[INFO] fetching crate js-sys-futures 0.3.4...
[INFO] testing js-sys-futures-0.3.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate js-sys-futures 0.3.4 into /workspace/builds/worker-4-tc2/source
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate js-sys-futures 0.3.4
[INFO] finished tweaking crates.io crate js-sys-futures 0.3.4
[INFO] tweaked toml for crates.io crate js-sys-futures 0.3.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate js-sys-futures 0.3.4 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding js-sys v0.3.57 (available: v0.3.81)
[INFO] [stderr]       Adding wasm-bindgen v0.2.80 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-backend v0.2.80 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-futures v0.4.30 (available: v0.4.54)
[INFO] [stderr]       Adding wasm-bindgen-macro v0.2.80 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-macro-support v0.2.80 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-shared v0.2.80 (available: v0.2.104)
[INFO] [stderr]       Adding wasm-bindgen-test v0.3.30 (available: v0.3.54)
[INFO] [stderr]       Adding wasm-bindgen-test-macro v0.3.30 (available: v0.3.54)
[INFO] [stderr]       Adding web-sys v0.3.57 (available: v0.3.81)
[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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f7d7ed785a9337389c199b213cdf3247137716d9329997a25c6744075554bf
[INFO] running `Command { std: "docker" "start" "-a" "42f7d7ed785a9337389c199b213cdf3247137716d9329997a25c6744075554bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f7d7ed785a9337389c199b213cdf3247137716d9329997a25c6744075554bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f7d7ed785a9337389c199b213cdf3247137716d9329997a25c6744075554bf", kill_on_drop: false }`
[INFO] [stdout] 42f7d7ed785a9337389c199b213cdf3247137716d9329997a25c6744075554bf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1580da2d42cedd437b22df54e8e0c9cc404946cb3f2ba542759379d154d66050
[INFO] running `Command { std: "docker" "start" "-a" "1580da2d42cedd437b22df54e8e0c9cc404946cb3f2ba542759379d154d66050", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.80
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.80
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.80
[INFO] [stdout] error: older versions of the `wasm-bindgen` crate are incompatible with current versions of Rust; please update to `wasm-bindgen` v0.2.88
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bindgen` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "1580da2d42cedd437b22df54e8e0c9cc404946cb3f2ba542759379d154d66050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1580da2d42cedd437b22df54e8e0c9cc404946cb3f2ba542759379d154d66050", kill_on_drop: false }`
[INFO] [stdout] 1580da2d42cedd437b22df54e8e0c9cc404946cb3f2ba542759379d154d66050