[INFO] fetching crate squall-tracing 0.1.1...
[INFO] testing squall-tracing-0.1.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate squall-tracing 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate squall-tracing 0.1.1
[INFO] finished tweaking crates.io crate squall-tracing 0.1.1
[INFO] tweaked toml for crates.io crate squall-tracing 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate squall-tracing 0.1.1 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] crate crates.io crate squall-tracing 0.1.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb038a0851cec1c2114925d15eb2729c6ae2e9096ee3fdb06cd4bf5cbad01b43
[INFO] running `Command { std: "docker" "start" "-a" "bb038a0851cec1c2114925d15eb2729c6ae2e9096ee3fdb06cd4bf5cbad01b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb038a0851cec1c2114925d15eb2729c6ae2e9096ee3fdb06cd4bf5cbad01b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb038a0851cec1c2114925d15eb2729c6ae2e9096ee3fdb06cd4bf5cbad01b43", kill_on_drop: false }`
[INFO] [stdout] bb038a0851cec1c2114925d15eb2729c6ae2e9096ee3fdb06cd4bf5cbad01b43
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168c048ebd5bcfc4c7c2261ab36af7bfe08f08be6de8297c5e827acf5d405305
[INFO] running `Command { std: "docker" "start" "-a" "168c048ebd5bcfc4c7c2261ab36af7bfe08f08be6de8297c5e827acf5d405305", kill_on_drop: false }`
[INFO] [stderr]    Compiling squall-tracing v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "168c048ebd5bcfc4c7c2261ab36af7bfe08f08be6de8297c5e827acf5d405305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168c048ebd5bcfc4c7c2261ab36af7bfe08f08be6de8297c5e827acf5d405305", kill_on_drop: false }`
[INFO] [stdout] 168c048ebd5bcfc4c7c2261ab36af7bfe08f08be6de8297c5e827acf5d405305
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407
[INFO] running `Command { std: "docker" "start" "-a" "24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: unable to apply cgroup configuration: unable to start unit "docker-24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407.scope" (properties [{Name:Description Value:"libcontainer container 24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [1389338]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407", kill_on_drop: false }`
[INFO] [stdout] 24798710802f9087056ed771238c55587ae2c047494f60f67edc19dae1eae407