Oct 27 03:23:33.050 INFO checking irazorx1/lucky_check against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 03:23:33.050 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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"`
Oct 27 03:23:33.576 INFO blam! 88c005475fb2542b01f5e7cf08f9f3bc34c882555f443214b37b83708d6b9a19
Oct 27 03:23:33.578 INFO running `"docker" "start" "-a" "88c005475fb2542b01f5e7cf08f9f3bc34c882555f443214b37b83708d6b9a19"`
Oct 27 03:23:34.815 INFO kablam! usermod: no changes
Oct 27 03:23:34.899 INFO kablam!     Checking lucky_check v0.1.0 (/source)
Oct 27 03:23:35.783 INFO kablam! warning: unused import: `rayon::prelude`
Oct 27 03:23:35.783 INFO kablam!   --> src/main.rs:82:5
Oct 27 03:23:35.783 INFO kablam!    |
Oct 27 03:23:35.783 INFO kablam! 82 | use rayon::prelude::*;
Oct 27 03:23:35.783 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 27 03:23:35.783 INFO kablam!    |
Oct 27 03:23:35.783 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 03:23:35.783 INFO kablam! 
Oct 27 03:23:35.784 INFO kablam! warning: value assigned to `last_digit` is never read
Oct 27 03:23:35.785 INFO kablam!   --> src/main.rs:19:13
Oct 27 03:23:35.785 INFO kablam!    |
Oct 27 03:23:35.786 INFO kablam! 19 |     let mut last_digit = 0;
Oct 27 03:23:35.786 INFO kablam!    |             ^^^^^^^^^^
Oct 27 03:23:35.786 INFO kablam!    |
Oct 27 03:23:35.786 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 03:23:35.786 INFO kablam! 
Oct 27 03:23:35.786 INFO kablam! warning: variable does not need to be mutable
Oct 27 03:23:35.786 INFO kablam!  --> src/main.rs:7:9
Oct 27 03:23:35.786 INFO kablam!   |
Oct 27 03:23:35.786 INFO kablam! 7 |     let mut s = num.to_string();
Oct 27 03:23:35.786 INFO kablam!   |         ----^
Oct 27 03:23:35.786 INFO kablam!   |         |
Oct 27 03:23:35.786 INFO kablam!   |         help: remove this `mut`
Oct 27 03:23:35.786 INFO kablam!   |
Oct 27 03:23:35.786 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 27 03:23:35.788 INFO kablam! 
Oct 27 03:23:35.791 INFO kablam! warning: function is never used: `is_lucky_string`
Oct 27 03:23:35.791 INFO kablam!  --> src/main.rs:6:1
Oct 27 03:23:35.791 INFO kablam!   |
Oct 27 03:23:35.791 INFO kablam! 6 | fn is_lucky_string(num: u32) -> bool {
Oct 27 03:23:35.791 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 03:23:35.792 INFO kablam!   |
Oct 27 03:23:35.792 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 03:23:35.792 INFO kablam! 
Oct 27 03:23:35.792 INFO kablam! warning: function is never used: `is_lucky_u32_2`
Oct 27 03:23:35.792 INFO kablam!   --> src/main.rs:55:1
Oct 27 03:23:35.792 INFO kablam!    |
Oct 27 03:23:35.792 INFO kablam! 55 | fn is_lucky_u32_2(number: u32) -> bool {
Oct 27 03:23:35.792 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 03:23:35.792 INFO kablam! 
Oct 27 03:23:35.794 INFO kablam! warning: function is never used: `contains_number`
Oct 27 03:23:35.794 INFO kablam!   --> src/main.rs:65:1
Oct 27 03:23:35.794 INFO kablam!    |
Oct 27 03:23:35.794 INFO kablam! 65 | fn contains_number(number: u32, check: u32) -> bool {
Oct 27 03:23:35.794 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 03:23:35.794 INFO kablam! 
Oct 27 03:23:35.901 INFO kablam! warning: unused import: `black_box`
Oct 27 03:23:35.901 INFO kablam!   --> src/main.rs:97:25
Oct 27 03:23:35.901 INFO kablam!    |
Oct 27 03:23:35.901 INFO kablam! 97 |     use test::{Bencher, black_box};
Oct 27 03:23:35.901 INFO kablam!    |                         ^^^^^^^^^
Oct 27 03:23:35.901 INFO kablam!    |
Oct 27 03:23:35.901 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 27 03:23:35.901 INFO kablam! 
Oct 27 03:23:35.901 INFO kablam! warning: unused import: `rayon::*`
Oct 27 03:23:35.901 INFO kablam!   --> src/main.rs:98:9
Oct 27 03:23:35.901 INFO kablam!    |
Oct 27 03:23:35.901 INFO kablam! 98 |     use rayon::*;
Oct 27 03:23:35.901 INFO kablam!    |         ^^^^^^^^
Oct 27 03:23:35.901 INFO kablam! 
Oct 27 03:23:35.993 INFO kablam! warning: unused import: `rayon::prelude`
Oct 27 03:23:35.994 INFO kablam!   --> src/main.rs:82:5
Oct 27 03:23:35.994 INFO kablam!    |
Oct 27 03:23:35.994 INFO kablam! 82 | use rayon::prelude::*;
Oct 27 03:23:35.995 INFO kablam!    |     ^^^^^^^^^^^^^^
Oct 27 03:23:35.995 INFO kablam! 
Oct 27 03:23:35.995 INFO kablam! warning: value assigned to `last_digit` is never read
Oct 27 03:23:35.996 INFO kablam!   --> src/main.rs:19:13
Oct 27 03:23:35.996 INFO kablam!    |
Oct 27 03:23:35.996 INFO kablam! 19 |     let mut last_digit = 0;
Oct 27 03:23:35.997 INFO kablam!    |             ^^^^^^^^^^
Oct 27 03:23:35.997 INFO kablam!    |
Oct 27 03:23:35.997 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 03:23:35.998 INFO kablam! 
Oct 27 03:23:35.999 INFO kablam! warning: variable does not need to be mutable
Oct 27 03:23:35.999 INFO kablam!  --> src/main.rs:7:9
Oct 27 03:23:35.999 INFO kablam!   |
Oct 27 03:23:35.999 INFO kablam! 7 |     let mut s = num.to_string();
Oct 27 03:23:36.000 INFO kablam!   |         ----^
Oct 27 03:23:36.000 INFO kablam!   |         |
Oct 27 03:23:36.000 INFO kablam!   |         help: remove this `mut`
Oct 27 03:23:36.001 INFO kablam!   |
Oct 27 03:23:36.001 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 27 03:23:36.001 INFO kablam! 
Oct 27 03:23:36.043 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Oct 27 03:23:36.047 INFO kablam! su: No module specific data is present
Oct 27 03:23:36.360 INFO running `"docker" "rm" "-f" "88c005475fb2542b01f5e7cf08f9f3bc34c882555f443214b37b83708d6b9a19"`
Oct 27 03:23:36.477 INFO blam! 88c005475fb2542b01f5e7cf08f9f3bc34c882555f443214b37b83708d6b9a19