Oct 13 01:18:33.758 INFO checking amilajack/rust-algos against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:18:33.759 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 01:18:34.134 INFO blam! c968ff2b8764440114ae3b3412b44672952d2ec407e42fe55249d0ef337974d3
Oct 13 01:18:34.136 INFO running `"docker" "start" "-a" "c968ff2b8764440114ae3b3412b44672952d2ec407e42fe55249d0ef337974d3"`
Oct 13 01:18:34.825 INFO kablam! usermod: no changes
Oct 13 01:18:34.864 INFO kablam!     Checking algos v0.1.0 (/source)
Oct 13 01:18:35.484 INFO kablam! warning: function is never used: `is_prime`
Oct 13 01:18:35.485 INFO kablam!   --> src/math.rs:21:1
Oct 13 01:18:35.485 INFO kablam!    |
Oct 13 01:18:35.485 INFO kablam! 21 | pub fn is_prime(a: u32) -> bool {
Oct 13 01:18:35.486 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 01:18:35.486 INFO kablam!    |
Oct 13 01:18:35.486 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 01:18:35.486 INFO kablam! 
Oct 13 01:18:35.540 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Oct 13 01:18:35.548 INFO kablam! su: No module specific data is present
Oct 13 01:18:36.089 INFO running `"docker" "rm" "-f" "c968ff2b8764440114ae3b3412b44672952d2ec407e42fe55249d0ef337974d3"`
Oct 13 01:18:36.263 INFO blam! c968ff2b8764440114ae3b3412b44672952d2ec407e42fe55249d0ef337974d3