[INFO] fetching crate modbus-robust 0.2.0...
[INFO] testing modbus-robust-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate modbus-robust 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate modbus-robust 0.2.0
[INFO] finished tweaking crates.io crate modbus-robust 0.2.0
[INFO] tweaked toml for crates.io crate modbus-robust 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-robust 0.2.0 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 62 packages to latest compatible versions
[INFO] [stderr]       Adding serialport v4.7.3 (available: v4.8.1)
[INFO] [stderr]       Adding tokio-modbus v0.16.3 (available: v0.17.0)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] af4164be3b4c43e8dd10e53325936df27764a104d200b9d31e1125c998a6ae48
[INFO] running `Command { std: "docker" "start" "-a" "af4164be3b4c43e8dd10e53325936df27764a104d200b9d31e1125c998a6ae48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4164be3b4c43e8dd10e53325936df27764a104d200b9d31e1125c998a6ae48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4164be3b4c43e8dd10e53325936df27764a104d200b9d31e1125c998a6ae48", kill_on_drop: false }`
[INFO] [stdout] af4164be3b4c43e8dd10e53325936df27764a104d200b9d31e1125c998a6ae48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 166e536ab1cb6397be9415afdb7e101a7351a503729288bffe2a9f1296f8ec56
[INFO] running `Command { std: "docker" "start" "-a" "166e536ab1cb6397be9415afdb7e101a7351a503729288bffe2a9f1296f8ec56", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling unescaper v0.1.6
[INFO] [stderr]    Compiling serialport v4.7.3
[INFO] [stderr]    Compiling mio-serial v5.0.6
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tokio-modbus v0.16.3
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-serial v5.4.5
[INFO] [stderr]    Compiling modbus-robust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.31s
[INFO] running `Command { std: "docker" "inspect" "166e536ab1cb6397be9415afdb7e101a7351a503729288bffe2a9f1296f8ec56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166e536ab1cb6397be9415afdb7e101a7351a503729288bffe2a9f1296f8ec56", kill_on_drop: false }`
[INFO] [stdout] 166e536ab1cb6397be9415afdb7e101a7351a503729288bffe2a9f1296f8ec56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 55ae2b1059706f425bd0d82352b4a936a25a64ad795372db47d02f2cbcb70c43
[INFO] running `Command { std: "docker" "start" "-a" "55ae2b1059706f425bd0d82352b4a936a25a64ad795372db47d02f2cbcb70c43", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tokio-util v0.7.17
[INFO] [stderr]    Compiling tokio-serial v5.4.5
[INFO] [stderr]    Compiling tokio-modbus v0.16.3
[INFO] [stderr]    Compiling modbus-robust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "55ae2b1059706f425bd0d82352b4a936a25a64ad795372db47d02f2cbcb70c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ae2b1059706f425bd0d82352b4a936a25a64ad795372db47d02f2cbcb70c43", kill_on_drop: false }`
[INFO] [stdout] 55ae2b1059706f425bd0d82352b4a936a25a64ad795372db47d02f2cbcb70c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1ab4fc1eec8aeeb2b3ba9115702d651c9181e470305493de7e25d0c1c8b9d3ce
[INFO] running `Command { std: "docker" "start" "-a" "1ab4fc1eec8aeeb2b3ba9115702d651c9181e470305493de7e25d0c1c8b9d3ce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/modbus_robust-8822e1d0fc06592c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_call_double_failure ... ok
[INFO] [stdout] test test::test_call_failure ... ok
[INFO] [stdout] test test::test_connect_failure2 ... ok
[INFO] [stdout] test test::test_success ... ok
[INFO] [stderr]    Doc-tests modbus_robust
[INFO] [stdout] test test::test_connect_failure ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "1ab4fc1eec8aeeb2b3ba9115702d651c9181e470305493de7e25d0c1c8b9d3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab4fc1eec8aeeb2b3ba9115702d651c9181e470305493de7e25d0c1c8b9d3ce", kill_on_drop: false }`
[INFO] [stdout] 1ab4fc1eec8aeeb2b3ba9115702d651c9181e470305493de7e25d0c1c8b9d3ce
