[INFO] updating cached repository https://github.com/emilio/serial-port-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 936c4086711e3b8ae02e2a5228fc29187910ae29
[INFO] checking emilio/serial-port-rs against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fserial-port-rs" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilio/serial-port-rs on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emilio/serial-port-rs
[INFO] finished tweaking git repo https://github.com/emilio/serial-port-rs
[INFO] tweaked toml for git repo https://github.com/emilio/serial-port-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/emilio/serial-port-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f83d44ab62bf54205352c9dd9e2e97a16706cb32909e58fb48c791558512cc9
[INFO] running `"docker" "start" "-a" "2f83d44ab62bf54205352c9dd9e2e97a16706cb32909e58fb48c791558512cc9"`
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking serial_port v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         termios.c_cflag |= CREAD | CLOCAL;
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_cflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         termios.c_lflag &= !(ICANON | ECHO | ECHOE | ECHOK | ECHONL | ISIG | IEXTEN);
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_lflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         termios.c_oflag &= !OPOST;
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_oflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         termios.c_iflag &= !(INLCR | IGNCR | ICRNL | IGNBRK);
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_iflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     termios.c_cflag |= CREAD | CLOCAL;
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_cflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     termios.c_lflag &= !(ICANON | ECHO | ECHOE | ECHOK | ECHONL | ISIG | IEXTEN);
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_lflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     termios.c_oflag &= !OPOST;
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_oflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     termios.c_iflag &= !(INLCR | IGNCR | ICRNL | IGNBRK);
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_iflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `BaudRate` in this scope
[INFO] [stderr]   --> src/lib.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub baud_rate: BaudRate,
[INFO] [stderr]    |                    ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharSize` in this scope
[INFO] [stderr]   --> src/lib.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub char_size: CharSize,
[INFO] [stderr]    |                    ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Parity` in this scope
[INFO] [stderr]   --> src/lib.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub parity: Parity
[INFO] [stderr]    |                 ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/platform/unix/mod.rs:35:31
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut device_data = try!(Termios::from_fd(port));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/platform/unix/mod.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         try!(tcsetattr(port, TCSAFLUSH, &device_data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/platform/unix/mod.rs:111:27
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut device_data = try!(Termios::from_fd(port));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/platform/unix/mod.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(tcsetattr(port, TCSAFLUSH, &device_data));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let connection = try!(NativeConnection::new(name));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `cfsetispeed`, `cfsetospeed`
[INFO] [stderr]   --> src/platform/unix/mod.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use termios::{cfsetispeed, cfsetospeed, tcsetattr, tcdrain, Termios};
[INFO] [stderr]    |               ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `connect`
[INFO] [stderr]   --> src/lib.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 | use platform::{connect};
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:36:63
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn set_params(&mut self, params: SerialPortParams) -> io::Result<()> {
[INFO] [stderr]    |            ----------                                         ^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()`
[INFO] [stderr]    |            |
[INFO] [stderr]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note:   expected enum `std::result::Result<(), std::io::Error>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         termios.c_cflag |= CREAD | CLOCAL;
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_cflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         termios.c_lflag &= !(ICANON | ECHO | ECHOE | ECHOK | ECHONL | ISIG | IEXTEN);
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_lflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         termios.c_oflag &= !OPOST;
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_oflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]   --> src/platform/unix/mod.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         termios.c_iflag &= !(INLCR | IGNCR | ICRNL | IGNBRK);
[INFO] [stderr]    |         ^^^^^^^--------
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: use the path separator to refer to an item: `termios::c_iflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:114:5
[INFO] [stderr]     |
[INFO] [stderr] 114 |     termios.c_cflag |= CREAD | CLOCAL;
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_cflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 |     termios.c_lflag &= !(ICANON | ECHO | ECHOE | ECHOK | ECHONL | ISIG | IEXTEN);
