[INFO] fetching crate event 0.2.1...
[INFO] checking event-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate event 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate event 0.2.1
[INFO] finished tweaking crates.io crate event 0.2.1
[INFO] tweaked toml for crates.io crate event 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate event 0.2.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58df6a504a18c6058a38a8730a2477e7cea0ecc70cc46e2163e4c922135fbcf4
[INFO] running `Command { std: "docker" "start" "-a" "58df6a504a18c6058a38a8730a2477e7cea0ecc70cc46e2163e4c922135fbcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58df6a504a18c6058a38a8730a2477e7cea0ecc70cc46e2163e4c922135fbcf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58df6a504a18c6058a38a8730a2477e7cea0ecc70cc46e2163e4c922135fbcf4", kill_on_drop: false }`
[INFO] [stdout] 58df6a504a18c6058a38a8730a2477e7cea0ecc70cc46e2163e4c922135fbcf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6469c94ad564cbe00a4db9d5f218edcc972c806472b2680645e4ac63b58d042a
[INFO] running `Command { std: "docker" "start" "-a" "6469c94ad564cbe00a4db9d5f218edcc972c806472b2680645e4ac63b58d042a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking event v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = events.send(Registration::new(box handler));
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 35 -         let _ = events.send(Registration::new(box handler));
[INFO] [stdout] 35 +         let _ = events.send(Registration::new(Box::new(handler)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/registration.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Registration::Timeout(box move |:_| { callback() }, timeout)
[INFO] [stdout]    |                                         ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/registration.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Registration::Next(box move |:_| { callback() })
[INFO] [stdout]    |                                      ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::time::duration`
[INFO] [stdout]  --> src/lib.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::duration::Duration;
[INFO] [stdout]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::thunk`
[INFO] [stdout]  --> src/ioloop.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thunk::Invoke;
[INFO] [stdout]   |          ^^^^^ could not find `thunk` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::util`
[INFO] [stdout]  --> src/ioloop.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::util::Slab;
[INFO] [stdout]   |          ^^^^ could not find `util` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::EventLoop`, `mio::EventLoopSender`, `mio::IoDesc`
[INFO] [stdout]  --> src/ioloop.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mio::{EventLoop, EventLoopSender, Token, IoDesc, event};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^^^^^^^^^^         ^^^^^^ no `IoDesc` in the root
[INFO] [stdout]   |           |          |
[INFO] [stdout]   |           |          no `EventLoopSender` in the root
[INFO] [stdout]   |           no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::Handler`
[INFO] [stdout]  --> src/ioloop.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::Handler as MioHandler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Handler` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 5 - use mio::Handler as MioHandler;
[INFO] [stdout] 5 + use Handler as MioHandler;
[INFO] [stdout]   |
[INFO] [stdout] 5 - use mio::Handler as MioHandler;
[INFO] [stdout] 5 + use Registration::Handler as MioHandler;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::MioError`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mio::MioError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `MioError` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this variant instead
[INFO] [stdout]   |
[INFO] [stdout] 1 - use mio::MioError;
[INFO] [stdout] 1 + use EventError::MioError;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::error::FromError`
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::FromError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `FromError` in `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::IoDesc`, `mio::IoHandle`
[INFO] [stdout]  --> src/handler.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mio::{IoDesc, IoHandle, event};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^ no `IoHandle` in the root
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `IoDesc` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::thunk`
[INFO] [stdout]  --> src/registration.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thunk::Invoke;
[INFO] [stdout]   |          ^^^^^ could not find `thunk` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::time::duration`
[INFO] [stdout]  --> src/registration.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::duration::Duration;
[INFO] [stdout]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::IoDesc`, `mio::IoHandle`
[INFO] [stdout]  --> src/util.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mio::{IoDesc, IoHandle};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^ no `IoHandle` in the root
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `IoDesc` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/error.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Copy, Clone, Show, PartialEq)]
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/ioloop.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | const MAX_LISTENERS: uint = 64 * 1024;
[INFO] [stdout]    |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]   --> src/ioloop.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 hint: event::ReadHint) {
[INFO] [stdout]    |                              ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `READABLE` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:116:45
[INFO] [stdout]     |
[INFO] [stdout] 116 |         handler.interest().unwrap_or(event::READABLE),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LEVEL` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:117:40
[INFO] [stdout]     |
