[INFO] cloning repository https://github.com/VASABIcz/logitech_rust_sdk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VASABIcz/logitech_rust_sdk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVASABIcz%2Flogitech_rust_sdk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVASABIcz%2Flogitech_rust_sdk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5e0efde085ec0f99335082bfd45e1e5fca38f32
[INFO] checking VASABIcz/logitech_rust_sdk against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVASABIcz%2Flogitech_rust_sdk" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VASABIcz/logitech_rust_sdk
[INFO] finished tweaking git repo https://github.com/VASABIcz/logitech_rust_sdk
[INFO] tweaked toml for git repo https://github.com/VASABIcz/logitech_rust_sdk written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VASABIcz/logitech_rust_sdk on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VASABIcz/logitech_rust_sdk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.rustc-link-search
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking VASABIcz/logitech_rust_sdk against try#7dabc88a3b6768751847baeb49983f31ac5f20e2 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVASABIcz%2Flogitech_rust_sdk" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VASABIcz/logitech_rust_sdk
[INFO] finished tweaking git repo https://github.com/VASABIcz/logitech_rust_sdk
[INFO] tweaked toml for git repo https://github.com/VASABIcz/logitech_rust_sdk written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VASABIcz/logitech_rust_sdk on toolchain 7dabc88a3b6768751847baeb49983f31ac5f20e2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VASABIcz/logitech_rust_sdk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.rustc-link-search
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded libc v0.2.114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ada9a01ec5528e113d88cf823a2bc0adcbc0bcfec848a99ca97c2d08e517852
[INFO] running `Command { std: "docker" "start" "-a" "4ada9a01ec5528e113d88cf823a2bc0adcbc0bcfec848a99ca97c2d08e517852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ada9a01ec5528e113d88cf823a2bc0adcbc0bcfec848a99ca97c2d08e517852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ada9a01ec5528e113d88cf823a2bc0adcbc0bcfec848a99ca97c2d08e517852", kill_on_drop: false }`
[INFO] [stdout] 4ada9a01ec5528e113d88cf823a2bc0adcbc0bcfec848a99ca97c2d08e517852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+7dabc88a3b6768751847baeb49983f31ac5f20e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0891f62f09f998ca66f90e82489a935a601b62fdba25a699fac63b31e02efa03
[INFO] running `Command { std: "docker" "start" "-a" "0891f62f09f998ca66f90e82489a935a601b62fdba25a699fac63b31e02efa03", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.rustc-link-search
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking logitech_binding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::net::Shutdown`
[INFO] [stdout]  --> src/api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Shutdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::rngs::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]   --> src/api.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / extern "cdecl" {
[INFO] [stdout] 15 | |     #[link_name = "?LogiLedInit@@YA_NXZ"]
[INFO] [stdout] 16 | |     fn Init() -> bool;
[INFO] [stdout] 17 | |     #[link_name = "?LogiLedSetTargetDevice@@YA_NH@Z"]
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     fn Shutdown();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `extern "C"` instead
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_MONOCHROME_ORD` is never used
[INFO] [stdout]  --> src/api.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const LOGI_DEVICETYPE_MONOCHROME_ORD: i32 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_RGB_ORD` is never used
[INFO] [stdout]  --> src/api.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const LOGI_DEVICETYPE_RGB_ORD: i32 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_PERKEY_RGB_ORD` is never used
[INFO] [stdout]  --> src/api.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const LOGI_DEVICETYPE_PERKEY_RGB_ORD: i32 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_MONOCHROME` is never used
[INFO] [stdout]  --> src/api.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const LOGI_DEVICETYPE_MONOCHROME: i32 = 1 << LOGI_DEVICETYPE_MONOCHROME_ORD;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_RGB` is never used
[INFO] [stdout]  --> src/api.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const LOGI_DEVICETYPE_RGB: i32 = 1 << LOGI_DEVICETYPE_RGB_ORD;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_PERKEY_RGB` is never used
[INFO] [stdout]   --> src/api.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const LOGI_DEVICETYPE_PERKEY_RGB: i32 = 1 << LOGI_DEVICETYPE_PERKEY_RGB_ORD;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_ALL` is never used
[INFO] [stdout]   --> src/api.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const LOGI_DEVICETYPE_ALL: i32 = LOGI_DEVICETYPE_MONOCHROME | LOGI_DEVICETYPE_RGB | LOGI_DEVICETYPE_PERKEY_RGB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_device` is never used
[INFO] [stdout]   --> src/api.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn set_device(device: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SetTargetDevice` is never used
[INFO] [stdout]   --> src/api.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn SetTargetDevice(device: c_int) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     j.join();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = j.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::Shutdown`
[INFO] [stdout]  --> src/api.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::net::Shutdown;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::ThreadRng`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::rngs::ThreadRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::Thread`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::thread::Thread;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: "cdecl" is not a supported ABI for the current target
[INFO] [stdout]   --> src/api.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / extern "cdecl" {
[INFO] [stdout] 15 | |     #[link_name = "?LogiLedInit@@YA_NXZ"]
[INFO] [stdout] 16 | |     fn Init() -> bool;
[INFO] [stdout] 17 | |     #[link_name = "?LogiLedSetTargetDevice@@YA_NH@Z"]
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     fn Shutdown();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `extern "C"` instead
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #137018 <https://github.com/rust-lang/rust/issues/137018>
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_MONOCHROME_ORD` is never used
[INFO] [stdout]  --> src/api.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const LOGI_DEVICETYPE_MONOCHROME_ORD: i32 = 0;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_RGB_ORD` is never used
[INFO] [stdout]  --> src/api.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const LOGI_DEVICETYPE_RGB_ORD: i32 = 1;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_PERKEY_RGB_ORD` is never used
[INFO] [stdout]  --> src/api.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const LOGI_DEVICETYPE_PERKEY_RGB_ORD: i32 = 2;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_MONOCHROME` is never used
[INFO] [stdout]  --> src/api.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const LOGI_DEVICETYPE_MONOCHROME: i32 = 1 << LOGI_DEVICETYPE_MONOCHROME_ORD;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_RGB` is never used
[INFO] [stdout]  --> src/api.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const LOGI_DEVICETYPE_RGB: i32 = 1 << LOGI_DEVICETYPE_RGB_ORD;
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_PERKEY_RGB` is never used
[INFO] [stdout]   --> src/api.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const LOGI_DEVICETYPE_PERKEY_RGB: i32 = 1 << LOGI_DEVICETYPE_PERKEY_RGB_ORD;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LOGI_DEVICETYPE_ALL` is never used
[INFO] [stdout]   --> src/api.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const LOGI_DEVICETYPE_ALL: i32 = LOGI_DEVICETYPE_MONOCHROME | LOGI_DEVICETYPE_RGB | LOGI_DEVICETYPE_PERKEY_RGB;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_device` is never used
[INFO] [stdout]   --> src/api.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn set_device(device: i32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `SetTargetDevice` is never used
[INFO] [stdout]   --> src/api.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn SetTargetDevice(device: c_int) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     j.join();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let _ = j.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "0891f62f09f998ca66f90e82489a935a601b62fdba25a699fac63b31e02efa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0891f62f09f998ca66f90e82489a935a601b62fdba25a699fac63b31e02efa03", kill_on_drop: false }`
[INFO] [stdout] 0891f62f09f998ca66f90e82489a935a601b62fdba25a699fac63b31e02efa03
