[INFO] fetching crate mioco 0.8.1...
[INFO] testing mioco-0.8.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mioco 0.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mioco 0.8.1
[INFO] finished tweaking crates.io crate mioco 0.8.1
[INFO] tweaked toml for crates.io crate mioco 0.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mioco 0.8.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding clippy v0.0.85 (available: v0.0.302)
[INFO] [stderr]       Adding context v1.0.1 (available: v3.0.0)
[INFO] [stderr]       Adding env_logger v0.3.5 (available: v0.11.8)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding mio v0.5.1 (available: v1.1.0)
[INFO] [stderr]       Adding nix v0.6.0 (available: v0.30.1)
[INFO] [stderr]       Adding owning_ref v0.2.4 (available: v0.4.1)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] [stderr]       Adding slab v0.2.0 (available: v0.4.11)
[INFO] [stderr]       Adding spin v0.4.10 (available: v0.10.0)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.44)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.2.0
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
[INFO] [stderr]   Downloaded quine-mc_cluskey v0.2.4
[INFO] [stderr]   Downloaded clippy_lints v0.0.85
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded clippy v0.0.85
[INFO] [stderr]   Downloaded context v1.0.1
[INFO] [stderr]   Downloaded semver v0.2.3
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f7261fc5c3e6f466a6d8ffbb5c5c541d55582272586a9eb1625a4687fdd2aba
[INFO] running `Command { std: "docker" "start" "-a" "0f7261fc5c3e6f466a6d8ffbb5c5c541d55582272586a9eb1625a4687fdd2aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f7261fc5c3e6f466a6d8ffbb5c5c541d55582272586a9eb1625a4687fdd2aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7261fc5c3e6f466a6d8ffbb5c5c541d55582272586a9eb1625a4687fdd2aba", kill_on_drop: false }`
[INFO] [stdout] 0f7261fc5c3e6f466a6d8ffbb5c5c541d55582272586a9eb1625a4687fdd2aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a75349aa642013fdba99c22eccb7a13ea92c99b16eb2e105564f3cdb40737886
[INFO] running `Command { std: "docker" "start" "-a" "a75349aa642013fdba99c22eccb7a13ea92c99b16eb2e105564f3cdb40737886", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling slab v0.2.0
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling context v1.0.1
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling mioco v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> lib.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![allow(private_in_public)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sync/mpsc.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |             try!(self.sender.send(t));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sync/mpsc.rs:276:9
[INFO] [stdout]     |
[INFO] [stdout] 276 |         try!(self.sender.send(t));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/unix.rs:122:36
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let (raw_reader, raw_writer) = try!(mio_orig::unix::pipe());
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/thread.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | / /// Current coroutine thread-local reference
[INFO] [stdout] 20 | | ///
[INFO] [stdout] 21 | | /// This reference is used to store a reference to a currently executing
[INFO] [stdout] 22 | | /// mioco coroutine.
[INFO] [stdout] 23 | | ///
[INFO] [stdout] 24 | | /// Should not be used directly, use `tl_current_coroutine()` instead.
[INFO] [stdout]    | |_---------------------------------------------------------------------^
[INFO] [stdout]    |   |
[INFO] [stdout]    |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/coroutine.rs:166:29
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub blocked_on: Vec<Box<RcEventSourceTrait + 'static>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub blocked_on: Vec<Box<dyn RcEventSourceTrait + 'static>>,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/coroutine.rs:141:32
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub type UserDataAny = Arc<Box<Any + Send + Sync>>;
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub type UserDataAny = Arc<Box<dyn Any + Send + Sync>>;
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread.rs:215:20
[INFO] [stdout]     |
[INFO] [stdout] 215 |     scheduler: Box<SchedulerThread + 'static>,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 215 |     scheduler: Box<dyn SchedulerThread + 'static>,
[INFO] [stdout]     |                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |     PropagatePanic(Box<Any + Send + 'static>),
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 294 |     PropagatePanic(Box<dyn Any + Send + 'static>),
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thunk.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |     invoke: Box<Invoke<A, R> + Send + 'a>,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     invoke: Box<dyn Invoke<A, R> + Send + 'a>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:696:24
[INFO] [stdout]     |
[INFO] [stdout] 696 |     scheduler: Arc<Box<Scheduler>>,
[INFO] [stdout]     |                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 696 |     scheduler: Arc<Box<dyn Scheduler>>,