[INFO] [stdout] 117 |         handler.opt().unwrap_or(event::LEVEL)
[INFO] [stdout]     |                                        ^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `READABLE` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:125:45
[INFO] [stdout]     |
[INFO] [stdout] 125 |         handler.interest().unwrap_or(event::READABLE),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LEVEL` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout] 126 |         handler.opt().unwrap_or(event::LEVEL)
[INFO] [stdout]     |                                        ^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]  --> src/handler.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn readable(&mut self, hint: event::ReadHint) -> bool;
[INFO] [stdout]   |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interest` in module `event`
[INFO] [stdout]  --> src/handler.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn interest(&self) -> Option<event::Interest> { None }
[INFO] [stdout]   |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 + use mio::Interest;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Interest`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 8 -     fn interest(&self) -> Option<event::Interest> { None }
[INFO] [stdout] 8 +     fn interest(&self) -> Option<Interest> { None }
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PollOpt` in module `event`
[INFO] [stdout]  --> src/handler.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn opt(&self) -> Option<event::PollOpt> { None }
[INFO] [stdout]   |                                    ^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interest` in module `event`
[INFO] [stdout]   --> src/handler.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub interest: Option<event::Interest>,
[INFO] [stdout]    |                                 ^^^^^^^^ not found in `event`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use mio::Interest;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Interest`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub interest: Option<event::Interest>,
[INFO] [stdout] 16 +     pub interest: Option<Interest>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PollOpt` in module `event`
[INFO] [stdout]   --> src/handler.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub opt: Option<event::PollOpt>
[INFO] [stdout]    |                            ^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]   --> src/handler.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |       R: Send + FnMut(&mut I, event::ReadHint) -> bool,
[INFO] [stdout]    |                                      ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]   --> src/handler.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn readable(&mut self, hint: event::ReadHint) -> bool {
[INFO] [stdout]    |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interest` in module `event`
[INFO] [stdout]   --> src/handler.rs:36:41
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn interest(&self) -> Option<event::Interest> {
[INFO] [stdout]    |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use mio::Interest;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Interest`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 36 -     fn interest(&self) -> Option<event::Interest> {
[INFO] [stdout] 36 +     fn interest(&self) -> Option<Interest> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PollOpt` in module `event`
[INFO] [stdout]   --> src/handler.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn opt(&self) -> Option<event::PollOpt> {
[INFO] [stdout]    |                                    ^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         extern "rust-call" fn call_once(mut self, _: ()) {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]    = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules, unboxed_closures)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/registration.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Handler(Box<Handler>),
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Handler(Box<dyn Handler>),
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/registration.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Timeout(Box<Invoke + 'static>, Duration),
[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] 7 |     Timeout(Box<dyn Invoke + 'static>, Duration),
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioloop.rs:112:54
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn register(events: &mut MioEventLoop, handler: &mut Handler, token: Token) {
[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] 112 | fn register(events: &mut MioEventLoop, handler: &mut dyn Handler, token: Token) {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioloop.rs:121:56
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn reregister(events: &mut MioEventLoop, handler: &mut Handler, token: Token) {
[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] 121 | fn reregister(events: &mut MioEventLoop, handler: &mut dyn Handler, token: Token) {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0229]: associated item constraints are not allowed here
[INFO] [stdout]   --> src/lib.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                               ^^^^^^^^ associated item constraint not allowed here
[INFO] [stdout]    |
[INFO] [stdout] help: parenthesized trait syntax expands to `FnOnce<(), Output=()>`
[INFO] [stdout]   --> src/lib.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                       ^^^^-- help: remove the unnecessary parenthetical generics
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Output` not found for `Send`
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                       ^^^^^^ associated type `Output` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0220, E0229, E0412, E0425, E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event` (lib) due to 34 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/lib.rs:35:47
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let _ = events.send(Registration::new(box handler));
