[INFO] fetching crate firmata 0.2.0...
[INFO] testing firmata-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate firmata 0.2.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate firmata 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firmata 0.2.0
[INFO] finished tweaking crates.io crate firmata 0.2.0
[INFO] tweaked toml for crates.io crate firmata 0.2.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a06ae25d01ac678e6b0207f3d344ed7dbc5fa5393ba25078ea790dce39d5f25c
[INFO] running `Command { std: "docker" "start" "-a" "a06ae25d01ac678e6b0207f3d344ed7dbc5fa5393ba25078ea790dce39d5f25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a06ae25d01ac678e6b0207f3d344ed7dbc5fa5393ba25078ea790dce39d5f25c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06ae25d01ac678e6b0207f3d344ed7dbc5fa5393ba25078ea790dce39d5f25c", kill_on_drop: false }`
[INFO] [stdout] a06ae25d01ac678e6b0207f3d344ed7dbc5fa5393ba25078ea790dce39d5f25c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c62a7830c9a54ded2b423a1485211c4006d6c3463455c666d70bebe24495441a
[INFO] running `Command { std: "docker" "start" "-a" "c62a7830c9a54ded2b423a1485211c4006d6c3463455c666d70bebe24495441a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.1.0
[INFO] [stderr]    Compiling serial v0.2.1
[INFO] [stderr]    Compiling firmata v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:53:69
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stdout] 53 + fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stdout]    |                                                              ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 - fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stdout] 57 + fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<Vec<u8>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:273:27
[INFO] [stdout]     |
[INFO] [stdout] 273 |             ANALOG_MESSAGE...0xEF => {
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:281:28
[INFO] [stdout]     |
[INFO] [stdout] 281 |             DIGITAL_MESSAGE...0x9F => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     thread::sleep_ms(1);
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.90s
[INFO] running `Command { std: "docker" "inspect" "c62a7830c9a54ded2b423a1485211c4006d6c3463455c666d70bebe24495441a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62a7830c9a54ded2b423a1485211c4006d6c3463455c666d70bebe24495441a", kill_on_drop: false }`
[INFO] [stdout] c62a7830c9a54ded2b423a1485211c4006d6c3463455c666d70bebe24495441a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db615141d6393c85e082a5c6b90cb4dc95645c8931dd48380da8aaf6f40089f2
[INFO] running `Command { std: "docker" "start" "-a" "db615141d6393c85e082a5c6b90cb4dc95645c8931dd48380da8aaf6f40089f2", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:53:69
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stdout] 53 + fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stdout]    |                                                              ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 - fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stdout] 57 + fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<Vec<u8>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling firmata v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:273:27
[INFO] [stdout]     |
[INFO] [stdout] 273 |             ANALOG_MESSAGE...0xEF => {
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:281:28
[INFO] [stdout]     |
[INFO] [stdout] 281 |             DIGITAL_MESSAGE...0x9F => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     thread::sleep_ms(1);
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firmata::*`
[INFO] [stdout]  --> examples/analog.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use firmata::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/analog.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |         thread::sleep_ms(10);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:53:69
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stdout]    |                                                                     ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 - fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stdout] 53 + fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:57:62
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stdout]    |                                                              ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 57 - fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stdout] 57 + fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<Vec<u8>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:273:27
[INFO] [stdout]     |
[INFO] [stdout] 273 |             ANALOG_MESSAGE...0xEF => {
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:281:28
[INFO] [stdout]     |
[INFO] [stdout] 281 |             DIGITAL_MESSAGE...0x9F => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/lib.rs:75:29
[INFO] [stdout]    |
[INFO] [stdout] 75 |                     thread::sleep_ms(1);
[INFO] [stdout]    |                             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firmata::*`
[INFO] [stdout]  --> examples/servo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use firmata::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firmata::*`
[INFO] [stdout]  --> examples/blinkm_i2c.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use firmata::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firmata::*`
[INFO] [stdout]  --> examples/blink.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use firmata::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firmata::*`
[INFO] [stdout]  --> examples/pwm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use firmata::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `firmata::*`
[INFO] [stdout]  --> examples/button.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use firmata::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blink.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |         thread::sleep_ms(400);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/servo.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             thread::sleep_ms(10);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blinkm_i2c.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |         thread::sleep_ms(10);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blinkm_i2c.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |             thread::sleep_ms(10);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blinkm_i2c.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |         thread::sleep_ms(10);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blinkm_i2c.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |     thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blinkm_i2c.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |     thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/blinkm_i2c.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     thread::sleep_ms(1000);
