[INFO] fetching crate sergw 0.3.0...
[INFO] testing sergw-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sergw 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sergw 0.3.0
[INFO] finished tweaking crates.io crate sergw 0.3.0
[INFO] tweaked toml for crates.io crate sergw 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sergw 0.3.0 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] crate crates.io crate sergw 0.3.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 304896be1cf712040435b5ae23f9e6207bc68c396d77681bdff415cad1bbf49f
[INFO] running `Command { std: "docker" "start" "-a" "304896be1cf712040435b5ae23f9e6207bc68c396d77681bdff415cad1bbf49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "304896be1cf712040435b5ae23f9e6207bc68c396d77681bdff415cad1bbf49f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304896be1cf712040435b5ae23f9e6207bc68c396d77681bdff415cad1bbf49f", kill_on_drop: false }`
[INFO] [stdout] 304896be1cf712040435b5ae23f9e6207bc68c396d77681bdff415cad1bbf49f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 29838d45d9e74116aab27240468fdb0073d0eb1c85940c462a119659f5d35a16
[INFO] running `Command { std: "docker" "start" "-a" "29838d45d9e74116aab27240468fdb0073d0eb1c85940c462a119659f5d35a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling anstream v0.6.20
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling clap_builder v4.5.43
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling nix v0.23.2
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling if-addrs v0.7.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ctrlc v3.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling stability v0.2.1
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling unescaper v0.1.6
[INFO] [stderr]    Compiling serialport v4.7.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling clap v4.5.43
[INFO] [stderr]    Compiling ratatui v0.26.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling libmdns v0.7.5
[INFO] [stderr]    Compiling sergw v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.55s
[INFO] running `Command { std: "docker" "inspect" "29838d45d9e74116aab27240468fdb0073d0eb1c85940c462a119659f5d35a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29838d45d9e74116aab27240468fdb0073d0eb1c85940c462a119659f5d35a16", kill_on_drop: false }`
[INFO] [stdout] 29838d45d9e74116aab27240468fdb0073d0eb1c85940c462a119659f5d35a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0bce80b070523d4026ebd06422a290c0be364f267736360fd9ed03e311541361
[INFO] running `Command { std: "docker" "start" "-a" "0bce80b070523d4026ebd06422a290c0be364f267736360fd9ed03e311541361", kill_on_drop: false }`
[INFO] [stderr]    Compiling sergw v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "0bce80b070523d4026ebd06422a290c0be364f267736360fd9ed03e311541361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bce80b070523d4026ebd06422a290c0be364f267736360fd9ed03e311541361", kill_on_drop: false }`
[INFO] [stdout] 0bce80b070523d4026ebd06422a290c0be364f267736360fd9ed03e311541361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6315d309d9b24bd94b6e19278c4615b036e1819d9ff8c0a1a59c04ae5b4f3b17
[INFO] running `Command { std: "docker" "start" "-a" "6315d309d9b24bd94b6e19278c4615b036e1819d9ff8c0a1a59c04ae5b4f3b17", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sergw-fd348263c3ea0a0f)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test cli::tests::parse_ports_json ... ok
[INFO] [stdout] test cli::tests::parse_listen_defaults ... ok
[INFO] [stdout] test cli::tests::parse_listen_values ... ok
[INFO] [stdout] test metrics::tests::ewma_smooths_rate ... ok
[INFO] [stdout] test serial::io::tests::test_decide_port_none_multiple ... ok
[INFO] [stdout] test serial::io::tests::test_decide_port_none_single ... ok
[INFO] [stdout] test serial::io::tests::test_decide_port_explicit ... ok
[INFO] [stdout] test serial::io::tests::test_decide_port_none_zero ... ok
[INFO] [stdout] test state::tests::dispose_clears_all_connections ... ok
[INFO] [stdout] test state::tests::broadcast_removes_slow_receivers_on_full ... ok
[INFO] [stdout] test tests::exit_code_bind_like_io_error ... ok
[INFO] [stdout] test tests::exit_code_multiple_ports ... ok
[INFO] [stdout] test state::tests::broadcast_delivers_to_multiple_alive_receivers ... ok
[INFO] [stdout] test tests::exit_code_other ... ok
[INFO] [stdout] test tests::exit_code_no_ports ... ok
[INFO] [stdout] test state::tests::broadcast_removes_dead_receivers ... ok
[INFO] [stdout] test tests::exit_code_serial_error ... ok
[INFO] [stdout] test net::server::itests::tcp_to_serial_and_back ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6315d309d9b24bd94b6e19278c4615b036e1819d9ff8c0a1a59c04ae5b4f3b17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6315d309d9b24bd94b6e19278c4615b036e1819d9ff8c0a1a59c04ae5b4f3b17", kill_on_drop: false }`
[INFO] [stdout] 6315d309d9b24bd94b6e19278c4615b036e1819d9ff8c0a1a59c04ae5b4f3b17
