[INFO] updating cached repository https://github.com/code0100fun/rust-hackrf
[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] f0c0906e883964a643bbebcdfb7c2fbe7ff777e2
[INFO] checking code0100fun/rust-hackrf against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcode0100fun%2Frust-hackrf" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/code0100fun/rust-hackrf on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/code0100fun/rust-hackrf
[INFO] finished tweaking git repo https://github.com/code0100fun/rust-hackrf
[INFO] tweaked toml for git repo https://github.com/code0100fun/rust-hackrf written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/code0100fun/rust-hackrf already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: path `/workspace/builds/worker-5/source/src/hackrf.rs` was erroneously implicitly accepted for library `hackrf`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] abec693a6495c45e7a18fe7f2d61d0a68bf88f8dfaedece02916e87fbe9f06bd
[INFO] running `"docker" "start" "-a" "abec693a6495c45e7a18fe7f2d61d0a68bf88f8dfaedece02916e87fbe9f06bd"`
[INFO] [stderr] warning: path `/opt/rustwide/workdir/src/hackrf.rs` was erroneously implicitly accepted for library `hackrf`,
[INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
[INFO] [stderr]     Checking hackrf v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected type, found `|`
[INFO] [stderr]   --> src/hackrf.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn open(opened:|HackRF|) {
[INFO] [stderr]    |                        ^ expected type
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/hackrf.rs:119:48
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn part_id(&self) -> Result<[uint32_t; 2u], String> {
[INFO] [stderr]     |                                                ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/hackrf.rs:130:50
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn serial_no(&self) -> Result<[uint32_t; 4u], String> {
[INFO] [stderr]     |                                                  ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/ffi.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub part_id: [uint32_t; 2u],
[INFO] [stderr]    |                             ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/ffi.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub serial_no: [uint32_t; 4u],
[INFO] [stderr]    |                               ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: expected type, found `|`
[INFO] [stderr]   --> src/hackrf.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn open(opened:|HackRF|) {
[INFO] [stderr]    |                        ^ expected type
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/hackrf.rs:119:48
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn part_id(&self) -> Result<[uint32_t; 2u], String> {
[INFO] [stderr]     |                                                ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]    --> src/hackrf.rs:130:50
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn serial_no(&self) -> Result<[uint32_t; 4u], String> {
[INFO] [stderr]     |                                                  ^^ invalid suffix `u`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/ffi.rs:50:29
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub part_id: [uint32_t; 2u],
[INFO] [stderr]    |                             ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/ffi.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub serial_no: [uint32_t; 4u],
[INFO] [stderr]    |                               ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::c_str`
[INFO] [stderr]  --> src/hackrf.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::c_str::ToCStr;
[INFO] [stderr]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/hackrf.rs:18:99
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let buffer = unsafe { std::vec::Vec::from_raw_buf(trans.buffer, trans.valid_length as uint) };
[INFO] [stderr]    |                                                                                                   ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `opened` in this scope
[INFO] [stderr]   --> src/hackrf.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 | ...                   opened(hackrf);
[INFO] [stderr]    |                       ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]  --> src/hackrf.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]  --> src/hackrf.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn part_id(&self) -> Result<[uint32_t; 2u], String> {
[INFO] [stderr]     |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn part_id(&self) -> Result<[uint32_t; 2u], String> {
[INFO] [stderr]     |                                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn serial_no(&self) -> Result<[uint32_t; 4u], String> {
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn serial_no(&self) -> Result<[uint32_t; 4u], String> {
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/hackrf.rs:141:37
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn set_freq(&self, freq_hz: uint64_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:141:37
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn set_freq(&self, freq_hz: uint64_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:141:57
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn set_freq(&self, freq_hz: uint64_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:151:44
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn set_sample_rate(&self, freq_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:151:44
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn set_sample_rate(&self, freq_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:151:64
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn set_sample_rate(&self, freq_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:161:63
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn set_baseband_filter_bandwidth(&self, bandwidth_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:161:63
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn set_baseband_filter_bandwidth(&self, bandwidth_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:161:83
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn set_baseband_filter_bandwidth(&self, bandwidth_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn set_vga_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn set_vga_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:171:63
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn set_vga_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn set_lna_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn set_lna_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:181:63
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn set_lna_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]   --> src/ffi.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[repr(C)]
[INFO] [stderr]    |        ^
[INFO] [stderr] 56 | pub type HackrfTransferCallback = extern "C" fn(transfer: *mut HackrfTransferT) -> c_int;
[INFO] [stderr]    | ----------------------------------------------------------------------------------------- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]   --> src/ffi.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[repr(C)]
[INFO] [stderr]    |        ^
[INFO] [stderr] 59 | pub type HackrfTransferContext = Option<Sender<Vec<u8>>>;
[INFO] [stderr]    | --------------------------------------------------------- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]    --> src/ffi.rs:61:8
[INFO] [stderr]     |
[INFO] [stderr] 61  |   #[repr(C)]
[INFO] [stderr]     |          ^
[INFO] [stderr] ...
