[INFO] fetching crate optimistic-cell 0.1.0...
[INFO] testing optimistic-cell-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate optimistic-cell 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate optimistic-cell 0.1.0
[INFO] finished tweaking crates.io crate optimistic-cell 0.1.0
[INFO] tweaked toml for crates.io crate optimistic-cell 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimistic-cell 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 822fb831f592dafe64b6c35bb1d8323e49ae3f2d3e35702e4a1ddf37c7e8e497
[INFO] running `Command { std: "docker" "start" "-a" "822fb831f592dafe64b6c35bb1d8323e49ae3f2d3e35702e4a1ddf37c7e8e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822fb831f592dafe64b6c35bb1d8323e49ae3f2d3e35702e4a1ddf37c7e8e497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822fb831f592dafe64b6c35bb1d8323e49ae3f2d3e35702e4a1ddf37c7e8e497", kill_on_drop: false }`
[INFO] [stdout] 822fb831f592dafe64b6c35bb1d8323e49ae3f2d3e35702e4a1ddf37c7e8e497
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c56c43ab768e79dd5c96450ea4fabe5734b77eb0a939f81ccd11e96a7742352b
[INFO] running `Command { std: "docker" "start" "-a" "c56c43ab768e79dd5c96450ea4fabe5734b77eb0a939f81ccd11e96a7742352b", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimistic-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "c56c43ab768e79dd5c96450ea4fabe5734b77eb0a939f81ccd11e96a7742352b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56c43ab768e79dd5c96450ea4fabe5734b77eb0a939f81ccd11e96a7742352b", kill_on_drop: false }`
[INFO] [stdout] c56c43ab768e79dd5c96450ea4fabe5734b77eb0a939f81ccd11e96a7742352b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1dc0c07035faf2f0546eccd8db54f6dd87b2603a0ab6d9e4d55c5816ed771c79
[INFO] running `Command { std: "docker" "start" "-a" "1dc0c07035faf2f0546eccd8db54f6dd87b2603a0ab6d9e4d55c5816ed771c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimistic-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "1dc0c07035faf2f0546eccd8db54f6dd87b2603a0ab6d9e4d55c5816ed771c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc0c07035faf2f0546eccd8db54f6dd87b2603a0ab6d9e4d55c5816ed771c79", kill_on_drop: false }`
[INFO] [stdout] 1dc0c07035faf2f0546eccd8db54f6dd87b2603a0ab6d9e4d55c5816ed771c79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e7c78c07d4474c37b6353b150d77739f935ea4987cafb090ca0cbc4e39ffabcb
[INFO] running `Command { std: "docker" "start" "-a" "e7c78c07d4474c37b6353b150d77739f935ea4987cafb090ca0cbc4e39ffabcb", 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/optimistic_cell-ffa0962c0ec88020)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test concurrent_test ... ok
[INFO] [stderr]    Doc-tests optimistic_cell
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 45.81s
[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" "e7c78c07d4474c37b6353b150d77739f935ea4987cafb090ca0cbc4e39ffabcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c78c07d4474c37b6353b150d77739f935ea4987cafb090ca0cbc4e39ffabcb", kill_on_drop: false }`
[INFO] [stdout] e7c78c07d4474c37b6353b150d77739f935ea4987cafb090ca0cbc4e39ffabcb