[INFO] crate ringbuf 0.1.6 is already in cache
[INFO] testing ringbuf-0.1.6 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate ringbuf 0.1.6 into work/builds/worker-11/source
[INFO] validating manifest of crates.io crate ringbuf 0.1.6 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ringbuf 0.1.6
[INFO] finished tweaking crates.io crate ringbuf 0.1.6
[INFO] tweaked toml for crates.io crate ringbuf 0.1.6 written to work/builds/worker-11/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 2c0d14bb2c6c276ec32facf459eab3f7135626d2f88601b1802fbb5f4c85050c
[INFO] running `"docker" "start" "-a" "2c0d14bb2c6c276ec32facf459eab3f7135626d2f88601b1802fbb5f4c85050c"`
[INFO] [stderr]    Compiling ringbuf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:314:55
[INFO] [stderr]     |
[INFO] [stderr] 314 |             mem::drop(mem::replace(elem_ref, unsafe { mem::uninitialized() }));
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:613:52
[INFO] [stderr]     |
[INFO] [stderr] 613 |             let elem = mem::replace(&mut slice[0], mem::uninitialized());
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "2c0d14bb2c6c276ec32facf459eab3f7135626d2f88601b1802fbb5f4c85050c"`
[INFO] running `"docker" "rm" "-f" "2c0d14bb2c6c276ec32facf459eab3f7135626d2f88601b1802fbb5f4c85050c"`
[INFO] [stdout] 2c0d14bb2c6c276ec32facf459eab3f7135626d2f88601b1802fbb5f4c85050c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 66f10f361f647764b2669d37cb16e8e290dbd86f6ef4231c0433a99c6b64907c
[INFO] running `"docker" "start" "-a" "66f10f361f647764b2669d37cb16e8e290dbd86f6ef4231c0433a99c6b64907c"`
[INFO] [stderr]    Compiling ringbuf v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:314:55
[INFO] [stderr]     |
[INFO] [stderr] 314 |             mem::drop(mem::replace(elem_ref, unsafe { mem::uninitialized() }));
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:613:52
[INFO] [stderr]     |
[INFO] [stderr] 613 |             let elem = mem::replace(&mut slice[0], mem::uninitialized());
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "66f10f361f647764b2669d37cb16e8e290dbd86f6ef4231c0433a99c6b64907c"`
[INFO] running `"docker" "rm" "-f" "66f10f361f647764b2669d37cb16e8e290dbd86f6ef4231c0433a99c6b64907c"`
[INFO] [stdout] 66f10f361f647764b2669d37cb16e8e290dbd86f6ef4231c0433a99c6b64907c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 0136de3cbe01d6c2a4962171b42a7cf0318e44b7ab52da8fcb054042c7653e80
[INFO] running `"docker" "start" "-a" "0136de3cbe01d6c2a4962171b42a7cf0318e44b7ab52da8fcb054042c7653e80"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ringbuf-731ac5a32a555c3f
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test tests::capacity ... ok
[INFO] [stdout] test dummy_test ... ok
[INFO] [stdout] test tests::drop ... ok
[INFO] [stdout] test tests::empty_full ... ok
[INFO] [stdout] test tests::len_remaining ... ok
[INFO] [stdout] test tests::move_slice_count ... ok
[INFO] [stdout] test tests::pop_access_empty ... ok
[INFO] [stdout] test tests::move_slice ... ok
[INFO] [stdout] test tests::pop_access ... ok
[INFO] [stdout] test tests::pop_access_full ... ok
[INFO] [stdout] test tests::pop_access_return ... ok
[INFO] [stdout] test tests::push_access ... ok
[INFO] [stdout] test tests::pop_empty ... ok
[INFO] [stdout] test tests::push ... ok
[INFO] [stdout] test tests::push_access_return ... ok
[INFO] [stdout] test tests::push_pop_all ... ok
[INFO] [stdout] test tests::push_pop_access ... ok
[INFO] [stdout] test tests::push_pop_one ... ok
[INFO] [stdout] test tests::push_pop_slice ... ok
[INFO] [stdout] test tests::read_from ... ok
[INFO] [stdout] test tests::read_from_write_into_count ... ok
[INFO] [stdout] test tests::split_capacity ... ok
[INFO] [stdout] test tests::write_into ... ok
[INFO] [stdout] test tests::split_threads ... ok
[INFO] [stdout] test tests::push_pop_access_message ... ok
[INFO] [stdout] test tests::push_pop_slice_message ... ok
[INFO] [stdout] test tests::read_from_write_into_message ... ok
[INFO] [stdout] test tests::read_write_message ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] test src/lib.rs -  (line 47) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0136de3cbe01d6c2a4962171b42a7cf0318e44b7ab52da8fcb054042c7653e80"`
[INFO] running `"docker" "rm" "-f" "0136de3cbe01d6c2a4962171b42a7cf0318e44b7ab52da8fcb054042c7653e80"`
[INFO] [stdout] 0136de3cbe01d6c2a4962171b42a7cf0318e44b7ab52da8fcb054042c7653e80