Sep 01 06:15:47.202 INFO checking discard-1.0.3 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 06:15:47.202 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 06:15:47.202 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 06:15:47.397 INFO blam! f6e560cdd0d15b5e5215ff0084d50057495d147408bd2bc235267f89529026e8
Sep 01 06:15:47.399 INFO running `"docker" "start" "-a" "f6e560cdd0d15b5e5215ff0084d50057495d147408bd2bc235267f89529026e8"`
Sep 01 06:15:48.042 INFO kablam!     Checking discard v1.0.3 (file:///source)
Sep 01 06:15:48.907 INFO kablam! warning: unused `DiscardOnDrop` which must be used
Sep 01 06:15:48.907 INFO kablam!    --> src/lib.rs:251:9
Sep 01 06:15:48.907 INFO kablam!     |
Sep 01 06:15:48.907 INFO kablam! 251 |         DiscardOnDrop::new(Foo::new());
Sep 01 06:15:48.907 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 06:15:48.907 INFO kablam!     |
Sep 01 06:15:48.907 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 06:15:48.907 INFO kablam!     = note: 
Sep 01 06:15:48.907 INFO kablam!             
Sep 01 06:15:48.907 INFO kablam!                  The DiscardOnDrop is unused, which causes it to be immediately discarded.
Sep 01 06:15:48.907 INFO kablam!                  You probably don't want that to happen.
Sep 01 06:15:48.907 INFO kablam!             
Sep 01 06:15:48.907 INFO kablam!                  How to fix this:
Sep 01 06:15:48.908 INFO kablam!             
Sep 01 06:15:48.908 INFO kablam!                    * Store the DiscardOnDrop in a variable or data structure.
Sep 01 06:15:48.908 INFO kablam!             
Sep 01 06:15:48.908 INFO kablam!                    * Or use the DiscardOnDrop::leak function which will cause it to not be
Sep 01 06:15:48.908 INFO kablam!                      discarded (this *will* leak memory!).
Sep 01 06:15:48.908 INFO kablam!             
Sep 01 06:15:48.908 INFO kablam!                  See the documentation for more details.
Sep 01 06:15:48.908 INFO kablam!             
Sep 01 06:15:48.908 INFO kablam! 
Sep 01 06:15:48.926 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Sep 01 06:15:48.929 INFO kablam! su: No module specific data is present
Sep 01 06:15:49.360 INFO running `"docker" "rm" "-f" "f6e560cdd0d15b5e5215ff0084d50057495d147408bd2bc235267f89529026e8"`
Sep 01 06:15:49.478 INFO blam! f6e560cdd0d15b5e5215ff0084d50057495d147408bd2bc235267f89529026e8