[INFO] fetching crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0...
[INFO] checking lock-free-multi-producer-single-consumer-ring-buffer-0.4.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0
[INFO] finished tweaking crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0
[INFO] tweaked toml for crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 179b191e37d66636663c87d47c2c91a4694fb78154568d92118e3ef487c2fad6
[INFO] running `"docker" "start" "-a" "179b191e37d66636663c87d47c2c91a4694fb78154568d92118e3ef487c2fad6"`
[INFO] [stderr]     Checking lock-free-multi-producer-single-consumer-ring-buffer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | use ::std::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/RingBufferInnerHeader.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |             buffer: unsafe { uninitialized() },
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 | use ::std::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/RingBufferInnerHeader.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |             buffer: unsafe { uninitialized() },
[INFO] [stderr]     |                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `std::ptr::NonNull<T>` does not permit being left uninitialized
[INFO] [stderr]    --> src/RingBufferInnerHeader.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |             buffer: unsafe { uninitialized() },
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              this code causes undefined behavior when executed
[INFO] [stderr]     |                              help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr]     = note: std::ptr::NonNull<T> must be non-null
[INFO] [stderr] 
[INFO] [stderr] warning: the type `std::ptr::NonNull<T>` does not permit being left uninitialized
[INFO] [stderr]    --> src/RingBufferInnerHeader.rs:316:21
[INFO] [stderr]     |
[INFO] [stderr] 316 |             buffer: unsafe { uninitialized() },
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              this code causes undefined behavior when executed
[INFO] [stderr]     |                              help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr]     = note: std::ptr::NonNull<T> must be non-null
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "179b191e37d66636663c87d47c2c91a4694fb78154568d92118e3ef487c2fad6"`
[INFO] running `"docker" "rm" "-f" "179b191e37d66636663c87d47c2c91a4694fb78154568d92118e3ef487c2fad6"`
[INFO] [stdout] 179b191e37d66636663c87d47c2c91a4694fb78154568d92118e3ef487c2fad6