[INFO] fetching crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0...
[INFO] building lock-free-multi-producer-single-consumer-ring-buffer-0.4.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded likely v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45ef48c4a4f31d8030a7816c30a5fdbd7efa0a8b723cc32401dcf4ef51f1d600
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45ef48c4a4f31d8030a7816c30a5fdbd7efa0a8b723cc32401dcf4ef51f1d600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45ef48c4a4f31d8030a7816c30a5fdbd7efa0a8b723cc32401dcf4ef51f1d600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45ef48c4a4f31d8030a7816c30a5fdbd7efa0a8b723cc32401dcf4ef51f1d600", kill_on_drop: false }`
[INFO] [stdout] 45ef48c4a4f31d8030a7816c30a5fdbd7efa0a8b723cc32401dcf4ef51f1d600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83d2af22cfec1064404b06710332ac0a7e387033803490a83a0f1c4bc53ec9e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83d2af22cfec1064404b06710332ac0a7e387033803490a83a0f1c4bc53ec9e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling likely v0.1.0
[INFO] [stderr]    Compiling lock-free-multi-producer-single-consumer-ring-buffer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stdout]   --> src/lib.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 | use ::std::alloc::Alloc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^-----
[INFO] [stdout]    |     |             |
[INFO] [stdout]    |     |             help: a similar name exists in the module: `alloc`
[INFO] [stdout]    |     no `Alloc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/RingBufferInnerHeader.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 |             'workers: for _ in 0 .. self.number_of_producers
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | use ::std::mem::uninitialized;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | use ::std::sync::atomic::spin_loop_hint;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/RingBufferInnerHeader.rs:316:21
[INFO] [stdout]     |
[INFO] [stdout] 316 |             buffer: unsafe { uninitialized() },
[INFO] [stdout]     |                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/SpinLockBackOff.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 |             spin_loop_hint();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `dealloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]   --> src/RingBufferInner.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |         unsafe { Global.dealloc(NonNull::new_unchecked(self as *mut _ as *mut _), self.layout()) }
[INFO] [stdout]    |                         ^^^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `alloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stdout]   --> src/RingBufferInner.rs:60:34
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let raw_this_pointer = Global.alloc(layout).expect("Out of memory");
[INFO] [stdout]    |                                           ^^^^^ method not found in `std::alloc::Global`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lock-free-multi-producer-single-consumer-ring-buffer`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "83d2af22cfec1064404b06710332ac0a7e387033803490a83a0f1c4bc53ec9e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d2af22cfec1064404b06710332ac0a7e387033803490a83a0f1c4bc53ec9e9", kill_on_drop: false }`
[INFO] [stdout] 83d2af22cfec1064404b06710332ac0a7e387033803490a83a0f1c4bc53ec9e9
