[INFO] fetching crate serialport-fix-stop-bits 4.3.0...
[INFO] testing serialport-fix-stop-bits-4.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate serialport-fix-stop-bits 4.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate serialport-fix-stop-bits 4.3.0
[INFO] finished tweaking crates.io crate serialport-fix-stop-bits 4.3.0
[INFO] tweaked toml for crates.io crate serialport-fix-stop-bits 4.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialport-fix-stop-bits 4.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialport-fix-stop-bits 4.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]  --> tests/test_serialport.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serialport::*;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]  --> examples/list_ports.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serialport::{available_ports, SerialPortType};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialport`
[INFO] [stdout]  --> tests/test_tty.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate serialport;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]   --> examples/pseudo_terminal.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use serialport::{SerialPort, TTYPort};
[INFO] [stdout]    |         ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]   --> examples/clear_input_buffer.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | use serialport::ClearBuffer;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> examples/list_ports.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |             match ports.len() {
[INFO] [stdout]   |                   ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `serialport`
[INFO] [stdout]  --> tests/test_try_clone.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | extern crate serialport;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]   --> examples/loopback.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use serialport::SerialPort;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]  --> examples/transmit.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use serialport::{DataBits, StopBits};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/clear_input_buffer.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let port = serialport::new(port_name, rate)
[INFO] [stdout]    |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "list_ports") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_tty.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     master
[INFO] [stdout]    |     ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_tty.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     slave
[INFO] [stdout]    |     ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_tty.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         master.set_timeout(Duration::new(1, 0)).unwrap();
[INFO] [stdout]    |         ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_try_clone.rs:15:25
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut clone = master.try_clone().expect("Failed to clone");
[INFO] [stdout]    |                         ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_try_clone.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         slave.read_exact(&mut buffer).unwrap();
[INFO] [stdout]    |         ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_tty.rs:88:40
[INFO] [stdout]    |
[INFO] [stdout] 88 |         Some(Err(ref e)) => assert_eq!(e.kind(), std::io::ErrorKind::TimedOut),
[INFO] [stdout]    |                                        ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> tests/test_tty.rs:128:5
[INFO] [stdout]     |
[INFO] [stdout] 128 |     slave.set_baud_rate(9600).unwrap();
[INFO] [stdout]     |     ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> tests/test_tty.rs:154:5
[INFO] [stdout]     |
[INFO] [stdout] 154 |     slave.set_baud_rate(10000).unwrap();
[INFO] [stdout]     |     ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/pseudo_terminal.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         master.as_raw_fd(),
[INFO] [stdout]    |         ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/loopback.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut port = match serialport::new(&args.port, args.baudrate)
[INFO] [stdout]    |                          ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/pseudo_terminal.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         slave.as_raw_fd(),
[INFO] [stdout]    |         ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_try_clone.rs:41:21
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut clone = master.try_clone().expect("Failed to clone the slave");
[INFO] [stdout]    |                     ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]   --> examples/clear_output_buffer.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use serialport::ClearBuffer;
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_try_clone.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     slave.read_exact(&mut buffer).unwrap();
[INFO] [stdout]    |     ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "clear_input_buffer") due to 2 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/receive_data.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let port = serialport::new(port_name, baud_rate)
[INFO] [stdout]    |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (test "test_tty") due to 7 previous errors
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/duplex.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let port_name = &serialport::available_ports().expect("No serial port")[0].port_name;
[INFO] [stdout]    |                      ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/duplex.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut port = serialport::new(port_name, 9600)
[INFO] [stdout]    |                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/duplex.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |             Err(ref e) if e.kind() == io::ErrorKind::TimedOut => (),
[INFO] [stdout]    |                           ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]   --> examples/hardware_check.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use serialport::{ClearBuffer, DataBits, FlowControl, Parity, SerialPort, StopBits};
[INFO] [stdout]    |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0463.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "loopback") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/receive_data.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |                 match port.read(serial_buf.as_mut_slice()) {
[INFO] [stdout]    |                       ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (test "test_try_clone") due to 5 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/receive_data.rs:42:35
[INFO] [stdout]    |
[INFO] [stdout] 42 |                     Err(ref e) if e.kind() == io::ErrorKind::TimedOut => (),
[INFO] [stdout]    |                                   ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/transmit.rs:71:19
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let builder = serialport::new(port_name, baud_rate)
[INFO] [stdout]    |                   ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "pseudo_terminal") due to 3 previous errors
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "receive_data") due to 3 previous errors
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (test "test_serialport") due to 1 previous error
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "duplex") due to 3 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/transmit.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Err(ref e) if e.kind() == io::ErrorKind::TimedOut => (),
[INFO] [stdout]    |                           ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `serialport`
[INFO] [stdout]  --> tests/test_timeout.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serialport::*;
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/hardware_check.rs:60:27
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut port1 = match serialport::new(port1_name, 9600).open() {
[INFO] [stdout]    |                           ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/hardware_check.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let mut port2 = match serialport::new(port2_name, 9600).open() {
[INFO] [stdout]    |                               ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    --> examples/hardware_check.rs:193:36
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn test_single_port(port: &mut dyn serialport::SerialPort, loopback: bool) {
[INFO] [stdout]     |                                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    --> examples/hardware_check.rs:292:36
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn test_dual_ports(port1: &mut dyn serialport::SerialPort, port2: &mut dyn serialport::SerialPort) {
[INFO] [stdout]     |                                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    --> examples/hardware_check.rs:292:76
[INFO] [stdout]     |
[INFO] [stdout] 292 | fn test_dual_ports(port1: &mut dyn serialport::SerialPort, port2: &mut dyn serialport::SerialPort) {
[INFO] [stdout]     |                                                                            ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    --> examples/hardware_check.rs:375:32
[INFO] [stdout]     |
[INFO] [stdout] 375 | fn set_defaults(port: &mut dyn serialport::SerialPort) {
[INFO] [stdout]     |                                ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]   --> examples/clear_output_buffer.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut port = serialport::new(port_name, rate)
[INFO] [stdout]    |                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serialport`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serialport`, use `cargo add serialport` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/clear_output_buffer.rs:90:27
[INFO] [stdout]    |
[INFO] [stdout] 90 |             Err(ref e) if e.kind() == io::ErrorKind::TimedOut => (),
[INFO] [stdout]    |                           ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "hardware_check") due to 7 previous errors
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "transmit") due to 3 previous errors
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (example "clear_output_buffer") due to 3 previous errors
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_timeout.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 assert_eq!(e.kind(), std::io::ErrorKind::TimedOut);
[INFO] [stdout]    |                            ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serialport-fix-stop-bits` (test "test_timeout") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9db2069c57a57a08f4a04334b0673b05d744a65f1b9d06175d3fd59a547c7894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9db2069c57a57a08f4a04334b0673b05d744a65f1b9d06175d3fd59a547c7894", kill_on_drop: false }`
[INFO] [stdout] 9db2069c57a57a08f4a04334b0673b05d744a65f1b9d06175d3fd59a547c7894
