Nov 03 09:21:21.729 INFO checking discard-1.0.4 against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 03 09:21:21.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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 03 09:21:22.156 INFO blam! 4a957b12e15abefc3ff061e02ba328a1adb321279632a15ce17bed0c4ca72fbe
Nov 03 09:21:22.171 INFO running `"docker" "start" "-a" "4a957b12e15abefc3ff061e02ba328a1adb321279632a15ce17bed0c4ca72fbe"`
Nov 03 09:21:23.420 INFO kablam! usermod: no changes
Nov 03 09:21:23.492 INFO kablam!     Checking discard v1.0.4 (/source)
Nov 03 09:21:24.836 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Nov 03 09:21:24.836 INFO kablam!    --> src/lib.rs:261:9
Nov 03 09:21:24.836 INFO kablam!     |
Nov 03 09:21:24.836 INFO kablam! 261 |         DiscardOnDrop::new(Foo::new());
Nov 03 09:21:24.836 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:24.836 INFO kablam!     |
Nov 03 09:21:24.836 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 09:21:24.836 INFO kablam!     = note: 
Nov 03 09:21:24.836 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Nov 03 09:21:24.836 INFO kablam!             You probably don't want that to happen.
Nov 03 09:21:24.836 INFO kablam!             
Nov 03 09:21:24.836 INFO kablam!             How to fix this:
Nov 03 09:21:24.836 INFO kablam!             
Nov 03 09:21:24.836 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Nov 03 09:21:24.837 INFO kablam!             
Nov 03 09:21:24.837 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Nov 03 09:21:24.837 INFO kablam!                 discarded (this *will* leak memory!).
Nov 03 09:21:24.837 INFO kablam!             
Nov 03 09:21:24.837 INFO kablam!             See the DiscardOnDrop documentation for more details.
Nov 03 09:21:24.837 INFO kablam! 
Nov 03 09:21:24.837 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Nov 03 09:21:24.837 INFO kablam!    --> src/lib.rs:262:9
Nov 03 09:21:24.837 INFO kablam!     |
Nov 03 09:21:24.837 INFO kablam! 262 |         DiscardOnDrop::new(Foo::new());
Nov 03 09:21:24.837 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:24.837 INFO kablam!     |
Nov 03 09:21:24.837 INFO kablam!     = note: 
Nov 03 09:21:24.837 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Nov 03 09:21:24.837 INFO kablam!             You probably don't want that to happen.
Nov 03 09:21:24.837 INFO kablam!             
Nov 03 09:21:24.837 INFO kablam!             How to fix this:
Nov 03 09:21:24.837 INFO kablam!             
Nov 03 09:21:24.837 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Nov 03 09:21:24.837 INFO kablam!             
Nov 03 09:21:24.837 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Nov 03 09:21:24.837 INFO kablam!                 discarded (this *will* leak memory!).
Nov 03 09:21:24.837 INFO kablam!             
Nov 03 09:21:24.837 INFO kablam!             See the DiscardOnDrop documentation for more details.
Nov 03 09:21:24.837 INFO kablam! 
Nov 03 09:21:24.864 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Nov 03 09:21:24.864 INFO kablam! su: No module specific data is present
Nov 03 09:21:25.628 INFO running `"docker" "rm" "-f" "4a957b12e15abefc3ff061e02ba328a1adb321279632a15ce17bed0c4ca72fbe"`
Nov 03 09:21:25.982 INFO blam! 4a957b12e15abefc3ff061e02ba328a1adb321279632a15ce17bed0c4ca72fbe