[INFO] fetching crate eventd 0.3.2...
[INFO] testing eventd-0.3.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate eventd 0.3.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate eventd 0.3.2
[INFO] finished tweaking crates.io crate eventd 0.3.2
[INFO] tweaked toml for crates.io crate eventd 0.3.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eventd 0.3.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83a359a92732cb07718111f5877f1e5a87890aa6b1e298c024910d8b7f0e0d23
[INFO] running `Command { std: "docker" "start" "-a" "83a359a92732cb07718111f5877f1e5a87890aa6b1e298c024910d8b7f0e0d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a359a92732cb07718111f5877f1e5a87890aa6b1e298c024910d8b7f0e0d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a359a92732cb07718111f5877f1e5a87890aa6b1e298c024910d8b7f0e0d23", kill_on_drop: false }`
[INFO] [stdout] 83a359a92732cb07718111f5877f1e5a87890aa6b1e298c024910d8b7f0e0d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 745f3ba96a4bd766a2695900d199a7939a962b0a1d853f99b8f6922cb70a7148
[INFO] running `Command { std: "docker" "start" "-a" "745f3ba96a4bd766a2695900d199a7939a962b0a1d853f99b8f6922cb70a7148", kill_on_drop: false }`
[INFO] [stderr]    Compiling eventd v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:125:40
[INFO] [stdout]     |
[INFO] [stdout] 125 |               handlers: $crate::Slab<Box<$fn($($arg_ty),*) $( + $bound)*>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | /     event!(
[INFO] [stdout] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stdout] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stdout] 193 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: this warning originates in the macro `__event_impl` which comes from the expansion of the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Fn` trait object that must be used
[INFO] [stdout]    --> src/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | /     event!(
[INFO] [stdout] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stdout] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stdout] 193 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "745f3ba96a4bd766a2695900d199a7939a962b0a1d853f99b8f6922cb70a7148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "745f3ba96a4bd766a2695900d199a7939a962b0a1d853f99b8f6922cb70a7148", kill_on_drop: false }`
[INFO] [stdout] 745f3ba96a4bd766a2695900d199a7939a962b0a1d853f99b8f6922cb70a7148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18a3faac9df7402eabe33e9e456a345a52a79b9927b24b53e178968ff345052d
[INFO] running `Command { std: "docker" "start" "-a" "18a3faac9df7402eabe33e9e456a345a52a79b9927b24b53e178968ff345052d", kill_on_drop: false }`
[INFO] [stderr]    Compiling eventd v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:125:40
[INFO] [stdout]     |
[INFO] [stdout] 125 |               handlers: $crate::Slab<Box<$fn($($arg_ty),*) $( + $bound)*>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | /     event!(
[INFO] [stdout] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stdout] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stdout] 193 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: this warning originates in the macro `__event_impl` which comes from the expansion of the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Fn` trait object that must be used
[INFO] [stdout]    --> src/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | /     event!(
[INFO] [stdout] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stdout] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stdout] 193 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:198:9
[INFO] [stdout]     |
[INFO] [stdout] 198 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (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/lib.rs:125:40
[INFO] [stdout]     |
[INFO] [stdout] 125 |               handlers: $crate::Slab<Box<$fn($($arg_ty),*) $( + $bound)*>>,
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 | /     event!(
[INFO] [stdout] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stdout] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stdout] 193 | |     );
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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]     = note: this warning originates in the macro `__event_impl` which comes from the expansion of the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 |             $name$(< $lt >)? => FnMut,
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |         event!(MyEvent<'a> => FnMut(x: u8, borrowed: &str) + 'a);
[INFO] [stdout]     |         -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: this warning originates in the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:33
[INFO] [stdout]     |
[INFO] [stdout] 104 |             $name$(< $lt >)? => FnMut,
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 229 |         event!(MyEvent<'a> => FnMut() + 'a);
[INFO] [stdout]     |         ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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: this warning originates in the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `Fn` trait object that must be used
[INFO] [stdout]    --> src/lib.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | /     event!(
[INFO] [stdout] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stdout] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stdout] 193 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> src/lib.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |         event!(MyEvent<'a> => FnMut(x: u8, borrowed: &str) + 'a);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stdout]    --> src/lib.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         event!(MyEvent<'a> => FnMut() + 'a);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: closures are lazy and do nothing unless called
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "18a3faac9df7402eabe33e9e456a345a52a79b9927b24b53e178968ff345052d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a3faac9df7402eabe33e9e456a345a52a79b9927b24b53e178968ff345052d", kill_on_drop: false }`
[INFO] [stdout] 18a3faac9df7402eabe33e9e456a345a52a79b9927b24b53e178968ff345052d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9fcb7d059f5448cf4e282b3fd3c83f4f1e9d5c8e609affbe44a4fd17aa04d7b
[INFO] running `Command { std: "docker" "start" "-a" "f9fcb7d059f5448cf4e282b3fd3c83f4f1e9d5c8e609affbe44a4fd17aa04d7b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_event ... ok
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:40
[INFO] [stderr]     |
[INFO] [stderr] 125 |               handlers: $crate::Slab<Box<$fn($($arg_ty),*) $( + $bound)*>>,
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 190 | /     event!(
[INFO] [stderr] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stderr] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stderr] 193 | |     );
[INFO] [stderr]     | |_____- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `__event_impl` which comes from the expansion of the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `Fn` trait object that must be used
[INFO] [stderr]    --> src/lib.rs:190:5
[INFO] [stderr]     |
[INFO] [stderr] 190 | /     event!(
[INFO] [stderr] 191 | |         /// Sample event generated using `event!` macro.
[INFO] [stderr] 192 | |         ExampleEvent<'a> => Fn(x: u32, y: &str) + Sync + 'a
[INFO] [stderr] 193 | |     );
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `eventd` (lib) generated 2 warnings
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:104:33
[INFO] [stderr]     |
[INFO] [stderr] 104 |             $name$(< $lt >)? => FnMut,
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 202 |         event!(MyEvent<'a> => FnMut(x: u8, borrowed: &str) + 'a);
[INFO] [stderr]     |         -------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:104:33
[INFO] [stderr]     |
[INFO] [stderr] 104 |             $name$(< $lt >)? => FnMut,
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 229 |         event!(MyEvent<'a> => FnMut() + 'a);
[INFO] [stderr]     |         ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: this warning originates in the macro `event` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stderr]    --> src/lib.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         event!(MyEvent<'a> => FnMut(x: u8, borrowed: &str) + 'a);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: unused boxed `FnMut` trait object that must be used
[INFO] [stderr]    --> src/lib.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         event!(MyEvent<'a> => FnMut() + 'a);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: closures are lazy and do nothing unless called
[INFO] [stderr] 
[INFO] [stderr] warning: `eventd` (lib test) generated 7 warnings (2 duplicates) (run `cargo fix --lib -p eventd --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eventd-085d96cb444f963e)
[INFO] [stdout] test tests::test_unsubscribe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eventd
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ignored
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - example (line 182) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9fcb7d059f5448cf4e282b3fd3c83f4f1e9d5c8e609affbe44a4fd17aa04d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fcb7d059f5448cf4e282b3fd3c83f4f1e9d5c8e609affbe44a4fd17aa04d7b", kill_on_drop: false }`
[INFO] [stdout] f9fcb7d059f5448cf4e282b3fd3c83f4f1e9d5c8e609affbe44a4fd17aa04d7b
