[INFO] updating cached repository https://github.com/thecubic/whiskers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 15c52fa43ef89d2d818252f75da5b842dc6c07d9
[INFO] checking thecubic/whiskers against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecubic%2Fwhiskers" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thecubic/whiskers on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/thecubic/whiskers
[INFO] finished tweaking git repo https://github.com/thecubic/whiskers
[INFO] tweaked toml for git repo https://github.com/thecubic/whiskers written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thecubic/whiskers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1561794e5ea8d19468ecd271cfa837b3bb61f2a3ecaee2e64a098a99f2b97b56
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1561794e5ea8d19468ecd271cfa837b3bb61f2a3ecaee2e64a098a99f2b97b56"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking queues v1.1.0
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking whiskers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pkt`
[INFO] [stderr]    --> src/lib.rs:290:16
[INFO] [stderr]     |
[INFO] [stderr] 290 |             Ok(pkt) => {
[INFO] [stderr]     |                ^^^ help: consider prefixing with an underscore: `_pkt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pkt`
[INFO] [stderr]    --> src/lib.rs:308:16
[INFO] [stderr]     |
[INFO] [stderr] 308 |             Ok(pkt) => {
[INFO] [stderr]     |                ^^^ help: consider prefixing with an underscore: `_pkt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/lib.rs:408:24
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn poke(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:408:35
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn poke(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                   ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/lib.rs:413:28
[INFO] [stderr]     |
[INFO] [stderr] 413 |     pub fn poke_reg(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:413:39
[INFO] [stderr]     |
[INFO] [stderr] 413 |     pub fn poke_reg(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                       ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mbx`
[INFO] [stderr]    --> src/lib.rs:423:24
[INFO] [stderr]     |
[INFO] [stderr] 423 |     pub fn send(&self, mbx: AppMailbox, cmd: SystemCommand) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_mbx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/lib.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 |     pub fn send(&self, mbx: AppMailbox, cmd: SystemCommand) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                         ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mbx`
[INFO] [stderr]    --> src/lib.rs:427:24
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_mbx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/lib.rs:427:41
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                         ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]    --> src/lib.rs:427:61
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                                             ^^^^^^^ help: consider prefixing with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:505:16
[INFO] [stderr]     |
[INFO] [stderr] 505 |             Ok(data) => Ok(RadioConfig{}),
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/lib.rs:617:19
[INFO] [stderr]     |
[INFO] [stderr] 617 |     fn from_bytes(v: Vec<u8>) -> Result<RadioConfig, libusb::Error> {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pkt`
[INFO] [stderr]    --> src/lib.rs:290:16
[INFO] [stderr]     |
[INFO] [stderr] 290 |             Ok(pkt) => {
[INFO] [stderr]     |                ^^^ help: consider prefixing with an underscore: `_pkt`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pkt`
[INFO] [stderr]    --> src/lib.rs:308:16
[INFO] [stderr]     |
[INFO] [stderr] 308 |             Ok(pkt) => {
[INFO] [stderr]     |                ^^^ help: consider prefixing with an underscore: `_pkt`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/lib.rs:408:24
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn poke(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:408:35
[INFO] [stderr]     |
[INFO] [stderr] 408 |     pub fn poke(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                   ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]    --> src/lib.rs:413:28
[INFO] [stderr]     |
[INFO] [stderr] 413 |     pub fn poke_reg(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:413:39
[INFO] [stderr]     |
[INFO] [stderr] 413 |     pub fn poke_reg(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                       ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mbx`
[INFO] [stderr]    --> src/lib.rs:423:24
[INFO] [stderr]     |
[INFO] [stderr] 423 |     pub fn send(&self, mbx: AppMailbox, cmd: SystemCommand) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_mbx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/lib.rs:423:41
[INFO] [stderr]     |
[INFO] [stderr] 423 |     pub fn send(&self, mbx: AppMailbox, cmd: SystemCommand) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                         ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mbx`
[INFO] [stderr]    --> src/lib.rs:427:24
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                        ^^^ help: consider prefixing with an underscore: `_mbx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]    --> src/lib.rs:427:41
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                         ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `payload`
[INFO] [stderr]    --> src/lib.rs:427:61
[INFO] [stderr]     |
[INFO] [stderr] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stderr]     |                                                             ^^^^^^^ help: consider prefixing with an underscore: `_payload`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/lib.rs:505:16
[INFO] [stderr]     |
[INFO] [stderr] 505 |             Ok(data) => Ok(RadioConfig{}),
[INFO] [stderr]     |                ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/lib.rs:617:19
