[INFO] cloning repository https://github.com/ZiCog/tokio_serial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZiCog/tokio_serial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Ftokio_serial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Ftokio_serial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b335ec0833977d9c3756250c81ab54304a9d34c6
[INFO] checking ZiCog/tokio_serial against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZiCog%2Ftokio_serial" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ZiCog/tokio_serial
[INFO] finished tweaking git repo https://github.com/ZiCog/tokio_serial
[INFO] tweaked toml for git repo https://github.com/ZiCog/tokio_serial written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ZiCog/tokio_serial on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ZiCog/tokio_serial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded serialport v4.2.1
[INFO] [stderr]   Downloaded clap_derive v4.3.12
[INFO] [stderr]   Downloaded protoc v2.28.0
[INFO] [stderr]   Downloaded anstyle v1.0.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.28.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded regex-automata v0.3.3
[INFO] [stderr]   Downloaded protobuf-codegen v3.2.0
[INFO] [stderr]   Downloaded clap v4.3.19
[INFO] [stderr]   Downloaded anstyle-parse v0.2.1
[INFO] [stderr]   Downloaded bitintr v0.3.0
[INFO] [stderr]   Downloaded protobuf-support v3.2.0
[INFO] [stderr]   Downloaded protobuf-json-mapping v3.2.0
[INFO] [stderr]   Downloaded protoc-rust v2.28.0
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded tokio-serial v5.4.4
[INFO] [stderr]   Downloaded clap_builder v4.3.19
[INFO] [stderr]   Downloaded protobuf-parse v3.2.0
[INFO] [stderr]   Downloaded protobuf v3.2.0
[INFO] [stderr]   Downloaded mio-serial v5.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d4f4cafe4be7463f49f47b179884d132106c2f1debb57d4a12a428a1272bb5
[INFO] running `Command { std: "docker" "start" "-a" "b6d4f4cafe4be7463f49f47b179884d132106c2f1debb57d4a12a428a1272bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d4f4cafe4be7463f49f47b179884d132106c2f1debb57d4a12a428a1272bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d4f4cafe4be7463f49f47b179884d132106c2f1debb57d4a12a428a1272bb5", kill_on_drop: false }`
[INFO] [stdout] b6d4f4cafe4be7463f49f47b179884d132106c2f1debb57d4a12a428a1272bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 004245fb8363b495363ec1ccd98c0eb712ab29d2b90b637db41b5892a6fcc6e6
[INFO] running `Command { std: "docker" "start" "-a" "004245fb8363b495363ec1ccd98c0eb712ab29d2b90b637db41b5892a6fcc6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling protobuf v3.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]    Compiling bitintr v0.3.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling protoc v2.28.0
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking colored v2.0.4
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking serialport v4.2.1
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]    Compiling protobuf-support v3.2.0
[INFO] [stderr]    Compiling protoc-rust v2.28.0
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking protobuf-json-mapping v3.2.0
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]    Compiling protobuf-parse v3.2.0
[INFO] [stderr]    Compiling protobuf-codegen v3.2.0
[INFO] [stderr]    Compiling tokio_serial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c: In function 'hdlc_encode':
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:144:19: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   144 |     for (i = 0; i < pktsize; i++)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                   ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:148:21: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'ssize_t' {aka 'long int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   148 |         if (frmsize < written + 2)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                     ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:161:17: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'ssize_t' {aka 'long int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   161 |     if (frmsize < written + 3)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                 ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c: In function 'hdlc_find_frame':
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:210:24: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   210 |     for (i = *start; i < bufsize; i++)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                        ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:222:14: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   222 |     while (s < bufsize && buffer[s] == 0x7e) // consecutive Flag Sequences
[INFO] [stderr] warning: tokio_serial@0.1.0:       |              ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:226:19: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   226 |     for (i = s; i < bufsize; i++)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                   ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c: In function 'hdlc_decode':
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:274:23: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   274 |     for (i = start; i < frmsize; i++)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                       ^
[INFO] [stderr] warning: tokio_serial@0.1.0: src/hdlc.c:294:21: warning: comparison of integer expressions of different signedness: 'ssize_t' {aka 'long int'} and 'size_t' {aka 'long unsigned int'} [-Wsign-compare]
[INFO] [stderr] warning: tokio_serial@0.1.0:   294 |         if (written >= pktsize)
[INFO] [stderr] warning: tokio_serial@0.1.0:       |                     ^~
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/tokio_serial-fbacfc0523cdd8bb/out/protos/example.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hdlc::*`
[INFO] [stdout]   --> src/serial_port_test.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::hdlc::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | mod serial_port_test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::size_t`
[INFO] [stdout]    --> src/serial_port_test.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | use libc::size_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]    --> src/main.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | mod serial_port_test;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::ffi::CString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::raw::c_char`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::os::raw::c_char;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `box_pointers` has been removed: it does not detect other kinds of allocations, and existed only for historical reasons
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/tokio_serial-fbacfc0523cdd8bb/out/protos/example.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![allow(box_pointers)]
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hdlc::*`
[INFO] [stdout]   --> src/serial_port_test.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::hdlc::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::size_t`
[INFO] [stdout]    --> src/serial_port_test.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 | use libc::size_t;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::CString`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::ffi::CString;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::raw::c_char`
