Oct 22 03:37:16.778 INFO checking discard-1.0.4 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 22 03:37:16.778 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192/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 22 03:37:17.052 INFO blam! bd3893801be130ab05f604ce83e73ef6d3b30934213adb40452fea455cd8166b
Oct 22 03:37:17.053 INFO running `"docker" "start" "-a" "bd3893801be130ab05f604ce83e73ef6d3b30934213adb40452fea455cd8166b"`
Oct 22 03:37:17.807 INFO kablam! usermod: no changes
Oct 22 03:37:17.828 INFO kablam!     Checking discard v1.0.4 (/source)
Oct 22 03:37:18.660 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Oct 22 03:37:18.660 INFO kablam!    --> src/lib.rs:261:9
Oct 22 03:37:18.660 INFO kablam!     |
Oct 22 03:37:18.660 INFO kablam! 261 |         DiscardOnDrop::new(Foo::new());
Oct 22 03:37:18.660 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 22 03:37:18.660 INFO kablam!     |
Oct 22 03:37:18.660 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 22 03:37:18.660 INFO kablam!     = note: 
Oct 22 03:37:18.660 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Oct 22 03:37:18.660 INFO kablam!             You probably don't want that to happen.
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!             How to fix this:
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Oct 22 03:37:18.660 INFO kablam!                 discarded (this *will* leak memory!).
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!             See the DiscardOnDrop documentation for more details.
Oct 22 03:37:18.660 INFO kablam! 
Oct 22 03:37:18.660 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Oct 22 03:37:18.660 INFO kablam!    --> src/lib.rs:262:9
Oct 22 03:37:18.660 INFO kablam!     |
Oct 22 03:37:18.660 INFO kablam! 262 |         DiscardOnDrop::new(Foo::new());
Oct 22 03:37:18.660 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 22 03:37:18.660 INFO kablam!     |
Oct 22 03:37:18.660 INFO kablam!     = note: 
Oct 22 03:37:18.660 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Oct 22 03:37:18.660 INFO kablam!             You probably don't want that to happen.
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!             How to fix this:
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Oct 22 03:37:18.660 INFO kablam!                 discarded (this *will* leak memory!).
Oct 22 03:37:18.660 INFO kablam!             
Oct 22 03:37:18.660 INFO kablam!             See the DiscardOnDrop documentation for more details.
Oct 22 03:37:18.660 INFO kablam! 
Oct 22 03:37:18.672 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Oct 22 03:37:18.673 INFO kablam! su: No module specific data is present
Oct 22 03:37:18.985 INFO running `"docker" "rm" "-f" "bd3893801be130ab05f604ce83e73ef6d3b30934213adb40452fea455cd8166b"`
Oct 22 03:37:19.084 INFO blam! bd3893801be130ab05f604ce83e73ef6d3b30934213adb40452fea455cd8166b