[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 master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lock-free-multi-producer-single-consumer-ring-buffer 0.4.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef3dc1f9a676cbad33e27938cfb15ecf22ee47462ba36609066cc89e5008ceaa
[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" "ef3dc1f9a676cbad33e27938cfb15ecf22ee47462ba36609066cc89e5008ceaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3dc1f9a676cbad33e27938cfb15ecf22ee47462ba36609066cc89e5008ceaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3dc1f9a676cbad33e27938cfb15ecf22ee47462ba36609066cc89e5008ceaa", kill_on_drop: false }`
[INFO] [stdout] ef3dc1f9a676cbad33e27938cfb15ecf22ee47462ba36609066cc89e5008ceaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6a9fbca34c449dc75cfd2f587a9689dbe891a169b98157f34afb8bd04c2d93a
[INFO] running `Command { std: "docker" "start" "-a" "a6a9fbca34c449dc75cfd2f587a9689dbe891a169b98157f34afb8bd04c2d93a", kill_on_drop: false }`
[INFO] [stderr]     Checking 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] 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: 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::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: 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::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] 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]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 99 | use std::alloc::AllocRef;
[INFO] [stdout]    |
[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]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 99 | use std::alloc::AllocRef;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 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] [stderr] warning: build failed, waiting for other jobs to finish...
[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]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 99 | use std::alloc::AllocRef;
[INFO] [stdout]    |
[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]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]    |
[INFO] [stdout] 99 | use std::alloc::AllocRef;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 3 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: build failed
[INFO] running `Command { std: "docker" "inspect" "a6a9fbca34c449dc75cfd2f587a9689dbe891a169b98157f34afb8bd04c2d93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a9fbca34c449dc75cfd2f587a9689dbe891a169b98157f34afb8bd04c2d93a", kill_on_drop: false }`
[INFO] [stdout] a6a9fbca34c449dc75cfd2f587a9689dbe891a169b98157f34afb8bd04c2d93a
