Oct 13 11:16:34.657 INFO checking optional_struct-0.2.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 11:16:34.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 13 11:16:35.060 INFO blam! 32a471ff0d6b5da871d3fb58bf8995a4a4940837875e12f14a5bdd2294f164b8
Oct 13 11:16:35.077 INFO running `"docker" "start" "-a" "32a471ff0d6b5da871d3fb58bf8995a4a4940837875e12f14a5bdd2294f164b8"`
Oct 13 11:16:36.041 INFO kablam! usermod: no changes
Oct 13 11:16:36.108 INFO kablam!    Compiling optional_struct v0.2.0 (/source)
Oct 13 11:16:44.062 INFO kablam! warning: struct is never constructed: `Config`
Oct 13 11:16:44.062 INFO kablam!  --> tests/empty.rs:5:1
Oct 13 11:16:44.062 INFO kablam!   |
Oct 13 11:16:44.062 INFO kablam! 5 | struct Config {
Oct 13 11:16:44.062 INFO kablam!   | ^^^^^^^^^^^^^
Oct 13 11:16:44.062 INFO kablam!   |
Oct 13 11:16:44.062 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 13 11:16:44.062 INFO kablam! 
Oct 13 11:16:44.104 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.04s
Oct 13 11:16:44.108 INFO kablam! su: No module specific data is present
Oct 13 11:16:44.908 INFO running `"docker" "rm" "-f" "32a471ff0d6b5da871d3fb58bf8995a4a4940837875e12f14a5bdd2294f164b8"`
Oct 13 11:16:45.088 INFO blam! 32a471ff0d6b5da871d3fb58bf8995a4a4940837875e12f14a5bdd2294f164b8