15:38:23.252 INFO [stderr] 98 |     use rayon::*;
Dec 19 15:38:23.252 INFO [stderr]    |         ^^^^^^^^
Dec 19 15:38:23.252 INFO [stderr] 
Dec 19 15:38:23.373 INFO [stderr] warning: unused import: `rayon::prelude`
Dec 19 15:38:23.373 INFO [stderr]   --> src/main.rs:82:5
Dec 19 15:38:23.373 INFO [stderr]    |
Dec 19 15:38:23.373 INFO [stderr] 82 | use rayon::prelude::*;
Dec 19 15:38:23.373 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 15:38:23.374 INFO [stderr] 
Dec 19 15:38:23.380 INFO [stderr] warning: value assigned to `last_digit` is never read
Dec 19 15:38:23.380 INFO [stderr]   --> src/main.rs:19:13
Dec 19 15:38:23.380 INFO [stderr]    |
Dec 19 15:38:23.380 INFO [stderr] 19 |     let mut last_digit = 0;
Dec 19 15:38:23.380 INFO [stderr]    |             ^^^^^^^^^^
Dec 19 15:38:23.380 INFO [stderr]    |
Dec 19 15:38:23.380 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 15:38:23.380 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 15:38:23.380 INFO [stderr] 
Dec 19 15:38:23.382 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:38:23.382 INFO [stderr]  --> src/main.rs:7:9
Dec 19 15:38:23.382 INFO [stderr]   |
Dec 19 15:38:23.382 INFO [stderr] 7 |     let mut s = num.to_string();
Dec 19 15:38:23.382 INFO [stderr]   |         ----^
Dec 19 15:38:23.382 INFO [stderr]   |         |
Dec 19 15:38:23.382 INFO [stderr]   |         help: remove this `mut`
Dec 19 15:38:23.382 INFO [stderr]   |
Dec 19 15:38:23.382 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 19 15:38:23.382 INFO [stderr] 
Dec 19 15:38:23.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
Dec 19 15:38:24.210 INFO running `"docker" "inspect" "d0db7c7108ab7ca5dc834c814f9603bd5e6f6372c0c7460bcb857ad7de857e26"`
Dec 19 15:38:24.459 INFO running `"docker" "rm" "-f" "d0db7c7108ab7ca5dc834c814f9603bd5e6f6372c0c7460bcb857ad7de857e26"`
Dec 19 15:38:24.712 INFO [stdout] d0db7c7108ab7ca5dc834c814f9603bd5e6f6372c0c7460bcb857ad7de857e26