[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<rusb::Context>,
[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<rusb::Context>,
[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