[INFO] [stderr] 64  | / extern "C" {
[INFO] [stderr] 65  | |     pub fn hackrf_init() -> c_int;
[INFO] [stderr] 66  | |     pub fn hackrf_exit() -> c_int;
[INFO] [stderr] 67  | |     pub fn hackrf_open(device: & *mut HackrfDevice) -> c_int;
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr] 102 | | }
[INFO] [stderr]     | |_- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:39
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]  --> src/ffi.rs:5:62
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:62
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                              ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]  --> src/ffi.rs:5:71
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:71
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]  --> src/ffi.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]  --> src/ffi.rs:5:91
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:91
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type EnumHackrfError = c_int;
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const HACKRF_SUCCESS: c_int = 0;
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const HACKRF_TRUE: c_int = 1;
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const HACKRF_ERROR_INVALID_PARAM: c_int = -2;
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const HACKRF_ERROR_NOT_FOUND: c_int = -5;
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const HACKRF_ERROR_BUSY: c_int = -6;
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const HACKRF_ERROR_NO_MEM: c_int = -11;
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const HACKRF_ERROR_LIBUSB: c_int = -1000;
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const HACKRF_ERROR_THREAD: c_int = -1001;
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:17:46
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const HACKRF_ERROR_STREAMING_THREAD_ERR: c_int = -1002;
[INFO] [stderr]    |                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const HACKRF_ERROR_STREAMING_STOPPED: c_int = -1003;
[INFO] [stderr]    |                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const HACKRF_ERROR_STREAMING_EXIT_CALLED: c_int = -1004;
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const HACKRF_ERROR_OTHER: c_int = -9999;
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type EnumHackrfBoardId = uint8_t;
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type EnumHackrfBoardId = uint8_t;
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub const BOARD_ID_JELLYBEAN: c_uint = 0;
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const BOARD_ID_JAWBREAKER: c_uint = 1;
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub const BOARD_ID_HACKRF_ONE: c_uint = 2;
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const BOARD_ID_INVALID: c_uint = 255;
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub type EnumRfPathFilter = c_uint;
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const RF_PATH_FILTER_BYPASS: c_uint = 0;
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const RF_PATH_FILTER_LOW_PASS: c_uint = 1;
[INFO] [stderr]    |                                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const RF_PATH_FILTER_HIGH_PASS: c_uint = 2;
[INFO] [stderr]    |                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub buffer: *mut uint8_t,
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub buffer: *mut uint8_t,
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub buffer_length: c_int,
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub valid_length: c_int,
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:56:84
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub type HackrfTransferCallback = extern "C" fn(transfer: *mut HackrfTransferT) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn hackrf_init() -> c_int;
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn hackrf_exit() -> c_int;
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:67:56
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn hackrf_open(device: & *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:68:55
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn hackrf_close(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:69:120
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn hackrf_start_rx(device: *mut HackrfDevice, callback: HackrfTransferCallback, rx: &HackrfTransferContext) -> c_int;
[INFO] [stderr]    |                                                                                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:70:57
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn hackrf_stop_rx(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:71:113
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn hackrf_start_tx(device: *mut HackrfDevice, callback: HackrfTransferCallback, tx_ctx: *mut c_void) -> c_int;
[INFO] [stderr]    |                                                                                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:72:57
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn hackrf_stop_tx(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:73:62
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn hackrf_is_streaming(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:74:76
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:74:76
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:74:97
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:74:97
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:74:110
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:75:77
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:75:77
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:75:93
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:75:93
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:75:106
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:76:76
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:76:76
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:76:98
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:76:98
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:76:111
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:77:77
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:77:77
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:77:94
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:77:94
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:77:107
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:78:90
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn hackrf_set_baseband_filter_bandwidth(device: *mut HackrfDevice, bandwidth_hz: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:78:90
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn hackrf_set_baseband_filter_bandwidth(device: *mut HackrfDevice, bandwidth_hz: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:78:103
