Dec 07 18:40:13.692 INFO testing discard-1.0.4 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 18:40:13.692 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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"`
Dec 07 18:40:13.928 INFO [stdout] 15492a43c37a10705a6b4def6389ee4cfd7c65417b9a1db72e3199c6cf8d7ac6
Dec 07 18:40:13.930 INFO running `"docker" "start" "-a" "15492a43c37a10705a6b4def6389ee4cfd7c65417b9a1db72e3199c6cf8d7ac6"`
Dec 07 18:40:14.401 INFO [stderr] usermod: no changes
Dec 07 18:40:14.428 INFO [stderr]    Compiling discard v1.0.4 (/source)
Dec 07 18:40:14.970 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 07 18:40:14.972 INFO [stderr] su: No module specific data is present
Dec 07 18:40:15.545 INFO running `"docker" "inspect" "15492a43c37a10705a6b4def6389ee4cfd7c65417b9a1db72e3199c6cf8d7ac6"`
Dec 07 18:40:15.657 INFO running `"docker" "rm" "-f" "15492a43c37a10705a6b4def6389ee4cfd7c65417b9a1db72e3199c6cf8d7ac6"`
Dec 07 18:40:15.750 INFO [stdout] 15492a43c37a10705a6b4def6389ee4cfd7c65417b9a1db72e3199c6cf8d7ac6
Dec 07 18:40:15.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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"`
Dec 07 18:40:15.948 INFO [stdout] 17bd9533b3dd89c43df98399871857601441ac64d3e8c89e3fea7dd3fc11c43c
Dec 07 18:40:15.951 INFO running `"docker" "start" "-a" "17bd9533b3dd89c43df98399871857601441ac64d3e8c89e3fea7dd3fc11c43c"`
Dec 07 18:40:16.325 INFO [stderr] usermod: no changes
Dec 07 18:40:16.356 INFO [stderr]    Compiling discard v1.0.4 (/source)
Dec 07 18:40:17.003 INFO [stderr] warning: unused `DiscardOnDrop` that must be used
Dec 07 18:40:17.003 INFO [stderr]    --> src/lib.rs:261:9
Dec 07 18:40:17.003 INFO [stderr]     |
Dec 07 18:40:17.003 INFO [stderr] 261 |         DiscardOnDrop::new(Foo::new());
Dec 07 18:40:17.003 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 18:40:17.003 INFO [stderr]     |
Dec 07 18:40:17.003 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 07 18:40:17.003 INFO [stderr]     = note: 
Dec 07 18:40:17.003 INFO [stderr]             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Dec 07 18:40:17.003 INFO [stderr]             You probably don't want that to happen.
Dec 07 18:40:17.003 INFO [stderr]             
Dec 07 18:40:17.003 INFO [stderr]             How to fix this:
Dec 07 18:40:17.003 INFO [stderr]             
Dec 07 18:40:17.003 INFO [stderr]               * Store the DiscardOnDrop in a variable or data structure.
Dec 07 18:40:17.003 INFO [stderr]             
Dec 07 18:40:17.003 INFO [stderr]               * Or use the DiscardOnDrop::leak function which will cause it to not be
Dec 07 18:40:17.003 INFO [stderr]                 discarded (this *will* leak memory!).
Dec 07 18:40:17.003 INFO [stderr]             
Dec 07 18:40:17.003 INFO [stderr]             See the DiscardOnDrop documentation for more details.
Dec 07 18:40:17.003 INFO [stderr] 
Dec 07 18:40:17.003 INFO [stderr] warning: unused `DiscardOnDrop` that must be used
Dec 07 18:40:17.003 INFO [stderr]    --> src/lib.rs:262:9
Dec 07 18:40:17.003 INFO [stderr]     |
Dec 07 18:40:17.003 INFO [stderr] 262 |         DiscardOnDrop::new(Foo::new());
Dec 07 18:40:17.003 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 18:40:17.003 INFO [stderr]     |
Dec 07 18:40:17.004 INFO [stderr]     = note: 
Dec 07 18:40:17.004 INFO [stderr]             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Dec 07 18:40:17.004 INFO [stderr]             You probably don't want that to happen.
