Oct 27 23:06:10.032 INFO checking discard-1.0.4 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2 Oct 27 23:06:10.032 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Oct 27 23:06:10.440 INFO blam! 801a17118d1e373849512133c0fcb19925d72fd1ae68a6ab394f0faa26b37cdf Oct 27 23:06:10.455 INFO running `"docker" "start" "-a" "801a17118d1e373849512133c0fcb19925d72fd1ae68a6ab394f0faa26b37cdf"` Oct 27 23:06:11.858 INFO kablam! usermod: no changes Oct 27 23:06:11.915 INFO kablam! Checking discard v1.0.4 (/source) Oct 27 23:06:13.214 INFO kablam! warning: unused `DiscardOnDrop` that must be used Oct 27 23:06:13.214 INFO kablam! --> src/lib.rs:261:9 Oct 27 23:06:13.214 INFO kablam! | Oct 27 23:06:13.214 INFO kablam! 261 | DiscardOnDrop::new(Foo::new()); Oct 27 23:06:13.214 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 23:06:13.214 INFO kablam! | Oct 27 23:06:13.214 INFO kablam! = note: #[warn(unused_must_use)] on by default Oct 27 23:06:13.214 INFO kablam! = note: Oct 27 23:06:13.214 INFO kablam! The DiscardOnDrop is unused, which causes it to be immediately discarded. Oct 27 23:06:13.214 INFO kablam! You probably don't want that to happen. Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! How to fix this: Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! * Store the DiscardOnDrop in a variable or data structure. Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! * Or use the DiscardOnDrop::leak function which will cause it to not be Oct 27 23:06:13.214 INFO kablam! discarded (this *will* leak memory!). Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! See the DiscardOnDrop documentation for more details. Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! warning: unused `DiscardOnDrop` that must be used Oct 27 23:06:13.214 INFO kablam! --> src/lib.rs:262:9 Oct 27 23:06:13.214 INFO kablam! | Oct 27 23:06:13.214 INFO kablam! 262 | DiscardOnDrop::new(Foo::new()); Oct 27 23:06:13.214 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 27 23:06:13.214 INFO kablam! | Oct 27 23:06:13.214 INFO kablam! = note: Oct 27 23:06:13.214 INFO kablam! The DiscardOnDrop is unused, which causes it to be immediately discarded. Oct 27 23:06:13.214 INFO kablam! You probably don't want that to happen. Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! How to fix this: Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! * Store the DiscardOnDrop in a variable or data structure. Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! * Or use the DiscardOnDrop::leak function which will cause it to not be Oct 27 23:06:13.214 INFO kablam! discarded (this *will* leak memory!). Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.214 INFO kablam! See the DiscardOnDrop documentation for more details. Oct 27 23:06:13.214 INFO kablam! Oct 27 23:06:13.225 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.33s Oct 27 23:06:13.228 INFO kablam! su: No module specific data is present Oct 27 23:06:13.867 INFO running `"docker" "rm" "-f" "801a17118d1e373849512133c0fcb19925d72fd1ae68a6ab394f0faa26b37cdf"` Oct 27 23:06:14.235 INFO blam! 801a17118d1e373849512133c0fcb19925d72fd1ae68a6ab394f0faa26b37cdf