Nov 01 08:46:12.471 INFO checking amilajack/rust-algos against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 08:46:12.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-1/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"`
Nov 01 08:46:12.878 INFO blam! b785bdbf82df55e470cc809a563025571ce16de1ccc15592470e447c8452d58c
Nov 01 08:46:12.888 INFO running `"docker" "start" "-a" "b785bdbf82df55e470cc809a563025571ce16de1ccc15592470e447c8452d58c"`
Nov 01 08:46:14.223 INFO kablam! usermod: no changes
Nov 01 08:46:14.288 INFO kablam!     Checking algos v0.1.0 (/source)
Nov 01 08:46:15.260 INFO kablam! warning: function is never used: `is_prime`
Nov 01 08:46:15.261 INFO kablam!   --> src/math.rs:21:1
Nov 01 08:46:15.261 INFO kablam!    |
Nov 01 08:46:15.261 INFO kablam! 21 | pub fn is_prime(a: u32) -> bool {
Nov 01 08:46:15.262 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:46:15.262 INFO kablam!    |
Nov 01 08:46:15.262 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 01 08:46:15.262 INFO kablam! 
Nov 01 08:46:15.481 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Nov 01 08:46:15.485 INFO kablam! su: No module specific data is present
Nov 01 08:46:16.396 INFO running `"docker" "rm" "-f" "b785bdbf82df55e470cc809a563025571ce16de1ccc15592470e447c8452d58c"`
Nov 01 08:46:16.772 INFO blam! b785bdbf82df55e470cc809a563025571ce16de1ccc15592470e447c8452d58c