[INFO] [stdout]     |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:262:35
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn spawn_thread(&self) -> Box<SchedulerThread + 'static>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 262 |     fn spawn_thread(&self) -> Box<dyn SchedulerThread + 'static>;
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/evented.rs:459:35
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn to_trait(&self) -> Box<RcEventSourceTrait + 'static> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 459 |     pub fn to_trait(&self) -> Box<dyn RcEventSourceTrait + 'static> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:648:41
[INFO] [stdout]     |
[INFO] [stdout] 648 |                          scheduler: Box<SchedulerThread + 'static>,
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 648 |                          scheduler: Box<dyn SchedulerThread + 'static>,
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:345:35
[INFO] [stdout]     |
[INFO] [stdout] 345 |     fn spawn_thread(&self) -> Box<SchedulerThread> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 345 |     fn spawn_thread(&self) -> Box<dyn SchedulerThread> {
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread.rs:223:56
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn new(shared: RcHandlerShared, scheduler: Box<SchedulerThread>) -> Self {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 223 |     pub fn new(shared: RcHandlerShared, scheduler: Box<dyn SchedulerThread>) -> Self {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:735:52
[INFO] [stdout]     |
[INFO] [stdout] 735 |     pub fn set_scheduler(&mut self, scheduler: Box<Scheduler + 'static>) -> &mut Self {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 735 |     pub fn set_scheduler(&mut self, scheduler: Box<dyn Scheduler + 'static>) -> &mut Self {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:532:40
[INFO] [stdout]     |
[INFO] [stdout] 532 |             if (&***arcref.owner() as &Any).downcast_ref::<T>().is_some() {
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 532 |             if (&***arcref.owner() as &dyn Any).downcast_ref::<T>().is_some() {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:533:49
[INFO] [stdout]     |
[INFO] [stdout] 533 |                 Some(arcref.map(|ud| (&**ud as &Any).downcast_ref::<T>().unwrap())
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 533 |                 Some(arcref.map(|ud| (&**ud as &dyn Any).downcast_ref::<T>().unwrap())
[INFO] [stdout]     |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:971:36
[INFO] [stdout]     |
[INFO] [stdout] 971 |         if (&***arcref.owner() as &Any).downcast_ref::<T>().is_some() {
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 971 |         if (&***arcref.owner() as &dyn Any).downcast_ref::<T>().is_some() {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mod.rs:972:45
[INFO] [stdout]     |
[INFO] [stdout] 972 |             Some(arcref.map(|ud| (&**ud as &Any).downcast_ref::<T>().unwrap())
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 972 |             Some(arcref.map(|ud| (&**ud as &dyn Any).downcast_ref::<T>().unwrap())
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/evented.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |             let mut common = &mut shared.0.borrow_mut().common;
[INFO] [stdout]    |                 ----^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/coroutine.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |             let mut common = &mut event_source.common_mut();
[INFO] [stdout]     |                 ----^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mod.rs:984:9
[INFO] [stdout]     |
[INFO] [stdout] 984 |     let mut coroutine = unsafe { tl_current_coroutine() };
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mod.rs:995:9
[INFO] [stdout]     |
[INFO] [stdout] 995 |     let mut coroutine = unsafe { tl_current_coroutine() };
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `ReceiverCore<T>` in public interface
[INFO] [stdout]   --> src/sync/mpsc.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct ReceiverCore<T> {
[INFO] [stdout]    | ---------------------- `ReceiverCore<T>` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 35 |     type Raw = ReceiverCore<T>;
[INFO] [stdout]    |     ^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ReceiverCore<T>` is more private than the item `<src::sync::mpsc::Receiver<T> as EventedImpl>::shared`
[INFO] [stdout]   --> src/sync/mpsc.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn shared(&self) -> &RcEventSource<ReceiverCore<T>> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<src::sync::mpsc::Receiver<T> as EventedImpl>::shared` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `ReceiverCore<T>` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/sync/mpsc.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct ReceiverCore<T> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `TimerCore` in public interface
[INFO] [stdout]   --> src/timer.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct TimerCore {
[INFO] [stdout]    | ---------------- `TimerCore` declared as private
[INFO] [stdout] ...
