[INFO] fetching crate downmixer 0.0.5...
[INFO] testing downmixer-0.0.5 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate downmixer 0.0.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate downmixer 0.0.5
[INFO] finished tweaking crates.io crate downmixer 0.0.5
[INFO] tweaked toml for crates.io crate downmixer 0.0.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate downmixer 0.0.5 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 downmixer 0.0.5 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f2e0eed55a789ccd7b338f70cec914312ff3bbedb3ef762be3584b283272c1d6
[INFO] running `Command { std: "docker" "start" "-a" "f2e0eed55a789ccd7b338f70cec914312ff3bbedb3ef762be3584b283272c1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e0eed55a789ccd7b338f70cec914312ff3bbedb3ef762be3584b283272c1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e0eed55a789ccd7b338f70cec914312ff3bbedb3ef762be3584b283272c1d6", kill_on_drop: false }`
[INFO] [stdout] f2e0eed55a789ccd7b338f70cec914312ff3bbedb3ef762be3584b283272c1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e9efe2709d41b5e6889d0df8ca978636f645fbee53e6eb2023be4e08a50df6dc
[INFO] running `Command { std: "docker" "start" "-a" "e9efe2709d41b5e6889d0df8ca978636f645fbee53e6eb2023be4e08a50df6dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling copiablebuf v0.0.2
[INFO] [stderr]    Compiling sampletypes v0.1.5
[INFO] [stderr]    Compiling downmixer v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "e9efe2709d41b5e6889d0df8ca978636f645fbee53e6eb2023be4e08a50df6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9efe2709d41b5e6889d0df8ca978636f645fbee53e6eb2023be4e08a50df6dc", kill_on_drop: false }`
[INFO] [stdout] e9efe2709d41b5e6889d0df8ca978636f645fbee53e6eb2023be4e08a50df6dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 297f276198e36324227a2fee3da57a02c4256d59b23966cd5019b7bfdcf8c8a8
[INFO] running `Command { std: "docker" "start" "-a" "297f276198e36324227a2fee3da57a02c4256d59b23966cd5019b7bfdcf8c8a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling downmixer v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "297f276198e36324227a2fee3da57a02c4256d59b23966cd5019b7bfdcf8c8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297f276198e36324227a2fee3da57a02c4256d59b23966cd5019b7bfdcf8c8a8", kill_on_drop: false }`
[INFO] [stdout] 297f276198e36324227a2fee3da57a02c4256d59b23966cd5019b7bfdcf8c8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 744b561221149ab514612ba89fe0319fa6e94b201b1f12661f39f6ea8009805c
[INFO] running `Command { std: "docker" "start" "-a" "744b561221149ab514612ba89fe0319fa6e94b201b1f12661f39f6ea8009805c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/downmixer.rs (/opt/rustwide/target/debug/deps/downmixer-7afb808e3d167ce4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests downmixer
[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] [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" "744b561221149ab514612ba89fe0319fa6e94b201b1f12661f39f6ea8009805c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744b561221149ab514612ba89fe0319fa6e94b201b1f12661f39f6ea8009805c", kill_on_drop: false }`
[INFO] [stdout] 744b561221149ab514612ba89fe0319fa6e94b201b1f12661f39f6ea8009805c