[INFO] fetching crate serialport_low_latency 0.1.2...
[INFO] testing serialport_low_latency-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serialport_low_latency 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate serialport_low_latency 0.1.2
[INFO] finished tweaking crates.io crate serialport_low_latency 0.1.2
[INFO] tweaked toml for crates.io crate serialport_low_latency 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serialport_low_latency 0.1.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serialport_low_latency 0.1.2 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0462bd636d3b34d40b69ea12eaccf4c9cc64adc5b214e0a0c5c280f711bd80c4
[INFO] running `Command { std: "docker" "start" "-a" "0462bd636d3b34d40b69ea12eaccf4c9cc64adc5b214e0a0c5c280f711bd80c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0462bd636d3b34d40b69ea12eaccf4c9cc64adc5b214e0a0c5c280f711bd80c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0462bd636d3b34d40b69ea12eaccf4c9cc64adc5b214e0a0c5c280f711bd80c4", kill_on_drop: false }`
[INFO] [stdout] 0462bd636d3b34d40b69ea12eaccf4c9cc64adc5b214e0a0c5c280f711bd80c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e7499d94249f60361cfc4d873874f91251594caf3a5fb05191011b774aba7a
[INFO] running `Command { std: "docker" "start" "-a" "35e7499d94249f60361cfc4d873874f91251594caf3a5fb05191011b774aba7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling libloading v0.8.6
[INFO] [stderr]    Compiling bindgen v0.71.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling nix v0.30.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling unescaper v0.1.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling serialport v4.7.1
[INFO] [stderr]    Compiling serialport_low_latency v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.36s
[INFO] running `Command { std: "docker" "inspect" "35e7499d94249f60361cfc4d873874f91251594caf3a5fb05191011b774aba7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e7499d94249f60361cfc4d873874f91251594caf3a5fb05191011b774aba7a", kill_on_drop: false }`
[INFO] [stdout] 35e7499d94249f60361cfc4d873874f91251594caf3a5fb05191011b774aba7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623d4b7a4147acd08b384fdb95ebd6060999f22ca91f55bf3f81a92372903ba9
[INFO] running `Command { std: "docker" "start" "-a" "623d4b7a4147acd08b384fdb95ebd6060999f22ca91f55bf3f81a92372903ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serialport_low_latency v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "623d4b7a4147acd08b384fdb95ebd6060999f22ca91f55bf3f81a92372903ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623d4b7a4147acd08b384fdb95ebd6060999f22ca91f55bf3f81a92372903ba9", kill_on_drop: false }`
[INFO] [stdout] 623d4b7a4147acd08b384fdb95ebd6060999f22ca91f55bf3f81a92372903ba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69f30d8ff8cd34a644a3402463b50dbae9a43d930a28ee4913f69348395b1dff
[INFO] running `Command { std: "docker" "start" "-a" "69f30d8ff8cd34a644a3402463b50dbae9a43d930a28ee4913f69348395b1dff", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serialport_low_latency-50e9b97b84b1c1c7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::unified_test ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69f30d8ff8cd34a644a3402463b50dbae9a43d930a28ee4913f69348395b1dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f30d8ff8cd34a644a3402463b50dbae9a43d930a28ee4913f69348395b1dff", kill_on_drop: false }`
[INFO] [stdout] 69f30d8ff8cd34a644a3402463b50dbae9a43d930a28ee4913f69348395b1dff