[INFO] cloning repository https://github.com/thecubic/whiskers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thecubic/whiskers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecubic%2Fwhiskers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecubic%2Fwhiskers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15c52fa43ef89d2d818252f75da5b842dc6c07d9
[INFO] documenting thecubic/whiskers against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthecubic%2Fwhiskers" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thecubic/whiskers on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/thecubic/whiskers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded queues v1.1.0
[INFO] [stderr]   Downloaded libusb-sys v0.2.3
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded libusb v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a9cc0965f653fdd759ce54f64166e3042e1c25340ea43d3b79269959c7aec45e
[INFO] running `Command { std: "docker" "start" "-a" "a9cc0965f653fdd759ce54f64166e3042e1c25340ea43d3b79269959c7aec45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9cc0965f653fdd759ce54f64166e3042e1c25340ea43d3b79269959c7aec45e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9cc0965f653fdd759ce54f64166e3042e1c25340ea43d3b79269959c7aec45e", kill_on_drop: false }`
[INFO] [stdout] a9cc0965f653fdd759ce54f64166e3042e1c25340ea43d3b79269959c7aec45e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed44f872f6a6fd67feca46946f195d29a4f1d711d5a5d4ca568257537deb13bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed44f872f6a6fd67feca46946f195d29a4f1d711d5a5d4ca568257537deb13bf", kill_on_drop: false }`
[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 clap v2.33.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking whiskers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting whiskers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pkt`
[INFO] [stdout]    --> src/lib.rs:290:16
[INFO] [stdout]     |
[INFO] [stdout] 290 |             Ok(pkt) => {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_pkt`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pkt`
[INFO] [stdout]    --> src/lib.rs:308:16
[INFO] [stdout]     |
[INFO] [stdout] 308 |             Ok(pkt) => {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_pkt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/lib.rs:408:24
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn poke(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:408:35
[INFO] [stdout]     |
[INFO] [stdout] 408 |     pub fn poke(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/lib.rs:413:28
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn poke_reg(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:413:39
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn poke_reg(&self, addr: u16, data: u8) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mbx`
[INFO] [stdout]    --> src/lib.rs:423:24
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn send(&self, mbx: AppMailbox, cmd: SystemCommand) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_mbx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/lib.rs:423:41
[INFO] [stdout]     |
[INFO] [stdout] 423 |     pub fn send(&self, mbx: AppMailbox, cmd: SystemCommand) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mbx`
[INFO] [stdout]    --> src/lib.rs:427:24
[INFO] [stdout]     |
[INFO] [stdout] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_mbx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]    --> src/lib.rs:427:41
[INFO] [stdout]     |
[INFO] [stdout] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]    --> src/lib.rs:427:61
[INFO] [stdout]     |
[INFO] [stdout] 427 |     pub fn push(&self, mbx: AppMailbox, cmd: SystemCommand, payload: Vec<u8>) -> Result<(), libusb::Error> {
[INFO] [stdout]     |                                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:505:16
[INFO] [stdout]     |
[INFO] [stdout] 505 |             Ok(data) => Ok(RadioConfig{}),
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/lib.rs:617:19
[INFO] [stdout]     |
[INFO] [stdout] 617 |     fn from_bytes(v: Vec<u8>) -> Result<RadioConfig, libusb::Error> {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:680:9
[INFO] [stdout]     |
[INFO] [stdout] 680 |     let mut picked_addresses: bool;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:681:9
[INFO] [stdout]     |
[INFO] [stdout] 681 |     let mut addresses: HashSet<(u8, u8)>;
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:693:9
[INFO] [stdout]     |
[INFO] [stdout] 693 |     let mut picked_vps: bool;
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:694:9
[INFO] [stdout]     |
[INFO] [stdout] 694 |     let mut vps: HashSet<(u16, u16)>;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `radio_mode`
[INFO] [stdout]    --> src/lib.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     radio_mode: Option<RfState>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mailbox_queues`
[INFO] [stdout]    --> src/lib.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     mailbox_queues: HashMap<(AppMailbox, SystemCommand), Queue<RfCatPacket>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_bytes`
[INFO] [stdout]    --> src/lib.rs:617:8
[INFO] [stdout]     |
[INFO] [stdout] 617 |     fn from_bytes(v: Vec<u8>) -> Result<RadioConfig, libusb::Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_bytes`
[INFO] [stdout]    --> src/lib.rs:621:8
[INFO] [stdout]     |
[INFO] [stdout] 621 |     fn to_bytes(&self) -> Result<Vec<u8>, libusb::Error> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `BandTransitionsMHz`
[INFO] [stdout]    --> src/lib.rs:905:6
[INFO] [stdout]     |
[INFO] [stdout] 905 | enum BandTransitionsMHz {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `VCOTransitionsMHz`
[INFO] [stdout]    --> src/lib.rs:910:6
[INFO] [stdout]     |
[INFO] [stdout] 910 | enum VCOTransitionsMHz {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `SyncM`
[INFO] [stdout]    --> src/lib.rs:916:6
[INFO] [stdout]     |
[INFO] [stdout] 916 | enum SyncM {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `MainRadioControlState`
[INFO] [stdout]    --> src/lib.rs:926:6
[INFO] [stdout]     |
[INFO] [stdout] 926 | enum MainRadioControlState {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `PacketStatusRegister`
[INFO] [stdout]    --> src/lib.rs:952:6
[INFO] [stdout]     |
[INFO] [stdout] 952 | enum PacketStatusRegister {
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |         self.push(AppMailbox::AppSystem, SystemCommand::RFMode, vec![rfmode as u8]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:457:9
[INFO] [stdout]     |
[INFO] [stdout] 457 |         self.poke(Addresses::RfState as u16, rfmode as u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "ed44f872f6a6fd67feca46946f195d29a4f1d711d5a5d4ca568257537deb13bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed44f872f6a6fd67feca46946f195d29a4f1d711d5a5d4ca568257537deb13bf", kill_on_drop: false }`
[INFO] [stdout] ed44f872f6a6fd67feca46946f195d29a4f1d711d5a5d4ca568257537deb13bf
