[INFO] fetching crate polymers 0.3.7...
[INFO] testing polymers-0.3.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate polymers 0.3.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate polymers 0.3.7
[INFO] finished tweaking crates.io crate polymers 0.3.7
[INFO] tweaked toml for crates.io crate polymers 0.3.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polymers 0.3.7 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding numpy v0.19.0 (available: v0.27.0)
[INFO] [stderr]       Adding pyo3 v0.19.2 (available: v0.27.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[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-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] cdbeafd40f1d4c09d2772b4c65d6da0caf24990f3ea2a682297b36409ff582d6
[INFO] running `Command { std: "docker" "start" "-a" "cdbeafd40f1d4c09d2772b4c65d6da0caf24990f3ea2a682297b36409ff582d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdbeafd40f1d4c09d2772b4c65d6da0caf24990f3ea2a682297b36409ff582d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdbeafd40f1d4c09d2772b4c65d6da0caf24990f3ea2a682297b36409ff582d6", kill_on_drop: false }`
[INFO] [stdout] cdbeafd40f1d4c09d2772b4c65d6da0caf24990f3ea2a682297b36409ff582d6
[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] 37baa5cafe72b1876b3aca8e05f64c130dd39c65e3b1d0ca02b382c5dd8184ce
[INFO] running `Command { std: "docker" "start" "-a" "37baa5cafe72b1876b3aca8e05f64c130dd39c65e3b1d0ca02b382c5dd8184ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling polymers v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 5.12s
[INFO] running `Command { std: "docker" "inspect" "37baa5cafe72b1876b3aca8e05f64c130dd39c65e3b1d0ca02b382c5dd8184ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37baa5cafe72b1876b3aca8e05f64c130dd39c65e3b1d0ca02b382c5dd8184ce", kill_on_drop: false }`
[INFO] [stdout] 37baa5cafe72b1876b3aca8e05f64c130dd39c65e3b1d0ca02b382c5dd8184ce
[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] 14d7e5bf48546cc1e1fbb2eaec9f60534bf0ffc47c396524e470be1692311ffb
[INFO] running `Command { std: "docker" "start" "-a" "14d7e5bf48546cc1e1fbb2eaec9f60534bf0ffc47c396524e470be1692311ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling polymers v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `polymers` (lib test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-10-28-x86_64-unknown-linux-gnu/bin/rustc --crate-name polymers --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C opt-level=3 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("extern", "python"))' -C metadata=4796f71cddff9608 -C extra-filename=-b049feb6a9054784 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-e7d55e985973eef2.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "14d7e5bf48546cc1e1fbb2eaec9f60534bf0ffc47c396524e470be1692311ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d7e5bf48546cc1e1fbb2eaec9f60534bf0ffc47c396524e470be1692311ffb", kill_on_drop: false }`
[INFO] [stdout] 14d7e5bf48546cc1e1fbb2eaec9f60534bf0ffc47c396524e470be1692311ffb