[INFO] fetching crate lockfree 0.5.1...
[INFO] testing lockfree-0.5.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate lockfree 0.5.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate lockfree 0.5.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lockfree 0.5.1
[INFO] finished tweaking crates.io crate lockfree 0.5.1
[INFO] tweaked toml for crates.io crate lockfree 0.5.1 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4fcd46c87a6f22bd7f1ca47f6b9bd641a53a4dea96f5a6e5eed5315f71c3ed1
[INFO] running `Command { std: "docker" "start" "-a" "d4fcd46c87a6f22bd7f1ca47f6b9bd641a53a4dea96f5a6e5eed5315f71c3ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4fcd46c87a6f22bd7f1ca47f6b9bd641a53a4dea96f5a6e5eed5315f71c3ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fcd46c87a6f22bd7f1ca47f6b9bd641a53a4dea96f5a6e5eed5315f71c3ed1", kill_on_drop: false }`
[INFO] [stdout] d4fcd46c87a6f22bd7f1ca47f6b9bd641a53a4dea96f5a6e5eed5315f71c3ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf763e7695b038ba539c7e7f8d46528224fc88078562dea411fbdfd7a447531c
[INFO] running `Command { std: "docker" "start" "-a" "bf763e7695b038ba539c7e7f8d46528224fc88078562dea411fbdfd7a447531c", kill_on_drop: false }`
[INFO] [stderr]    Compiling owned-alloc v0.2.0
[INFO] [stderr]    Compiling lockfree v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |                           mem::{forget, replace, uninitialized},
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/queue.rs:261:1
[INFO] [stdout]     |
[INFO] [stdout] 261 | / make_shared_incin! {
[INFO] [stdout] 262 | |     { "[`Queue`]" }
[INFO] [stdout] 263 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 264 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/queue.rs:261:1
[INFO] [stdout]     |
[INFO] [stdout] 261 | / make_shared_incin! {
[INFO] [stdout] 262 | |     { "[`Queue`]" }
[INFO] [stdout] 263 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 264 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |                           mem::{forget, replace, uninitialized},
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/stack.rs:204:1
[INFO] [stdout]     |
[INFO] [stdout] 204 | / make_shared_incin! {
[INFO] [stdout] 205 | |     { "[`Stack`]" }
[INFO] [stdout] 206 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 207 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/stack.rs:204:1
[INFO] [stdout]     |
[INFO] [stdout] 204 | / make_shared_incin! {
[INFO] [stdout] 205 | |     { "[`Stack`]" }
[INFO] [stdout] 206 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 207 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |                           mem::{forget, replace, uninitialized},
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/map/mod.rs:501:1
[INFO] [stdout]     |
[INFO] [stdout] 501 | / make_shared_incin! {
[INFO] [stdout] 502 | |     { "[`Map`]" }
[INFO] [stdout] 503 | |     pub SharedIncin<K, V> of Garbage<K, V>
[INFO] [stdout] 504 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/map/mod.rs:501:1
[INFO] [stdout]     |
[INFO] [stdout] 501 | / make_shared_incin! {
[INFO] [stdout] 502 | |     { "[`Map`]" }
[INFO] [stdout] 503 | |     pub SharedIncin<K, V> of Garbage<K, V>
[INFO] [stdout] 504 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/removable.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 |     mem::{replace, uninitialized, ManuallyDrop},
[INFO] [stdout]   |                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/removable.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |             item: ManuallyDrop::new(unsafe { uninitialized() }),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |                           mem::{forget, replace, uninitialized},
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/spmc.rs:329:1
[INFO] [stdout]     |
[INFO] [stdout] 329 | / make_shared_incin! {
[INFO] [stdout] 330 | |     { "`spmc::Receiver`" }
[INFO] [stdout] 331 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 332 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/spmc.rs:329:1
[INFO] [stdout]     |
[INFO] [stdout] 329 | / make_shared_incin! {
[INFO] [stdout] 330 | |     { "`spmc::Receiver`" }
[INFO] [stdout] 331 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 332 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:325:48
[INFO] [stdout]     |
[INFO] [stdout] 325 |                           mem::{forget, replace, uninitialized},
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/mpmc.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | / make_shared_incin! {
[INFO] [stdout] 447 | |     { "`mpmc::Receiver`" }
[INFO] [stdout] 448 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 449 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/mpmc.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | / make_shared_incin! {
[INFO] [stdout] 447 | |     { "`mpmc::Receiver`" }
[INFO] [stdout] 448 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 449 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicPtr::<T>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/map/bucket.rs:555:31
