[INFO] fetching crate rustbac-mstp 0.4.0...
[INFO] testing rustbac-mstp-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rustbac-mstp 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rustbac-mstp 0.4.0
[INFO] finished tweaking crates.io crate rustbac-mstp 0.4.0
[INFO] tweaked toml for crates.io crate rustbac-mstp 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustbac-mstp 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3757ed9de41345a7b7ed69ad68744b6ec66e433b4dbed66e0a55da0ec4ed4a38
[INFO] running `Command { std: "docker" "start" "-a" "3757ed9de41345a7b7ed69ad68744b6ec66e433b4dbed66e0a55da0ec4ed4a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3757ed9de41345a7b7ed69ad68744b6ec66e433b4dbed66e0a55da0ec4ed4a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3757ed9de41345a7b7ed69ad68744b6ec66e433b4dbed66e0a55da0ec4ed4a38", kill_on_drop: false }`
[INFO] [stdout] 3757ed9de41345a7b7ed69ad68744b6ec66e433b4dbed66e0a55da0ec4ed4a38
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05f683ba165c2fce1cb0434e6973e4a56db372cb5c11d44d9d37badcf290ea7
[INFO] running `Command { std: "docker" "start" "-a" "f05f683ba165c2fce1cb0434e6973e4a56db372cb5c11d44d9d37badcf290ea7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rustbac-core v0.4.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling unescaper v0.1.8
[INFO] [stderr]    Compiling serialport v4.9.0
[INFO] [stderr]    Compiling mio-serial v5.0.6
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling rustbac-datalink v0.4.0
[INFO] [stderr]    Compiling tokio-serial v5.4.5
[INFO] [stderr]    Compiling rustbac-mstp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.77s
[INFO] running `Command { std: "docker" "inspect" "f05f683ba165c2fce1cb0434e6973e4a56db372cb5c11d44d9d37badcf290ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05f683ba165c2fce1cb0434e6973e4a56db372cb5c11d44d9d37badcf290ea7", kill_on_drop: false }`
[INFO] [stdout] f05f683ba165c2fce1cb0434e6973e4a56db372cb5c11d44d9d37badcf290ea7
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a4b11b9393d0758e4d578895d312a90d7e56422e639dddf2a155f44e816c98
[INFO] running `Command { std: "docker" "start" "-a" "a1a4b11b9393d0758e4d578895d312a90d7e56422e639dddf2a155f44e816c98", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbac-mstp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "a1a4b11b9393d0758e4d578895d312a90d7e56422e639dddf2a155f44e816c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a4b11b9393d0758e4d578895d312a90d7e56422e639dddf2a155f44e816c98", kill_on_drop: false }`
[INFO] [stdout] a1a4b11b9393d0758e4d578895d312a90d7e56422e639dddf2a155f44e816c98
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3786a96f4e3c52c91676702c4ef189a1e3b72c7a1771b0fd693caa738335f228
[INFO] running `Command { std: "docker" "start" "-a" "3786a96f4e3c52c91676702c4ef189a1e3b72c7a1771b0fd693caa738335f228", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustbac_mstp-cbecd8d1fd47fd4e)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test crc::tests::crc16_deterministic ... ok
[INFO] [stdout] test crc::tests::crc16_roundtrip ... ok
[INFO] [stdout] test crc::tests::crc16_verify_bad_data ... ok
[INFO] [stdout] test crc::tests::crc8_empty ... ok
[INFO] [stdout] test crc::tests::crc8_deterministic ... ok
[INFO] [stdout] test crc::tests::crc8_different_data ... ok
[INFO] [stdout] test crc::tests::crc8_roundtrip ... ok
[INFO] [stdout] test crc::tests::crc8_verify_bad_data ... ok
[INFO] [stdout] test frame::tests::encode_decode_data_frame ... ok
[INFO] [stdout] test frame::tests::encode_decode_token_frame ... ok
[INFO] [stdout] test frame::tests::frame_type_has_data ... ok
[INFO] [stdout] test transport::tests::find_preamble_missing ... ok
[INFO] [stdout] test transport::tests::find_preamble_at_start ... ok
[INFO] [stdout] test transport::tests::find_preamble_offset ... ok
[INFO] [stdout] test transport::tests::next_station_after_basic ... ok
[INFO] [stdout] test transport::tests::mstp_config_defaults ... ok
[INFO] [stdout] test transport::tests::send_broadcast_uses_0xff ... ok
[INFO] [stdout] test transport::tests::token_triggers_queued_frame_send ... ok
[INFO] [stdout] test transport::tests::token_state_initialization ... ok
[INFO] [stdout] test frame::tests::decode_invalid_crc_returns_none ... ok
[INFO] [stdout] test transport::tests::token_state_wrap_around ... ok
[INFO] [stdout] test transport::tests::send_queues_frame ... ok
[INFO] [stdout] test crc::tests::crc16_empty ... ok
[INFO] [stdout] test transport::tests::poll_for_master_generates_reply ... ok
[INFO] [stderr]    Doc-tests rustbac_mstp
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[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" "3786a96f4e3c52c91676702c4ef189a1e3b72c7a1771b0fd693caa738335f228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3786a96f4e3c52c91676702c4ef189a1e3b72c7a1771b0fd693caa738335f228", kill_on_drop: false }`
[INFO] [stdout] 3786a96f4e3c52c91676702c4ef189a1e3b72c7a1771b0fd693caa738335f228
