Oct 27 23:06:09.833 INFO checking discard-1.0.4 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 23:06:09.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 23:06:10.349 INFO blam! 41dbf931f0fa0572602595129d61139cf65853dd1dc5ee2b6b641b71412aaa92
Oct 27 23:06:10.360 INFO running `"docker" "start" "-a" "41dbf931f0fa0572602595129d61139cf65853dd1dc5ee2b6b641b71412aaa92"`
Oct 27 23:06:11.622 INFO kablam! usermod: no changes
Oct 27 23:06:11.669 INFO kablam!     Checking discard v1.0.4 (/source)
Oct 27 23:06:12.752 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Oct 27 23:06:12.752 INFO kablam!    --> src/lib.rs:261:9
Oct 27 23:06:12.752 INFO kablam!     |
Oct 27 23:06:12.752 INFO kablam! 261 |         DiscardOnDrop::new(Foo::new());
Oct 27 23:06:12.752 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 23:06:12.752 INFO kablam!     |
Oct 27 23:06:12.752 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 23:06:12.752 INFO kablam!     = note: 
Oct 27 23:06:12.752 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Oct 27 23:06:12.752 INFO kablam!             You probably don't want that to happen.
Oct 27 23:06:12.752 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!             How to fix this:
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Oct 27 23:06:12.753 INFO kablam!                 discarded (this *will* leak memory!).
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!             See the DiscardOnDrop documentation for more details.
Oct 27 23:06:12.753 INFO kablam! 
Oct 27 23:06:12.753 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Oct 27 23:06:12.753 INFO kablam!    --> src/lib.rs:262:9
Oct 27 23:06:12.753 INFO kablam!     |
Oct 27 23:06:12.753 INFO kablam! 262 |         DiscardOnDrop::new(Foo::new());
Oct 27 23:06:12.753 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 23:06:12.753 INFO kablam!     |
Oct 27 23:06:12.753 INFO kablam!     = note: 
Oct 27 23:06:12.753 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Oct 27 23:06:12.753 INFO kablam!             You probably don't want that to happen.
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!             How to fix this:
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Oct 27 23:06:12.753 INFO kablam!                 discarded (this *will* leak memory!).
Oct 27 23:06:12.753 INFO kablam!             
Oct 27 23:06:12.753 INFO kablam!             See the DiscardOnDrop documentation for more details.
Oct 27 23:06:12.753 INFO kablam! 
Oct 27 23:06:12.790 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Oct 27 23:06:12.791 INFO kablam! su: No module specific data is present
Oct 27 23:06:13.563 INFO running `"docker" "rm" "-f" "41dbf931f0fa0572602595129d61139cf65853dd1dc5ee2b6b641b71412aaa92"`
Oct 27 23:06:13.831 INFO blam! 41dbf931f0fa0572602595129d61139cf65853dd1dc5ee2b6b641b71412aaa92