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn hackrf_set_baseband_filter_bandwidth(device: *mut HackrfDevice, bandwidth_hz: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:79:77
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:79:77
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:79:98
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:79:98
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:79:111
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:80:78
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:80:78
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:80:94
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:80:94
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:80:107
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:81:64
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn hackrf_spiflash_erase(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:82:70
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:70
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:82:88
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:88
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:109
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:121
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:83:69
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:69
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:83:87
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:87
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:108
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:120
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:84:68
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn hackrf_cpld_write(device: *mut HackrfDevice, data: *mut c_uchar, total_length: c_uint) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:84:91
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn hackrf_cpld_write(device: *mut HackrfDevice, data: *mut c_uchar, total_length: c_uint) -> c_int;
[INFO] [stderr]    |                                                                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:84:102
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn hackrf_cpld_write(device: *mut HackrfDevice, data: *mut c_uchar, total_length: c_uint) -> c_int;
[INFO] [stderr]    |                                                                                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:85:72
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn hackrf_board_id_read(device: *mut HackrfDevice, value: *mut uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:85:72
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn hackrf_board_id_read(device: *mut HackrfDevice, value: *mut uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:85:84
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn hackrf_board_id_read(device: *mut HackrfDevice, value: *mut uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:86:80
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:86:96
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:86:96
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:86:108
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:87:64
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn hackrf_set_freq(device: *mut HackrfDevice, freq_hz: uint64_t) -> c_int;
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:87:64
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn hackrf_set_freq(device: *mut HackrfDevice, freq_hz: uint64_t) -> c_int;
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:87:77
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn hackrf_set_freq(device: *mut HackrfDevice, freq_hz: uint64_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:88:76
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:88:76
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:88:98
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:88:98
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:88:135
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                                                                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:89:78
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:89:78
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:89:97
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:89:97
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:89:110
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:90:71
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn hackrf_set_sample_rate(device: *mut HackrfDevice, freq_hz: c_double) -> c_int;
[INFO] [stderr]    |                                                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:90:84
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn hackrf_set_sample_rate(device: *mut HackrfDevice, freq_hz: c_double) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:91:68
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn hackrf_set_amp_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:91:68
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn hackrf_set_amp_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:91:80
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn hackrf_set_amp_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:92:124
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn hackrf_board_partid_serialno_read(device: *mut HackrfDevice, read_partid_serialno: *mut ReadPartidSerialnoT) -> c_int;
[INFO] [stderr]    |                                                                                                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:93:66
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn hackrf_set_lna_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:93:66
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn hackrf_set_lna_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:93:79
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn hackrf_set_lna_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:94:66
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn hackrf_set_vga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:94:66
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn hackrf_set_vga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:94:79
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn hackrf_set_vga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:95:68
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn hackrf_set_txvga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:95:68
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn hackrf_set_txvga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:95:81
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn hackrf_set_txvga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:96:72
