[INFO] fetching crate firmata 0.2.0...
[INFO] documenting firmata-0.2.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate firmata 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate firmata 0.2.0 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.1.12
[INFO] [stderr]   Downloaded serial v0.2.1
[INFO] [stderr]   Downloaded termios v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc2ae4cf669af6ee94c6e15bea54769b7ef8cc022b5761bf73646adef0dd980e
[INFO] running `Command { std: "docker" "start" "-a" "bc2ae4cf669af6ee94c6e15bea54769b7ef8cc022b5761bf73646adef0dd980e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2ae4cf669af6ee94c6e15bea54769b7ef8cc022b5761bf73646adef0dd980e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2ae4cf669af6ee94c6e15bea54769b7ef8cc022b5761bf73646adef0dd980e", kill_on_drop: false }`
[INFO] [stdout] bc2ae4cf669af6ee94c6e15bea54769b7ef8cc022b5761bf73646adef0dd980e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53b34ee80308b53c7f834b039acd8bedee65c9e432e694510ed3714323c1b8c5
[INFO] running `Command { std: "docker" "start" "-a" "53b34ee80308b53c7f834b039acd8bedee65c9e432e694510ed3714323c1b8c5", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking termios v0.1.0
[INFO] [stderr]     Checking serial v0.2.1
[INFO] [stderr]  Documenting 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]     = 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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "53b34ee80308b53c7f834b039acd8bedee65c9e432e694510ed3714323c1b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53b34ee80308b53c7f834b039acd8bedee65c9e432e694510ed3714323c1b8c5", kill_on_drop: false }`
[INFO] [stdout] 53b34ee80308b53c7f834b039acd8bedee65c9e432e694510ed3714323c1b8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c6291ff65c298b3ebabf1fea95ba41e2dc3199b671e8615582c3cbb28b3576e
[INFO] running `Command { std: "docker" "start" "-a" "0c6291ff65c298b3ebabf1fea95ba41e2dc3199b671e8615582c3cbb28b3576e", kill_on_drop: false }`
[INFO] [stderr]  Documenting 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]     = 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]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "0c6291ff65c298b3ebabf1fea95ba41e2dc3199b671e8615582c3cbb28b3576e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6291ff65c298b3ebabf1fea95ba41e2dc3199b671e8615582c3cbb28b3576e", kill_on_drop: false }`
[INFO] [stdout] 0c6291ff65c298b3ebabf1fea95ba41e2dc3199b671e8615582c3cbb28b3576e
