Nov 02 11:56:12.077 INFO checking khuey/rustc-1.18-regression against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 11:56:12.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-2/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 11:56:12.449 INFO blam! 1120ced25df36b9b81c2b97b8c58da664830bc497fe26e18086524358cd18f7e
Nov 02 11:56:12.449 INFO running `"docker" "start" "-a" "1120ced25df36b9b81c2b97b8c58da664830bc497fe26e18086524358cd18f7e"`
Nov 02 11:56:13.568 INFO kablam! usermod: no changes
Nov 02 11:56:13.621 INFO kablam!     Checking regression v0.1.0 (/source)
Nov 02 11:56:14.196 INFO kablam! warning: function is never used: `main`
Nov 02 11:56:14.196 INFO kablam!  --> src/lib.rs:8:1
Nov 02 11:56:14.196 INFO kablam!   |
Nov 02 11:56:14.196 INFO kablam! 8 | fn main() {
Nov 02 11:56:14.196 INFO kablam!   | ^^^^^^^^^
Nov 02 11:56:14.196 INFO kablam!   |
Nov 02 11:56:14.196 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 11:56:14.196 INFO kablam! 
Nov 02 11:56:14.438 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Nov 02 11:56:14.441 INFO kablam! su: No module specific data is present
Nov 02 11:56:15.357 INFO running `"docker" "rm" "-f" "1120ced25df36b9b81c2b97b8c58da664830bc497fe26e18086524358cd18f7e"`
Nov 02 11:56:15.637 INFO blam! 1120ced25df36b9b81c2b97b8c58da664830bc497fe26e18086524358cd18f7e