[INFO] fetching crate externref_polyfill 0.1.0...
[INFO] testing externref_polyfill-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate externref_polyfill 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate externref_polyfill 0.1.0
[INFO] finished tweaking crates.io crate externref_polyfill 0.1.0
[INFO] tweaked toml for crates.io crate externref_polyfill 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate externref_polyfill 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 97f72ccb992cf44cb7691a0306cf0132d58aa210d657b37ffcdf149512d1e391
[INFO] running `Command { std: "docker" "start" "-a" "97f72ccb992cf44cb7691a0306cf0132d58aa210d657b37ffcdf149512d1e391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f72ccb992cf44cb7691a0306cf0132d58aa210d657b37ffcdf149512d1e391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f72ccb992cf44cb7691a0306cf0132d58aa210d657b37ffcdf149512d1e391", kill_on_drop: false }`
[INFO] [stdout] 97f72ccb992cf44cb7691a0306cf0132d58aa210d657b37ffcdf149512d1e391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fdd9c34a3a5f1c767c8b8fd91ebb92bb87e5dad7029377996e4a4aa0beb2b6ff
[INFO] running `Command { std: "docker" "start" "-a" "fdd9c34a3a5f1c767c8b8fd91ebb92bb87e5dad7029377996e4a4aa0beb2b6ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling externref_polyfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "fdd9c34a3a5f1c767c8b8fd91ebb92bb87e5dad7029377996e4a4aa0beb2b6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd9c34a3a5f1c767c8b8fd91ebb92bb87e5dad7029377996e4a4aa0beb2b6ff", kill_on_drop: false }`
[INFO] [stdout] fdd9c34a3a5f1c767c8b8fd91ebb92bb87e5dad7029377996e4a4aa0beb2b6ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6f52d8c538b8e38203236e6c54c50cb2745b7fc1388c04c054509ffd03bee994
[INFO] running `Command { std: "docker" "start" "-a" "6f52d8c538b8e38203236e6c54c50cb2745b7fc1388c04c054509ffd03bee994", kill_on_drop: false }`
[INFO] [stderr]    Compiling externref_polyfill v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "6f52d8c538b8e38203236e6c54c50cb2745b7fc1388c04c054509ffd03bee994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f52d8c538b8e38203236e6c54c50cb2745b7fc1388c04c054509ffd03bee994", kill_on_drop: false }`
[INFO] [stdout] 6f52d8c538b8e38203236e6c54c50cb2745b7fc1388c04c054509ffd03bee994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5709c520911c314fab7f94f8b7c0e5e70d9690227ee83ad4f8ffe16f077891ef
[INFO] running `Command { std: "docker" "start" "-a" "5709c520911c314fab7f94f8b7c0e5e70d9690227ee83ad4f8ffe16f077891ef", 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/externref_polyfill-d73895c235e6f049)
[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 externref_polyfill
[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" "5709c520911c314fab7f94f8b7c0e5e70d9690227ee83ad4f8ffe16f077891ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5709c520911c314fab7f94f8b7c0e5e70d9690227ee83ad4f8ffe16f077891ef", kill_on_drop: false }`
[INFO] [stdout] 5709c520911c314fab7f94f8b7c0e5e70d9690227ee83ad4f8ffe16f077891ef