[INFO] fetching crate wolffserial 0.2.1...
[INFO] testing wolffserial-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate wolffserial 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wolffserial 0.2.1
[INFO] finished tweaking crates.io crate wolffserial 0.2.1
[INFO] tweaked toml for crates.io crate wolffserial 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wolffserial 0.2.1 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 wolffserial 0.2.1 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] 85d4ef0cbcecd69cb1275d035aac69ea7caa5fb235064d53ab17165513827136
[INFO] running `Command { std: "docker" "start" "-a" "85d4ef0cbcecd69cb1275d035aac69ea7caa5fb235064d53ab17165513827136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85d4ef0cbcecd69cb1275d035aac69ea7caa5fb235064d53ab17165513827136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d4ef0cbcecd69cb1275d035aac69ea7caa5fb235064d53ab17165513827136", kill_on_drop: false }`
[INFO] [stdout] 85d4ef0cbcecd69cb1275d035aac69ea7caa5fb235064d53ab17165513827136
[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] 39004eb5d00acd85f41a02eb183044c95f566717a9d30a8422de5ed7f0fab718
[INFO] running `Command { std: "docker" "start" "-a" "39004eb5d00acd85f41a02eb183044c95f566717a9d30a8422de5ed7f0fab718", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling hashbrown v0.12.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.24.1
[INFO] [stderr]    Compiling libudev v0.3.0
[INFO] [stderr]    Compiling clap v3.2.8
[INFO] [stderr]    Compiling serialport v4.2.0
[INFO] [stderr]    Compiling wolffserial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "39004eb5d00acd85f41a02eb183044c95f566717a9d30a8422de5ed7f0fab718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39004eb5d00acd85f41a02eb183044c95f566717a9d30a8422de5ed7f0fab718", kill_on_drop: false }`
[INFO] [stdout] 39004eb5d00acd85f41a02eb183044c95f566717a9d30a8422de5ed7f0fab718
[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] 4b26a4f3c2eb48e1594ae97df0528e1ece5ccb709a9d5a97795e54d0483bd54f
[INFO] running `Command { std: "docker" "start" "-a" "4b26a4f3c2eb48e1594ae97df0528e1ece5ccb709a9d5a97795e54d0483bd54f", kill_on_drop: false }`
[INFO] [stderr]    Compiling wolffserial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "4b26a4f3c2eb48e1594ae97df0528e1ece5ccb709a9d5a97795e54d0483bd54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b26a4f3c2eb48e1594ae97df0528e1ece5ccb709a9d5a97795e54d0483bd54f", kill_on_drop: false }`
[INFO] [stdout] 4b26a4f3c2eb48e1594ae97df0528e1ece5ccb709a9d5a97795e54d0483bd54f
[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", kill_on_drop: false }`
[INFO] [stdout] aafb7776cdf59234da98a64a1c05aa618ff56b256b3a1d4ca3440bedf37070cd
[INFO] running `Command { std: "docker" "start" "-a" "aafb7776cdf59234da98a64a1c05aa618ff56b256b3a1d4ca3440bedf37070cd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wolffserial-464ffd08ce52fdb8)
[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" "aafb7776cdf59234da98a64a1c05aa618ff56b256b3a1d4ca3440bedf37070cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aafb7776cdf59234da98a64a1c05aa618ff56b256b3a1d4ca3440bedf37070cd", kill_on_drop: false }`
[INFO] [stdout] aafb7776cdf59234da98a64a1c05aa618ff56b256b3a1d4ca3440bedf37070cd