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn hackrf_set_antenna_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:96:72
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn hackrf_set_antenna_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:96:84
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn hackrf_set_antenna_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:97:66
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn hackrf_error_name(errcode: EnumHackrfError) -> *const c_char;
[INFO] [stderr]    |                                                                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:98:72
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hackrf_board_id_name(board_id: EnumHackrfBoardId) -> *const c_char;
[INFO] [stderr]    |                                                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:99:70
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn hackrf_filter_path_name(path: EnumRfPathFilter) -> *const c_char;
[INFO] [stderr]    |                                                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:100:74
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:100:74
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::c_str`
[INFO] [stderr]  --> src/hackrf.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::c_str::ToCStr;
[INFO] [stderr]   |          ^^^^^ could not find `c_str` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:100:87
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:100:87
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:101:60
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:101:60
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:101:73
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:101:73
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub part_id: [uint32_t; 2u],
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub part_id: [uint32_t; 2u],
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub serial_no: [uint32_t; 4u],
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub serial_no: [uint32_t; 4u],
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/hackrf.rs:18:99
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let buffer = unsafe { std::vec::Vec::from_raw_buf(trans.buffer, trans.valid_length as uint) };
[INFO] [stderr]    |                                                                                                   ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `opened` in this scope
[INFO] [stderr]   --> src/hackrf.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 | ...                   opened(hackrf);
[INFO] [stderr]    |                       ^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]  --> src/hackrf.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]  --> src/hackrf.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/hackrf.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | use libc::{c_int, uint32_t, uint64_t};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn part_id(&self) -> Result<[uint32_t; 2u], String> {
[INFO] [stderr]     |                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:119:38
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn part_id(&self) -> Result<[uint32_t; 2u], String> {
[INFO] [stderr]     |                                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn serial_no(&self) -> Result<[uint32_t; 4u], String> {
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:130:40
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn serial_no(&self) -> Result<[uint32_t; 4u], String> {
[INFO] [stderr]     |                                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]    --> src/hackrf.rs:141:37
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn set_freq(&self, freq_hz: uint64_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:141:37
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn set_freq(&self, freq_hz: uint64_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:141:57
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn set_freq(&self, freq_hz: uint64_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:151:44
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn set_sample_rate(&self, freq_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:151:44
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn set_sample_rate(&self, freq_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:151:64
[INFO] [stderr]     |
[INFO] [stderr] 151 |     pub fn set_sample_rate(&self, freq_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:161:63
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn set_baseband_filter_bandwidth(&self, bandwidth_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:161:63
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn set_baseband_filter_bandwidth(&self, bandwidth_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:161:83
[INFO] [stderr]     |
[INFO] [stderr] 161 |     pub fn set_baseband_filter_bandwidth(&self, bandwidth_hz: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn set_vga_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn set_vga_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:171:63
[INFO] [stderr]     |
[INFO] [stderr] 171 |     pub fn set_vga_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/hackrf.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn set_lna_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:181:43
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn set_lna_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/hackrf.rs:181:63
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn set_lna_gain(&mut self, value: uint32_t) -> Result<c_int, String> {
[INFO] [stderr]     |                                                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]   --> src/ffi.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[repr(C)]
[INFO] [stderr]    |        ^
[INFO] [stderr] 56 | pub type HackrfTransferCallback = extern "C" fn(transfer: *mut HackrfTransferT) -> c_int;
[INFO] [stderr]    | ----------------------------------------------------------------------------------------- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]   --> src/ffi.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[repr(C)]
[INFO] [stderr]    |        ^
[INFO] [stderr] 59 | pub type HackrfTransferContext = Option<Sender<Vec<u8>>>;
[INFO] [stderr]    | --------------------------------------------------------- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error[E0517]: attribute should be applied to struct, enum, or union
[INFO] [stderr]    --> src/ffi.rs:61:8
[INFO] [stderr]     |
[INFO] [stderr] 61  |   #[repr(C)]
[INFO] [stderr]     |          ^
[INFO] [stderr] ...
