[INFO] fetching crate owon-spe 0.1.0...
[INFO] testing owon-spe-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate owon-spe 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate owon-spe 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate owon-spe 0.1.0
[INFO] tweaked toml for crates.io crate owon-spe 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate owon-spe 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate owon-spe 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0efc28ab212057bac7fdb569195114c472619fc60aac48abce837ac735be51e4
[INFO] running `Command { std: "docker" "start" "-a" "0efc28ab212057bac7fdb569195114c472619fc60aac48abce837ac735be51e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efc28ab212057bac7fdb569195114c472619fc60aac48abce837ac735be51e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efc28ab212057bac7fdb569195114c472619fc60aac48abce837ac735be51e4", kill_on_drop: false }`
[INFO] [stdout] 0efc28ab212057bac7fdb569195114c472619fc60aac48abce837ac735be51e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b2b0e32c191a5752feeeb90272df4eac083b660a088446f21132099875446b0
[INFO] running `Command { std: "docker" "start" "-a" "9b2b0e32c191a5752feeeb90272df4eac083b660a088446f21132099875446b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling owon-spe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `has_output` is never used
[INFO] [stdout]    --> src/lib.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 257 | trait Operation {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 261 |     fn has_output(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "9b2b0e32c191a5752feeeb90272df4eac083b660a088446f21132099875446b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2b0e32c191a5752feeeb90272df4eac083b660a088446f21132099875446b0", kill_on_drop: false }`
[INFO] [stdout] 9b2b0e32c191a5752feeeb90272df4eac083b660a088446f21132099875446b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01f8dc37806a3bfb82b4b877985e44ec2cd74d04d6a028ea6dbd96e9fe135d5f
[INFO] running `Command { std: "docker" "start" "-a" "01f8dc37806a3bfb82b4b877985e44ec2cd74d04d6a028ea6dbd96e9fe135d5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling owon-spe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling serialport v4.2.0
[INFO] [stdout] warning: method `has_output` is never used
[INFO] [stdout]    --> src/lib.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 257 | trait Operation {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 261 |     fn has_output(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling clap v4.0.32
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling mio-serial v5.0.3
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling async-compat v0.2.1
[INFO] [stderr]    Compiling tokio-serial v5.4.4
[INFO] [stdout] warning: method `has_output` is never used
[INFO] [stdout]    --> src/lib.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 257 | trait Operation {
[INFO] [stdout]     |       --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 261 |     fn has_output(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "01f8dc37806a3bfb82b4b877985e44ec2cd74d04d6a028ea6dbd96e9fe135d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f8dc37806a3bfb82b4b877985e44ec2cd74d04d6a028ea6dbd96e9fe135d5f", kill_on_drop: false }`
[INFO] [stdout] 01f8dc37806a3bfb82b4b877985e44ec2cd74d04d6a028ea6dbd96e9fe135d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] feb422cbc9258b944a070b88ac4173dd6ad92e648ad5c36a2724e46d0bdccf4b
[INFO] running `Command { std: "docker" "start" "-a" "feb422cbc9258b944a070b88ac4173dd6ad92e648ad5c36a2724e46d0bdccf4b", kill_on_drop: false }`
[INFO] [stderr] warning: method `has_output` is never used
[INFO] [stderr]    --> src/lib.rs:261:8
[INFO] [stderr]     |
[INFO] [stderr] 257 | trait Operation {
[INFO] [stderr]     |       --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 261 |     fn has_output(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `owon-spe` (lib) generated 1 warning
[INFO] [stderr] warning: `owon-spe` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/owon_spe-efd2cb126b6deac4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test operations::measure::test::test_measure_all ... ok
[INFO] [stdout] test operations::measure::test::test_measure_all_info ... ok
[INFO] [stdout] test operations::output::test::test_volt ... ok
[INFO] [stdout] test operations::output::test::test_output ... 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] [stderr]    Doc-tests owon_spe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0599]: no function or associated item named `from_serialport` found for struct `SPE<T>` in the current scope
[INFO] [stdout]    --> src/lib.rs:12:22
[INFO] [stdout]     |
[INFO] [stdout]   7 |   let mut spe = SPE::from_serialport("/dev/ttyUSB0").unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^ function or associated item not found in `SPE<_>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `SPE<_>`, consider using `SPE::<T>::new` which returns `SPE<_>`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn new(transport: T) -> Self {
[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 E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "feb422cbc9258b944a070b88ac4173dd6ad92e648ad5c36a2724e46d0bdccf4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb422cbc9258b944a070b88ac4173dd6ad92e648ad5c36a2724e46d0bdccf4b", kill_on_drop: false }`
[INFO] [stdout] feb422cbc9258b944a070b88ac4173dd6ad92e648ad5c36a2724e46d0bdccf4b