Aug 02 11:24:08.084 INFO checking discard-1.0.3 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:24:08.084 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:24:08.084 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:24:08.084 INFO running `"docker" "create" "-v" "/tmp/crater.0UQx7bni0KFa:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 11:24:08.386 INFO blam! 139daef5fe6f2549be3f11d8633b3dd382d773717b1ea3993e3b3403896a9804
Aug 02 11:24:08.389 INFO running `"docker" "start" "-a" "139daef5fe6f2549be3f11d8633b3dd382d773717b1ea3993e3b3403896a9804"`
Aug 02 11:24:09.625 INFO kablam!     Blocking waiting for file lock on the git checkouts
Aug 02 11:24:09.648 INFO kablam!     Checking discard v1.0.3 (file:///source)
Aug 02 11:24:10.247 INFO kablam! warning: unused `DiscardOnDrop` which must be used
Aug 02 11:24:10.247 INFO kablam!    --> src/lib.rs:251:9
Aug 02 11:24:10.247 INFO kablam!     |
Aug 02 11:24:10.247 INFO kablam! 251 |         DiscardOnDrop::new(Foo::new());
Aug 02 11:24:10.247 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:24:10.247 INFO kablam!     |
Aug 02 11:24:10.247 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 02 11:24:10.247 INFO kablam!     = note: 
Aug 02 11:24:10.247 INFO kablam!             
Aug 02 11:24:10.247 INFO kablam!                  The DiscardOnDrop is unused, which causes it to be immediately discarded.
Aug 02 11:24:10.247 INFO kablam!                  You probably don't want that to happen.
Aug 02 11:24:10.247 INFO kablam!             
Aug 02 11:24:10.247 INFO kablam!                  How to fix this:
Aug 02 11:24:10.247 INFO kablam!             
Aug 02 11:24:10.247 INFO kablam!                    * Store the DiscardOnDrop in a variable or data structure.
Aug 02 11:24:10.247 INFO kablam!             
Aug 02 11:24:10.248 INFO kablam!                    * Or use the DiscardOnDrop::leak function which will cause it to not be
Aug 02 11:24:10.248 INFO kablam!                      discarded (this *will* leak memory!).
Aug 02 11:24:10.248 INFO kablam!             
Aug 02 11:24:10.248 INFO kablam!                  See the documentation for more details.
Aug 02 11:24:10.248 INFO kablam!             
Aug 02 11:24:10.248 INFO kablam! 
Aug 02 11:24:10.271 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Aug 02 11:24:10.273 INFO kablam! su: No module specific data is present
Aug 02 11:24:11.437 INFO running `"docker" "rm" "-f" "139daef5fe6f2549be3f11d8633b3dd382d773717b1ea3993e3b3403896a9804"`
Aug 02 11:24:11.569 INFO blam! 139daef5fe6f2549be3f11d8633b3dd382d773717b1ea3993e3b3403896a9804