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use std::os::raw::c_char;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_protobuf` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn test_protobuf() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_gray_code` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn test_gray_code() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_hdlc` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn test_hdlc() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `protobuf_experiment` is never used
[INFO] [stdout]  --> src/protobuf_experiment.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn protobuf_experiment() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Line` is never constructed
[INFO] [stdout]   --> src/serial_port_test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Msg {
[INFO] [stdout]    |      --- variant in this enum
[INFO] [stdout] 21 |     Line(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Msg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WtfError` is never constructed
[INFO] [stdout]   --> src/serial_port_test.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct WtfError;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `epoch_seconds` is never used
[INFO] [stdout]   --> src/serial_port_test.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn epoch_seconds() -> Result<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_reader` is never used
[INFO] [stdout]   --> src/serial_port_test.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | async fn line_reader(reader: ReadHalf<SerialStream>, tx: Sender<Msg>) -> Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC_TAB` is never used
[INFO] [stdout]  --> src/crc.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CRC_TAB: &[u16] = &[
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crc` is never used
[INFO] [stdout]   --> src/crc.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn crc(mut sum: u16, seq: &[u8]) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADDRESS_CONTROL_CHECKSUM` is never used
[INFO] [stdout]   --> src/crc.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const ADDRESS_CONTROL_CHECKSUM: u16 = 0x3de3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_track_gray_code` is never used
[INFO] [stdout]  --> src/gray_code.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn single_track_gray_code() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_sending_accm` is never used
[INFO] [stdout]   --> src/hdlc.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn in_sending_accm(byte: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_receiving_accm` is never used
[INFO] [stdout]   --> src/hdlc.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn in_receiving_accm(byte: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_hdlc_ffi` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn init_hdlc_ffi() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hdlc_encode_ffi` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn hdlc_encode_ffi(packet: &[u8]) -> Result<Vec<u8>, isize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hdlc_find_frame_ffi` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn hdlc_find_frame_ffi(buffer: &[u8]) -> Result<&[u8], isize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hdlc_decode_ffi` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn hdlc_decode_ffi(frame: &[u8], packet: &mut [u8]) -> Result<usize, isize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_hdlc` is never used
[INFO] [stdout]  --> src/hdlc_ffi.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn init_hdlc();
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hdlc_encode` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn hdlc_encode(frame: *mut u8, frmsize: size_t, packet: *const u8, pktsize: size_t) -> ssize_t;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hdlc_find_frame` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn hdlc_find_frame(buffer: *const u8, bufsize: size_t, start: *mut off_t) -> ssize_t;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hdlc_decode` is never used
[INFO] [stdout]   --> src/hdlc_ffi.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn hdlc_decode(frame: *const u8, frmsize: size_t, packet: *mut u8, pktsize: size_t) -> ssize_t;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_protobuf` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn test_protobuf() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_gray_code` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn test_gray_code() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_hdlc` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn test_hdlc() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `protobuf_experiment` is never used
[INFO] [stdout]  --> src/protobuf_experiment.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn protobuf_experiment() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Line` is never constructed
[INFO] [stdout]   --> src/serial_port_test.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum Msg {
[INFO] [stdout]    |      --- variant in this enum
[INFO] [stdout] 21 |     Line(String),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Msg` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WtfError` is never constructed
[INFO] [stdout]   --> src/serial_port_test.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct WtfError;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `line_reader` is never used
[INFO] [stdout]   --> src/serial_port_test.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 | async fn line_reader(reader: ReadHalf<SerialStream>, tx: Sender<Msg>) -> Result<()> {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CRC_TAB` is never used
[INFO] [stdout]  --> src/crc.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const CRC_TAB: &[u16] = &[
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `crc` is never used
[INFO] [stdout]   --> src/crc.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn crc(mut sum: u16, seq: &[u8]) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADDRESS_CONTROL_CHECKSUM` is never used
[INFO] [stdout]   --> src/crc.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const ADDRESS_CONTROL_CHECKSUM: u16 = 0x3de3;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_track_gray_code` is never used
[INFO] [stdout]  --> src/gray_code.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn single_track_gray_code() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_sending_accm` is never used
[INFO] [stdout]   --> src/hdlc.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn in_sending_accm(byte: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `in_receiving_accm` is never used
[INFO] [stdout]   --> src/hdlc.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn in_receiving_accm(byte: u8) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.34s
[INFO] running `Command { std: "docker" "inspect" "004245fb8363b495363ec1ccd98c0eb712ab29d2b90b637db41b5892a6fcc6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004245fb8363b495363ec1ccd98c0eb712ab29d2b90b637db41b5892a6fcc6e6", kill_on_drop: false }`
[INFO] [stdout] 004245fb8363b495363ec1ccd98c0eb712ab29d2b90b637db41b5892a6fcc6e6