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 35 -         let _ = events.send(Registration::new(box handler));
[INFO] [stdout] 35 +         let _ = events.send(Registration::new(Box::new(handler)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/registration.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |         Registration::Timeout(box move |:_| { callback() }, timeout)
[INFO] [stdout]    |                                         ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]   --> src/registration.rs:27:38
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Registration::Next(box move |:_| { callback() })
[INFO] [stdout]    |                                      ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::time::duration`
[INFO] [stdout]  --> src/lib.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::time::duration::Duration;
[INFO] [stdout]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::thunk`
[INFO] [stdout]  --> src/ioloop.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thunk::Invoke;
[INFO] [stdout]   |          ^^^^^ could not find `thunk` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::util`
[INFO] [stdout]  --> src/ioloop.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mio::util::Slab;
[INFO] [stdout]   |          ^^^^ could not find `util` in `mio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::EventLoop`, `mio::EventLoopSender`, `mio::IoDesc`
[INFO] [stdout]  --> src/ioloop.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mio::{EventLoop, EventLoopSender, Token, IoDesc, event};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^^^^^^^^^^         ^^^^^^ no `IoDesc` in the root
[INFO] [stdout]   |           |          |
[INFO] [stdout]   |           |          no `EventLoopSender` in the root
[INFO] [stdout]   |           no `EventLoop` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::Handler`
[INFO] [stdout]  --> src/ioloop.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mio::Handler as MioHandler;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `Handler` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items instead
[INFO] [stdout]   |
[INFO] [stdout] 5 - use mio::Handler as MioHandler;
[INFO] [stdout] 5 + use Handler as MioHandler;
[INFO] [stdout]   |
[INFO] [stdout] 5 - use mio::Handler as MioHandler;
[INFO] [stdout] 5 + use Registration::Handler as MioHandler;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mio::MioError`
[INFO] [stdout]  --> src/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mio::MioError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `MioError` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this variant instead
[INFO] [stdout]   |
[INFO] [stdout] 1 - use mio::MioError;
[INFO] [stdout] 1 + use EventError::MioError;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::error::FromError`
[INFO] [stdout]  --> src/error.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::FromError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^ no `FromError` in `error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::IoDesc`, `mio::IoHandle`
[INFO] [stdout]  --> src/handler.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mio::{IoDesc, IoHandle, event};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^ no `IoHandle` in the root
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `IoDesc` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::thunk`
[INFO] [stdout]  --> src/registration.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thunk::Invoke;
[INFO] [stdout]   |          ^^^^^ could not find `thunk` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::time::duration`
[INFO] [stdout]  --> src/registration.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::duration::Duration;
[INFO] [stdout]   |                ^^^^^^^^ could not find `duration` in `time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `mio::IoDesc`, `mio::IoHandle`
[INFO] [stdout]  --> src/util.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use mio::{IoDesc, IoHandle};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^ no `IoHandle` in the root
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `IoDesc` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Show` in this scope
[INFO] [stdout]  --> src/error.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Copy, Clone, Show, PartialEq)]
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/ioloop.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 | const MAX_LISTENERS: uint = 64 * 1024;
[INFO] [stdout]    |                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]   --> src/ioloop.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 hint: event::ReadHint) {
[INFO] [stdout]    |                              ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `READABLE` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:116:45
[INFO] [stdout]     |
[INFO] [stdout] 116 |         handler.interest().unwrap_or(event::READABLE),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LEVEL` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:117:40
[INFO] [stdout]     |
[INFO] [stdout] 117 |         handler.opt().unwrap_or(event::LEVEL)
[INFO] [stdout]     |                                        ^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `READABLE` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:125:45
[INFO] [stdout]     |
[INFO] [stdout] 125 |         handler.interest().unwrap_or(event::READABLE),
[INFO] [stdout]     |                                             ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `LEVEL` in module `event`
[INFO] [stdout]    --> src/ioloop.rs:126:40
[INFO] [stdout]     |
[INFO] [stdout] 126 |         handler.opt().unwrap_or(event::LEVEL)
[INFO] [stdout]     |                                        ^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]  --> src/handler.rs:4:41
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn readable(&mut self, hint: event::ReadHint) -> bool;
[INFO] [stdout]   |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interest` in module `event`
