Nov 18 16:01:18.561 INFO testing discard-1.0.4 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 18 16:01:18.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 16:01:18.776 INFO [stdout] 04694336081ecface4af4d1ef0bf04628c0d35e624fd2aaa3542067c8e762e55
Nov 18 16:01:18.780 INFO running `"docker" "start" "-a" "04694336081ecface4af4d1ef0bf04628c0d35e624fd2aaa3542067c8e762e55"`
Nov 18 16:01:19.198 INFO [stderr] usermod: no changes
Nov 18 16:01:19.229 INFO [stderr]    Compiling discard v1.0.4 (/source)
Nov 18 16:01:19.656 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Nov 18 16:01:19.658 INFO [stderr] su: No module specific data is present
Nov 18 16:01:19.969 INFO running `"docker" "inspect" "04694336081ecface4af4d1ef0bf04628c0d35e624fd2aaa3542067c8e762e55"`
Nov 18 16:01:20.023 INFO running `"docker" "rm" "-f" "04694336081ecface4af4d1ef0bf04628c0d35e624fd2aaa3542067c8e762e55"`
Nov 18 16:01:20.120 INFO [stdout] 04694336081ecface4af4d1ef0bf04628c0d35e624fd2aaa3542067c8e762e55
Nov 18 16:01:20.125 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 16:01:20.537 INFO [stdout] 9de5ddc1e1dc6836586e18fb318004e7916c532886e4ad7f748ab3a850a02c5b
Nov 18 16:01:20.541 INFO running `"docker" "start" "-a" "9de5ddc1e1dc6836586e18fb318004e7916c532886e4ad7f748ab3a850a02c5b"`
Nov 18 16:01:20.914 INFO [stderr] usermod: no changes
Nov 18 16:01:20.951 INFO [stderr]    Compiling discard v1.0.4 (/source)
Nov 18 16:01:21.444 INFO [stderr] warning: unused `DiscardOnDrop` that must be used
Nov 18 16:01:21.444 INFO [stderr]    --> src/lib.rs:261:9
Nov 18 16:01:21.444 INFO [stderr]     |
Nov 18 16:01:21.445 INFO [stderr] 261 |         DiscardOnDrop::new(Foo::new());
Nov 18 16:01:21.445 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:01:21.445 INFO [stderr]     |
Nov 18 16:01:21.445 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 18 16:01:21.446 INFO [stderr]     = note: 
Nov 18 16:01:21.446 INFO [stderr]             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Nov 18 16:01:21.446 INFO [stderr]             You probably don't want that to happen.
Nov 18 16:01:21.448 INFO [stderr]             
Nov 18 16:01:21.449 INFO [stderr]             How to fix this:
Nov 18 16:01:21.449 INFO [stderr]             
Nov 18 16:01:21.449 INFO [stderr]               * Store the DiscardOnDrop in a variable or data structure.
Nov 18 16:01:21.449 INFO [stderr]             
Nov 18 16:01:21.450 INFO [stderr]               * Or use the DiscardOnDrop::leak function which will cause it to not be
Nov 18 16:01:21.450 INFO [stderr]                 discarded (this *will* leak memory!).
Nov 18 16:01:21.450 INFO [stderr]             
Nov 18 16:01:21.451 INFO [stderr]             See the DiscardOnDrop documentation for more details.
Nov 18 16:01:21.451 INFO [stderr] 
Nov 18 16:01:21.452 INFO [stderr] warning: unused `DiscardOnDrop` that must be used
Nov 18 16:01:21.452 INFO [stderr]    --> src/lib.rs:262:9
Nov 18 16:01:21.453 INFO [stderr]     |
Nov 18 16:01:21.453 INFO [stderr] 262 |         DiscardOnDrop::new(Foo::new());
Nov 18 16:01:21.453 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 16:01:21.453 INFO [stderr]     |
Nov 18 16:01:21.454 INFO [stderr]     = note: 
Nov 18 16:01:21.455 INFO [stderr]             The DiscardOnDrop is unused, which causes it to be immediately discarded.
Nov 18 16:01:21.455 INFO [stderr]             You probably don't want that to happen.
