[INFO] fetching crate tick 0.0.1...
[INFO] checking tick-0.0.1 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate tick 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tick 0.0.1 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tick 0.0.1
[INFO] finished tweaking crates.io crate tick 0.0.1
[INFO] tweaked toml for crates.io crate tick 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd4370d421a4048bc97bbcb02760456ef9f9f95d7b388163a7b8fcedbb25ead0
[INFO] running `Command { std: "docker" "start" "-a" "cd4370d421a4048bc97bbcb02760456ef9f9f95d7b388163a7b8fcedbb25ead0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4370d421a4048bc97bbcb02760456ef9f9f95d7b388163a7b8fcedbb25ead0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4370d421a4048bc97bbcb02760456ef9f9f95d7b388163a7b8fcedbb25ead0", kill_on_drop: false }`
[INFO] [stdout] cd4370d421a4048bc97bbcb02760456ef9f9f95d7b388163a7b8fcedbb25ead0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d1881b2038e1766a23db57380f80ec711a0f18bfa72071a5114ab52d1263c1e
[INFO] running `Command { std: "docker" "start" "-a" "4d1881b2038e1766a23db57380f80ec711a0f18bfa72071a5114ab52d1263c1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking tick v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/handler.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let token = try!(self.transports.insert(Evented::Listener(lis))
[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/handler.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 try!(event_loop.register(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/handler.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(event_loop.register(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn create(&mut self, ::Transfer, ::Id) -> (Self::Protocol, Interest);
[INFO] [stdout]    |                          ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ::Transfer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:77:38
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn create(&mut self, ::Transfer, ::Id) -> (Self::Protocol, Interest);
[INFO] [stdout]    |                                      ^^^^ help: try naming the parameter or explicitly ignoring it: `_: ::Id`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tick.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try!(self.event_loop.run_once(&mut self.handler, None));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Timeout(Box<FnMut() + Send + 'static>, u64),
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Timeout(Box<dyn FnMut() + Send + 'static>, u64),
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/handler.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Thunk = Box<FnMut() + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Thunk = Box<dyn FnMut() + Send + 'static>;
[INFO] [stdout]   |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Message` in public interface (error E0446)
[INFO] [stdout]  --> src/handler.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Message_ = Message;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]   = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]    --> src/handler.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     type Message = Message_;
[INFO] [stdout]     |     ^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout] 51  | enum Message {
[INFO] [stdout]     | ------------ `Message` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Message` in public interface (error E0446)
[INFO] [stdout]    --> src/handler.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Message) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Action` in public interface (error E0446)
[INFO] [stdout]  --> src/protocol.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Action_ = Action;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Message` in public interface (error E0446)
[INFO] [stdout]  --> src/transfer.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Message_ = Message;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Message` in public interface (error E0446)
[INFO] [stdout]   --> src/transfer.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn new(token: mio::Token, notify: mio::Sender<Message_>) -> Transfer {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/handler.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 | /                         event_loop.reregister(
[INFO] [stdout] 83 | |                             stream.transport(),
[INFO] [stdout] 84 | |                             token,
[INFO] [stdout] 85 | |                             events,
[INFO] [stdout] 86 | |                             PollOpt::level() | PollOpt::oneshot()
[INFO] [stdout] 87 | |                         );
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let _ = event_loop.reregister(
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/handler.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 event_loop.timeout_ms(cb, when);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 let _ = event_loop.timeout_ms(cb, when);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tick.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         self.sender.send(Message::Timeout(Box::new(move || {
[INFO] [stdout] 77 | |             env.take().map(|f| f());
[INFO] [stdout] 78 | |         }), ms));
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let _ = self.sender.send(Message::Timeout(Box::new(move || {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/transfer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         self.notify.send(Message::Interest(self.token, interest));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = self.notify.send(Message::Interest(self.token, interest));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/handler.rs:29:21
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let token = try!(self.transports.insert(Evented::Listener(lis))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/handler.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 try!(event_loop.register(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/handler.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 try!(event_loop.register(
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn create(&mut self, ::Transfer, ::Id) -> (Self::Protocol, Interest);
[INFO] [stdout]    |                          ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: ::Transfer`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[deny(anonymous_parameters)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/protocol.rs:77:38
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn create(&mut self, ::Transfer, ::Id) -> (Self::Protocol, Interest);
[INFO] [stdout]    |                                      ^^^^ help: try naming the parameter or explicitly ignoring it: `_: ::Id`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tick.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try!(self.event_loop.run_once(&mut self.handler, None));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:53:17
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Timeout(Box<FnMut() + Send + 'static>, u64),
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Timeout(Box<dyn FnMut() + Send + 'static>, u64),
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tick` (lib) due to 2 previous errors; 17 warnings emitted
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/handler.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Thunk = Box<FnMut() + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Thunk = Box<dyn FnMut() + Send + 'static>;
[INFO] [stdout]   |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: private type `Message` in public interface (error E0446)
[INFO] [stdout]  --> src/handler.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Message_ = Message;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout]   = note: `#[deny(private_in_public)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0446]: private type `Message` in public interface
[INFO] [stdout]    --> src/handler.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     type Message = Message_;
[INFO] [stdout]     |     ^^^^^^^^^^^^ can't leak private type
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:51:1
[INFO] [stdout]     |
[INFO] [stdout] 51  | enum Message {
[INFO] [stdout]     | ------------ `Message` declared as private
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: private type `Message` in public interface (error E0446)
[INFO] [stdout]    --> src/handler.rs:159:5
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn notify(&mut self, event_loop: &mut EventLoop<Self>, msg: Message) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: private type `Action` in public interface (error E0446)
[INFO] [stdout]  --> src/protocol.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Action_ = Action;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: private type `Message` in public interface (error E0446)
[INFO] [stdout]  --> src/transfer.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Message_ = Message;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: private type `Message` in public interface (error E0446)
[INFO] [stdout]   --> src/transfer.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn new(token: mio::Token, notify: mio::Sender<Message_>) -> Transfer {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/handler.rs:82:25
[INFO] [stdout]    |
[INFO] [stdout] 82 | /                         event_loop.reregister(
[INFO] [stdout] 83 | |                             stream.transport(),
[INFO] [stdout] 84 | |                             token,
[INFO] [stdout] 85 | |                             events,
[INFO] [stdout] 86 | |                             PollOpt::level() | PollOpt::oneshot()
[INFO] [stdout] 87 | |                         );
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 82 |                         let _ = event_loop.reregister(
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/handler.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 event_loop.timeout_ms(cb, when);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 let _ = event_loop.timeout_ms(cb, when);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/tick.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         self.sender.send(Message::Timeout(Box::new(move || {
[INFO] [stdout] 77 | |             env.take().map(|f| f());
[INFO] [stdout] 78 | |         }), ms));
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let _ = self.sender.send(Message::Timeout(Box::new(move || {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/transfer.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         self.notify.send(Message::Interest(self.token, interest));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = self.notify.send(Message::Interest(self.token, interest));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tick` (lib test) due to 19 previous errors
[INFO] running `Command { std: "docker" "inspect" "4d1881b2038e1766a23db57380f80ec711a0f18bfa72071a5114ab52d1263c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1881b2038e1766a23db57380f80ec711a0f18bfa72071a5114ab52d1263c1e", kill_on_drop: false }`
[INFO] [stdout] 4d1881b2038e1766a23db57380f80ec711a0f18bfa72071a5114ab52d1263c1e
