[INFO] cloning repository https://github.com/krishnakumar4a4/usb_com [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishnakumar4a4/usb_com" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fusb_com", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fusb_com'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 64f4e47bacc3c08387e00589a2c2d40d682bb7d4 [INFO] testing krishnakumar4a4/usb_com against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishnakumar4a4%2Fusb_com" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/krishnakumar4a4/usb_com on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/krishnakumar4a4/usb_com [INFO] finished tweaking git repo https://github.com/krishnakumar4a4/usb_com [INFO] tweaked toml for git repo https://github.com/krishnakumar4a4/usb_com written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/krishnakumar4a4/usb_com already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f4cf8e9915ccace664e89110fc5971d55a7a7cef43d394a55836d70ec3610eb [INFO] running `Command { std: "docker" "start" "-a" "3f4cf8e9915ccace664e89110fc5971d55a7a7cef43d394a55836d70ec3610eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f4cf8e9915ccace664e89110fc5971d55a7a7cef43d394a55836d70ec3610eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f4cf8e9915ccace664e89110fc5971d55a7a7cef43d394a55836d70ec3610eb", kill_on_drop: false }` [INFO] [stdout] 3f4cf8e9915ccace664e89110fc5971d55a7a7cef43d394a55836d70ec3610eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94f70e6dcdd6a9018e27ec51462f02d0810a1a936cb4749c1e288fd62a7f46bd [INFO] running `Command { std: "docker" "start" "-a" "94f70e6dcdd6a9018e27ec51462f02d0810a1a936cb4749c1e288fd62a7f46bd", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling bit-set v0.2.0 [INFO] [stderr] Compiling libusb-sys v0.2.3 [INFO] [stderr] Compiling libusb v0.3.0 [INFO] [stderr] Compiling usb_com v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut context = libusb::Context::new().unwrap(); [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/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | for mut device in context.devices().unwrap().iter() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.49s [INFO] running `Command { std: "docker" "inspect" "94f70e6dcdd6a9018e27ec51462f02d0810a1a936cb4749c1e288fd62a7f46bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94f70e6dcdd6a9018e27ec51462f02d0810a1a936cb4749c1e288fd62a7f46bd", kill_on_drop: false }` [INFO] [stdout] 94f70e6dcdd6a9018e27ec51462f02d0810a1a936cb4749c1e288fd62a7f46bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c90c0cfd553ec9c0c7dae0889b7b525e5f7c85fc746dc8cda3d4fd171640eed9 [INFO] running `Command { std: "docker" "start" "-a" "c90c0cfd553ec9c0c7dae0889b7b525e5f7c85fc746dc8cda3d4fd171640eed9", kill_on_drop: false }` [INFO] [stderr] Compiling usb_com v0.1.0 (/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_wacom_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_wacom_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_wacom_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: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_wacom_device.rs:171:5 [INFO] [stdout] | [INFO] [stdout] 171 | 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: variable does not need to be mutable [INFO] [stdout] --> examples/read_wacom_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: fields `config` and `setting` are never read [INFO] [stdout] --> examples/read_wacom_device.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Endpoint { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 9 | config: u8, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 10 | iface: u8, [INFO] [stdout] 11 | setting: u8, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `Endpoint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut context = libusb::Context::new().unwrap(); [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/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | for mut device in context.devices().unwrap().iter() { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "c90c0cfd553ec9c0c7dae0889b7b525e5f7c85fc746dc8cda3d4fd171640eed9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c90c0cfd553ec9c0c7dae0889b7b525e5f7c85fc746dc8cda3d4fd171640eed9", kill_on_drop: false }` [INFO] [stdout] c90c0cfd553ec9c0c7dae0889b7b525e5f7c85fc746dc8cda3d4fd171640eed9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4250dd5d6e93904d549e0aa75649af875f168c954cb2ea513385eca70dce1f87 [INFO] running `Command { std: "docker" "start" "-a" "4250dd5d6e93904d549e0aa75649af875f168c954cb2ea513385eca70dce1f87", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_device.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | try!(handle.reset()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_device.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | let languages = try!(handle.read_languages(timeout)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_device.rs:66:42 [INFO] [stderr] | [INFO] [stderr] 66 | println!("Active configuration: {}", try!(handle.active_configuration())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_device.rs:167:5 [INFO] [stderr] | [INFO] [stderr] 167 | try!(handle.set_active_configuration(endpoint.config)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_device.rs:168:5 [INFO] [stderr] | [INFO] [stderr] 168 | try!(handle.claim_interface(endpoint.iface)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_device.rs:169:5 [INFO] [stderr] | [INFO] [stderr] 169 | try!(handle.set_alternate_setting(endpoint.iface, endpoint.setting)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/read_device.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | let mut buf = unsafe { slice::from_raw_parts_mut((&mut vec[..]).as_mut_ptr(), vec.capacity()) }; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/list_devices.rs:19:19 [INFO] [stderr] | [INFO] [stderr] 19 | let context = try!(libusb::Context::new()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/list_devices.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | for device in try!(context.devices()).iter() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut context = libusb::Context::new().unwrap(); [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | for mut device in context.devices().unwrap().iter() { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_wacom_device.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | try!(handle.reset()); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_wacom_device.rs:64:21 [INFO] [stderr] | [INFO] [stderr] 64 | let languages = try!(handle.read_languages(timeout)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_wacom_device.rs:66:42 [INFO] [stderr] | [INFO] [stderr] 66 | println!("Active configuration: {}", try!(handle.active_configuration())); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> examples/read_wacom_device.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | try!(handle.claim_interface(endpoint.iface)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/read_wacom_device.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | let mut buf = unsafe { slice::from_raw_parts_mut((&mut vec[..]).as_mut_ptr(), vec.capacity()) }; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `config` and `setting` are never read [INFO] [stderr] --> examples/read_wacom_device.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 8 | struct Endpoint { [INFO] [stderr] | -------- fields in this struct [INFO] [stderr] 9 | config: u8, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 10 | iface: u8, [INFO] [stderr] 11 | setting: u8, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] = note: `Endpoint` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `usb_com` (example "read_device") generated 7 warnings [INFO] [stderr] warning: `usb_com` (example "list_devices") generated 2 warnings [INFO] [stderr] warning: `usb_com` (bin "usb_com" test) generated 2 warnings [INFO] [stderr] warning: `usb_com` (example "read_wacom_device") generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/usb_com-9c5b7f7af8460e71) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4250dd5d6e93904d549e0aa75649af875f168c954cb2ea513385eca70dce1f87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4250dd5d6e93904d549e0aa75649af875f168c954cb2ea513385eca70dce1f87", kill_on_drop: false }` [INFO] [stdout] 4250dd5d6e93904d549e0aa75649af875f168c954cb2ea513385eca70dce1f87