[INFO] [stderr] 64  | / extern "C" {
[INFO] [stderr] 65  | |     pub fn hackrf_init() -> c_int;
[INFO] [stderr] 66  | |     pub fn hackrf_exit() -> c_int;
[INFO] [stderr] 67  | |     pub fn hackrf_open(device: & *mut HackrfDevice) -> c_int;
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr] 102 | | }
[INFO] [stderr]     | |_- not a struct, enum, or union
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate libc;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:39
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:46
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]  --> src/ffi.rs:5:62
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:62
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                              ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]  --> src/ffi.rs:5:71
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:71
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                       ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]  --> src/ffi.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:81
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                 ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]  --> src/ffi.rs:5:91
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:5:91
[INFO] [stderr]   |
[INFO] [stderr] 5 | use libc::{c_char, c_uchar, c_double, c_int, c_uint, c_void, uint8_t, uint16_t, uint32_t, uint64_t};
[INFO] [stderr]   |                                                                                           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub type EnumHackrfError = c_int;
[INFO] [stderr]   |                            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]  --> src/ffi.rs:9:27
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const HACKRF_SUCCESS: c_int = 0;
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub const HACKRF_TRUE: c_int = 1;
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub const HACKRF_ERROR_INVALID_PARAM: c_int = -2;
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:12:35
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const HACKRF_ERROR_NOT_FOUND: c_int = -5;
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const HACKRF_ERROR_BUSY: c_int = -6;
[INFO] [stderr]    |                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const HACKRF_ERROR_NO_MEM: c_int = -11;
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:15:32
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const HACKRF_ERROR_LIBUSB: c_int = -1000;
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:16:32
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const HACKRF_ERROR_THREAD: c_int = -1001;
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:17:46
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const HACKRF_ERROR_STREAMING_THREAD_ERR: c_int = -1002;
[INFO] [stderr]    |                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:18:43
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const HACKRF_ERROR_STREAMING_STOPPED: c_int = -1003;
[INFO] [stderr]    |                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub const HACKRF_ERROR_STREAMING_EXIT_CALLED: c_int = -1004;
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub const HACKRF_ERROR_OTHER: c_int = -9999;
[INFO] [stderr]    |                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type EnumHackrfBoardId = uint8_t;
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub type EnumHackrfBoardId = uint8_t;
[INFO] [stderr]    |                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:22:31
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub const BOARD_ID_JELLYBEAN: c_uint = 0;
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub const BOARD_ID_JAWBREAKER: c_uint = 1;
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub const BOARD_ID_HACKRF_ONE: c_uint = 2;
[INFO] [stderr]    |                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub const BOARD_ID_INVALID: c_uint = 255;
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:26:29
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub type EnumRfPathFilter = c_uint;
[INFO] [stderr]    |                             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:27:34
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub const RF_PATH_FILTER_BYPASS: c_uint = 0;
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:28:36
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub const RF_PATH_FILTER_LOW_PASS: c_uint = 1;
[INFO] [stderr]    |                                    ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub const RF_PATH_FILTER_HIGH_PASS: c_uint = 2;
[INFO] [stderr]    |                                     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub buffer: *mut uint8_t,
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub buffer: *mut uint8_t,
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:40:24
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub buffer_length: c_int,
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub valid_length: c_int,
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:56:84
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub type HackrfTransferCallback = extern "C" fn(transfer: *mut HackrfTransferT) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:65:29
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn hackrf_init() -> c_int;
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:66:29
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn hackrf_exit() -> c_int;
[INFO] [stderr]    |                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:67:56
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn hackrf_open(device: & *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:68:55
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn hackrf_close(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:69:120
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn hackrf_start_rx(device: *mut HackrfDevice, callback: HackrfTransferCallback, rx: &HackrfTransferContext) -> c_int;
[INFO] [stderr]    |                                                                                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:70:57
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn hackrf_stop_rx(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:71:113
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn hackrf_start_tx(device: *mut HackrfDevice, callback: HackrfTransferCallback, tx_ctx: *mut c_void) -> c_int;
[INFO] [stderr]    |                                                                                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:72:57
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn hackrf_stop_tx(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:73:62
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn hackrf_is_streaming(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:74:76
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:74:76
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:74:97
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:74:97
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:74:110
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn hackrf_max2837_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:75:77
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `ffi::StructHackrfDevice: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/ffi.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[derive(Copy)]
[INFO] [stderr]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `ffi::StructHackrfDevice`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:75:77