[INFO] [stderr]     |
[INFO] [stderr] 617 |     fn from_bytes(v: Vec<u8>) -> Result<RadioConfig, libusb::Error> {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:680:9
[INFO] [stderr]     |
[INFO] [stderr] 680 |     let mut picked_addresses: bool;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:681:9
[INFO] [stderr]     |
[INFO] [stderr] 681 |     let mut addresses: HashSet<(u8, u8)>;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:693:9
[INFO] [stderr]     |
[INFO] [stderr] 693 |     let mut picked_vps: bool;
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:694:9
[INFO] [stderr]     |
[INFO] [stderr] 694 |     let mut vps: HashSet<(u16, u16)>;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `radio_mode`
[INFO] [stderr]    --> src/lib.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     radio_mode: Option<RfState>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `mailbox_queues`
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     mailbox_queues: HashMap<(AppMailbox, SystemCommand), Queue<RfCatPacket>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]    --> src/lib.rs:617:5
[INFO] [stderr]     |
[INFO] [stderr] 617 |     fn from_bytes(v: Vec<u8>) -> Result<RadioConfig, libusb::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_bytes`
[INFO] [stderr]    --> src/lib.rs:621:5
[INFO] [stderr]     |
[INFO] [stderr] 621 |     fn to_bytes(&self) -> Result<Vec<u8>, libusb::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `BandTransitionsMHz`
[INFO] [stderr]    --> src/lib.rs:905:1
[INFO] [stderr]     |
[INFO] [stderr] 905 | enum BandTransitionsMHz {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `VCOTransitionsMHz`
[INFO] [stderr]    --> src/lib.rs:910:1
[INFO] [stderr]     |
[INFO] [stderr] 910 | enum VCOTransitionsMHz {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SyncM`
[INFO] [stderr]    --> src/lib.rs:916:1
[INFO] [stderr]     |
[INFO] [stderr] 916 | enum SyncM {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MainRadioControlState`
[INFO] [stderr]    --> src/lib.rs:926:1
[INFO] [stderr]     |
[INFO] [stderr] 926 | enum MainRadioControlState {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `PacketStatusRegister`
[INFO] [stderr]    --> src/lib.rs:952:1
[INFO] [stderr]     |
[INFO] [stderr] 952 | enum PacketStatusRegister {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |         self.push(AppMailbox::AppSystem, SystemCommand::RFMode, vec![rfmode as u8]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:457:9
[INFO] [stderr]     |
[INFO] [stderr] 457 |         self.poke(Addresses::RfState as u16, rfmode as u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:680:9
[INFO] [stderr]     |
[INFO] [stderr] 680 |     let mut picked_addresses: bool;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:681:9
[INFO] [stderr]     |
[INFO] [stderr] 681 |     let mut addresses: HashSet<(u8, u8)>;
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:693:9
[INFO] [stderr]     |
[INFO] [stderr] 693 |     let mut picked_vps: bool;
[INFO] [stderr]     |         ----^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:694:9
[INFO] [stderr]     |
[INFO] [stderr] 694 |     let mut vps: HashSet<(u16, u16)>;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `radio_mode`
[INFO] [stderr]    --> src/lib.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     radio_mode: Option<RfState>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `mailbox_queues`
[INFO] [stderr]    --> src/lib.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     mailbox_queues: HashMap<(AppMailbox, SystemCommand), Queue<RfCatPacket>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_bytes`
[INFO] [stderr]    --> src/lib.rs:617:5
[INFO] [stderr]     |
[INFO] [stderr] 617 |     fn from_bytes(v: Vec<u8>) -> Result<RadioConfig, libusb::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_bytes`
[INFO] [stderr]    --> src/lib.rs:621:5
[INFO] [stderr]     |
[INFO] [stderr] 621 |     fn to_bytes(&self) -> Result<Vec<u8>, libusb::Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `BandTransitionsMHz`
[INFO] [stderr]    --> src/lib.rs:905:1
[INFO] [stderr]     |
[INFO] [stderr] 905 | enum BandTransitionsMHz {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `VCOTransitionsMHz`
[INFO] [stderr]    --> src/lib.rs:910:1
[INFO] [stderr]     |
[INFO] [stderr] 910 | enum VCOTransitionsMHz {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `SyncM`
[INFO] [stderr]    --> src/lib.rs:916:1
[INFO] [stderr]     |
[INFO] [stderr] 916 | enum SyncM {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `MainRadioControlState`
[INFO] [stderr]    --> src/lib.rs:926:1
[INFO] [stderr]     |
[INFO] [stderr] 926 | enum MainRadioControlState {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `PacketStatusRegister`
[INFO] [stderr]    --> src/lib.rs:952:1
[INFO] [stderr]     |
[INFO] [stderr] 952 | enum PacketStatusRegister {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:434:9
[INFO] [stderr]     |
[INFO] [stderr] 434 |         self.push(AppMailbox::AppSystem, SystemCommand::RFMode, vec![rfmode as u8]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:457:9
[INFO] [stderr]     |
[INFO] [stderr] 457 |         self.poke(Addresses::RfState as u16, rfmode as u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/bin/whiskers-bl.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `whiskers::RFCatBLDevice`
[INFO] [stderr]   --> src/bin/whiskers-bl.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use whiskers::RFCatBLDevice;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/bin/whiskers-bl.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `whiskers::RFCatBLDevice`
[INFO] [stderr]   --> src/bin/whiskers-bl.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use whiskers::RFCatBLDevice;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.83s
[INFO] running `"docker" "inspect" "1561794e5ea8d19468ecd271cfa837b3bb61f2a3ecaee2e64a098a99f2b97b56"`
[INFO] running `"docker" "rm" "-f" "1561794e5ea8d19468ecd271cfa837b3bb61f2a3ecaee2e64a098a99f2b97b56"`
[INFO] [stdout] 1561794e5ea8d19468ecd271cfa837b3bb61f2a3ecaee2e64a098a99f2b97b56