[INFO] fetching crate mcp25xx 0.1.0...
[INFO] testing mcp25xx-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mcp25xx 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mcp25xx 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp25xx 0.1.0
[INFO] finished tweaking crates.io crate mcp25xx 0.1.0
[INFO] tweaked toml for crates.io crate mcp25xx 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal-mock v0.8.0
[INFO] [stderr]   Downloaded embedded-can v0.3.0
[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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09f9d828a929ca4117854f0a56ccecf80e28c53d2dac2de511744c6afa4b9f8c
[INFO] running `Command { std: "docker" "start" "-a" "09f9d828a929ca4117854f0a56ccecf80e28c53d2dac2de511744c6afa4b9f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f9d828a929ca4117854f0a56ccecf80e28c53d2dac2de511744c6afa4b9f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f9d828a929ca4117854f0a56ccecf80e28c53d2dac2de511744c6afa4b9f8c", kill_on_drop: false }`
[INFO] [stdout] 09f9d828a929ca4117854f0a56ccecf80e28c53d2dac2de511744c6afa4b9f8c
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6fcc8690b91d376b110fe93a84e9156ba83e3bce7250bac0c3892da286c7d3
[INFO] running `Command { std: "docker" "start" "-a" "aa6fcc8690b91d376b110fe93a84e9156ba83e3bce7250bac0c3892da286c7d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-can v0.3.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling mcp25xx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/registers.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// Receive Buffer 0 Control Register
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/registers.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// Receive Buffer 1 Control Register
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | /// Can Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | /// CAN Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | /// Configuration 1 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | /// Configuration 2 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:279:1
[INFO] [stdout]     |
[INFO] [stdout] 279 | /// Configuration 3 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:297:1
[INFO] [stdout]     |
[INFO] [stdout] 297 | /// Data Length Code Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:312:1
[INFO] [stdout]     |
[INFO] [stdout] 312 | /// Transmit Buffer 0 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:333:1
[INFO] [stdout]     |
[INFO] [stdout] 333 | /// Transmit Buffer 1 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:354:1
[INFO] [stdout]     |
[INFO] [stdout] 354 | /// Transmit Buffer 2 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | /// Interrupt Enable Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:398:1
[INFO] [stdout]     |
[INFO] [stdout] 398 | /// Interrupt Flag Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:421:1
[INFO] [stdout]     |
[INFO] [stdout] 421 | /// Error Flag Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:444:1
[INFO] [stdout]     |
[INFO] [stdout] 444 | /// RXnBF Pin Control and Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:459:1
[INFO] [stdout]     |
[INFO] [stdout] 459 | /// TXnRTS Pin Control and Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:506:1
[INFO] [stdout]     |
[INFO] [stdout] 506 | /// Read Status Response Bitfield
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.92s
[INFO] running `Command { std: "docker" "inspect" "aa6fcc8690b91d376b110fe93a84e9156ba83e3bce7250bac0c3892da286c7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6fcc8690b91d376b110fe93a84e9156ba83e3bce7250bac0c3892da286c7d3", kill_on_drop: false }`
[INFO] [stdout] aa6fcc8690b91d376b110fe93a84e9156ba83e3bce7250bac0c3892da286c7d3
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6bb44a13f765d000e09027ce452b525fc73ea9c1dd6b81f206a7401ded50f63
[INFO] running `Command { std: "docker" "start" "-a" "b6bb44a13f765d000e09027ce452b525fc73ea9c1dd6b81f206a7401ded50f63", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hal-mock v0.8.0
[INFO] [stderr]    Compiling mcp25xx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/registers.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// Receive Buffer 0 Control Register
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/registers.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// Receive Buffer 1 Control Register
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | /// Can Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | /// CAN Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | /// Configuration 1 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | /// Configuration 2 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:279:1
[INFO] [stdout]     |
[INFO] [stdout] 279 | /// Configuration 3 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:297:1
[INFO] [stdout]     |
[INFO] [stdout] 297 | /// Data Length Code Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:312:1
[INFO] [stdout]     |
