Nov 10 02:30:26.170 INFO checking optional_struct-0.2.0 against master#653da4fd006c97625247acd7e076d0782cdc149b for pr-55632
Nov 10 02:30:26.170 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-0/master#653da4fd006c97625247acd7e076d0782cdc149b:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55632/master#653da4fd006c97625247acd7e076d0782cdc149b:/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 +653da4fd006c97625247acd7e076d0782cdc149b-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 10 02:30:26.327 INFO blam! 0883b02c4965af0e04bc998e7f4b43ceb30cdbddb189d1c22da6b85b7ca42110
Nov 10 02:30:26.330 INFO running `"docker" "start" "-a" "0883b02c4965af0e04bc998e7f4b43ceb30cdbddb189d1c22da6b85b7ca42110"`
Nov 10 02:30:26.739 INFO kablam! usermod: no changes
Nov 10 02:30:26.798 INFO kablam!    Compiling optional_struct v0.2.0 (/source)
Nov 10 02:30:32.761 INFO kablam! warning: struct is never constructed: `Config`
Nov 10 02:30:32.761 INFO kablam!  --> tests/empty.rs:5:1
Nov 10 02:30:32.761 INFO kablam!   |
Nov 10 02:30:32.761 INFO kablam! 5 | struct Config {
Nov 10 02:30:32.761 INFO kablam!   | ^^^^^^^^^^^^^
Nov 10 02:30:32.761 INFO kablam!   |
Nov 10 02:30:32.761 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 10 02:30:32.761 INFO kablam! 
Nov 10 02:30:33.048 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
Nov 10 02:30:33.053 INFO kablam! su: No module specific data is present
Nov 10 02:30:33.565 INFO running `"docker" "rm" "-f" "0883b02c4965af0e04bc998e7f4b43ceb30cdbddb189d1c22da6b85b7ca42110"`
Nov 10 02:30:33.955 INFO blam! 0883b02c4965af0e04bc998e7f4b43ceb30cdbddb189d1c22da6b85b7ca42110