Nov 18 16:01:21.455 INFO [stderr]             
Nov 18 16:01:21.456 INFO [stderr]             How to fix this:
Nov 18 16:01:21.457 INFO [stderr]             
Nov 18 16:01:21.457 INFO [stderr]               * Store the DiscardOnDrop in a variable or data structure.
Nov 18 16:01:21.457 INFO [stderr]             
Nov 18 16:01:21.458 INFO [stderr]               * Or use the DiscardOnDrop::leak function which will cause it to not be
Nov 18 16:01:21.458 INFO [stderr]                 discarded (this *will* leak memory!).
Nov 18 16:01:21.458 INFO [stderr]             
Nov 18 16:01:21.458 INFO [stderr]             See the DiscardOnDrop documentation for more details.
Nov 18 16:01:21.459 INFO [stderr] 
Nov 18 16:01:21.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
Nov 18 16:01:21.836 INFO [stderr] su: No module specific data is present
Nov 18 16:01:22.144 INFO running `"docker" "inspect" "9de5ddc1e1dc6836586e18fb318004e7916c532886e4ad7f748ab3a850a02c5b"`
Nov 18 16:01:22.243 INFO running `"docker" "rm" "-f" "9de5ddc1e1dc6836586e18fb318004e7916c532886e4ad7f748ab3a850a02c5b"`
Nov 18 16:01:22.380 INFO [stdout] 9de5ddc1e1dc6836586e18fb318004e7916c532886e4ad7f748ab3a850a02c5b
Nov 18 16:01:22.384 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 18 16:01:22.629 INFO [stdout] 33aeca3e40c158faaae484730a7f44ceee0eb1a5e8d71f21a112c17fe4ed5601
Nov 18 16:01:22.631 INFO running `"docker" "start" "-a" "33aeca3e40c158faaae484730a7f44ceee0eb1a5e8d71f21a112c17fe4ed5601"`
Nov 18 16:01:23.071 INFO [stderr] usermod: no changes
Nov 18 16:01:23.106 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 18 16:01:23.106 INFO [stderr]      Running /target/debug/deps/discard-4f91d0bedb405ab9
Nov 18 16:01:23.108 INFO [stdout] 
Nov 18 16:01:23.108 INFO [stdout] running 7 tests
Nov 18 16:01:23.109 INFO [stdout] test tests::no_discard ... ok
Nov 18 16:01:23.109 INFO [stdout] test tests::leak ... ok
Nov 18 16:01:23.109 INFO [stdout] test tests::deref_mut ... ok
Nov 18 16:01:23.117 INFO [stdout] test tests::unused_discard_on_drop ... ok
Nov 18 16:01:23.117 INFO [stdout] test tests::unused ... ok
Nov 18 16:01:23.117 INFO [stdout] test tests::discard ... ok
Nov 18 16:01:23.117 INFO [stdout] test tests::discard_on_drop ... ok
Nov 18 16:01:23.117 INFO [stdout] 
Nov 18 16:01:23.117 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 16:01:23.117 INFO [stdout] 
Nov 18 16:01:23.118 INFO [stderr]    Doc-tests discard
Nov 18 16:01:23.803 INFO [stdout] 
Nov 18 16:01:23.803 INFO [stdout] running 3 tests
Nov 18 16:01:23.803 INFO [stdout] test src/lib.rs -  (line 15) ... ignored
Nov 18 16:01:23.803 INFO [stdout] test src/lib.rs -  (line 30) ... ignored
Nov 18 16:01:23.803 INFO [stdout] test src/lib.rs -  (line 61) ... ignored
Nov 18 16:01:23.803 INFO [stdout] 
Nov 18 16:01:23.803 INFO [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
Nov 18 16:01:23.803 INFO [stdout] 
Nov 18 16:01:23.809 INFO [stderr] su: No module specific data is present
Nov 18 16:01:24.154 INFO running `"docker" "inspect" "33aeca3e40c158faaae484730a7f44ceee0eb1a5e8d71f21a112c17fe4ed5601"`
Nov 18 16:01:24.272 INFO running `"docker" "rm" "-f" "33aeca3e40c158faaae484730a7f44ceee0eb1a5e8d71f21a112c17fe4ed5601"`
Nov 18 16:01:24.358 INFO [stdout] 33aeca3e40c158faaae484730a7f44ceee0eb1a5e8d71f21a112c17fe4ed5601