[INFO] fetching crate adxl345-eh-driver 0.1.0...
[INFO] checking adxl345-eh-driver-0.1.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate adxl345-eh-driver 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate adxl345-eh-driver 0.1.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adxl345-eh-driver 0.1.0
[INFO] finished tweaking crates.io crate adxl345-eh-driver 0.1.0
[INFO] tweaked toml for crates.io crate adxl345-eh-driver 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e5aaf1abb60075d97a9d2bfaf22557eda9354b2d3da89e0c9519e82cce76617
[INFO] running `Command { std: "docker" "start" "-a" "2e5aaf1abb60075d97a9d2bfaf22557eda9354b2d3da89e0c9519e82cce76617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e5aaf1abb60075d97a9d2bfaf22557eda9354b2d3da89e0c9519e82cce76617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5aaf1abb60075d97a9d2bfaf22557eda9354b2d3da89e0c9519e82cce76617", kill_on_drop: false }`
[INFO] [stdout] 2e5aaf1abb60075d97a9d2bfaf22557eda9354b2d3da89e0c9519e82cce76617
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95f3ad0514b2eb6fc65a59fc7296920f2ee5688670892b6fdab33bd4884ef296
[INFO] running `Command { std: "docker" "start" "-a" "95f3ad0514b2eb6fc65a59fc7296920f2ee5688670892b6fdab33bd4884ef296", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking adxl345-eh-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `THRESH_TAP` is never used
[INFO] [stdout]    --> src/lib.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub const THRESH_TAP: u8 = 0x1D; // Tap threshold
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFSX` is never used
[INFO] [stdout]    --> src/lib.rs:112:15
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub const OFSX: u8 = 0x1E; // X-axis offset
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFSY` is never used
[INFO] [stdout]    --> src/lib.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub const OFSY: u8 = 0x1F; // Y-axis offset
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFSZ` is never used
[INFO] [stdout]    --> src/lib.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub const OFSZ: u8 = 0x20; // Z-axis offset
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DUR` is never used
[INFO] [stdout]    --> src/lib.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub const DUR: u8 = 0x21; // Tap duration
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LATENT` is never used
[INFO] [stdout]    --> src/lib.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub const LATENT: u8 = 0x22; // Tap latency
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WINDOW` is never used
[INFO] [stdout]    --> src/lib.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub const WINDOW: u8 = 0x23; // Tap window
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_ACT` is never used
[INFO] [stdout]    --> src/lib.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub const THRESH_ACT: u8 = 0x24; // Activity threshold
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_INACT` is never used
[INFO] [stdout]    --> src/lib.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub const THRESH_INACT: u8 = 0x25; // Inactivity threshold
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIME_INACT` is never used
[INFO] [stdout]    --> src/lib.rs:120:15
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub const TIME_INACT: u8 = 0x26; // Inactivity time
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACT_INACT_CTL` is never used
[INFO] [stdout]    --> src/lib.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub const ACT_INACT_CTL: u8 = 0x27; // Axis enable control for activity and inactivity detection
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_FF` is never used
[INFO] [stdout]    --> src/lib.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub const THRESH_FF: u8 = 0x28; // Free-fall threshold
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIME_FF` is never used
[INFO] [stdout]    --> src/lib.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub const TIME_FF: u8 = 0x29; // Free-fall time
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAP_AXES` is never used
[INFO] [stdout]    --> src/lib.rs:124:15
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub const TAP_AXES: u8 = 0x2A; // Axis control for single/double tap
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACT_TAP_STATUS` is never used
[INFO] [stdout]    --> src/lib.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub const ACT_TAP_STATUS: u8 = 0x2B; // Source for single/double tap
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_ENABLE` is never used
[INFO] [stdout]    --> src/lib.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub const INT_ENABLE: u8 = 0x2E; // Interrupt enable control
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_MAP` is never used
[INFO] [stdout]    --> src/lib.rs:129:15
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub const INT_MAP: u8 = 0x2F; // Interrupt mapping control
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_SOURCE` is never used
[INFO] [stdout]    --> src/lib.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub const INT_SOURCE: u8 = 0x30; // Source of interrupts
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAX1` is never used
[INFO] [stdout]    --> src/lib.rs:133:15
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub const DATAX1: u8 = 0x33; // X-axis data 1
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAY0` is never used
[INFO] [stdout]    --> src/lib.rs:134:15
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub const DATAY0: u8 = 0x34; // Y-axis data 0
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAY1` is never used
[INFO] [stdout]    --> src/lib.rs:135:15
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub const DATAY1: u8 = 0x35; // Y-axis data 1
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAZ0` is never used
[INFO] [stdout]    --> src/lib.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub const DATAZ0: u8 = 0x36; // Z-axis data 0
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAZ1` is never used
[INFO] [stdout]    --> src/lib.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub const DATAZ1: u8 = 0x37; // Z-axis data 1
