Nov 01 02:28:20.257 INFO checking khuey/rustc-1.18-regression against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Nov 01 02:28:20.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02:28:20.680 INFO blam! e658c6ce7c33358cf41e197070042ca018bad11823dff2aed27aab86c8fb7188
Nov 01 02:28:20.688 INFO running `"docker" "start" "-a" "e658c6ce7c33358cf41e197070042ca018bad11823dff2aed27aab86c8fb7188"`
Nov 01 02:28:22.026 INFO kablam! usermod: no changes
Nov 01 02:28:22.098 INFO kablam!     Checking regression v0.1.0 (/source)
Nov 01 02:28:22.524 INFO kablam! warning: function is never used: `main`
Nov 01 02:28:22.524 INFO kablam!  --> src/lib.rs:8:1
Nov 01 02:28:22.524 INFO kablam!   |
Nov 01 02:28:22.524 INFO kablam! 8 | fn main() {
Nov 01 02:28:22.524 INFO kablam!   | ^^^^^^^^^
Nov 01 02:28:22.524 INFO kablam!   |
Nov 01 02:28:22.524 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 02:28:22.524 INFO kablam! 
Nov 01 02:28:22.620 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Nov 01 02:28:22.633 INFO kablam! su: No module specific data is present
Nov 01 02:28:23.144 INFO running `"docker" "rm" "-f" "e658c6ce7c33358cf41e197070042ca018bad11823dff2aed27aab86c8fb7188"`
Nov 01 02:28:23.401 INFO blam! e658c6ce7c33358cf41e197070042ca018bad11823dff2aed27aab86c8fb7188