[INFO] fetching crate lagbuffer 0.2.0...
[INFO] testing lagbuffer-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lagbuffer 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate lagbuffer 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lagbuffer 0.2.0
[INFO] tweaked toml for crates.io crate lagbuffer 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lagbuffer 0.2.0 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] crate crates.io crate lagbuffer 0.2.0 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e11dc0ff0f021d59751982aa7eac94def3704ec08c68809cd3c2ad2786d4e7b6
[INFO] running `Command { std: "docker" "start" "-a" "e11dc0ff0f021d59751982aa7eac94def3704ec08c68809cd3c2ad2786d4e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e11dc0ff0f021d59751982aa7eac94def3704ec08c68809cd3c2ad2786d4e7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11dc0ff0f021d59751982aa7eac94def3704ec08c68809cd3c2ad2786d4e7b6", kill_on_drop: false }`
[INFO] [stdout] e11dc0ff0f021d59751982aa7eac94def3704ec08c68809cd3c2ad2786d4e7b6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 918688adbd226b1050df5c6e227be2c050697166d8111f89e8a910ab1a17997e
[INFO] running `Command { std: "docker" "start" "-a" "918688adbd226b1050df5c6e227be2c050697166d8111f89e8a910ab1a17997e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lagbuffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "918688adbd226b1050df5c6e227be2c050697166d8111f89e8a910ab1a17997e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918688adbd226b1050df5c6e227be2c050697166d8111f89e8a910ab1a17997e", kill_on_drop: false }`
[INFO] [stdout] 918688adbd226b1050df5c6e227be2c050697166d8111f89e8a910ab1a17997e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c18877fec5c38e36930bd8b0fee1545dcc906ccf00218dea1b5a88454bb5dc8
[INFO] running `Command { std: "docker" "start" "-a" "9c18877fec5c38e36930bd8b0fee1545dcc906ccf00218dea1b5a88454bb5dc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling lagbuffer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "9c18877fec5c38e36930bd8b0fee1545dcc906ccf00218dea1b5a88454bb5dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c18877fec5c38e36930bd8b0fee1545dcc906ccf00218dea1b5a88454bb5dc8", kill_on_drop: false }`
[INFO] [stdout] 9c18877fec5c38e36930bd8b0fee1545dcc906ccf00218dea1b5a88454bb5dc8
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49b67387491d4688dea4f550883237abc7a658d52aee45bce0aeed350c5086ad
[INFO] running `Command { std: "docker" "start" "-a" "49b67387491d4688dea4f550883237abc7a658d52aee45bce0aeed350c5086ad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lagbuffer-0fb8b71f9046adb1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_buffer_has_half_after_swap ... ok
[INFO] [stdout] test tests::test_event_application_in_order ... ok
[INFO] [stdout] test tests::test_replace_action ... ok
[INFO] [stdout] test tests::test_same_state ... ok
[INFO] [stdout] test tests::test_event_application_out_of_order ... 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 lagbuffer
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - DoubleBufferedLagBuffer (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49b67387491d4688dea4f550883237abc7a658d52aee45bce0aeed350c5086ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b67387491d4688dea4f550883237abc7a658d52aee45bce0aeed350c5086ad", kill_on_drop: false }`
[INFO] [stdout] 49b67387491d4688dea4f550883237abc7a658d52aee45bce0aeed350c5086ad