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIFO_CTL` is never used
[INFO] [stdout]    --> src/lib.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub const FIFO_CTL: u8 = 0x38; // FIFO control
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIFO_STATUS` is never used
[INFO] [stdout]    --> src/lib.rs:139:15
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub const FIFO_STATUS: u8 = 0x39; // FIFO status
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_TAP` is never used
[INFO] [stdout]    --> src/lib.rs:111:15
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub const THRESH_TAP: u8 = 0x1D; // Tap threshold
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFSX` is never used
[INFO] [stdout]    --> src/lib.rs:112:15
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub const OFSX: u8 = 0x1E; // X-axis offset
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFSY` is never used
[INFO] [stdout]    --> src/lib.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub const OFSY: u8 = 0x1F; // Y-axis offset
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFSZ` is never used
[INFO] [stdout]    --> src/lib.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub const OFSZ: u8 = 0x20; // Z-axis offset
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DUR` is never used
[INFO] [stdout]    --> src/lib.rs:115:15
[INFO] [stdout]     |
[INFO] [stdout] 115 |     pub const DUR: u8 = 0x21; // Tap duration
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LATENT` is never used
[INFO] [stdout]    --> src/lib.rs:116:15
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub const LATENT: u8 = 0x22; // Tap latency
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WINDOW` is never used
[INFO] [stdout]    --> src/lib.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub const WINDOW: u8 = 0x23; // Tap window
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_ACT` is never used
[INFO] [stdout]    --> src/lib.rs:118:15
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub const THRESH_ACT: u8 = 0x24; // Activity threshold
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_INACT` is never used
[INFO] [stdout]    --> src/lib.rs:119:15
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub const THRESH_INACT: u8 = 0x25; // Inactivity threshold
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIME_INACT` is never used
[INFO] [stdout]    --> src/lib.rs:120:15
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub const TIME_INACT: u8 = 0x26; // Inactivity time
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACT_INACT_CTL` is never used
[INFO] [stdout]    --> src/lib.rs:121:15
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub const ACT_INACT_CTL: u8 = 0x27; // Axis enable control for activity and inactivity detection
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THRESH_FF` is never used
[INFO] [stdout]    --> src/lib.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub const THRESH_FF: u8 = 0x28; // Free-fall threshold
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TIME_FF` is never used
[INFO] [stdout]    --> src/lib.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |     pub const TIME_FF: u8 = 0x29; // Free-fall time
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAP_AXES` is never used
[INFO] [stdout]    --> src/lib.rs:124:15
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub const TAP_AXES: u8 = 0x2A; // Axis control for single/double tap
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACT_TAP_STATUS` is never used
[INFO] [stdout]    --> src/lib.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub const ACT_TAP_STATUS: u8 = 0x2B; // Source for single/double tap
[INFO] [stdout]     |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_ENABLE` is never used
[INFO] [stdout]    --> src/lib.rs:128:15
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub const INT_ENABLE: u8 = 0x2E; // Interrupt enable control
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_MAP` is never used
[INFO] [stdout]    --> src/lib.rs:129:15
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub const INT_MAP: u8 = 0x2F; // Interrupt mapping control
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_SOURCE` is never used
[INFO] [stdout]    --> src/lib.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 |     pub const INT_SOURCE: u8 = 0x30; // Source of interrupts
[INFO] [stdout]     |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAX1` is never used
[INFO] [stdout]    --> src/lib.rs:133:15
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub const DATAX1: u8 = 0x33; // X-axis data 1
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAY0` is never used
[INFO] [stdout]    --> src/lib.rs:134:15
[INFO] [stdout]     |
[INFO] [stdout] 134 |     pub const DATAY0: u8 = 0x34; // Y-axis data 0
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAY1` is never used
[INFO] [stdout]    --> src/lib.rs:135:15
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub const DATAY1: u8 = 0x35; // Y-axis data 1
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAZ0` is never used
[INFO] [stdout]    --> src/lib.rs:136:15
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub const DATAZ0: u8 = 0x36; // Z-axis data 0
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DATAZ1` is never used
[INFO] [stdout]    --> src/lib.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub const DATAZ1: u8 = 0x37; // Z-axis data 1
[INFO] [stdout]     |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIFO_CTL` is never used
[INFO] [stdout]    --> src/lib.rs:138:15
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub const FIFO_CTL: u8 = 0x38; // FIFO control
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIFO_STATUS` is never used
[INFO] [stdout]    --> src/lib.rs:139:15
[INFO] [stdout]     |
[INFO] [stdout] 139 |     pub const FIFO_STATUS: u8 = 0x39; // FIFO status
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "95f3ad0514b2eb6fc65a59fc7296920f2ee5688670892b6fdab33bd4884ef296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f3ad0514b2eb6fc65a59fc7296920f2ee5688670892b6fdab33bd4884ef296", kill_on_drop: false }`
[INFO] [stdout] 95f3ad0514b2eb6fc65a59fc7296920f2ee5688670892b6fdab33bd4884ef296
