Oct 27 18:26:23.544 INFO checking optional_struct-0.2.0 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 18:26:23.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 18:26:23.788 INFO blam! 1766ad4a53abb4520054262d685027d3484762823f941c9e5ad71906fa78d4f0
Oct 27 18:26:23.791 INFO running `"docker" "start" "-a" "1766ad4a53abb4520054262d685027d3484762823f941c9e5ad71906fa78d4f0"`
Oct 27 18:26:24.838 INFO kablam! usermod: no changes
Oct 27 18:26:24.903 INFO kablam!    Compiling optional_struct v0.2.0 (/source)
Oct 27 18:26:32.595 INFO kablam! warning: struct is never constructed: `Config`
Oct 27 18:26:32.595 INFO kablam!  --> tests/empty.rs:5:1
Oct 27 18:26:32.595 INFO kablam!   |
Oct 27 18:26:32.595 INFO kablam! 5 | struct Config {
Oct 27 18:26:32.595 INFO kablam!   | ^^^^^^^^^^^^^
Oct 27 18:26:32.595 INFO kablam!   |
Oct 27 18:26:32.595 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 18:26:32.595 INFO kablam! 
Oct 27 18:26:32.635 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 7.77s
Oct 27 18:26:32.638 INFO kablam! su: No module specific data is present
Oct 27 18:26:33.215 INFO running `"docker" "rm" "-f" "1766ad4a53abb4520054262d685027d3484762823f941c9e5ad71906fa78d4f0"`
Oct 27 18:26:33.447 INFO blam! 1766ad4a53abb4520054262d685027d3484762823f941c9e5ad71906fa78d4f0