[INFO] fetching crate serial2-async-std 0.0.0...
[INFO] testing serial2-async-std-0.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate serial2-async-std 0.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate serial2-async-std 0.0.0
[INFO] finished tweaking crates.io crate serial2-async-std 0.0.0
[INFO] tweaked toml for crates.io crate serial2-async-std 0.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serial2-async-std 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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] ff3ee10e0b6ef89e40b4adfabb0e1f2e386bab6fbe300b4d369adb3d1124c3e8
[INFO] running `Command { std: "docker" "start" "-a" "ff3ee10e0b6ef89e40b4adfabb0e1f2e386bab6fbe300b4d369adb3d1124c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff3ee10e0b6ef89e40b4adfabb0e1f2e386bab6fbe300b4d369adb3d1124c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff3ee10e0b6ef89e40b4adfabb0e1f2e386bab6fbe300b4d369adb3d1124c3e8", kill_on_drop: false }`
[INFO] [stdout] ff3ee10e0b6ef89e40b4adfabb0e1f2e386bab6fbe300b4d369adb3d1124c3e8
[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] 20ae0158c3a5be307cfcc4fd9d9b7f692646a863022e178991d6b5233f12107c
[INFO] running `Command { std: "docker" "start" "-a" "20ae0158c3a5be307cfcc4fd9d9b7f692646a863022e178991d6b5233f12107c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2-async-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "20ae0158c3a5be307cfcc4fd9d9b7f692646a863022e178991d6b5233f12107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ae0158c3a5be307cfcc4fd9d9b7f692646a863022e178991d6b5233f12107c", kill_on_drop: false }`
[INFO] [stdout] 20ae0158c3a5be307cfcc4fd9d9b7f692646a863022e178991d6b5233f12107c
[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] 33756230b789b269ff24a0cb396524d7900c064381a4d063ae9518bf6734c602
[INFO] running `Command { std: "docker" "start" "-a" "33756230b789b269ff24a0cb396524d7900c064381a4d063ae9518bf6734c602", kill_on_drop: false }`
[INFO] [stderr]    Compiling serial2-async-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "33756230b789b269ff24a0cb396524d7900c064381a4d063ae9518bf6734c602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33756230b789b269ff24a0cb396524d7900c064381a4d063ae9518bf6734c602", kill_on_drop: false }`
[INFO] [stdout] 33756230b789b269ff24a0cb396524d7900c064381a4d063ae9518bf6734c602
[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] 4225e016fabcdfd9c056f549e789fd9d5ce12f2d3515e9fb5fe1f65a061e8c84
[INFO] running `Command { std: "docker" "start" "-a" "4225e016fabcdfd9c056f549e789fd9d5ce12f2d3515e9fb5fe1f65a061e8c84", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serial2_async_std-e2b3c8cbc5004ae7)
[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 serial2_async_std
[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" "4225e016fabcdfd9c056f549e789fd9d5ce12f2d3515e9fb5fe1f65a061e8c84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4225e016fabcdfd9c056f549e789fd9d5ce12f2d3515e9fb5fe1f65a061e8c84", kill_on_drop: false }`
[INFO] [stdout] 4225e016fabcdfd9c056f549e789fd9d5ce12f2d3515e9fb5fe1f65a061e8c84