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/pwm.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |             thread::sleep_ms(10);
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]   --> examples/button.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         thread::sleep_ms(100);
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> src/lib.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/firmata-c576f8d8dc519aca)
[INFO] running `Command { std: "docker" "inspect" "db615141d6393c85e082a5c6b90cb4dc95645c8931dd48380da8aaf6f40089f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db615141d6393c85e082a5c6b90cb4dc95645c8931dd48380da8aaf6f40089f2", kill_on_drop: false }`
[INFO] [stdout] db615141d6393c85e082a5c6b90cb4dc95645c8931dd48380da8aaf6f40089f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fac304e20b89da5e2fa00206116cd3753bd0533dc455522a9995fde8d7c45f6
[INFO] running `Command { std: "docker" "start" "-a" "9fac304e20b89da5e2fa00206116cd3753bd0533dc455522a9995fde8d7c45f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:53:69
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stderr]    |                                                                     ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 - fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stderr] 53 + fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lib.rs:57:62
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                              ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 57 - fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stderr] 57 + fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<Vec<u8>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:273:27
[INFO] [stderr]     |
[INFO] [stderr] 273 |             ANALOG_MESSAGE...0xEF => {
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:281:28
[INFO] [stderr]     |
[INFO] [stderr] 281 |             DIGITAL_MESSAGE...0x9F => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/lib.rs:75:29
[INFO] [stderr]    |
[INFO] [stderr] 75 |                     thread::sleep_ms(1);
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]   --> src/lib.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | use std::io::Read;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `firmata` (lib) generated 6 warnings
[INFO] [stderr] warning: `firmata` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused import: `firmata::*`
[INFO] [stderr]  --> examples/blinkm_i2c.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firmata::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blinkm_i2c.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 |         thread::sleep_ms(10);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blinkm_i2c.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |             thread::sleep_ms(10);
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blinkm_i2c.rs:44:17
[INFO] [stderr]    |
[INFO] [stderr] 44 |         thread::sleep_ms(10);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blinkm_i2c.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |     thread::sleep_ms(1000);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blinkm_i2c.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |     thread::sleep_ms(1000);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blinkm_i2c.rs:63:13
[INFO] [stderr]    |
[INFO] [stderr] 63 |     thread::sleep_ms(1000);
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firmata::*`
[INFO] [stderr]  --> examples/servo.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firmata::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/servo.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |             thread::sleep_ms(10);
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firmata::*`
[INFO] [stderr]  --> examples/blink.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firmata::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/blink.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |         thread::sleep_ms(400);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firmata::*`
[INFO] [stderr]  --> examples/analog.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firmata::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/analog.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |         thread::sleep_ms(10);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `firmata::*`
[INFO] [stderr]  --> examples/button.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firmata::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/button.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |         thread::sleep_ms(100);
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `firmata` (example "blinkm_i2c") generated 7 warnings
[INFO] [stderr] warning: `firmata` (example "servo") generated 2 warnings
[INFO] [stderr] warning: `firmata` (example "blink") generated 2 warnings
[INFO] [stderr] warning: `firmata` (example "analog") generated 2 warnings
[INFO] [stderr] warning: `firmata` (example "button") generated 2 warnings
[INFO] [stderr] warning: unused import: `firmata::*`
[INFO] [stderr]  --> examples/pwm.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use firmata::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]   --> examples/pwm.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |             thread::sleep_ms(10);
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `firmata` (example "pwm") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/firmata-c576f8d8dc519aca)
[INFO] [stderr]    Doc-tests firmata
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:53:69
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stderr]    |                                                                     ^     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 - fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> {
[INFO] [stderr] 53 + fn write<T: SerialPort>(port: &mut T, buf: &mut [u8]) -> io::Result<usize> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:57:62
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stderr]    |                                                              ^       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 57 - fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<(Vec<u8>)> {
[INFO] [stderr] 57 + fn read<T: SerialPort>(port: &mut T, len: i32) -> io::Result<Vec<u8>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:273:27
[INFO] [stderr]     |
[INFO] [stderr] 273 |             ANALOG_MESSAGE...0xEF => {
[INFO] [stderr]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:281:28
[INFO] [stderr]     |
[INFO] [stderr] 281 |             DIGITAL_MESSAGE...0x9F => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[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] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fac304e20b89da5e2fa00206116cd3753bd0533dc455522a9995fde8d7c45f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fac304e20b89da5e2fa00206116cd3753bd0533dc455522a9995fde8d7c45f6", kill_on_drop: false }`
[INFO] [stdout] 9fac304e20b89da5e2fa00206116cd3753bd0533dc455522a9995fde8d7c45f6