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:75:93
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:75:93
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:75:106
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn hackrf_max2837_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:76:76
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:76:76
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:76:98
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:76:98
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:76:111
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn hackrf_si5351c_read(device: *mut HackrfDevice, register_number: uint16_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:77:77
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `ffi::read_partid_serialno: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/ffi.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 | #[derive(Copy)]
[INFO] [stderr]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `ffi::read_partid_serialno`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:77:77
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:77:94
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:77:94
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:77:107
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn hackrf_si5351c_write(device: *mut HackrfDevice, register_number: uint16_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:78:90
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn hackrf_set_baseband_filter_bandwidth(device: *mut HackrfDevice, bandwidth_hz: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:78:90
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn hackrf_set_baseband_filter_bandwidth(device: *mut HackrfDevice, bandwidth_hz: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:78:103
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn hackrf_set_baseband_filter_bandwidth(device: *mut HackrfDevice, bandwidth_hz: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:79:77
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:79:77
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:79:98
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:79:98
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 141 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0517, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:79:111
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn hackrf_rffc5071_read(device: *mut HackrfDevice, register_number: uint8_t, value: *mut uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:80:78
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:80:78
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:80:94
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:80:94
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:80:107
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn hackrf_rffc5071_write(device: *mut HackrfDevice, register_number: uint8_t, value: uint16_t) -> c_int;
[INFO] [stderr]    |                                                                                                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:81:64
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn hackrf_spiflash_erase(device: *mut HackrfDevice) -> c_int;
[INFO] [stderr]    |                                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:82:70
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:70
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                      ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:82:88
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:88
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:109
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                             ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:82:121
[INFO] [stderr]    |
[INFO] [stderr] 82 |     pub fn hackrf_spiflash_write(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:83:69
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:69
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint16_t': Use u16 instead.
[INFO] [stderr]   --> src/ffi.rs:83:87
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:87
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:108
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:83:120
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn hackrf_spiflash_read(device: *mut HackrfDevice, address: uint32_t, length: uint16_t, data: *mut c_uchar) -> c_int;
[INFO] [stderr]    |                                                                                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:84:68
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn hackrf_cpld_write(device: *mut HackrfDevice, data: *mut c_uchar, total_length: c_uint) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:84:91
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn hackrf_cpld_write(device: *mut HackrfDevice, data: *mut c_uchar, total_length: c_uint) -> c_int;
[INFO] [stderr]    |                                                                                           ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:84:102
[INFO] [stderr]    |
[INFO] [stderr] 84 |     pub fn hackrf_cpld_write(device: *mut HackrfDevice, data: *mut c_uchar, total_length: c_uint) -> c_int;
[INFO] [stderr]    |                                                                                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:85:72
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn hackrf_board_id_read(device: *mut HackrfDevice, value: *mut uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:85:72
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn hackrf_board_id_read(device: *mut HackrfDevice, value: *mut uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:85:84
[INFO] [stderr]    |
[INFO] [stderr] 85 |     pub fn hackrf_board_id_read(device: *mut HackrfDevice, value: *mut uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:86:80
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:86:96
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:86:96
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:86:108
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn hackrf_version_string_read(device: *mut HackrfDevice, version: *mut c_char, length: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:87:64
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn hackrf_set_freq(device: *mut HackrfDevice, freq_hz: uint64_t) -> c_int;
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:87:64
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn hackrf_set_freq(device: *mut HackrfDevice, freq_hz: uint64_t) -> c_int;
[INFO] [stderr]    |                                                                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:87:77
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn hackrf_set_freq(device: *mut HackrfDevice, freq_hz: uint64_t) -> c_int;
[INFO] [stderr]    |                                                                             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:88:76
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:88:76
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                            ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint64_t': Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:88:98
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:88:98
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:88:135
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn hackrf_set_freq_explicit(device: *mut HackrfDevice, if_freq_hz: uint64_t, lo_freq_hz: uint64_t, path: EnumRfPathFilter) -> c_int;
