[INFO] fetching crate dmx-serial 0.4.0...
[INFO] testing dmx-serial-0.4.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate dmx-serial 0.4.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate dmx-serial 0.4.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dmx-serial 0.4.0
[INFO] finished tweaking crates.io crate dmx-serial 0.4.0
[INFO] tweaked toml for crates.io crate dmx-serial 0.4.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dmx-termios v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdfb7d3ebd81f0be3bd3709313c8932a7af763feb6f04f24ad093802d77d33bf
[INFO] running `Command { std: "docker" "start" "-a" "bdfb7d3ebd81f0be3bd3709313c8932a7af763feb6f04f24ad093802d77d33bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdfb7d3ebd81f0be3bd3709313c8932a7af763feb6f04f24ad093802d77d33bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfb7d3ebd81f0be3bd3709313c8932a7af763feb6f04f24ad093802d77d33bf", kill_on_drop: false }`
[INFO] [stdout] bdfb7d3ebd81f0be3bd3709313c8932a7af763feb6f04f24ad093802d77d33bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f490020e38bfba6d44099150796186b6fc14ac1434b08add8ef86d782f1ebb8
[INFO] running `Command { std: "docker" "start" "-a" "3f490020e38bfba6d44099150796186b6fc14ac1434b08add8ef86d782f1ebb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling dmx-termios v0.3.0
[INFO] [stderr]    Compiling dmx-serial v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/posix/tty.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(port.write_settings(&settings));
[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/posix/tty.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let settings = try!(port.read_settings());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/posix/tty.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/posix/tty.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut SerialPortSettings) -> ::Result<()>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:562:48
[INFO] [stdout]     |
[INFO] [stdout] 562 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:653:35
[INFO] [stdout]     |
[INFO] [stdout] 653 |         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:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |         try!(setup(&mut device_settings));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:664:39
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut SerialPortSettings) -> ::Result<()>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:664:48
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:665:35
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/posix/error.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let description = io_error.description().to_string();
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "3f490020e38bfba6d44099150796186b6fc14ac1434b08add8ef86d782f1ebb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f490020e38bfba6d44099150796186b6fc14ac1434b08add8ef86d782f1ebb8", kill_on_drop: false }`
[INFO] [stdout] 3f490020e38bfba6d44099150796186b6fc14ac1434b08add8ef86d782f1ebb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a6eaaf8a58e761c3154f4574140a78e0b143b4f1ceecc34793e340bc0d90492
[INFO] running `Command { std: "docker" "start" "-a" "7a6eaaf8a58e761c3154f4574140a78e0b143b4f1ceecc34793e340bc0d90492", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmx-serial v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/posix/tty.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(port.write_settings(&settings));
[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/posix/tty.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let settings = try!(port.read_settings());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/posix/tty.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/posix/tty.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut SerialPortSettings) -> ::Result<()>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:562:48
[INFO] [stdout]     |
[INFO] [stdout] 562 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:653:35
[INFO] [stdout]     |
[INFO] [stdout] 653 |         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:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |         try!(setup(&mut device_settings));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:664:39
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut SerialPortSettings) -> ::Result<()>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:664:48
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:665:35
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/posix/error.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let description = io_error.description().to_string();
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dmx-serial` due to 2 previous errors
[INFO] [stdout] error[E0463]: can't find crate for `serial`
[INFO] [stdout]  --> examples/probe_pins.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate serial;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serial`
[INFO] [stdout]  --> examples/read_write.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate serial;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serial`
[INFO] [stdout]  --> examples/open_port.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate serial;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/posix/tty.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         try!(port.write_settings(&settings));
[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/posix/tty.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let settings = try!(port.read_settings());
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/posix/tty.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(super::poll::wait_read_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/posix/tty.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         try!(super::poll::wait_write_fd(self.fd, self.timeout));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:562:39
[INFO] [stdout]     |
[INFO] [stdout] 562 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut SerialPortSettings) -> ::Result<()>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:562:48
[INFO] [stdout]     |
[INFO] [stdout] 562 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:655:9
[INFO] [stdout]     |
[INFO] [stdout] 655 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:653:35
[INFO] [stdout]     |
[INFO] [stdout] 653 |         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:666:9
[INFO] [stdout]     |
[INFO] [stdout] 666 |         try!(setup(&mut device_settings));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:664:39
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn (&mut SerialPortSettings) -> ::Result<()>`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:664:48
[INFO] [stdout]     |
[INFO] [stdout] 664 |     fn reconfigure(&mut self, setup: &Fn (&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:665:35
[INFO] [stdout]     |
[INFO] [stdout] 665 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/posix/tty.rs:592:36
[INFO] [stdout]     |
[INFO] [stdout] 592 |             termios: unsafe { mem::uninitialized() }
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/posix/error.rs:33:40
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let description = io_error.description().to_string();
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7a6eaaf8a58e761c3154f4574140a78e0b143b4f1ceecc34793e340bc0d90492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a6eaaf8a58e761c3154f4574140a78e0b143b4f1ceecc34793e340bc0d90492", kill_on_drop: false }`
[INFO] [stdout] 7a6eaaf8a58e761c3154f4574140a78e0b143b4f1ceecc34793e340bc0d90492
