Nov 07 15:58:09.738 INFO checking discard-1.0.4 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings for pr-55687 Nov 07 15:58:09.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a+rustflags=-Dduplicate_associated_type_bindings:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +24e66c28980442a48d9458f1a4f9b76cc722dc8a-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dduplicate_associated_type_bindings" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Nov 07 15:58:10.184 INFO blam! 4e4d739602950ba5c32ff29c2156123952c33aafcb1b12889237354ac250a156 Nov 07 15:58:10.196 INFO running `"docker" "start" "-a" "4e4d739602950ba5c32ff29c2156123952c33aafcb1b12889237354ac250a156"` Nov 07 15:58:11.845 INFO kablam! usermod: no changes Nov 07 15:58:11.924 INFO kablam! Checking discard v1.0.4 (/source) Nov 07 15:58:13.300 INFO kablam! warning: unused `DiscardOnDrop` that must be used Nov 07 15:58:13.300 INFO kablam! --> src/lib.rs:261:9 Nov 07 15:58:13.300 INFO kablam! | Nov 07 15:58:13.300 INFO kablam! 261 | DiscardOnDrop::new(Foo::new()); Nov 07 15:58:13.300 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 07 15:58:13.300 INFO kablam! | Nov 07 15:58:13.300 INFO kablam! = note: #[warn(unused_must_use)] on by default Nov 07 15:58:13.300 INFO kablam! = note: Nov 07 15:58:13.300 INFO kablam! The DiscardOnDrop is unused, which causes it to be immediately discarded. Nov 07 15:58:13.300 INFO kablam! You probably don't want that to happen. Nov 07 15:58:13.300 INFO kablam! Nov 07 15:58:13.300 INFO kablam! How to fix this: Nov 07 15:58:13.300 INFO kablam! Nov 07 15:58:13.300 INFO kablam! * Store the DiscardOnDrop in a variable or data structure. Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! * Or use the DiscardOnDrop::leak function which will cause it to not be Nov 07 15:58:13.301 INFO kablam! discarded (this *will* leak memory!). Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! See the DiscardOnDrop documentation for more details. Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! warning: unused `DiscardOnDrop` that must be used Nov 07 15:58:13.301 INFO kablam! --> src/lib.rs:262:9 Nov 07 15:58:13.301 INFO kablam! | Nov 07 15:58:13.301 INFO kablam! 262 | DiscardOnDrop::new(Foo::new()); Nov 07 15:58:13.301 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 07 15:58:13.301 INFO kablam! | Nov 07 15:58:13.301 INFO kablam! = note: Nov 07 15:58:13.301 INFO kablam! The DiscardOnDrop is unused, which causes it to be immediately discarded. Nov 07 15:58:13.301 INFO kablam! You probably don't want that to happen. Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! How to fix this: Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! * Store the DiscardOnDrop in a variable or data structure. Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! * Or use the DiscardOnDrop::leak function which will cause it to not be Nov 07 15:58:13.301 INFO kablam! discarded (this *will* leak memory!). Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.301 INFO kablam! See the DiscardOnDrop documentation for more details. Nov 07 15:58:13.301 INFO kablam! Nov 07 15:58:13.332 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.45s Nov 07 15:58:13.342 INFO kablam! su: No module specific data is present Nov 07 15:58:13.970 INFO running `"docker" "rm" "-f" "4e4d739602950ba5c32ff29c2156123952c33aafcb1b12889237354ac250a156"` Nov 07 15:58:14.363 INFO blam! 4e4d739602950ba5c32ff29c2156123952c33aafcb1b12889237354ac250a156