[INFO] [stdout] 312 | /// Transmit Buffer 0 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:333:1
[INFO] [stdout]     |
[INFO] [stdout] 333 | /// Transmit Buffer 1 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:354:1
[INFO] [stdout]     |
[INFO] [stdout] 354 | /// Transmit Buffer 2 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | /// Interrupt Enable Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:398:1
[INFO] [stdout]     |
[INFO] [stdout] 398 | /// Interrupt Flag Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:421:1
[INFO] [stdout]     |
[INFO] [stdout] 421 | /// Error Flag Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:444:1
[INFO] [stdout]     |
[INFO] [stdout] 444 | /// RXnBF Pin Control and Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:459:1
[INFO] [stdout]     |
[INFO] [stdout] 459 | /// TXnRTS Pin Control and Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:506:1
[INFO] [stdout]     |
[INFO] [stdout] 506 | /// Read Status Response Bitfield
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/registers.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// Receive Buffer 0 Control Register
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]   --> src/registers.rs:39:1
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// Receive Buffer 1 Control Register
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:105:1
[INFO] [stdout]     |
[INFO] [stdout] 105 | /// Can Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:162:1
[INFO] [stdout]     |
[INFO] [stdout] 162 | /// CAN Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | /// Configuration 1 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | /// Configuration 2 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:279:1
[INFO] [stdout]     |
[INFO] [stdout] 279 | /// Configuration 3 Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:297:1
[INFO] [stdout]     |
[INFO] [stdout] 297 | /// Data Length Code Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:312:1
[INFO] [stdout]     |
[INFO] [stdout] 312 | /// Transmit Buffer 0 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:333:1
[INFO] [stdout]     |
[INFO] [stdout] 333 | /// Transmit Buffer 1 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:354:1
[INFO] [stdout]     |
[INFO] [stdout] 354 | /// Transmit Buffer 2 Control Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:375:1
[INFO] [stdout]     |
[INFO] [stdout] 375 | /// Interrupt Enable Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:398:1
[INFO] [stdout]     |
[INFO] [stdout] 398 | /// Interrupt Flag Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:421:1
[INFO] [stdout]     |
[INFO] [stdout] 421 | /// Error Flag Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:444:1
[INFO] [stdout]     |
[INFO] [stdout] 444 | /// RXnBF Pin Control and Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:459:1
[INFO] [stdout]     |
[INFO] [stdout] 459 | /// TXnRTS Pin Control and Status Register
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around const expression
[INFO] [stdout]    --> src/registers.rs:506:1
[INFO] [stdout]     |
[INFO] [stdout] 506 | /// Read Status Response Bitfield
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "b6bb44a13f765d000e09027ce452b525fc73ea9c1dd6b81f206a7401ded50f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bb44a13f765d000e09027ce452b525fc73ea9c1dd6b81f206a7401ded50f63", kill_on_drop: false }`
[INFO] [stdout] b6bb44a13f765d000e09027ce452b525fc73ea9c1dd6b81f206a7401ded50f63
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b02b4fbcdbca918c12044a534cf40430f048f03cd9dc3f40e0093c8c749f464
[INFO] running `Command { std: "docker" "start" "-a" "9b02b4fbcdbca918c12044a534cf40430f048f03cd9dc3f40e0093c8c749f464", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]   --> src/registers.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | /// Receive Buffer 0 Control Register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]   --> src/registers.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | /// Receive Buffer 1 Control Register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | /// Can Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | /// CAN Status Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:229:1
[INFO] [stderr]     |
[INFO] [stderr] 229 | /// Configuration 1 Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | /// Configuration 2 Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:279:1
[INFO] [stderr]     |
[INFO] [stderr] 279 | /// Configuration 3 Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:297:1
[INFO] [stderr]     |
[INFO] [stderr] 297 | /// Data Length Code Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | /// Transmit Buffer 0 Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:333:1
[INFO] [stderr]     |
[INFO] [stderr] 333 | /// Transmit Buffer 1 Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:354:1
[INFO] [stderr]     |
[INFO] [stderr] 354 | /// Transmit Buffer 2 Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:375:1
