Aug 11 16:06:01.847 INFO checking discard-1.0.3 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 16:06:01.847 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:06:01.847 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 16:06:01.847 INFO running `"docker" "create" "-v" "/tmp/crater.KigySq2UDVNU:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-7/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 16:06:02.052 INFO blam! 0ac2f6d8a7c539b0a2aec2ec552bc79384b6ed623ef89fd0105e7bceda1f072d
Aug 11 16:06:02.058 INFO running `"docker" "start" "-a" "0ac2f6d8a7c539b0a2aec2ec552bc79384b6ed623ef89fd0105e7bceda1f072d"`
Aug 11 16:06:03.609 INFO kablam!     Checking discard v1.0.3 (file:///source)
Aug 11 16:06:04.540 INFO kablam! warning: unused `DiscardOnDrop` which must be used
Aug 11 16:06:04.540 INFO kablam!    --> src/lib.rs:251:9
Aug 11 16:06:04.540 INFO kablam!     |
Aug 11 16:06:04.540 INFO kablam! 251 |         DiscardOnDrop::new(Foo::new());
Aug 11 16:06:04.540 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 11 16:06:04.540 INFO kablam!     |
Aug 11 16:06:04.540 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 11 16:06:04.540 INFO kablam!     = note: 
Aug 11 16:06:04.540 INFO kablam!             
Aug 11 16:06:04.540 INFO kablam!                  The DiscardOnDrop is unused, which causes it to be immediately discarded.
Aug 11 16:06:04.541 INFO kablam!                  You probably don't want that to happen.
Aug 11 16:06:04.541 INFO kablam!             
Aug 11 16:06:04.541 INFO kablam!                  How to fix this:
Aug 11 16:06:04.541 INFO kablam!             
Aug 11 16:06:04.541 INFO kablam!                    * Store the DiscardOnDrop in a variable or data structure.
Aug 11 16:06:04.541 INFO kablam!             
Aug 11 16:06:04.541 INFO kablam!                    * Or use the DiscardOnDrop::leak function which will cause it to not be
Aug 11 16:06:04.541 INFO kablam!                      discarded (this *will* leak memory!).
Aug 11 16:06:04.541 INFO kablam!             
Aug 11 16:06:04.541 INFO kablam!                  See the documentation for more details.
Aug 11 16:06:04.541 INFO kablam!             
Aug 11 16:06:04.541 INFO kablam! 
Aug 11 16:06:04.580 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Aug 11 16:06:04.582 INFO kablam! su: No module specific data is present
Aug 11 16:06:06.490 INFO running `"docker" "rm" "-f" "0ac2f6d8a7c539b0a2aec2ec552bc79384b6ed623ef89fd0105e7bceda1f072d"`
Aug 11 16:06:06.645 INFO blam! 0ac2f6d8a7c539b0a2aec2ec552bc79384b6ed623ef89fd0105e7bceda1f072d