[INFO] fetching crate sparkrs 0.1.0...
[INFO] testing sparkrs-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate sparkrs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sparkrs 0.1.0
[INFO] finished tweaking crates.io crate sparkrs 0.1.0
[INFO] tweaked toml for crates.io crate sparkrs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparkrs 0.1.0 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] crate crates.io crate sparkrs 0.1.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d94c9cfa7525488a2f27d199fc09c1ced02d5dea7a9030c55fb00042527198fc
[INFO] running `Command { std: "docker" "start" "-a" "d94c9cfa7525488a2f27d199fc09c1ced02d5dea7a9030c55fb00042527198fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d94c9cfa7525488a2f27d199fc09c1ced02d5dea7a9030c55fb00042527198fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94c9cfa7525488a2f27d199fc09c1ced02d5dea7a9030c55fb00042527198fc", kill_on_drop: false }`
[INFO] [stdout] d94c9cfa7525488a2f27d199fc09c1ced02d5dea7a9030c55fb00042527198fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 75f45539652bb0225c3fe76cca24bd06a3b2c774c46a1254b7c9ed6883551786
[INFO] running `Command { std: "docker" "start" "-a" "75f45539652bb0225c3fe76cca24bd06a3b2c774c46a1254b7c9ed6883551786", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparkrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "75f45539652bb0225c3fe76cca24bd06a3b2c774c46a1254b7c9ed6883551786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f45539652bb0225c3fe76cca24bd06a3b2c774c46a1254b7c9ed6883551786", kill_on_drop: false }`
[INFO] [stdout] 75f45539652bb0225c3fe76cca24bd06a3b2c774c46a1254b7c9ed6883551786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f5bb3422ddde19a0a6e8833f385261e51cb90c6b8d834169381f29e951be4d92
[INFO] running `Command { std: "docker" "start" "-a" "f5bb3422ddde19a0a6e8833f385261e51cb90c6b8d834169381f29e951be4d92", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparkrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f5bb3422ddde19a0a6e8833f385261e51cb90c6b8d834169381f29e951be4d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bb3422ddde19a0a6e8833f385261e51cb90c6b8d834169381f29e951be4d92", kill_on_drop: false }`
[INFO] [stdout] f5bb3422ddde19a0a6e8833f385261e51cb90c6b8d834169381f29e951be4d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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", kill_on_drop: false }`
[INFO] [stdout] 38ffb6c80959ce11a9ef98e8d3ea63a56615118f6a62f99a121c0ceab1d463a2
[INFO] running `Command { std: "docker" "start" "-a" "38ffb6c80959ce11a9ef98e8d3ea63a56615118f6a62f99a121c0ceab1d463a2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sparkrs-184d6377622c22ee)
[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 sparkrs
[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" "38ffb6c80959ce11a9ef98e8d3ea63a56615118f6a62f99a121c0ceab1d463a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ffb6c80959ce11a9ef98e8d3ea63a56615118f6a62f99a121c0ceab1d463a2", kill_on_drop: false }`
[INFO] [stdout] 38ffb6c80959ce11a9ef98e8d3ea63a56615118f6a62f99a121c0ceab1d463a2