[INFO] fetching crate serial-thread 0.0.7...
[INFO] testing serial-thread-0.0.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate serial-thread 0.0.7 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate serial-thread 0.0.7
[INFO] finished tweaking crates.io crate serial-thread 0.0.7
[INFO] tweaked toml for crates.io crate serial-thread 0.0.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial-thread 0.0.7 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]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding core-foundation v0.10.0 (available: v0.10.1)
[INFO] [stderr]       Adding quote v1.0.40 (available: v1.0.41)
[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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3695a1447c68a69cfd97e547e9363893ccd42c264abae8da036afdc9995dcc13
[INFO] running `Command { std: "docker" "start" "-a" "3695a1447c68a69cfd97e547e9363893ccd42c264abae8da036afdc9995dcc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3695a1447c68a69cfd97e547e9363893ccd42c264abae8da036afdc9995dcc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3695a1447c68a69cfd97e547e9363893ccd42c264abae8da036afdc9995dcc13", kill_on_drop: false }`
[INFO] [stdout] 3695a1447c68a69cfd97e547e9363893ccd42c264abae8da036afdc9995dcc13
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f3aaaaa0f9144d840a4db4a37f7197070a7579a3823d64ee3cbb2a4feb30bbb
[INFO] running `Command { std: "docker" "start" "-a" "9f3aaaaa0f9144d840a4db4a37f7197070a7579a3823d64ee3cbb2a4feb30bbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling ioctl-rs v0.1.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling unescaper v0.1.6
[INFO] [stderr]    Compiling serialport v4.8.1
[INFO] [stderr]    Compiling serial-thread v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.97s
[INFO] running `Command { std: "docker" "inspect" "9f3aaaaa0f9144d840a4db4a37f7197070a7579a3823d64ee3cbb2a4feb30bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3aaaaa0f9144d840a4db4a37f7197070a7579a3823d64ee3cbb2a4feb30bbb", kill_on_drop: false }`
[INFO] [stdout] 9f3aaaaa0f9144d840a4db4a37f7197070a7579a3823d64ee3cbb2a4feb30bbb
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d83def07dbbf12bc0b9e44320c4270190c1b483f5162aac17131ba31d35a4f1
[INFO] running `Command { std: "docker" "start" "-a" "3d83def07dbbf12bc0b9e44320c4270190c1b483f5162aac17131ba31d35a4f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial-thread v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "3d83def07dbbf12bc0b9e44320c4270190c1b483f5162aac17131ba31d35a4f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d83def07dbbf12bc0b9e44320c4270190c1b483f5162aac17131ba31d35a4f1", kill_on_drop: false }`
[INFO] [stdout] 3d83def07dbbf12bc0b9e44320c4270190c1b483f5162aac17131ba31d35a4f1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd854c7f9a2c40e369059421aaabc82a39c9014b9ceaa3f62a80600f35b00de9
[INFO] running `Command { std: "docker" "start" "-a" "bd854c7f9a2c40e369059421aaabc82a39c9014b9ceaa3f62a80600f35b00de9", 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/serial_thread-be935e447502ec3e)
[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] [stderr]    Doc-tests serial_thread
[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" "bd854c7f9a2c40e369059421aaabc82a39c9014b9ceaa3f62a80600f35b00de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd854c7f9a2c40e369059421aaabc82a39c9014b9ceaa3f62a80600f35b00de9", kill_on_drop: false }`
[INFO] [stdout] bd854c7f9a2c40e369059421aaabc82a39c9014b9ceaa3f62a80600f35b00de9