[INFO] fetching crate jsy_mk_194 2.0.0...
[INFO] testing jsy_mk_194-2.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate jsy_mk_194 2.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate jsy_mk_194 2.0.0
[INFO] finished tweaking crates.io crate jsy_mk_194 2.0.0
[INFO] tweaked toml for crates.io crate jsy_mk_194 2.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsy_mk_194 2.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de87e8942c14e90b62d2834a6318681b821394c224a8a380050e85aec0be4ab7
[INFO] running `Command { std: "docker" "start" "-a" "de87e8942c14e90b62d2834a6318681b821394c224a8a380050e85aec0be4ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de87e8942c14e90b62d2834a6318681b821394c224a8a380050e85aec0be4ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de87e8942c14e90b62d2834a6318681b821394c224a8a380050e85aec0be4ab7", kill_on_drop: false }`
[INFO] [stdout] de87e8942c14e90b62d2834a6318681b821394c224a8a380050e85aec0be4ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2401720efdd2f3fd8af794fc38990753cba05492cf0056e37cee0b83791e2872
[INFO] running `Command { std: "docker" "start" "-a" "2401720efdd2f3fd8af794fc38990753cba05492cf0056e37cee0b83791e2872", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling jsy_mk_194 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2401720efdd2f3fd8af794fc38990753cba05492cf0056e37cee0b83791e2872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2401720efdd2f3fd8af794fc38990753cba05492cf0056e37cee0b83791e2872", kill_on_drop: false }`
[INFO] [stdout] 2401720efdd2f3fd8af794fc38990753cba05492cf0056e37cee0b83791e2872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28cf20091f0986231b5dd1fc4b0cd6e68d451f69d462c1caffbf2f71d8ea75db
[INFO] running `Command { std: "docker" "start" "-a" "28cf20091f0986231b5dd1fc4b0cd6e68d451f69d462c1caffbf2f71d8ea75db", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsy_mk_194 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/tests/mod.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn change_baudrate(&mut self, f: u32) -> Result<(), crate::error::UartError>  {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ns`
[INFO] [stdout]   --> src/tests/mod.rs:94:28
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn delay_ns(&mut self, ns: u32) {
[INFO] [stdout]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_ns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "28cf20091f0986231b5dd1fc4b0cd6e68d451f69d462c1caffbf2f71d8ea75db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cf20091f0986231b5dd1fc4b0cd6e68d451f69d462c1caffbf2f71d8ea75db", kill_on_drop: false }`
[INFO] [stdout] 28cf20091f0986231b5dd1fc4b0cd6e68d451f69d462c1caffbf2f71d8ea75db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c29f00811de07feed65313220c19a4def94f65e46f812eca5738721071101c88
[INFO] running `Command { std: "docker" "start" "-a" "c29f00811de07feed65313220c19a4def94f65e46f812eca5738721071101c88", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stdout] 
[INFO] [stderr]   --> src/tests/mod.rs:82:35
[INFO] [stdout] running 9 tests
[INFO] [stderr]    |
[INFO] [stdout] test tests::test_jsk_mk_196_read_method_return_error_cause_read_to_device_return_bad_crc ... ok
[INFO] [stderr] 82 |     fn change_baudrate(&mut self, f: u32) -> Result<(), crate::error::UartError>  {
[INFO] [stdout] test tests::test_jsk_mk_196_change_bitrate_method_return_true ... ok
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] test tests::test_jsk_mk_196_read_method_return_error_cause_read_to_device_return_error ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::test_jsk_mk_196_read_method_return_error_cause_read_to_device_return_wrong_size ... ok
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] test tests::test_jsk_mk_196_read_method_return_error_cause_write_to_device_return_error ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::test_read_ok_2 ... ok
[INFO] [stderr] warning: unused variable: `ns`
[INFO] [stdout] test tests::test_jsk_mk_196_read_method_return_ok_when_read_to_device_return_bad_crc ... ok
[INFO] [stderr]   --> src/tests/mod.rs:94:28
[INFO] [stdout] test tests::test_read_ok ... ok
[INFO] [stderr]    |
[INFO] [stdout] test tests::test_crc ... ok
[INFO] [stderr] 94 |     fn delay_ns(&mut self, ns: u32) {
[INFO] [stdout] 
[INFO] [stderr]    |                            ^^ help: if this is intentional, prefix it with an underscore: `_ns`
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `jsy_mk_194` (lib test) generated 2 warnings
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jsy_mk_194-bf11f83b869ec8a0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsy_mk_194
[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" "c29f00811de07feed65313220c19a4def94f65e46f812eca5738721071101c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c29f00811de07feed65313220c19a4def94f65e46f812eca5738721071101c88", kill_on_drop: false }`
[INFO] [stdout] c29f00811de07feed65313220c19a4def94f65e46f812eca5738721071101c88