[INFO] cloning repository https://github.com/murl-digital/ledragon-usb-driver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/murl-digital/ledragon-usb-driver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurl-digital%2Fledragon-usb-driver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurl-digital%2Fledragon-usb-driver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02c65f7ecea71ce6cffdab55419df213f7d5ffd0 [INFO] checking murl-digital/ledragon-usb-driver against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmurl-digital%2Fledragon-usb-driver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/murl-digital/ledragon-usb-driver [INFO] finished tweaking git repo https://github.com/murl-digital/ledragon-usb-driver [INFO] tweaked toml for git repo https://github.com/murl-digital/ledragon-usb-driver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/murl-digital/ledragon-usb-driver on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/murl-digital/ledragon-usb-driver 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] deb3adb752d298af4bca86a288cd4d558ac2d1cc68d9be1b1d0baeb859c224c7 [INFO] running `Command { std: "docker" "start" "-a" "deb3adb752d298af4bca86a288cd4d558ac2d1cc68d9be1b1d0baeb859c224c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "deb3adb752d298af4bca86a288cd4d558ac2d1cc68d9be1b1d0baeb859c224c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deb3adb752d298af4bca86a288cd4d558ac2d1cc68d9be1b1d0baeb859c224c7", kill_on_drop: false }` [INFO] [stdout] deb3adb752d298af4bca86a288cd4d558ac2d1cc68d9be1b1d0baeb859c224c7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a69f345e1068410ee3ca38115ca5847e1b463e5f0537cb8da76bf1f5815d35c [INFO] running `Command { std: "docker" "start" "-a" "9a69f345e1068410ee3ca38115ca5847e1b463e5f0537cb8da76bf1f5815d35c", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling thiserror v2.0.12 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling rusb v0.9.4 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling cc v1.2.21 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling libusb1-sys v0.7.0 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking libudev v0.3.0 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Checking unescaper v0.1.6 [INFO] [stderr] Checking serialport v4.7.1 [INFO] [stderr] Checking ledragon-usb-driver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: struct `LEDragonContext` is never constructed [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct LEDragonContext<'usb> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEVICE_VID` is never used [INFO] [stdout] --> src/lib.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) const DEVICE_VID: u16 = 0x6942; [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 `DEVICE_PID` is never used [INFO] [stdout] --> src/lib.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) const DEVICE_PID: u16 = 0x6942; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `context`, `device_handle`, `interface`, `interface_descriptor`, `read_endpoint`, and `write_endpoint` are never read [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct UsbInternals<'usb> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 5 | context: rusb::Context, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | device_handle: rusb::DeviceHandle, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 7 | interface: rusb::Interface<'usb>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | interface_descriptor: rusb::InterfaceDescriptor<'usb>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | read_endpoint: rusb::EndpointDescriptor<'usb>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 10 | write_endpoint: rusb::EndpointDescriptor<'usb>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `internal` is never read [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct LEDragonContext<'usb> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 14 | internal: UsbInternals<'usb>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `LEDragonContext` is never constructed [INFO] [stdout] --> src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct LEDragonContext<'usb> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEVICE_VID` is never used [INFO] [stdout] --> src/lib.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) const DEVICE_VID: u16 = 0x6942; [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 `DEVICE_PID` is never used [INFO] [stdout] --> src/lib.rs:2:18 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) const DEVICE_PID: u16 = 0x6942; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `context`, `device_handle`, `interface`, `interface_descriptor`, `read_endpoint`, and `write_endpoint` are never read [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub(crate) struct UsbInternals<'usb> { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 5 | context: rusb::Context, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 6 | device_handle: rusb::DeviceHandle, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 7 | interface: rusb::Interface<'usb>, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 8 | interface_descriptor: rusb::InterfaceDescriptor<'usb>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | read_endpoint: rusb::EndpointDescriptor<'usb>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 10 | write_endpoint: rusb::EndpointDescriptor<'usb>, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `internal` is never read [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct LEDragonContext<'usb> { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 14 | internal: UsbInternals<'usb>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ledragon-usb-driver` (lib) due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `ledragon-usb-driver` (lib test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9a69f345e1068410ee3ca38115ca5847e1b463e5f0537cb8da76bf1f5815d35c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a69f345e1068410ee3ca38115ca5847e1b463e5f0537cb8da76bf1f5815d35c", kill_on_drop: false }` [INFO] [stdout] 9a69f345e1068410ee3ca38115ca5847e1b463e5f0537cb8da76bf1f5815d35c