Aug 18 00:12:55.103 INFO checking discard-1.0.3 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 18 00:12:55.103 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 00:12:55.103 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 00:12:55.104 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 00:12:55.309 INFO blam! 00bbf7240a97357a6e30b3a20e2e5bc757f532a67e9da789262cdd0c06e2524a
Aug 18 00:12:55.312 INFO running `"docker" "start" "-a" "00bbf7240a97357a6e30b3a20e2e5bc757f532a67e9da789262cdd0c06e2524a"`
Aug 18 00:12:56.490 INFO kablam!     Checking discard v1.0.3 (file:///source)
Aug 18 00:12:57.473 INFO kablam! warning: unused `DiscardOnDrop` which must be used
Aug 18 00:12:57.473 INFO kablam!    --> src/lib.rs:251:9
Aug 18 00:12:57.473 INFO kablam!     |
Aug 18 00:12:57.473 INFO kablam! 251 |         DiscardOnDrop::new(Foo::new());
Aug 18 00:12:57.473 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 18 00:12:57.473 INFO kablam!     |
Aug 18 00:12:57.473 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 18 00:12:57.473 INFO kablam!     = note: 
Aug 18 00:12:57.473 INFO kablam!             
Aug 18 00:12:57.473 INFO kablam!                  The DiscardOnDrop is unused, which causes it to be immediately discarded.
Aug 18 00:12:57.473 INFO kablam!                  You probably don't want that to happen.
Aug 18 00:12:57.473 INFO kablam!             
Aug 18 00:12:57.473 INFO kablam!                  How to fix this:
Aug 18 00:12:57.473 INFO kablam!             
Aug 18 00:12:57.473 INFO kablam!                    * Store the DiscardOnDrop in a variable or data structure.
Aug 18 00:12:57.473 INFO kablam!             
Aug 18 00:12:57.473 INFO kablam!                    * Or use the DiscardOnDrop::leak function which will cause it to not be
Aug 18 00:12:57.473 INFO kablam!                      discarded (this *will* leak memory!).
Aug 18 00:12:57.474 INFO kablam!             
Aug 18 00:12:57.474 INFO kablam!                  See the documentation for more details.
Aug 18 00:12:57.474 INFO kablam!             
Aug 18 00:12:57.474 INFO kablam! 
Aug 18 00:12:57.605 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Aug 18 00:12:57.609 INFO kablam! su: No module specific data is present
Aug 18 00:12:58.201 INFO running `"docker" "rm" "-f" "00bbf7240a97357a6e30b3a20e2e5bc757f532a67e9da789262cdd0c06e2524a"`
Aug 18 00:12:58.359 INFO blam! 00bbf7240a97357a6e30b3a20e2e5bc757f532a67e9da789262cdd0c06e2524a