[INFO] fetching crate fennec-modbus 0.95.0-beta.12...
[INFO] testing fennec-modbus-0.95.0-beta.12 against 1.98.0-beta.1 for beta-1.98-1
[INFO] extracting crate fennec-modbus 0.95.0-beta.12 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fennec-modbus 0.95.0-beta.12
[INFO] finished tweaking crates.io crate fennec-modbus 0.95.0-beta.12
[INFO] tweaked toml for crates.io crate fennec-modbus 0.95.0-beta.12 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fennec-modbus 0.95.0-beta.12 on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fennec-modbus 0.95.0-beta.12 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" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af
[INFO] running `Command { std: "docker" "start" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling tokio v1.52.3
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling fennec-modbus v0.95.0-beta.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/tcp/tokio.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |             .inspect_err(|error| {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.103
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/tcp/tokio.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |             .inspect_err(|error| {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fennec-modbus v0.95.0-beta.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]    --> src/tcp/tokio.rs:193:27
[INFO] [stdout]     |
[INFO] [stdout] 193 |             .inspect_err(|error| {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]    --> src/tcp/tokio.rs:193:27
[INFO] [stderr]     |
[INFO] [stderr] 193 |             .inspect_err(|error| {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fennec-modbus` (lib) generated 1 warning (run `cargo fix --lib -p fennec-modbus` to apply 1 suggestion)
[INFO] [stderr] warning: `fennec-modbus` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fennec_modbus-b3e8e6361f209a69)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fennec_modbus
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/protocol/function/write_multiple.rs - protocol::function::write_multiple::Output (line 66) ... ok
[INFO] [stdout] test src/tcp/header.rs - tcp::header::Header::encode_to (line 12) ... ok
[INFO] [stdout] test src/contrib/mini_qube/functions.rs - contrib::mini_qube::functions (line 5) - compile ... FAILED
[INFO] [stdout] test src/protocol/function/write_multiple.rs - protocol::function::write_multiple::Args (line 20) ... ok
[INFO] [stdout] test src/protocol/function/read_multiple.rs - protocol::function::read_multiple::Output (line 73) ... ok
[INFO] [stdout] test src/protocol/function/read_multiple.rs - protocol::function::read_multiple::Args (line 21) ... ok
[INFO] [stdout] test src/protocol/function/read_write_multiple.rs - protocol::function::read_write_multiple::Args (line 13) ... ok
[INFO] [stdout] test src/tcp/tokio.rs - tcp::tokio::Client (line 71) - compile ... FAILED
[INFO] [stdout] test src/tcp/header.rs - tcp::header::Header::decode_from (line 48) ... ok
[INFO] [stdout] test src/tcp/transaction.rs - tcp::transaction::Encoder::encode (line 34) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/contrib/mini_qube/functions.rs - contrib::mini_qube::functions (line 5) stdout ----
[INFO] [stdout] error[E0433]: cannot find `main` in `tokio`
[INFO] [stdout]   --> src/contrib/mini_qube/functions.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[tokio::main]
[INFO] [stdout]    |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]   --> src/contrib/mini_qube/functions.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | async fn main() -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tcp/tokio.rs - tcp::tokio::Client (line 71) stdout ----
[INFO] [stdout] error[E0433]: cannot find `main` in `tokio`
[INFO] [stdout]   --> src/tcp/tokio.rs:79:10
[INFO] [stdout]    |
[INFO] [stdout] 79 | #[tokio::main]
[INFO] [stdout]    |          ^^^^ could not find `main` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]   --> src/tcp/tokio.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | async fn main() -> Result<()> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/contrib/mini_qube/functions.rs - contrib::mini_qube::functions (line 5)
[INFO] [stdout]     src/tcp/tokio.rs - tcp::tokio::Client (line 71)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 8 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.22s; merged doctests compilation took 0.18s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af", kill_on_drop: false }`
[INFO] [stdout] 6ed607a6ae73d36cb3cd7bdf819ab0ae8524e39394c5d620851e9cafe77469af
