Sep 04 19:38:44.481 INFO checking discard-1.0.3 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 19:38:44.481 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 19:38:44.481 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 19:38:44.690 INFO blam! 85b2aa8d8d6cc3d166f6883ada229a00905315c4787767892b6941b9f76b34ca
Sep 04 19:38:44.693 INFO running `"docker" "start" "-a" "85b2aa8d8d6cc3d166f6883ada229a00905315c4787767892b6941b9f76b34ca"`
Sep 04 19:38:45.311 INFO kablam!     Checking discard v1.0.3 (file:///source)
Sep 04 19:38:46.350 INFO kablam! warning: unused `DiscardOnDrop` which must be used
Sep 04 19:38:46.350 INFO kablam!    --> src/lib.rs:251:9
Sep 04 19:38:46.350 INFO kablam!     |
Sep 04 19:38:46.351 INFO kablam! 251 |         DiscardOnDrop::new(Foo::new());
Sep 04 19:38:46.351 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 04 19:38:46.351 INFO kablam!     |
Sep 04 19:38:46.351 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 04 19:38:46.351 INFO kablam!     = note: 
Sep 04 19:38:46.351 INFO kablam!             
Sep 04 19:38:46.351 INFO kablam!                  The DiscardOnDrop is unused, which causes it to be immediately discarded.
Sep 04 19:38:46.351 INFO kablam!                  You probably don't want that to happen.
Sep 04 19:38:46.351 INFO kablam!             
Sep 04 19:38:46.351 INFO kablam!                  How to fix this:
Sep 04 19:38:46.351 INFO kablam!             
Sep 04 19:38:46.351 INFO kablam!                    * Store the DiscardOnDrop in a variable or data structure.
Sep 04 19:38:46.351 INFO kablam!             
Sep 04 19:38:46.351 INFO kablam!                    * Or use the DiscardOnDrop::leak function which will cause it to not be
Sep 04 19:38:46.351 INFO kablam!                      discarded (this *will* leak memory!).
Sep 04 19:38:46.351 INFO kablam!             
Sep 04 19:38:46.351 INFO kablam!                  See the documentation for more details.
Sep 04 19:38:46.351 INFO kablam!             
Sep 04 19:38:46.351 INFO kablam! 
Sep 04 19:38:46.369 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Sep 04 19:38:46.372 INFO kablam! su: No module specific data is present
Sep 04 19:38:46.812 INFO running `"docker" "rm" "-f" "85b2aa8d8d6cc3d166f6883ada229a00905315c4787767892b6941b9f76b34ca"`
Sep 04 19:38:46.938 INFO blam! 85b2aa8d8d6cc3d166f6883ada229a00905315c4787767892b6941b9f76b34ca