[INFO] [stdout] 47 |     type Raw = TimerCore;
[INFO] [stdout]    |     ^^^^^^^^ can't leak private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TimerCore` is more private than the item `<Timer as EventedImpl>::shared`
[INFO] [stdout]   --> src/timer.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn shared(&self) -> &RcEventSource<TimerCore> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `<Timer as EventedImpl>::shared` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `TimerCore` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/timer.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct TimerCore {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mod.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn read(&self) -> ssync::LockResult<ssync::RwLockReadGuard<T>> {
[INFO] [stdout]    |                 ^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn read(&self) -> ssync::LockResult<ssync::RwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mod.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn read_in_mioco(&self) -> ssync::LockResult<ssync::RwLockReadGuard<T>> {
[INFO] [stdout]    |                      ^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn read_in_mioco(&self) -> ssync::LockResult<ssync::RwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mod.rs:63:21
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn try_read(&self) -> ssync::TryLockResult<ssync::RwLockReadGuard<T>> {
[INFO] [stdout]    |                     ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn try_read(&self) -> ssync::TryLockResult<ssync::RwLockReadGuard<'_, T>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mod.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn write(&self) -> ssync::LockResult<ssync::RwLockWriteGuard<T>> {
[INFO] [stdout]    |                  ^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn write(&self) -> ssync::LockResult<ssync::RwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mod.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write_in_mioco(&self) -> ssync::LockResult<ssync::RwLockWriteGuard<T>> {
[INFO] [stdout]    |                       ^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn write_in_mioco(&self) -> ssync::LockResult<ssync::RwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync/mod.rs:95:22
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn try_write(&self) -> ssync::TryLockResult<ssync::RwLockWriteGuard<T>> {
[INFO] [stdout]    |                      ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn try_write(&self) -> ssync::TryLockResult<ssync::RwLockWriteGuard<'_, T>> {
[INFO] [stdout]    |                                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/mod.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn lock(&self) -> ssync::LockResult<ssync::MutexGuard<T>> {
[INFO] [stdout]     |                 ^^^^^                       ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn lock(&self) -> ssync::LockResult<ssync::MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/mod.rs:146:22
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn lock_in_mioco(&self) -> ssync::LockResult<ssync::MutexGuard<T>> {
[INFO] [stdout]     |                      ^^^^^                       ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn lock_in_mioco(&self) -> ssync::LockResult<ssync::MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/sync/mod.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn try_lock(&self) -> ssync::TryLockResult<ssync::MutexGuard<T>> {
[INFO] [stdout]     |                     ^^^^^                          ^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn try_lock(&self) -> ssync::TryLockResult<ssync::MutexGuard<'_, T>> {
[INFO] [stdout]     |                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/evented.rs:368:19
[INFO] [stdout]     |
[INFO] [stdout] 368 |     pub fn io_ref(&self) -> Ref<T> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 368 |     pub fn io_ref(&self) -> Ref<'_, T> {
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/evented.rs:373:19
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn io_mut(&self) -> RefMut<T> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 373 |     pub fn io_mut(&self) -> RefMut<'_, T> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/evented.rs:379:23
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn common_ref(&self) -> Ref<EventSourceCommon> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 379 |     pub fn common_ref(&self) -> Ref<'_, EventSourceCommon> {
[INFO] [stdout]     |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/evented.rs:384:23
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn common_mut(&self) -> RefMut<EventSourceCommon> {
[INFO] [stdout]     |                       ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 384 |     pub fn common_mut(&self) -> RefMut<'_, EventSourceCommon> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/coroutine.rs:191:50
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let coroutine: &mut Coroutine = unsafe { mem::transmute(t.data) };
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 191 -         let coroutine: &mut Coroutine = unsafe { mem::transmute(t.data) };
[INFO] [stdout] 191 +         let coroutine: &mut Coroutine = unsafe { &mut *std::ptr::with_exposed_provenance_mut::<coroutine::Coroutine>(t.data) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/coroutine.rs:215:58
[INFO] [stdout]     |
[INFO] [stdout] 215 |                 let coroutine: &mut Coroutine = unsafe { mem::transmute(data) };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 215 -                 let coroutine: &mut Coroutine = unsafe { mem::transmute(data) };
[INFO] [stdout] 215 +                 let coroutine: &mut Coroutine = unsafe { &mut *std::ptr::with_exposed_provenance_mut::<coroutine::Coroutine>(data) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/coroutine.rs:226:58
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let coroutine: &mut Coroutine = unsafe { mem::transmute(data) };
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 226 -                 let coroutine: &mut Coroutine = unsafe { mem::transmute(data) };
[INFO] [stdout] 226 +                 let coroutine: &mut Coroutine = unsafe { &mut *std::ptr::with_exposed_provenance_mut::<coroutine::Coroutine>(data) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/coroutine.rs:359:27
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub fn handler_shared(&self) -> cell::Ref<HandlerShared> {
[INFO] [stdout]     |                           ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 359 |     pub fn handler_shared(&self) -> cell::Ref<'_, HandlerShared> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/coroutine.rs:363:31
[INFO] [stdout]     |
[INFO] [stdout] 363 |     pub fn handler_shared_mut(&self) -> cell::RefMut<HandlerShared> {
[INFO] [stdout]     |                               ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 363 |     pub fn handler_shared_mut(&self) -> cell::RefMut<'_, HandlerShared> {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/coroutine.rs:472:24
[INFO] [stdout]     |
[INFO] [stdout] 472 |     pub fn out_context(&self) -> RefMut<Option<context::Context>> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 472 |     pub fn out_context(&self) -> RefMut<'_, Option<context::Context>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mioco` (lib) due to 2 previous errors; 46 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a75349aa642013fdba99c22eccb7a13ea92c99b16eb2e105564f3cdb40737886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75349aa642013fdba99c22eccb7a13ea92c99b16eb2e105564f3cdb40737886", kill_on_drop: false }`
[INFO] [stdout] a75349aa642013fdba99c22eccb7a13ea92c99b16eb2e105564f3cdb40737886
