Oct 21 12:23:43.779 INFO checking walkerrandolphsmith/rust-data-structures against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 12:23:43.781 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/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 21 12:23:44.441 INFO blam! 32087bb30ace480a9b8f96980873970731d7862dda7d68a1ba30f7167b504aee
Oct 21 12:23:44.453 INFO running `"docker" "start" "-a" "32087bb30ace480a9b8f96980873970731d7862dda7d68a1ba30f7167b504aee"`
Oct 21 12:23:45.907 INFO kablam! usermod: no changes
Oct 21 12:23:45.984 INFO kablam!     Checking rust_data_structures v0.0.1 (/source)
Oct 21 12:23:46.552 INFO kablam! warning: function is never used: `should_add_two`
Oct 21 12:23:46.552 INFO kablam!  --> src/lib.rs:9:2
Oct 21 12:23:46.552 INFO kablam!   |
Oct 21 12:23:46.552 INFO kablam! 9 |     fn should_add_two() {
Oct 21 12:23:46.552 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^
Oct 21 12:23:46.552 INFO kablam!   |
Oct 21 12:23:46.552 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 12:23:46.552 INFO kablam! 
Oct 21 12:23:46.720 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Oct 21 12:23:46.720 INFO kablam! su: No module specific data is present
Oct 21 12:23:47.253 INFO running `"docker" "rm" "-f" "32087bb30ace480a9b8f96980873970731d7862dda7d68a1ba30f7167b504aee"`
Oct 21 12:23:47.533 INFO blam! 32087bb30ace480a9b8f96980873970731d7862dda7d68a1ba30f7167b504aee