[INFO] fetching crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0...
[INFO] testing lock-free-multi-producer-single-consumer-ring-buffer-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c9d94fb1717c6e26b51824e0a180cef1376e55a92f9710e2f715cd83e1cd350
[INFO] running `Command { std: "docker" "start" "-a" "5c9d94fb1717c6e26b51824e0a180cef1376e55a92f9710e2f715cd83e1cd350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c9d94fb1717c6e26b51824e0a180cef1376e55a92f9710e2f715cd83e1cd350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c9d94fb1717c6e26b51824e0a180cef1376e55a92f9710e2f715cd83e1cd350", kill_on_drop: false }`
[INFO] [stdout] 5c9d94fb1717c6e26b51824e0a180cef1376e55a92f9710e2f715cd83e1cd350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3bcfed516b43264efd7547590d2eeb232908c95e3766c4fdf53bb9395faa027
[INFO] running `Command { std: "docker" "start" "-a" "e3bcfed516b43264efd7547590d2eeb232908c95e3766c4fdf53bb9395faa027", 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] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(allocator_api, core_intrinsics)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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:111:17
[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:121:26
[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 4 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, 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` due to 5 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e3bcfed516b43264efd7547590d2eeb232908c95e3766c4fdf53bb9395faa027", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bcfed516b43264efd7547590d2eeb232908c95e3766c4fdf53bb9395faa027", kill_on_drop: false }`
[INFO] [stdout] e3bcfed516b43264efd7547590d2eeb232908c95e3766c4fdf53bb9395faa027
