[INFO] fetching crate dart-sdk-sys 3.8.1...
[INFO] testing dart-sdk-sys-3.8.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dart-sdk-sys 3.8.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate dart-sdk-sys 3.8.1
[INFO] finished tweaking crates.io crate dart-sdk-sys 3.8.1
[INFO] tweaked toml for crates.io crate dart-sdk-sys 3.8.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dart-sdk-sys 3.8.1 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 dart-sdk-sys 3.8.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 888e9b2c21cb5ba4f1130e8a48d1d0b16019241e46c042ea873cf8f1a7985f54
[INFO] running `Command { std: "docker" "start" "-a" "888e9b2c21cb5ba4f1130e8a48d1d0b16019241e46c042ea873cf8f1a7985f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "888e9b2c21cb5ba4f1130e8a48d1d0b16019241e46c042ea873cf8f1a7985f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888e9b2c21cb5ba4f1130e8a48d1d0b16019241e46c042ea873cf8f1a7985f54", kill_on_drop: false }`
[INFO] [stdout] 888e9b2c21cb5ba4f1130e8a48d1d0b16019241e46c042ea873cf8f1a7985f54
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebdb6e49453e00a59976f782b63da5f1acfd71bb3aac90f96ac428054a739c79
[INFO] running `Command { std: "docker" "start" "-a" "ebdb6e49453e00a59976f782b63da5f1acfd71bb3aac90f96ac428054a739c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling dart-sdk-sys v3.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "ebdb6e49453e00a59976f782b63da5f1acfd71bb3aac90f96ac428054a739c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdb6e49453e00a59976f782b63da5f1acfd71bb3aac90f96ac428054a739c79", kill_on_drop: false }`
[INFO] [stdout] ebdb6e49453e00a59976f782b63da5f1acfd71bb3aac90f96ac428054a739c79
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a9c726e37c9cf49c77c2cac69122c35aac7a97296d231e1363ef90462f8f4ab
[INFO] running `Command { std: "docker" "start" "-a" "4a9c726e37c9cf49c77c2cac69122c35aac7a97296d231e1363ef90462f8f4ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling dart-sdk-sys v3.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4a9c726e37c9cf49c77c2cac69122c35aac7a97296d231e1363ef90462f8f4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a9c726e37c9cf49c77c2cac69122c35aac7a97296d231e1363ef90462f8f4ab", kill_on_drop: false }`
[INFO] [stdout] 4a9c726e37c9cf49c77c2cac69122c35aac7a97296d231e1363ef90462f8f4ab
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72b3818f3e19bff90c6f0aca5f7f66e52c9ca506b48359ad7dfbba93383dac4e
[INFO] running `Command { std: "docker" "start" "-a" "72b3818f3e19bff90c6f0aca5f7f66e52c9ca506b48359ad7dfbba93383dac4e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dart_sdk_sys-5c6515ef7dd4fd3c)
[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 dart_sdk_sys
[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" "72b3818f3e19bff90c6f0aca5f7f66e52c9ca506b48359ad7dfbba93383dac4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72b3818f3e19bff90c6f0aca5f7f66e52c9ca506b48359ad7dfbba93383dac4e", kill_on_drop: false }`
[INFO] [stdout] 72b3818f3e19bff90c6f0aca5f7f66e52c9ca506b48359ad7dfbba93383dac4e