[INFO] fetching crate usbd-serial 0.2.2... [INFO] testing usbd-serial-0.2.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate usbd-serial 0.2.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate usbd-serial 0.2.2 [INFO] finished tweaking crates.io crate usbd-serial 0.2.2 [INFO] tweaked toml for crates.io crate usbd-serial 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate usbd-serial 0.2.2 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 11 packages to latest compatible versions [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding embedded-io v0.6.1 (available: v0.7.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ba41f6a0341192e9cf76d30534c71ec8ea6b5aed9787a95deaee7ed81ca7107 [INFO] running `Command { std: "docker" "start" "-a" "9ba41f6a0341192e9cf76d30534c71ec8ea6b5aed9787a95deaee7ed81ca7107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ba41f6a0341192e9cf76d30534c71ec8ea6b5aed9787a95deaee7ed81ca7107", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ba41f6a0341192e9cf76d30534c71ec8ea6b5aed9787a95deaee7ed81ca7107", kill_on_drop: false }` [INFO] [stdout] 9ba41f6a0341192e9cf76d30534c71ec8ea6b5aed9787a95deaee7ed81ca7107 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f4359c778faf8aa8cfbcdaf230c7bdf47aecc099bdf9b8116b68ac3ad2458a5 [INFO] running `Command { std: "docker" "start" "-a" "5f4359c778faf8aa8cfbcdaf230c7bdf47aecc099bdf9b8116b68ac3ad2458a5", kill_on_drop: false }` [INFO] [stderr] Compiling heapless v0.8.0 [INFO] [stderr] Compiling portable-atomic v1.11.1 [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling embedded-io v0.6.1 [INFO] [stderr] Compiling hash32 v0.3.1 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling usb-device v0.3.2 [INFO] [stderr] Compiling usbd-serial v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "5f4359c778faf8aa8cfbcdaf230c7bdf47aecc099bdf9b8116b68ac3ad2458a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f4359c778faf8aa8cfbcdaf230c7bdf47aecc099bdf9b8116b68ac3ad2458a5", kill_on_drop: false }` [INFO] [stdout] 5f4359c778faf8aa8cfbcdaf230c7bdf47aecc099bdf9b8116b68ac3ad2458a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d95bb94908bd6ee7a7ceb28ebdfd95cb3bfc750c06061b9a6a17a352a437aa0 [INFO] running `Command { std: "docker" "start" "-a" "2d95bb94908bd6ee7a7ceb28ebdfd95cb3bfc750c06061b9a6a17a352a437aa0", kill_on_drop: false }` [INFO] [stderr] Compiling usbd-serial v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "2d95bb94908bd6ee7a7ceb28ebdfd95cb3bfc750c06061b9a6a17a352a437aa0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d95bb94908bd6ee7a7ceb28ebdfd95cb3bfc750c06061b9a6a17a352a437aa0", kill_on_drop: false }` [INFO] [stdout] 2d95bb94908bd6ee7a7ceb28ebdfd95cb3bfc750c06061b9a6a17a352a437aa0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 43b3c59afa666c8a9f04c424f821032da82e0751584d0a93149c25ba62249da9 [INFO] running `Command { std: "docker" "start" "-a" "43b3c59afa666c8a9f04c424f821032da82e0751584d0a93149c25ba62249da9", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/usbd_serial-851bf997febbc289) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stderr] Doc-tests usbd_serial [INFO] [stdout] test buffer::tests::read ... ok [INFO] [stdout] test buffer::tests::write ... ok [INFO] [stdout] test buffer::tests::discard ... ok [INFO] [stdout] test buffer::tests::clear ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 16) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 16) stdout ---- [INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>` [INFO] [stdout] --> src/lib.rs:36:18 [INFO] [stdout] | [INFO] [stdout] 22 | Err(err) => // An error occurred [INFO] [stdout] | ^^ expected one of `,`, `.`, `?`, `}`, or an operator [INFO] [stdout] [INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>` [INFO] [stdout] --> src/lib.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 30 | Err(err) => // An error occurred [INFO] [stdout] | ^^ expected one of `,`, `.`, `?`, `}`, or an operator [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SerialPort` [INFO] [stdout] --> src/lib.rs:17:18 [INFO] [stdout] | [INFO] [stdout] 3 | let mut serial = SerialPort::new(&usb_bus); [INFO] [stdout] | ^^^^^^^^^^ use of undeclared type `SerialPort` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 + use usbd_serial::SerialPort; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `usb_bus` in this scope [INFO] [stdout] --> src/lib.rs:17:35 [INFO] [stdout] | [INFO] [stdout] 3 | let mut serial = SerialPort::new(&usb_bus); [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `UsbDeviceBuilder` [INFO] [stdout] --> src/lib.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 5 | let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x16c0, 0x27dd)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ use of undeclared type `UsbDeviceBuilder` [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 + use usb_device::prelude::UsbDeviceBuilder; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `usb_bus` in this scope [INFO] [stdout] --> src/lib.rs:19:42 [INFO] [stdout] | [INFO] [stdout] 5 | let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x16c0, 0x27dd)) [INFO] [stdout] | ^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `UsbVidPid` in this scope [INFO] [stdout] --> src/lib.rs:19:51 [INFO] [stdout] | [INFO] [stdout] 5 | let mut usb_dev = UsbDeviceBuilder::new(&usb_bus, UsbVidPid(0x16c0, 0x27dd)) [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this tuple struct [INFO] [stdout] | [INFO] [stdout] 2 + use usb_device::prelude::UsbVidPid; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `USB_CLASS_CDC` in this scope [INFO] [stdout] --> src/lib.rs:21:19 [INFO] [stdout] | [INFO] [stdout] 7 | .device_class(USB_CLASS_CDC) [INFO] [stdout] | ^^^^^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this constant [INFO] [stdout] | [INFO] [stdout] 2 + use usbd_serial::USB_CLASS_CDC; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 16) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "43b3c59afa666c8a9f04c424f821032da82e0751584d0a93149c25ba62249da9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43b3c59afa666c8a9f04c424f821032da82e0751584d0a93149c25ba62249da9", kill_on_drop: false }` [INFO] [stdout] 43b3c59afa666c8a9f04c424f821032da82e0751584d0a93149c25ba62249da9