[INFO] fetching crate flutter_rust_bridge 2.8.0...
[INFO] building flutter_rust_bridge-2.8.0 against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044-2
[INFO] extracting crate flutter_rust_bridge 2.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate flutter_rust_bridge 2.8.0 on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flutter_rust_bridge 2.8.0
[INFO] finished tweaking crates.io crate flutter_rust_bridge 2.8.0
[INFO] tweaked toml for crates.io crate flutter_rust_bridge 2.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate flutter_rust_bridge 2.8.0 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" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65dee8c5d0f2555e8339dc55ecc7aeb4263d4acec8d95361228fdde3b518e0b1
[INFO] running `Command { std: "docker" "start" "-a" "65dee8c5d0f2555e8339dc55ecc7aeb4263d4acec8d95361228fdde3b518e0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65dee8c5d0f2555e8339dc55ecc7aeb4263d4acec8d95361228fdde3b518e0b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65dee8c5d0f2555e8339dc55ecc7aeb4263d4acec8d95361228fdde3b518e0b1", kill_on_drop: false }`
[INFO] [stdout] 65dee8c5d0f2555e8339dc55ecc7aeb4263d4acec8d95361228fdde3b518e0b1
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47ac28a4c47dc468c53bb39d243e4c1f3c7283a930c4face7aa7dcb0a961b9a
[INFO] running `Command { std: "docker" "start" "-a" "c47ac28a4c47dc468c53bb39d243e4c1f3c7283a930c4face7aa7dcb0a961b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling portable-atomic v1.8.0
[INFO] [stderr]    Compiling build-target v0.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling flutter_rust_bridge v2.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling object v0.31.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling dart-sys v4.1.5
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling allo-isolate v0.1.26
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling flutter_rust_bridge_macros v2.8.0
[INFO] [stderr]    Compiling delegate-attr v0.3.0
[INFO] [stderr]    Compiling futures-executor v0.3.29
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.34s
[INFO] running `Command { std: "docker" "inspect" "c47ac28a4c47dc468c53bb39d243e4c1f3c7283a930c4face7aa7dcb0a961b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47ac28a4c47dc468c53bb39d243e4c1f3c7283a930c4face7aa7dcb0a961b9a", kill_on_drop: false }`
[INFO] [stdout] c47ac28a4c47dc468c53bb39d243e4c1f3c7283a930c4face7aa7dcb0a961b9a
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 056c800cd227944621779e72d411fcbb11a7f8098594f2432317fa8ea5bc1cb2
[INFO] running `Command { std: "docker" "start" "-a" "056c800cd227944621779e72d411fcbb11a7f8098594f2432317fa8ea5bc1cb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling bumpalo v3.13.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.37
[INFO] [stderr]    Compiling indent_write v2.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling cool_asserts v2.0.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling delegate-attr v0.3.0
[INFO] [stderr]    Compiling flutter_rust_bridge_macros v2.8.0
[INFO] [stderr]    Compiling tokio v1.34.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]    Compiling js-sys v0.3.69
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling futures-executor v0.3.29
[INFO] [stderr]    Compiling futures v0.3.29
[INFO] [stderr]    Compiling flutter_rust_bridge v2.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.42
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.37
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 20.35s
[INFO] running `Command { std: "docker" "inspect" "056c800cd227944621779e72d411fcbb11a7f8098594f2432317fa8ea5bc1cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056c800cd227944621779e72d411fcbb11a7f8098594f2432317fa8ea5bc1cb2", kill_on_drop: false }`
[INFO] [stdout] 056c800cd227944621779e72d411fcbb11a7f8098594f2432317fa8ea5bc1cb2