[INFO] fetching crate usb251xb 0.1.0...
[INFO] testing usb251xb-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate usb251xb 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate usb251xb 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate usb251xb 0.1.0
[INFO] tweaked toml for crates.io crate usb251xb 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usb251xb 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate usb251xb 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10c2880071ba12c39a632f2efd09d88ca6fd4a29ec24a4bfd32109e9fa8529e6
[INFO] running `Command { std: "docker" "start" "-a" "10c2880071ba12c39a632f2efd09d88ca6fd4a29ec24a4bfd32109e9fa8529e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10c2880071ba12c39a632f2efd09d88ca6fd4a29ec24a4bfd32109e9fa8529e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c2880071ba12c39a632f2efd09d88ca6fd4a29ec24a4bfd32109e9fa8529e6", kill_on_drop: false }`
[INFO] [stdout] 10c2880071ba12c39a632f2efd09d88ca6fd4a29ec24a4bfd32109e9fa8529e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43018a784546cea0f34f6c5c6141921b9e64348c1772144befc6487a7627bc58
[INFO] running `Command { std: "docker" "start" "-a" "43018a784546cea0f34f6c5c6141921b9e64348c1772144befc6487a7627bc58", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb251xb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling modular-bitfield-impl v0.13.1
[INFO] [stderr]    Compiling modular-bitfield v0.13.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "43018a784546cea0f34f6c5c6141921b9e64348c1772144befc6487a7627bc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43018a784546cea0f34f6c5c6141921b9e64348c1772144befc6487a7627bc58", kill_on_drop: false }`
[INFO] [stdout] 43018a784546cea0f34f6c5c6141921b9e64348c1772144befc6487a7627bc58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae6a4f48599d7c64c23eace2c7a4c33da17abc0e60094996f28f0461b77fc84
[INFO] running `Command { std: "docker" "start" "-a" "3ae6a4f48599d7c64c23eace2c7a4c33da17abc0e60094996f28f0461b77fc84", kill_on_drop: false }`
[INFO] [stderr]    Compiling usb251xb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "3ae6a4f48599d7c64c23eace2c7a4c33da17abc0e60094996f28f0461b77fc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae6a4f48599d7c64c23eace2c7a4c33da17abc0e60094996f28f0461b77fc84", kill_on_drop: false }`
[INFO] [stdout] 3ae6a4f48599d7c64c23eace2c7a4c33da17abc0e60094996f28f0461b77fc84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8319604b5793e56f5701907faaa5cff3b5bae814a950c7aa595e841928ab0e25
[INFO] running `Command { std: "docker" "start" "-a" "8319604b5793e56f5701907faaa5cff3b5bae814a950c7aa595e841928ab0e25", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/usb251xb-0c9f67b860c04484)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test config::tests::builder_disabled_ports_sets_both_fields ... ok
[INFO] [stdout] test config::tests::builder_no_string_leaves_string_enable_off ... ok
[INFO] [stdout] test config::tests::builder_product_enables_string_enable ... ok
[INFO] [stdout] test config::tests::builder_serial_enables_string_enable ... ok
[INFO] [stdout] test config::tests::builder_string_enables_string_enable ... ok
[INFO] [stdout] test config::tests::register_chunks_count_and_addresses ... ok
[INFO] [stdout] test config::tests::for_variant_sets_product_id ... ok
[INFO] [stdout] test config::tests::register_chunks_long_string_splits ... ok
[INFO] [stdout] test config::tests::register_chunks_string_lengths ... ok
[INFO] [stdout] test config::tests::register_chunks_power_fields ... ok
[INFO] [stdout] test config::tests::string_descriptor_default_is_empty ... ok
[INFO] [stdout] test config::tests::string_descriptor_encode_ascii ... ok
[INFO] [stdout] test config::tests::string_descriptor_encode_non_bmp ... ok
[INFO] [stdout] test config::tests::string_descriptor_max_length ... ok
[INFO] [stdout] test config::tests::string_descriptor_too_long ... ok
[INFO] [stdout] test config::tests::builder_port_map_enables_port_map_enable ... ok
[INFO] [stdout] test register::tests::port_bitfield_individual_ports ... ok
[INFO] [stdout] test register::tests::config_byte1_builder ... ok
[INFO] [stdout] test register::tests::status_command_attach ... ok
[INFO] [stdout] test register::tests::port_map_roundtrip ... ok
[INFO] [stdout] test register::tests::status_command_reset ... ok
[INFO] [stdout] test config::tests::builder_high_speed_inverts_hs_disable ... ok
[INFO] [stdout] test register::tests::variant_product_ids ... ok
[INFO] [stdout] test register::tests::config_byte1_default_roundtrip ... ok
[INFO] [stdout] test config::tests::register_chunks_ids_serialized_le ... ok
[INFO] [stdout] test config::tests::string_descriptor_empty ... ok
[INFO] [stdout] test register::tests::config_byte2_default_roundtrip ... ok
[INFO] [stdout] test register::tests::boost_downstream_all_ports ... ok
[INFO] [stdout] test config::tests::builder_matches_manual_config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests usb251xb
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) - compile ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 9) stdout ----
[INFO] [stdout] error[E0277]: `?` couldn't convert the error: `<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn example(i2c: impl embedded_hal::i2c::I2c) -> Result<(), Box<dyn core::error::Error>> {
[INFO] [stdout]    |                                                 --------------------------------------- required `<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error: std::error::Error` because of this
[INFO] [stdout] ...
[INFO] [stdout] 22 | hub.configure_and_attach(&config)?;
[INFO] [stdout]    |     -----------------------------^ the trait `std::error::Error` is not implemented for `<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     this can't be annotated with `?` because it has type `Result<_, usb251xb::Error<<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = note: `<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error` implements similarly named trait `embedded_hal::i2c::Error`, but not `std::error::Error`
[INFO] [stdout]    = note: required for `usb251xb::Error<<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error>` to implement `std::error::Error`
[INFO] [stdout]    = note: required for `Box<dyn std::error::Error>` to implement `From<usb251xb::Error<<impl embedded_hal::i2c::I2c as embedded_hal::i2c::ErrorType>::Error>>`
[INFO] [stdout] help: introduce a type parameter with a trait bound instead of using `impl Trait`
[INFO] [stdout]    |
[INFO] [stdout] 11 - fn example(i2c: impl embedded_hal::i2c::I2c) -> Result<(), Box<dyn core::error::Error>> {
[INFO] [stdout] 11 + fn example<E: embedded_hal::i2c::I2c>(i2c: E) -> Result<(), Box<dyn core::error::Error>> where <E as embedded_hal::i2c::ErrorType>::Error: std::error::Error {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 9)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.17s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8319604b5793e56f5701907faaa5cff3b5bae814a950c7aa595e841928ab0e25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8319604b5793e56f5701907faaa5cff3b5bae814a950c7aa595e841928ab0e25", kill_on_drop: false }`
[INFO] [stdout] 8319604b5793e56f5701907faaa5cff3b5bae814a950c7aa595e841928ab0e25