[INFO] fetching crate generational-buffer 1.0.4...
[INFO] testing generational-buffer-1.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate generational-buffer 1.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate generational-buffer 1.0.4
[INFO] finished tweaking crates.io crate generational-buffer 1.0.4
[INFO] tweaked toml for crates.io crate generational-buffer 1.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generational-buffer 1.0.4 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 generational-buffer 1.0.4 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] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d70ceb3f7dd6ef2bf862179a83ca2bc025ec1472888add3e02f94e481834632f
[INFO] running `Command { std: "docker" "start" "-a" "d70ceb3f7dd6ef2bf862179a83ca2bc025ec1472888add3e02f94e481834632f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d70ceb3f7dd6ef2bf862179a83ca2bc025ec1472888add3e02f94e481834632f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70ceb3f7dd6ef2bf862179a83ca2bc025ec1472888add3e02f94e481834632f", kill_on_drop: false }`
[INFO] [stdout] d70ceb3f7dd6ef2bf862179a83ca2bc025ec1472888add3e02f94e481834632f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae5fd7fef1a4d3b117b9a62c33231c38763a6bfdfc8bf9cb871b41dda56d0b0
[INFO] running `Command { std: "docker" "start" "-a" "aae5fd7fef1a4d3b117b9a62c33231c38763a6bfdfc8bf9cb871b41dda56d0b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-buffer v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "aae5fd7fef1a4d3b117b9a62c33231c38763a6bfdfc8bf9cb871b41dda56d0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae5fd7fef1a4d3b117b9a62c33231c38763a6bfdfc8bf9cb871b41dda56d0b0", kill_on_drop: false }`
[INFO] [stdout] aae5fd7fef1a4d3b117b9a62c33231c38763a6bfdfc8bf9cb871b41dda56d0b0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc05ec8355ac7ec3be28094619e705a32c82247827c24928f3d88dad5688482f
[INFO] running `Command { std: "docker" "start" "-a" "bc05ec8355ac7ec3be28094619e705a32c82247827c24928f3d88dad5688482f", kill_on_drop: false }`
[INFO] [stderr]    Compiling generational-buffer v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "bc05ec8355ac7ec3be28094619e705a32c82247827c24928f3d88dad5688482f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc05ec8355ac7ec3be28094619e705a32c82247827c24928f3d88dad5688482f", kill_on_drop: false }`
[INFO] [stdout] bc05ec8355ac7ec3be28094619e705a32c82247827c24928f3d88dad5688482f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef5c73c18cb4430e4a1a9bd07015425c45a8425301ea505a3bcdbb160b98786e
[INFO] running `Command { std: "docker" "start" "-a" "ef5c73c18cb4430e4a1a9bd07015425c45a8425301ea505a3bcdbb160b98786e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/generational_buffer-9f4541393dd1748e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test generational_buffer::tests::test_circular_wrapping ... ok
[INFO] [stdout] test generational_buffer::tests::test_basic_operations ... ok
[INFO] [stdout] test generational_buffer::tests::test_generation_calculation ... ok
[INFO] [stdout] test generational_buffer::tests::test_iterator ... ok
[INFO] [stdout] test generational_buffer::tests::test_growing_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generational_buffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef5c73c18cb4430e4a1a9bd07015425c45a8425301ea505a3bcdbb160b98786e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5c73c18cb4430e4a1a9bd07015425c45a8425301ea505a3bcdbb160b98786e", kill_on_drop: false }`
[INFO] [stdout] ef5c73c18cb4430e4a1a9bd07015425c45a8425301ea505a3bcdbb160b98786e