Dec 07 18:40:17.004 INFO [stderr]             
Dec 07 18:40:17.004 INFO [stderr]             How to fix this:
Dec 07 18:40:17.004 INFO [stderr]             
Dec 07 18:40:17.004 INFO [stderr]               * Store the DiscardOnDrop in a variable or data structure.
Dec 07 18:40:17.004 INFO [stderr]             
Dec 07 18:40:17.004 INFO [stderr]               * Or use the DiscardOnDrop::leak function which will cause it to not be
Dec 07 18:40:17.004 INFO [stderr]                 discarded (this *will* leak memory!).
Dec 07 18:40:17.004 INFO [stderr]             
Dec 07 18:40:17.004 INFO [stderr]             See the DiscardOnDrop documentation for more details.
Dec 07 18:40:17.004 INFO [stderr] 
Dec 07 18:40:17.321 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 07 18:40:17.323 INFO [stderr] su: No module specific data is present
Dec 07 18:40:17.727 INFO running `"docker" "inspect" "17bd9533b3dd89c43df98399871857601441ac64d3e8c89e3fea7dd3fc11c43c"`
Dec 07 18:40:17.870 INFO running `"docker" "rm" "-f" "17bd9533b3dd89c43df98399871857601441ac64d3e8c89e3fea7dd3fc11c43c"`
Dec 07 18:40:18.148 INFO [stdout] 17bd9533b3dd89c43df98399871857601441ac64d3e8c89e3fea7dd3fc11c43c
Dec 07 18:40:18.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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"`
Dec 07 18:40:18.412 INFO [stdout] f42edd2168c29f36375a5d257377f8dd6f713a4863ce1cd091a09d1c099b7d4e
Dec 07 18:40:18.416 INFO running `"docker" "start" "-a" "f42edd2168c29f36375a5d257377f8dd6f713a4863ce1cd091a09d1c099b7d4e"`
Dec 07 18:40:19.317 INFO [stderr] usermod: no changes
Dec 07 18:40:19.382 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 07 18:40:19.382 INFO [stderr]      Running /target/debug/deps/discard-470b044f22a274b2
Dec 07 18:40:19.400 INFO [stdout] 
Dec 07 18:40:19.400 INFO [stdout] running 7 tests
Dec 07 18:40:19.400 INFO [stdout] test tests::discard ... ok
Dec 07 18:40:19.400 INFO [stdout] test tests::discard_on_drop ... ok
Dec 07 18:40:19.400 INFO [stdout] test tests::leak ... ok
Dec 07 18:40:19.400 INFO [stdout] test tests::unused_discard_on_drop ... ok
Dec 07 18:40:19.400 INFO [stdout] test tests::unused ... ok
Dec 07 18:40:19.400 INFO [stdout] test tests::deref_mut ... ok
Dec 07 18:40:19.400 INFO [stdout] test tests::no_discard ... ok
Dec 07 18:40:19.400 INFO [stdout] 
Dec 07 18:40:19.400 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 18:40:19.400 INFO [stdout] 
Dec 07 18:40:19.416 INFO [stderr]    Doc-tests discard
Dec 07 18:40:20.317 INFO [stdout] 
Dec 07 18:40:20.317 INFO [stdout] running 3 tests
Dec 07 18:40:20.317 INFO [stdout] test src/lib.rs -  (line 15) ... ignored
Dec 07 18:40:20.317 INFO [stdout] test src/lib.rs -  (line 30) ... ignored
Dec 07 18:40:20.317 INFO [stdout] test src/lib.rs -  (line 61) ... ignored
Dec 07 18:40:20.317 INFO [stdout] 
Dec 07 18:40:20.317 INFO [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
Dec 07 18:40:20.317 INFO [stdout] 
Dec 07 18:40:20.321 INFO [stderr] su: No module specific data is present
Dec 07 18:40:20.970 INFO running `"docker" "inspect" "f42edd2168c29f36375a5d257377f8dd6f713a4863ce1cd091a09d1c099b7d4e"`
Dec 07 18:40:21.196 INFO running `"docker" "rm" "-f" "f42edd2168c29f36375a5d257377f8dd6f713a4863ce1cd091a09d1c099b7d4e"`
Dec 07 18:40:21.413 INFO [stdout] f42edd2168c29f36375a5d257377f8dd6f713a4863ce1cd091a09d1c099b7d4e