[INFO] fetching crate uart 3.0.1...
[INFO] testing uart-3.0.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate uart 3.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate uart 3.0.1
[INFO] finished tweaking crates.io crate uart 3.0.1
[INFO] tweaked toml for crates.io crate uart 3.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uart 3.0.1 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 uart 3.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e79078ec5c37e21297b7b65b7f05793d83a09041d2ec3cb6e58055cae0e69d49
[INFO] running `Command { std: "docker" "start" "-a" "e79078ec5c37e21297b7b65b7f05793d83a09041d2ec3cb6e58055cae0e69d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e79078ec5c37e21297b7b65b7f05793d83a09041d2ec3cb6e58055cae0e69d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79078ec5c37e21297b7b65b7f05793d83a09041d2ec3cb6e58055cae0e69d49", kill_on_drop: false }`
[INFO] [stdout] e79078ec5c37e21297b7b65b7f05793d83a09041d2ec3cb6e58055cae0e69d49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5a9b32c4e937ff0907dfa91a939cc30a75fb78f14ded6e355c8e31d6268bd3cf
[INFO] running `Command { std: "docker" "start" "-a" "5a9b32c4e937ff0907dfa91a939cc30a75fb78f14ded6e355c8e31d6268bd3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling uart v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "5a9b32c4e937ff0907dfa91a939cc30a75fb78f14ded6e355c8e31d6268bd3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9b32c4e937ff0907dfa91a939cc30a75fb78f14ded6e355c8e31d6268bd3cf", kill_on_drop: false }`
[INFO] [stdout] 5a9b32c4e937ff0907dfa91a939cc30a75fb78f14ded6e355c8e31d6268bd3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5c064c19afc68e7019ef885bde027fbed27527f0f88023c14f416aa0c9087d81
[INFO] running `Command { std: "docker" "start" "-a" "5c064c19afc68e7019ef885bde027fbed27527f0f88023c14f416aa0c9087d81", kill_on_drop: false }`
[INFO] [stderr]    Compiling uart v3.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "5c064c19afc68e7019ef885bde027fbed27527f0f88023c14f416aa0c9087d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c064c19afc68e7019ef885bde027fbed27527f0f88023c14f416aa0c9087d81", kill_on_drop: false }`
[INFO] [stdout] 5c064c19afc68e7019ef885bde027fbed27527f0f88023c14f416aa0c9087d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ac9a274cd437c30ca9ec3d8ee083e55551eeddefa103735b2735d6f9b321787b
[INFO] running `Command { std: "docker" "start" "-a" "ac9a274cd437c30ca9ec3d8ee083e55551eeddefa103735b2735d6f9b321787b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uart-320ec24b3d02cb0a)
[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 uart
[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" "ac9a274cd437c30ca9ec3d8ee083e55551eeddefa103735b2735d6f9b321787b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9a274cd437c30ca9ec3d8ee083e55551eeddefa103735b2735d6f9b321787b", kill_on_drop: false }`
[INFO] [stdout] ac9a274cd437c30ca9ec3d8ee083e55551eeddefa103735b2735d6f9b321787b