[INFO] [stdout]     |
[INFO] [stdout] 555 |         let res = self.atomic.compare_and_swap(
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pause`
[INFO] [stdout]   --> src/map/guard.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pause: Pause<'map, Garbage<K, V>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: compare_exchange's failure ordering may not be `Release` or `AcqRel`
[INFO] [stdout]    --> src/tls/mod.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |                     Release,
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_atomic_ordering)]` on by default
[INFO] [stdout]     = help: consider using ordering modes `Acquire` or `Relaxed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Arc<Incinerator<OwnedAlloc<queue::Node<T>>>>` does not permit being left uninitialized
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    this code causes undefined behavior when executed
[INFO] [stdout]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/queue.rs:261:1
[INFO] [stdout]     |
[INFO] [stdout] 261 | / make_shared_incin! {
[INFO] [stdout] 262 | |     { "[`Queue`]" }
[INFO] [stdout] 263 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 264 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] note: `std::ptr::NonNull<alloc::sync::ArcInner<incin::Incinerator<owned_alloc::OwnedAlloc<queue::Node<T>>>>>` must be non-null (in this struct field)
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Arc<Incinerator<OwnedAlloc<stack::Node<T>>>>` does not permit being left uninitialized
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    this code causes undefined behavior when executed
[INFO] [stdout]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/stack.rs:204:1
[INFO] [stdout]     |
[INFO] [stdout] 204 | / make_shared_incin! {
[INFO] [stdout] 205 | |     { "[`Stack`]" }
[INFO] [stdout] 206 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 207 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: `std::ptr::NonNull<alloc::sync::ArcInner<incin::Incinerator<owned_alloc::OwnedAlloc<stack::Node<T>>>>>` must be non-null (in this struct field)
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Arc<Incinerator<Garbage<K, V>>>` does not permit being left uninitialized
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    this code causes undefined behavior when executed
[INFO] [stdout]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/map/mod.rs:501:1
[INFO] [stdout]     |
[INFO] [stdout] 501 | / make_shared_incin! {
[INFO] [stdout] 502 | |     { "[`Map`]" }
[INFO] [stdout] 503 | |     pub SharedIncin<K, V> of Garbage<K, V>
[INFO] [stdout] 504 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: `std::ptr::NonNull<alloc::sync::ArcInner<incin::Incinerator<map::bucket::Garbage<K, V>>>>` must be non-null (in this struct field)
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Arc<Incinerator<OwnedAlloc<spmc::Node<T>>>>` does not permit being left uninitialized
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    this code causes undefined behavior when executed
[INFO] [stdout]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/spmc.rs:329:1
[INFO] [stdout]     |
[INFO] [stdout] 329 | / make_shared_incin! {
[INFO] [stdout] 330 | |     { "`spmc::Receiver`" }
[INFO] [stdout] 331 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 332 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: `std::ptr::NonNull<alloc::sync::ArcInner<incin::Incinerator<owned_alloc::OwnedAlloc<channel::spmc::Node<T>>>>>` must be non-null (in this struct field)
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Arc<Incinerator<OwnedAlloc<mpmc::Node<T>>>>` does not permit being left uninitialized
[INFO] [stdout]    --> src/incin.rs:332:50
[INFO] [stdout]     |
[INFO] [stdout] 332 |                           replace(&mut self.inner, uninitialized())
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    this code causes undefined behavior when executed
[INFO] [stdout]     |                                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/channel/mpmc.rs:446:1
[INFO] [stdout]     |
[INFO] [stdout] 446 | / make_shared_incin! {
[INFO] [stdout] 447 | |     { "`mpmc::Receiver`" }
[INFO] [stdout] 448 | |     pub SharedIncin<T> of OwnedAlloc<Node<T>>
[INFO] [stdout] 449 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout] note: `std::ptr::NonNull<alloc::sync::ArcInner<incin::Incinerator<owned_alloc::OwnedAlloc<channel::mpmc::Node<T>>>>>` must be non-null (in this struct field)
[INFO] [stdout]     = note: this warning originates in the macro `make_shared_incin` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lockfree` due to 2 previous errors; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bf763e7695b038ba539c7e7f8d46528224fc88078562dea411fbdfd7a447531c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf763e7695b038ba539c7e7f8d46528224fc88078562dea411fbdfd7a447531c", kill_on_drop: false }`
[INFO] [stdout] bf763e7695b038ba539c7e7f8d46528224fc88078562dea411fbdfd7a447531c