[INFO] fetching crate libusb 0.3.0...
[INFO] building libusb-0.3.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate libusb 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libusb 0.3.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libusb 0.3.0
[INFO] finished tweaking crates.io crate libusb 0.3.0
[INFO] tweaked toml for crates.io crate libusb 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libusb-sys v0.2.3
[INFO] [stderr]   Downloaded bit-set v0.2.0
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c5f7f218facbb8c137181c8ebe2e4e084b64848cecc017d02c4ab4379d0001f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c5f7f218facbb8c137181c8ebe2e4e084b64848cecc017d02c4ab4379d0001f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5f7f218facbb8c137181c8ebe2e4e084b64848cecc017d02c4ab4379d0001f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5f7f218facbb8c137181c8ebe2e4e084b64848cecc017d02c4ab4379d0001f", kill_on_drop: false }`
[INFO] [stdout] 6c5f7f218facbb8c137181c8ebe2e4e084b64848cecc017d02c4ab4379d0001f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ca43dcc8fa18e7608c755686f6ac3eda7c47675d05b36375a9e7766151f2c0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2ca43dcc8fa18e7608c755686f6ac3eda7c47675d05b36375a9e7766151f2c0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling bit-set v0.2.0
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]    Compiling libusb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_handle.rs:410:19
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let len = try!(self.read_control(request_type(Direction::In, RequestType::Standard, Recipient::Device),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_handle.rs:437:19
[INFO] [stdout]     |
[INFO] [stdout] 437 |         let len = try!(self.read_control(request_type(Direction::In, RequestType::Standard, Recipient::Device),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/context.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut context = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/context.rs:74:60
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut list: *const *mut libusb_device = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut descriptor: libusb_device_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:44:68
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut config: *const libusb_config_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:53:68
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut config: *const libusb_config_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:83:62
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut handle: *mut libusb_device_handle = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device_handle.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut config = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:145:47
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:191:47
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:239:47
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:285:47
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/device_handle.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let mut buf_slice = unsafe {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/device_handle.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let mut buf_slice = unsafe {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "2ca43dcc8fa18e7608c755686f6ac3eda7c47675d05b36375a9e7766151f2c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ca43dcc8fa18e7608c755686f6ac3eda7c47675d05b36375a9e7766151f2c0d", kill_on_drop: false }`
[INFO] [stdout] 2ca43dcc8fa18e7608c755686f6ac3eda7c47675d05b36375a9e7766151f2c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 903298c29b68b9cf85e36eb51cfe840995fd185e4d753d25deb49b015d26bd2f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "903298c29b68b9cf85e36eb51cfe840995fd185e4d753d25deb49b015d26bd2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_handle.rs:410:19
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let len = try!(self.read_control(request_type(Direction::In, RequestType::Standard, Recipient::Device),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_handle.rs:437:19
[INFO] [stdout]     |
[INFO] [stdout] 437 |         let len = try!(self.read_control(request_type(Direction::In, RequestType::Standard, Recipient::Device),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/context.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut context = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/context.rs:74:60
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut list: *const *mut libusb_device = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut descriptor: libusb_device_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:44:68
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut config: *const libusb_config_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:53:68
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut config: *const libusb_config_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:83:62
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut handle: *mut libusb_device_handle = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device_handle.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut config = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:145:47
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:191:47
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:239:47
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:285:47
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/device_handle.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let mut buf_slice = unsafe {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/device_handle.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let mut buf_slice = unsafe {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling libusb v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_device.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     try!(handle.reset());
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_device.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let languages = try!(handle.read_languages(timeout));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/read_device.rs:66:42
[INFO] [stdout]    |
[INFO] [stdout] 66 |     println!("Active configuration: {}", try!(handle.active_configuration()));
[INFO] [stdout]    |                                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> examples/read_device.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     try!(handle.set_active_configuration(endpoint.config));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> examples/read_device.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     try!(handle.claim_interface(endpoint.iface));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> examples/read_device.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     try!(handle.set_alternate_setting(endpoint.iface, endpoint.setting));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/list_devices.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let context = try!(libusb::Context::new());
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/list_devices.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     for device in try!(context.devices()).iter() {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> examples/read_device.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut buf = unsafe { slice::from_raw_parts_mut((&mut vec[..]).as_mut_ptr(), vec.capacity()) };
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_handle.rs:410:19
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let len = try!(self.read_control(request_type(Direction::In, RequestType::Standard, Recipient::Device),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/device_handle.rs:437:19
[INFO] [stdout]     |
[INFO] [stdout] 437 |         let len = try!(self.read_control(request_type(Direction::In, RequestType::Standard, Recipient::Device),
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/context.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut context = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/context.rs:74:60
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut list: *const *mut libusb_device = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:34:65
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut descriptor: libusb_device_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:44:68
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut config: *const libusb_config_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:53:68
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut config: *const libusb_config_descriptor = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device.rs:83:62
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut handle: *mut libusb_device_handle = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/device_handle.rs:44:35
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let mut config = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:145:47
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:191:47
[INFO] [stdout]     |
[INFO] [stdout] 191 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:239:47
[INFO] [stdout]     |
[INFO] [stdout] 239 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/device_handle.rs:285:47
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut transferred: c_int = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/device_handle.rs:406:13
[INFO] [stdout]     |
[INFO] [stdout] 406 |         let mut buf_slice = unsafe {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/device_handle.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |         let mut buf_slice = unsafe {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "903298c29b68b9cf85e36eb51cfe840995fd185e4d753d25deb49b015d26bd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903298c29b68b9cf85e36eb51cfe840995fd185e4d753d25deb49b015d26bd2f", kill_on_drop: false }`
[INFO] [stdout] 903298c29b68b9cf85e36eb51cfe840995fd185e4d753d25deb49b015d26bd2f