[INFO] [stderr]    |                                                                                                                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:89:78
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:89:78
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:89:97
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:89:97
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:89:110
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn hackrf_set_sample_rate_manual(device: *mut HackrfDevice, freq_hz: uint32_t, divider: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                                              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:90:71
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn hackrf_set_sample_rate(device: *mut HackrfDevice, freq_hz: c_double) -> c_int;
[INFO] [stderr]    |                                                                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:90:84
[INFO] [stderr]    |
[INFO] [stderr] 90 |     pub fn hackrf_set_sample_rate(device: *mut HackrfDevice, freq_hz: c_double) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:91:68
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn hackrf_set_amp_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:91:68
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn hackrf_set_amp_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:91:80
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn hackrf_set_amp_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:92:124
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn hackrf_board_partid_serialno_read(device: *mut HackrfDevice, read_partid_serialno: *mut ReadPartidSerialnoT) -> c_int;
[INFO] [stderr]    |                                                                                                                            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:93:66
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn hackrf_set_lna_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:93:66
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn hackrf_set_lna_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:93:79
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn hackrf_set_lna_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:94:66
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn hackrf_set_vga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:94:66
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn hackrf_set_vga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:94:79
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub fn hackrf_set_vga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:95:68
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn hackrf_set_txvga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:95:68
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn hackrf_set_txvga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                    ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:95:81
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn hackrf_set_txvga_gain(device: *mut HackrfDevice, value: uint32_t) -> c_int;
[INFO] [stderr]    |                                                                                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint8_t': Use u8 instead.
[INFO] [stderr]   --> src/ffi.rs:96:72
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn hackrf_set_antenna_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:96:72
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn hackrf_set_antenna_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:96:84
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn hackrf_set_antenna_enable(device: *mut HackrfDevice, value: uint8_t) -> c_int;
[INFO] [stderr]    |                                                                                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:97:66
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn hackrf_error_name(errcode: EnumHackrfError) -> *const c_char;
[INFO] [stderr]    |                                                                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:98:72
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn hackrf_board_id_name(board_id: EnumHackrfBoardId) -> *const c_char;
[INFO] [stderr]    |                                                                        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:99:70
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn hackrf_filter_path_name(path: EnumRfPathFilter) -> *const c_char;
[INFO] [stderr]    |                                                                      ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:100:74
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:100:74
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:100:87
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                                       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:100:87
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub fn hackrf_compute_baseband_filter_bw_round_down_lt(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                                       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:101:60
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:101:60
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                            ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]    --> src/ffi.rs:101:73
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]    --> src/ffi.rs:101:73
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn hackrf_compute_baseband_filter_bw(bandwidth_hz: uint32_t) -> uint32_t;
[INFO] [stderr]     |                                                                         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub part_id: [uint32_t; 2u],
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub part_id: [uint32_t; 2u],
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'libc::uint32_t': Use u32 instead.
[INFO] [stderr]   --> src/ffi.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub serial_no: [uint32_t; 4u],
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'rustc_private': this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stderr]   --> src/ffi.rs:51:21
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub serial_no: [uint32_t; 4u],
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stderr]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `hackrf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `ffi::StructHackrfDevice: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/ffi.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[derive(Copy)]
[INFO] [stderr]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `ffi::StructHackrfDevice`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `ffi::read_partid_serialno: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/ffi.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 | #[derive(Copy)]
[INFO] [stderr]    |          ^^^^ the trait `std::clone::Clone` is not implemented for `ffi::read_partid_serialno`
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 141 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0412, E0425, E0432, E0517, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `hackrf`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "abec693a6495c45e7a18fe7f2d61d0a68bf88f8dfaedece02916e87fbe9f06bd"`
[INFO] running `"docker" "rm" "-f" "abec693a6495c45e7a18fe7f2d61d0a68bf88f8dfaedece02916e87fbe9f06bd"`
[INFO] [stdout] abec693a6495c45e7a18fe7f2d61d0a68bf88f8dfaedece02916e87fbe9f06bd
