Nov 03 09:21:21.501 INFO checking discard-1.0.4 against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 03 09:21:21.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-3/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 03 09:21:21.900 INFO blam! 0c005b1cce78ef439498bdc4187d449ec4ada74da97c87e72241e92d97e65162
Nov 03 09:21:21.905 INFO running `"docker" "start" "-a" "0c005b1cce78ef439498bdc4187d449ec4ada74da97c87e72241e92d97e65162"`
Nov 03 09:21:23.060 INFO kablam! usermod: no changes
Nov 03 09:21:23.094 INFO kablam!     Checking discard v1.0.4 (/source)
Nov 03 09:21:24.233 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Nov 03 09:21:24.233 INFO kablam!    --> src/lib.rs:261:9
Nov 03 09:21:24.233 INFO kablam!     |
Nov 03 09:21:24.234 INFO kablam! 261 |         DiscardOnDrop::new(Foo::new());
Nov 03 09:21:24.234 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:24.234 INFO kablam!     |
Nov 03 09:21:24.234 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 03 09:21:24.235 INFO kablam!     = note: 
Nov 03 09:21:24.235 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Nov 03 09:21:24.235 INFO kablam!             You probably don't want that to happen.
Nov 03 09:21:24.235 INFO kablam!             
Nov 03 09:21:24.236 INFO kablam!             How to fix this:
Nov 03 09:21:24.236 INFO kablam!             
Nov 03 09:21:24.236 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Nov 03 09:21:24.236 INFO kablam!             
Nov 03 09:21:24.237 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Nov 03 09:21:24.237 INFO kablam!                 discarded (this *will* leak memory!).
Nov 03 09:21:24.237 INFO kablam!             
Nov 03 09:21:24.237 INFO kablam!             See the DiscardOnDrop documentation for more details.
Nov 03 09:21:24.238 INFO kablam! 
Nov 03 09:21:24.238 INFO kablam! warning: unused `DiscardOnDrop` that must be used
Nov 03 09:21:24.238 INFO kablam!    --> src/lib.rs:262:9
Nov 03 09:21:24.238 INFO kablam!     |
Nov 03 09:21:24.239 INFO kablam! 262 |         DiscardOnDrop::new(Foo::new());
Nov 03 09:21:24.239 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 03 09:21:24.239 INFO kablam!     |
Nov 03 09:21:24.239 INFO kablam!     = note: 
Nov 03 09:21:24.240 INFO kablam!             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Nov 03 09:21:24.244 INFO kablam!             You probably don't want that to happen.
Nov 03 09:21:24.244 INFO kablam!             
Nov 03 09:21:24.244 INFO kablam!             How to fix this:
Nov 03 09:21:24.245 INFO kablam!             
Nov 03 09:21:24.245 INFO kablam!               * Store the DiscardOnDrop in a variable or data structure.
Nov 03 09:21:24.245 INFO kablam!             
Nov 03 09:21:24.245 INFO kablam!               * Or use the DiscardOnDrop::leak function which will cause it to not be
Nov 03 09:21:24.246 INFO kablam!                 discarded (this *will* leak memory!).
Nov 03 09:21:24.246 INFO kablam!             
Nov 03 09:21:24.246 INFO kablam!             See the DiscardOnDrop documentation for more details.
Nov 03 09:21:24.246 INFO kablam! 
Nov 03 09:21:24.260 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 03 09:21:24.261 INFO kablam! su: No module specific data is present
Nov 03 09:21:25.160 INFO running `"docker" "rm" "-f" "0c005b1cce78ef439498bdc4187d449ec4ada74da97c87e72241e92d97e65162"`
Nov 03 09:21:25.372 INFO blam! 0c005b1cce78ef439498bdc4187d449ec4ada74da97c87e72241e92d97e65162