[INFO] fetching crate vcontrol 0.4.0...
[INFO] testing vcontrol-0.4.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vcontrol 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate vcontrol 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vcontrol 0.4.0
[INFO] tweaked toml for crates.io crate vcontrol 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vcontrol 0.4.0 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] crate crates.io crate vcontrol 0.4.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af7332b645526c17f3d52d38d883b4666c92a3e905366e9775e6a1f89d05c21c
[INFO] running `Command { std: "docker" "start" "-a" "af7332b645526c17f3d52d38d883b4666c92a3e905366e9775e6a1f89d05c21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af7332b645526c17f3d52d38d883b4666c92a3e905366e9775e6a1f89d05c21c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7332b645526c17f3d52d38d883b4666c92a3e905366e9775e6a1f89d05c21c", kill_on_drop: false }`
[INFO] [stdout] af7332b645526c17f3d52d38d883b4666c92a3e905366e9775e6a1f89d05c21c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41cf5383348927ee9644fb6f32dcb12bf37c530a487a0c8fb912038d35e86d21
[INFO] running `Command { std: "docker" "start" "-a" "41cf5383348927ee9644fb6f32dcb12bf37c530a487a0c8fb912038d35e86d21", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling chrono v0.4.40
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling num_enum_derive v0.7.3
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling num_enum v0.7.3
[INFO] [stderr]    Compiling pin-project v1.1.10
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling unescaper v0.1.5
[INFO] [stderr]    Compiling serialport v4.7.1
[INFO] [stderr]    Compiling mio-serial v5.0.6
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tokio-serial v5.4.5
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling vcontrol v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "41cf5383348927ee9644fb6f32dcb12bf37c530a487a0c8fb912038d35e86d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cf5383348927ee9644fb6f32dcb12bf37c530a487a0c8fb912038d35e86d21", kill_on_drop: false }`
[INFO] [stdout] 41cf5383348927ee9644fb6f32dcb12bf37c530a487a0c8fb912038d35e86d21
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1619b8c48c382e964da170a34761f6e6625ef834555f7d32f10e11f2b315492
[INFO] running `Command { std: "docker" "start" "-a" "b1619b8c48c382e964da170a34761f6e6625ef834555f7d32f10e11f2b315492", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling vcontrol v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `vcontrol` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name vcontrol --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("cat", "cli", "impl_json_schema", "scan", "webthing"))' -C metadata=3873be55752cc6da -C extra-filename=-a1f3d76e5988ddc1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-81fde35c69841043.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-0bb4c1aaecad48a6.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-48466c477392d3b0.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-9c5892e2c6fd8400.rlib --extern num_enum=/opt/rustwide/target/debug/deps/libnum_enum-2f8ea3b577aa5172.rlib --extern phf=/opt/rustwide/target/debug/deps/libphf-13e2a9fd07ee0a2b.rlib --extern phf_shared=/opt/rustwide/target/debug/deps/libphf_shared-0650dd6520db0cb9.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-be1fde785eab7458.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-a95d84329cdddaef.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-672abda00df8b411.rlib --extern serialport=/opt/rustwide/target/debug/deps/libserialport-87ca97904a431236.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-93b64e35da7fe39a.rlib --extern tokio_serial=/opt/rustwide/target/debug/deps/libtokio_serial-96fb31f7132c88cb.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1619b8c48c382e964da170a34761f6e6625ef834555f7d32f10e11f2b315492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1619b8c48c382e964da170a34761f6e6625ef834555f7d32f10e11f2b315492", kill_on_drop: false }`
[INFO] [stdout] b1619b8c48c382e964da170a34761f6e6625ef834555f7d32f10e11f2b315492