[INFO] fetching crate serial-core 0.4.0...
[INFO] testing serial-core-0.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate serial-core 0.4.0 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate serial-core 0.4.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serial-core 0.4.0
[INFO] finished tweaking crates.io crate serial-core 0.4.0
[INFO] tweaked toml for crates.io crate serial-core 0.4.0 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 432aa580d5c74678f2d288cc0a7b6fd1ff130c61f789177bba5d0bb263d2aaf5
[INFO] running `Command { std: "docker" "start" "-a" "432aa580d5c74678f2d288cc0a7b6fd1ff130c61f789177bba5d0bb263d2aaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "432aa580d5c74678f2d288cc0a7b6fd1ff130c61f789177bba5d0bb263d2aaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432aa580d5c74678f2d288cc0a7b6fd1ff130c61f789177bba5d0bb263d2aaf5", kill_on_drop: false }`
[INFO] [stdout] 432aa580d5c74678f2d288cc0a7b6fd1ff130c61f789177bba5d0bb263d2aaf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad03506305d37cc6fe6d3e6b8350b0f4f05cfcb18284f593a8bf3c7a744fe49
[INFO] running `Command { std: "docker" "start" "-a" "0ad03506305d37cc6fe6d3e6b8350b0f4f05cfcb18284f593a8bf3c7a744fe49", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[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/lib.rs:588:35
[INFO] [stdout]     |
[INFO] [stdout] 588 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 601 |         try!(setup(&mut device_settings));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:600:35
[INFO] [stdout]     |
[INFO] [stdout] 600 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:495:39
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout] 495 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:495:47
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[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] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout] 495 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[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] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout] 599 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:599:47
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[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] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout] 599 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "0ad03506305d37cc6fe6d3e6b8350b0f4f05cfcb18284f593a8bf3c7a744fe49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad03506305d37cc6fe6d3e6b8350b0f4f05cfcb18284f593a8bf3c7a744fe49", kill_on_drop: false }`
[INFO] [stdout] 0ad03506305d37cc6fe6d3e6b8350b0f4f05cfcb18284f593a8bf3c7a744fe49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcda4cfb8c76471885ac0a886b647c1a83920c724d6941f6bbeb6c380884017b
[INFO] running `Command { std: "docker" "start" "-a" "dcda4cfb8c76471885ac0a886b647c1a83920c724d6941f6bbeb6c380884017b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[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/lib.rs:588:35
[INFO] [stdout]     |
[INFO] [stdout] 588 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 601 |         try!(setup(&mut device_settings));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:600:35
[INFO] [stdout]     |
[INFO] [stdout] 600 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:495:39
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout] 495 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:495:47
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[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] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout] 495 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[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] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout] 599 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:599:47
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[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] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout] 599 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:590:9
[INFO] [stdout]     |
[INFO] [stdout] 590 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[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/lib.rs:588:35
[INFO] [stdout]     |
[INFO] [stdout] 588 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 601 |         try!(setup(&mut device_settings));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:600:35
[INFO] [stdout]     |
[INFO] [stdout] 600 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:495:39
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout] 495 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:495:47
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[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] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout] 495 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:599:39
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[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] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout] 599 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:599:47
[INFO] [stdout]     |
[INFO] [stdout] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[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] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout] 599 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "dcda4cfb8c76471885ac0a886b647c1a83920c724d6941f6bbeb6c380884017b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcda4cfb8c76471885ac0a886b647c1a83920c724d6941f6bbeb6c380884017b", kill_on_drop: false }`
[INFO] [stdout] dcda4cfb8c76471885ac0a886b647c1a83920c724d6941f6bbeb6c380884017b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16693bf2fc7716305ab95abfa9375cfb092bc5e8d1e09172b75f274e324f1bbc
[INFO] running `Command { std: "docker" "start" "-a" "16693bf2fc7716305ab95abfa9375cfb092bc5e8d1e09172b75f274e324f1bbc", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:590:9
[INFO] [stderr]     |
[INFO] [stderr] 590 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:588:35
[INFO] [stderr]     |
[INFO] [stderr] 588 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:601:9
[INFO] [stderr]     |
[INFO] [stderr] 601 |         try!(setup(&mut device_settings));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:600:35
[INFO] [stderr]     |
[INFO] [stderr] 600 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:495:39
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr] 495 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:495:47
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 495 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr] 495 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:599:39
[INFO] [stderr]     |
[INFO] [stderr] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr] 599 +     fn reconfigure(&mut self, setup: &dyn Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:599:47
[INFO] [stderr]     |
[INFO] [stderr] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 599 -     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr] 599 +     fn reconfigure(&mut self, setup: &Fn(&mut dyn SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `serial-core` (lib) generated 8 warnings
[INFO] [stderr] warning: `serial-core` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serial_core-ca6a8773fcbda109)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::port_settings_manipulates_baud_rate ... ok
[INFO] [stdout] test tests::port_settings_manipulates_char_size ... ok
[INFO] [stdout] test tests::port_settings_manipulates_flow_control ... ok
[INFO] [stdout] test tests::port_settings_manipulates_parity ... ok
[INFO] [stdout] test tests::port_settings_manipulates_stop_bits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial-core
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - prelude (line 16) - compile ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::BaudOther (line 148) - compile ... ok
[INFO] [stdout] test src/lib.rs - SerialPort::reconfigure (line 479) - compile ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::from_speed (line 164) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::speed (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16693bf2fc7716305ab95abfa9375cfb092bc5e8d1e09172b75f274e324f1bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16693bf2fc7716305ab95abfa9375cfb092bc5e8d1e09172b75f274e324f1bbc", kill_on_drop: false }`
[INFO] [stdout] 16693bf2fc7716305ab95abfa9375cfb092bc5e8d1e09172b75f274e324f1bbc