[INFO] fetching crate multitrack 0.0.0...
[INFO] testing multitrack-0.0.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate multitrack 0.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate multitrack 0.0.0
[INFO] finished tweaking crates.io crate multitrack 0.0.0
[INFO] tweaked toml for crates.io crate multitrack 0.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multitrack 0.0.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 684af9f3cb523826c5fa801ab6fe335b3d0244e64a338b468e14dfc2712e8eca
[INFO] running `Command { std: "docker" "start" "-a" "684af9f3cb523826c5fa801ab6fe335b3d0244e64a338b468e14dfc2712e8eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684af9f3cb523826c5fa801ab6fe335b3d0244e64a338b468e14dfc2712e8eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684af9f3cb523826c5fa801ab6fe335b3d0244e64a338b468e14dfc2712e8eca", kill_on_drop: false }`
[INFO] [stdout] 684af9f3cb523826c5fa801ab6fe335b3d0244e64a338b468e14dfc2712e8eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ca40186d7b2230dde6aa1bc9db8adfbdb8162487838b43cf24a63abb3341796e
[INFO] running `Command { std: "docker" "start" "-a" "ca40186d7b2230dde6aa1bc9db8adfbdb8162487838b43cf24a63abb3341796e", kill_on_drop: false }`
[INFO] [stderr]    Compiling multitrack v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "ca40186d7b2230dde6aa1bc9db8adfbdb8162487838b43cf24a63abb3341796e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca40186d7b2230dde6aa1bc9db8adfbdb8162487838b43cf24a63abb3341796e", kill_on_drop: false }`
[INFO] [stdout] ca40186d7b2230dde6aa1bc9db8adfbdb8162487838b43cf24a63abb3341796e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d9d52563fe57686ec64010669a1ed839789ba1372d8d16f4c1a80ec2ca5306b7
[INFO] running `Command { std: "docker" "start" "-a" "d9d52563fe57686ec64010669a1ed839789ba1372d8d16f4c1a80ec2ca5306b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling multitrack v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "d9d52563fe57686ec64010669a1ed839789ba1372d8d16f4c1a80ec2ca5306b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d52563fe57686ec64010669a1ed839789ba1372d8d16f4c1a80ec2ca5306b7", kill_on_drop: false }`
[INFO] [stdout] d9d52563fe57686ec64010669a1ed839789ba1372d8d16f4c1a80ec2ca5306b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1eecd667ee6fc0c949fc1321f2adedeca095ace9b8941082d2b50cd0ddf2fc2e
[INFO] running `Command { std: "docker" "start" "-a" "1eecd667ee6fc0c949fc1321f2adedeca095ace9b8941082d2b50cd0ddf2fc2e", 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/multitrack-62c60d3a92a6e047)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multitrack
[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] [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" "1eecd667ee6fc0c949fc1321f2adedeca095ace9b8941082d2b50cd0ddf2fc2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eecd667ee6fc0c949fc1321f2adedeca095ace9b8941082d2b50cd0ddf2fc2e", kill_on_drop: false }`
[INFO] [stdout] 1eecd667ee6fc0c949fc1321f2adedeca095ace9b8941082d2b50cd0ddf2fc2e