[INFO] [stderr]     |
[INFO] [stderr] 375 | /// Interrupt Enable Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:398:1
[INFO] [stderr]     |
[INFO] [stderr] 398 | /// Interrupt Flag Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:421:1
[INFO] [stderr]     |
[INFO] [stderr] 421 | /// Error Flag Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:444:1
[INFO] [stderr]     |
[INFO] [stderr] 444 | /// RXnBF Pin Control and Status Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:459:1
[INFO] [stderr]     |
[INFO] [stderr] 459 | /// TXnRTS Pin Control and Status Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:506:1
[INFO] [stderr]     |
[INFO] [stderr] 506 | /// Read Status Response Bitfield
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mcp25xx` (lib) generated 17 warnings
[INFO] [stderr] warning: `mcp25xx` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp25xx-901fac3c062b60e4)
[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]      Running tests/check_bitrates.rs (/opt/rustwide/target/debug/deps/check_bitrates-f9f44ca1e30397a8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_bitrates ... ok
[INFO] [stdout] test test_print_bitrate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mock_bus.rs (/opt/rustwide/target/debug/deps/mock_bus-ff5754f1299e017a)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-a370a8a3f573828e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_set_bitrate ... ok
[INFO] [stdout] test test_transmit ... ok
[INFO] [stdout] test test_set_mode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcp25xx
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 | #![cfg_attr(doc, feature(doc_cfg))]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]   --> src/registers.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | /// Receive Buffer 0 Control Register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]   --> src/registers.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | /// Receive Buffer 1 Control Register
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:105:1
[INFO] [stderr]     |
[INFO] [stderr] 105 | /// Can Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:162:1
[INFO] [stderr]     |
[INFO] [stderr] 162 | /// CAN Status Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:229:1
[INFO] [stderr]     |
[INFO] [stderr] 229 | /// Configuration 1 Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | /// Configuration 2 Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:279:1
[INFO] [stderr]     |
[INFO] [stderr] 279 | /// Configuration 3 Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:297:1
[INFO] [stderr]     |
[INFO] [stderr] 297 | /// Data Length Code Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:312:1
[INFO] [stderr]     |
[INFO] [stderr] 312 | /// Transmit Buffer 0 Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:333:1
[INFO] [stderr]     |
[INFO] [stderr] 333 | /// Transmit Buffer 1 Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:354:1
[INFO] [stderr]     |
[INFO] [stderr] 354 | /// Transmit Buffer 2 Control Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:375:1
[INFO] [stderr]     |
[INFO] [stderr] 375 | /// Interrupt Enable Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:398:1
[INFO] [stderr]     |
[INFO] [stderr] 398 | /// Interrupt Flag Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:421:1
[INFO] [stderr]     |
[INFO] [stderr] 421 | /// Error Flag Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:444:1
[INFO] [stderr]     |
[INFO] [stderr] 444 | /// RXnBF Pin Control and Status Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:459:1
[INFO] [stderr]     |
[INFO] [stderr] 459 | /// TXnRTS Pin Control and Status Register
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around const expression
[INFO] [stderr]    --> src/registers.rs:506:1
[INFO] [stderr]     |
[INFO] [stderr] 506 | /// Read Status Response Bitfield
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 17 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name mcp25xx --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern embedded_can=/opt/rustwide/target/debug/deps/libembedded_can-bed4eeb9b6049f92.rlib --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-fdc11bdf443b8d34.rlib --extern embedded_hal_mock=/opt/rustwide/target/debug/deps/libembedded_hal_mock-2959fc5b92fc3c88.rlib --extern mcp25xx=/opt/rustwide/target/debug/deps/libmcp25xx-5ac437744498c2ae.rlib --extern modular_bitfield=/opt/rustwide/target/debug/deps/libmodular_bitfield-2119dfa36f13c371.rlib --extern nb=/opt/rustwide/target/debug/deps/libnb-ae98089a5cd67ada.rlib -C embed-bitcode=no --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "9b02b4fbcdbca918c12044a534cf40430f048f03cd9dc3f40e0093c8c749f464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b02b4fbcdbca918c12044a534cf40430f048f03cd9dc3f40e0093c8c749f464", kill_on_drop: false }`
[INFO] [stdout] 9b02b4fbcdbca918c12044a534cf40430f048f03cd9dc3f40e0093c8c749f464