[INFO] [stdout]  --> src/handler.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn interest(&self) -> Option<event::Interest> { None }
[INFO] [stdout]   |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 1 + use mio::Interest;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Interest`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 8 -     fn interest(&self) -> Option<event::Interest> { None }
[INFO] [stdout] 8 +     fn interest(&self) -> Option<Interest> { None }
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PollOpt` in module `event`
[INFO] [stdout]  --> src/handler.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn opt(&self) -> Option<event::PollOpt> { None }
[INFO] [stdout]   |                                    ^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interest` in module `event`
[INFO] [stdout]   --> src/handler.rs:16:33
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub interest: Option<event::Interest>,
[INFO] [stdout]    |                                 ^^^^^^^^ not found in `event`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use mio::Interest;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Interest`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 16 -     pub interest: Option<event::Interest>,
[INFO] [stdout] 16 +     pub interest: Option<Interest>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PollOpt` in module `event`
[INFO] [stdout]   --> src/handler.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub opt: Option<event::PollOpt>
[INFO] [stdout]    |                            ^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]   --> src/handler.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |       R: Send + FnMut(&mut I, event::ReadHint) -> bool,
[INFO] [stdout]    |                                      ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ReadHint` in module `event`
[INFO] [stdout]   --> src/handler.rs:24:41
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn readable(&mut self, hint: event::ReadHint) -> bool {
[INFO] [stdout]    |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Interest` in module `event`
[INFO] [stdout]   --> src/handler.rs:36:41
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn interest(&self) -> Option<event::Interest> {
[INFO] [stdout]    |                                         ^^^^^^^^ not found in `event`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use mio::Interest;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `Interest`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 36 -     fn interest(&self) -> Option<event::Interest> {
[INFO] [stdout] 36 +     fn interest(&self) -> Option<Interest> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PollOpt` in module `event`
[INFO] [stdout]   --> src/handler.rs:40:36
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn opt(&self) -> Option<event::PollOpt> {
[INFO] [stdout]    |                                    ^^^^^^^ not found in `event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `fn_traits`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         extern "rust-call" fn call_once(mut self, _: ()) {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
[INFO] [stdout]    = help: add `#![feature(fn_traits)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-08-13; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `macro_rules` has been stable since 1.0.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(macro_rules, unboxed_closures)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/registration.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Handler(Box<Handler>),
[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)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Handler(Box<dyn Handler>),
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/registration.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Timeout(Box<Invoke + 'static>, Duration),
[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] 7 |     Timeout(Box<dyn Invoke + 'static>, Duration),
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioloop.rs:112:54
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn register(events: &mut MioEventLoop, handler: &mut Handler, token: Token) {
[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] 112 | fn register(events: &mut MioEventLoop, handler: &mut dyn Handler, token: Token) {
[INFO] [stdout]     |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ioloop.rs:121:56
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn reregister(events: &mut MioEventLoop, handler: &mut Handler, token: Token) {
[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] 121 | fn reregister(events: &mut MioEventLoop, handler: &mut dyn Handler, token: Token) {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0229]: associated item constraints are not allowed here
[INFO] [stdout]   --> src/lib.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                               ^^^^^^^^ associated item constraint not allowed here
[INFO] [stdout]    |
[INFO] [stdout] help: parenthesized trait syntax expands to `FnOnce<(), Output=()>`
[INFO] [stdout]   --> src/lib.rs:61:31
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                       ^^^^-- help: remove the unnecessary parenthetical generics
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       expected 0 generic arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Output` not found for `Send`
[INFO] [stdout]   --> src/lib.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     impl<F: FnMut() + Send()> FnOnce() for Interval<F> {
[INFO] [stdout]    |                       ^^^^^^ associated type `Output` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0220, E0229, E0412, E0425, E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `event` (lib test) due to 34 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6469c94ad564cbe00a4db9d5f218edcc972c806472b2680645e4ac63b58d042a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6469c94ad564cbe00a4db9d5f218edcc972c806472b2680645e4ac63b58d042a", kill_on_drop: false }`
[INFO] [stdout] 6469c94ad564cbe00a4db9d5f218edcc972c806472b2680645e4ac63b58d042a