Sep 01 22:42:35.646 INFO checking discard-1.0.3 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 01 22:42:35.646 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 01 22:42:35.646 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 22:42:35.896 INFO blam! 5646c759136dee9a611b37b05f78ed79e906d16d26e46ee8f55b1306f0ca5620
Sep 01 22:42:35.896 INFO running `"docker" "start" "-a" "5646c759136dee9a611b37b05f78ed79e906d16d26e46ee8f55b1306f0ca5620"`
Sep 01 22:42:36.651 INFO kablam!     Checking discard v1.0.3 (file:///source)
Sep 01 22:42:37.619 INFO kablam! warning: unused `DiscardOnDrop` which must be used
Sep 01 22:42:37.619 INFO kablam!    --> src/lib.rs:251:9
Sep 01 22:42:37.619 INFO kablam!     |
Sep 01 22:42:37.619 INFO kablam! 251 |         DiscardOnDrop::new(Foo::new());
Sep 01 22:42:37.619 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 01 22:42:37.619 INFO kablam!     |
Sep 01 22:42:37.619 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 01 22:42:37.619 INFO kablam!     = note: 
Sep 01 22:42:37.619 INFO kablam!             
Sep 01 22:42:37.619 INFO kablam!                  The DiscardOnDrop is unused, which causes it to be immediately discarded.
Sep 01 22:42:37.619 INFO kablam!                  You probably don't want that to happen.
Sep 01 22:42:37.619 INFO kablam!             
Sep 01 22:42:37.619 INFO kablam!                  How to fix this:
Sep 01 22:42:37.619 INFO kablam!             
Sep 01 22:42:37.619 INFO kablam!                    * Store the DiscardOnDrop in a variable or data structure.
Sep 01 22:42:37.619 INFO kablam!             
Sep 01 22:42:37.619 INFO kablam!                    * Or use the DiscardOnDrop::leak function which will cause it to not be
Sep 01 22:42:37.619 INFO kablam!                      discarded (this *will* leak memory!).
Sep 01 22:42:37.620 INFO kablam!             
Sep 01 22:42:37.620 INFO kablam!                  See the documentation for more details.
Sep 01 22:42:37.620 INFO kablam!             
Sep 01 22:42:37.620 INFO kablam! 
Sep 01 22:42:37.631 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Sep 01 22:42:37.633 INFO kablam! su: No module specific data is present
Sep 01 22:42:38.325 INFO running `"docker" "rm" "-f" "5646c759136dee9a611b37b05f78ed79e906d16d26e46ee8f55b1306f0ca5620"`
Sep 01 22:42:38.448 INFO blam! 5646c759136dee9a611b37b05f78ed79e906d16d26e46ee8f55b1306f0ca5620