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_lflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     termios.c_oflag &= !OPOST;
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_oflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0423]: expected value, found struct `termios`
[INFO] [stderr]    --> src/platform/unix/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     termios.c_iflag &= !(INLCR | IGNCR | ICRNL | IGNBRK);
[INFO] [stderr]     |     ^^^^^^^--------
[INFO] [stderr]     |     |
[INFO] [stderr]     |     help: use the path separator to refer to an item: `termios::c_iflag`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `BaudRate` in this scope
[INFO] [stderr]   --> src/lib.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub baud_rate: BaudRate,
[INFO] [stderr]    |                    ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `CharSize` in this scope
[INFO] [stderr]   --> src/lib.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub char_size: CharSize,
[INFO] [stderr]    |                    ^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Parity` in this scope
[INFO] [stderr]   --> src/lib.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub parity: Parity
[INFO] [stderr]    |                 ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/platform/unix/mod.rs:68:69
[INFO] [stderr]    |
[INFO] [stderr] 68 |             read(self.as_raw_fd(), buf.as_mut_ptr() as *mut c_void, buf.len() as u64)
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^ expected `usize`, found `u64`
[INFO] [stderr]    |
[INFO] [stderr] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 68 |             read(self.as_raw_fd(), buf.as_mut_ptr() as *mut c_void, (buf.len() as u64).try_into().unwrap())
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/platform/unix/mod.rs:35:31
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut device_data = try!(Termios::from_fd(port));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/platform/unix/mod.rs:82:68
[INFO] [stderr]    |
[INFO] [stderr] 82 |             write(self.as_raw_fd(), buf.as_ptr() as *const c_void, buf.len() as u64)
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^ expected `usize`, found `u64`
[INFO] [stderr]    |
[INFO] [stderr] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 82 |             write(self.as_raw_fd(), buf.as_ptr() as *const c_void, (buf.len() as u64).try_into().unwrap())
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/platform/unix/mod.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         try!(tcsetattr(port, TCSAFLUSH, &device_data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/platform/unix/mod.rs:111:27
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut device_data = try!(Termios::from_fd(port));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/platform/unix/mod.rs:120:5
[INFO] [stderr]     |
[INFO] [stderr] 120 |     try!(tcsetattr(port, TCSAFLUSH, &device_data));
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let connection = try!(NativeConnection::new(name));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `cfsetispeed`, `cfsetospeed`
[INFO] [stderr]   --> src/platform/unix/mod.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 | use termios::{cfsetispeed, cfsetospeed, tcsetattr, tcdrain, Termios};
[INFO] [stderr]    |               ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `connect`
[INFO] [stderr]   --> src/lib.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 | use platform::{connect};
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0412, E0423.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `serial_port`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:36:63
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn set_params(&mut self, params: SerialPortParams) -> io::Result<()> {
[INFO] [stderr]    |            ----------                                         ^^^^^^^^^^^^^^ expected enum `std::result::Result`, found `()`
[INFO] [stderr]    |            |
[INFO] [stderr]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr]    |
[INFO] [stderr]    = note:   expected enum `std::result::Result<(), std::io::Error>`
[INFO] [stderr]            found unit type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/platform/unix/mod.rs:68:69
[INFO] [stderr]    |
[INFO] [stderr] 68 |             read(self.as_raw_fd(), buf.as_mut_ptr() as *mut c_void, buf.len() as u64)
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^ expected `usize`, found `u64`
[INFO] [stderr]    |
[INFO] [stderr] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 68 |             read(self.as_raw_fd(), buf.as_mut_ptr() as *mut c_void, (buf.len() as u64).try_into().unwrap())
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/platform/unix/mod.rs:82:68
[INFO] [stderr]    |
[INFO] [stderr] 82 |             write(self.as_raw_fd(), buf.as_ptr() as *const c_void, buf.len() as u64)
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^ expected `usize`, found `u64`
[INFO] [stderr]    |
[INFO] [stderr] help: you can convert an `u64` to `usize` and panic if the converted value wouldn't fit
[INFO] [stderr]    |
[INFO] [stderr] 82 |             write(self.as_raw_fd(), buf.as_ptr() as *const c_void, (buf.len() as u64).try_into().unwrap())
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0412, E0423.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `serial_port`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2f83d44ab62bf54205352c9dd9e2e97a16706cb32909e58fb48c791558512cc9"`
[INFO] running `"docker" "rm" "-f" "2f83d44ab62bf54205352c9dd9e2e97a16706cb32909e58fb48c791558512cc9"`
[INFO] [stdout] 2f83d44ab62bf54205352c9dd9e2e97a16706cb32909e58fb48c791558512cc9
