[INFO] fetching crate flutter_rust_bridge 1.22.0...
[INFO] testing flutter_rust_bridge-1.22.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flutter_rust_bridge 1.22.0 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate flutter_rust_bridge 1.22.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flutter_rust_bridge 1.22.0
[INFO] finished tweaking crates.io crate flutter_rust_bridge 1.22.0
[INFO] tweaked toml for crates.io crate flutter_rust_bridge 1.22.0 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flutter_rust_bridge_macros v1.22.0
[INFO] [stderr]   Downloaded allo-isolate v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef35ed794f52da599799aaba13f3d44b361cdaed4ec1ee32c9ebedb8188d4145
[INFO] running `Command { std: "docker" "start" "-a" "ef35ed794f52da599799aaba13f3d44b361cdaed4ec1ee32c9ebedb8188d4145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef35ed794f52da599799aaba13f3d44b361cdaed4ec1ee32c9ebedb8188d4145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef35ed794f52da599799aaba13f3d44b361cdaed4ec1ee32c9ebedb8188d4145", kill_on_drop: false }`
[INFO] [stdout] ef35ed794f52da599799aaba13f3d44b361cdaed4ec1ee32c9ebedb8188d4145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 943e80a5dbf2e450739d8bf60616a76ead5e43a9e97daeb55e9a54953bd8541b
[INFO] running `Command { std: "docker" "start" "-a" "943e80a5dbf2e450739d8bf60616a76ead5e43a9e97daeb55e9a54953bd8541b", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling anyhow v1.0.55
[INFO] [stderr]    Compiling flutter_rust_bridge_macros v1.22.0
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling allo-isolate v0.1.12
[INFO] [stderr]    Compiling flutter_rust_bridge v1.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.47s
[INFO] running `Command { std: "docker" "inspect" "943e80a5dbf2e450739d8bf60616a76ead5e43a9e97daeb55e9a54953bd8541b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943e80a5dbf2e450739d8bf60616a76ead5e43a9e97daeb55e9a54953bd8541b", kill_on_drop: false }`
[INFO] [stdout] 943e80a5dbf2e450739d8bf60616a76ead5e43a9e97daeb55e9a54953bd8541b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d642840dbac2c3b8614b111a1ab27db2925951c721662042f426ae15ac6ed79e
[INFO] running `Command { std: "docker" "start" "-a" "d642840dbac2c3b8614b111a1ab27db2925951c721662042f426ae15ac6ed79e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flutter_rust_bridge v1.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "d642840dbac2c3b8614b111a1ab27db2925951c721662042f426ae15ac6ed79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d642840dbac2c3b8614b111a1ab27db2925951c721662042f426ae15ac6ed79e", kill_on_drop: false }`
[INFO] [stdout] d642840dbac2c3b8614b111a1ab27db2925951c721662042f426ae15ac6ed79e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 644304e9bcaf014a26ef5c8c62b48692c487d4ac5ca48f1e41cf84c12e3cd176
[INFO] running `Command { std: "docker" "start" "-a" "644304e9bcaf014a26ef5c8c62b48692c487d4ac5ca48f1e41cf84c12e3cd176", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flutter_rust_bridge-385232ea8cf8153f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flutter_rust_bridge
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "644304e9bcaf014a26ef5c8c62b48692c487d4ac5ca48f1e41cf84c12e3cd176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644304e9bcaf014a26ef5c8c62b48692c487d4ac5ca48f1e41cf84c12e3cd176", kill_on_drop: false }`
[INFO] [stdout] 644304e9bcaf014a26ef5c8c62b48692c487d4ac5ca48f1e41cf84c12e3cd176