[INFO] fetching crate ffi_rpc 0.6.0...
[INFO] testing ffi_rpc-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ffi_rpc 0.6.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ffi_rpc 0.6.0
[INFO] finished tweaking crates.io crate ffi_rpc 0.6.0
[INFO] tweaked toml for crates.io crate ffi_rpc 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffi_rpc 0.6.0 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] crate crates.io crate ffi_rpc 0.6.0 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" "+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] 2f24ea60169f410e58edbb4c80549fc547bb693589093db92ec413d791d55d06
[INFO] running `Command { std: "docker" "start" "-a" "2f24ea60169f410e58edbb4c80549fc547bb693589093db92ec413d791d55d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f24ea60169f410e58edbb4c80549fc547bb693589093db92ec413d791d55d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f24ea60169f410e58edbb4c80549fc547bb693589093db92ec413d791d55d06", kill_on_drop: false }`
[INFO] [stdout] 2f24ea60169f410e58edbb4c80549fc547bb693589093db92ec413d791d55d06
[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] 284ceda6a14699cfdeb284c3723692090e8ba6e1c1cf3861b50e4b938b9d1349
[INFO] running `Command { std: "docker" "start" "-a" "284ceda6a14699cfdeb284c3723692090e8ba6e1c1cf3861b50e4b938b9d1349", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling core_extensions v1.5.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.5.3
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]    Compiling abi_stable_shared v0.11.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling generational-arena v0.2.9
[INFO] [stderr]    Compiling const_panic v0.2.12
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling tstr v0.2.4
[INFO] [stderr]    Compiling repr_offset v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling async-ffi-macros v0.5.0
[INFO] [stderr]    Compiling ffi_rpc_macro v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.87
[INFO] [stderr]    Compiling as_derive_utils v0.11.0
[INFO] [stderr]    Compiling abi_stable_derive v0.11.3
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling abi_stable v0.11.3
[INFO] [stderr]    Compiling async-ffi v0.5.0
[INFO] [stderr]    Compiling ffi_rpc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.60s
[INFO] running `Command { std: "docker" "inspect" "284ceda6a14699cfdeb284c3723692090e8ba6e1c1cf3861b50e4b938b9d1349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284ceda6a14699cfdeb284c3723692090e8ba6e1c1cf3861b50e4b938b9d1349", kill_on_drop: false }`
[INFO] [stdout] 284ceda6a14699cfdeb284c3723692090e8ba6e1c1cf3861b50e4b938b9d1349
[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] 83a9e7ab3ce7440dec8589fa15e42be3d010a6fa14211934ca64142701e85986
[INFO] running `Command { std: "docker" "start" "-a" "83a9e7ab3ce7440dec8589fa15e42be3d010a6fa14211934ca64142701e85986", kill_on_drop: false }`
[INFO] [stderr]    Compiling ffi_rpc v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "83a9e7ab3ce7440dec8589fa15e42be3d010a6fa14211934ca64142701e85986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a9e7ab3ce7440dec8589fa15e42be3d010a6fa14211934ca64142701e85986", kill_on_drop: false }`
[INFO] [stdout] 83a9e7ab3ce7440dec8589fa15e42be3d010a6fa14211934ca64142701e85986
[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] 9a9fb7fb4ed83057c2a72048865331f709f17951147b79bb8656ffc11f6c10a7
[INFO] running `Command { std: "docker" "start" "-a" "9a9fb7fb4ed83057c2a72048865331f709f17951147b79bb8656ffc11f6c10a7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ffi_rpc-15cfb4bfbeba635f)
[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 ffi_rpc
[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" "9a9fb7fb4ed83057c2a72048865331f709f17951147b79bb8656ffc11f6c10a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9fb7fb4ed83057c2a72048865331f709f17951147b79bb8656ffc11f6c10a7", kill_on_drop: false }`
[INFO] [stdout] 9a9fb7fb4ed83057c2a72048865331f709f17951147b79bb8656ffc11f6c10a7