[INFO] fetching crate cncr_k_ring 0.1.0...
[INFO] testing cncr_k_ring-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cncr_k_ring 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate cncr_k_ring 0.1.0
[INFO] finished tweaking crates.io crate cncr_k_ring 0.1.0
[INFO] tweaked toml for crates.io crate cncr_k_ring 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cncr_k_ring 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0667f33f13ce69a5431940a2a5092fb5300ce0e8725d7fd0c497ca4dfc4fcfa9
[INFO] running `Command { std: "docker" "start" "-a" "0667f33f13ce69a5431940a2a5092fb5300ce0e8725d7fd0c497ca4dfc4fcfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0667f33f13ce69a5431940a2a5092fb5300ce0e8725d7fd0c497ca4dfc4fcfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0667f33f13ce69a5431940a2a5092fb5300ce0e8725d7fd0c497ca4dfc4fcfa9", kill_on_drop: false }`
[INFO] [stdout] 0667f33f13ce69a5431940a2a5092fb5300ce0e8725d7fd0c497ca4dfc4fcfa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 331f509f8179ae3659b7a3db9d44c84c3e7f68a29ace7f876162388a62cfd954
[INFO] running `Command { std: "docker" "start" "-a" "331f509f8179ae3659b7a3db9d44c84c3e7f68a29ace7f876162388a62cfd954", kill_on_drop: false }`
[INFO] [stderr]    Compiling cncr_k_ring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "331f509f8179ae3659b7a3db9d44c84c3e7f68a29ace7f876162388a62cfd954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331f509f8179ae3659b7a3db9d44c84c3e7f68a29ace7f876162388a62cfd954", kill_on_drop: false }`
[INFO] [stdout] 331f509f8179ae3659b7a3db9d44c84c3e7f68a29ace7f876162388a62cfd954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c92fbc4438596d91e68a3eb6c7ca86bacc504603a6c17a4db74e68dcb2663b88
[INFO] running `Command { std: "docker" "start" "-a" "c92fbc4438596d91e68a3eb6c7ca86bacc504603a6c17a4db74e68dcb2663b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling cncr_k_ring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "c92fbc4438596d91e68a3eb6c7ca86bacc504603a6c17a4db74e68dcb2663b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92fbc4438596d91e68a3eb6c7ca86bacc504603a6c17a4db74e68dcb2663b88", kill_on_drop: false }`
[INFO] [stdout] c92fbc4438596d91e68a3eb6c7ca86bacc504603a6c17a4db74e68dcb2663b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] efcf331e58547204f8757f83c971d43ba3b46c983e6ca5c7ed31d6da54aa95e9
[INFO] running `Command { std: "docker" "start" "-a" "efcf331e58547204f8757f83c971d43ba3b46c983e6ca5c7ed31d6da54aa95e9", 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/cncr_k_ring-f9f22c5801f9f206)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] test tests::test_concurrency_same_key ... ok
[INFO] [stdout] test tests::test_concurrency_different_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cncr_k_ring
[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" "efcf331e58547204f8757f83c971d43ba3b46c983e6ca5c7ed31d6da54aa95e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efcf331e58547204f8757f83c971d43ba3b46c983e6ca5c7ed31d6da54aa95e9", kill_on_drop: false }`
[INFO] [stdout] efcf331e58547204f8757f83c971d43ba3b46c983e6ca5c7ed31d6da54aa95e9