[INFO] fetching crate firmata 0.2.0... [INFO] documenting firmata-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate firmata 0.2.0 into /workspace/builds/worker-64/source [INFO] validating manifest of crates.io crate firmata 0.2.0 on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-64/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70f38e6a703aebf9936f98b3d813e5610ef0071eaf9f6c76cfbc695d1d06d622 [INFO] running `Command { std: "docker" "start" "-a" "70f38e6a703aebf9936f98b3d813e5610ef0071eaf9f6c76cfbc695d1d06d622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70f38e6a703aebf9936f98b3d813e5610ef0071eaf9f6c76cfbc695d1d06d622", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70f38e6a703aebf9936f98b3d813e5610ef0071eaf9f6c76cfbc695d1d06d622", kill_on_drop: false }` [INFO] [stdout] 70f38e6a703aebf9936f98b3d813e5610ef0071eaf9f6c76cfbc695d1d06d622 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f253be5fde0f7b32e13e69a8c02758882c952316cdc4d7e5ea5e573f00bd72ef [INFO] running `Command { std: "docker" "start" "-a" "f253be5fde0f7b32e13e69a8c02758882c952316cdc4d7e5ea5e573f00bd72ef", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking termios v0.1.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking ioctl-rs v0.1.6 [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(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(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> { [INFO] [stdout] 53 + fn write(port: &mut T, buf: &mut [u8]) -> io::Result { [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(port: &mut T, len: i32) -> io::Result<(Vec)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 57 - fn read(port: &mut T, len: i32) -> io::Result<(Vec)> { [INFO] [stdout] 57 + fn read(port: &mut T, len: i32) -> io::Result> { [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 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.23s [INFO] running `Command { std: "docker" "inspect" "f253be5fde0f7b32e13e69a8c02758882c952316cdc4d7e5ea5e573f00bd72ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f253be5fde0f7b32e13e69a8c02758882c952316cdc4d7e5ea5e573f00bd72ef", kill_on_drop: false }` [INFO] [stdout] f253be5fde0f7b32e13e69a8c02758882c952316cdc4d7e5ea5e573f00bd72ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 5d88e73ce1450858a6a731304dc32251495919202ce38ed6ab936045a54e036d [INFO] running `Command { std: "docker" "start" "-a" "5d88e73ce1450858a6a731304dc32251495919202ce38ed6ab936045a54e036d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking libc v0.1.12 [INFO] [stderr] Checking termios v0.1.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking time v0.1.44 [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(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(port: &mut T, buf: &mut [u8]) -> io::Result<(usize)> { [INFO] [stdout] 53 + fn write(port: &mut T, buf: &mut [u8]) -> io::Result { [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(port: &mut T, len: i32) -> io::Result<(Vec)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 57 - fn read(port: &mut T, len: i32) -> io::Result<(Vec)> { [INFO] [stdout] 57 + fn read(port: &mut T, len: i32) -> io::Result> { [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 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.70s [INFO] running `Command { std: "docker" "inspect" "5d88e73ce1450858a6a731304dc32251495919202ce38ed6ab936045a54e036d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d88e73ce1450858a6a731304dc32251495919202ce38ed6ab936045a54e036d", kill_on_drop: false }` [INFO] [stdout] 5d88e73ce1450858a6a731304dc32251495919202ce38ed6ab936045a54e036d