[INFO] fetching crate zbus 4.4.0...
[INFO] checking zbus-4.4.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate zbus 4.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zbus 4.4.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zbus 4.4.0
[INFO] finished tweaking crates.io crate zbus 4.4.0
[INFO] tweaked toml for crates.io crate zbus 4.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate zbus 4.4.0 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-vsock v0.4.0
[INFO] [stderr]   Downloaded ntest v0.9.3
[INFO] [stderr]   Downloaded vsock v0.3.0
[INFO] [stderr]   Downloaded ntest_test_cases v0.9.3
[INFO] [stderr]   Downloaded ntest_timeout v0.9.3
[INFO] [stderr]   Downloaded vsock v0.5.0
[INFO] [stderr]   Downloaded zbus_xml v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de56c1f20c574d70fb1417547dbbe097fd667d0f200a4987d5e8f6e6f6733dde
[INFO] running `Command { std: "docker" "start" "-a" "de56c1f20c574d70fb1417547dbbe097fd667d0f200a4987d5e8f6e6f6733dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de56c1f20c574d70fb1417547dbbe097fd667d0f200a4987d5e8f6e6f6733dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de56c1f20c574d70fb1417547dbbe097fd667d0f200a4987d5e8f6e6f6733dde", kill_on_drop: false }`
[INFO] [stdout] de56c1f20c574d70fb1417547dbbe097fd667d0f200a4987d5e8f6e6f6733dde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cdaa896bdf007c62b80e67692fca69e8aae65134719c03955953b0e6391dd17
[INFO] running `Command { std: "docker" "start" "-a" "3cdaa896bdf007c62b80e67692fca69e8aae65134719c03955953b0e6391dd17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking parking v2.2.0
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[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking fastrand v2.1.0
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[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking event-listener v5.3.1
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[INFO] [stderr]    Compiling zvariant_utils v2.1.0
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[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling ntest_test_cases v0.9.3
[INFO] [stderr]    Compiling ntest_timeout v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
[INFO] [stderr]    Compiling zvariant_derive v4.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling zbus_macros v4.4.0
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking ntest v0.9.3
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[INFO] [stderr]     Checking zvariant v4.2.0
[INFO] [stderr]     Checking zbus_names v3.0.0
[INFO] [stderr]     Checking zbus_xml v4.0.0
[INFO] [stderr]     Checking zbus v4.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this function depends on never type fallback being `()`
[INFO] [stdout]    --> src/lib.rs:908:5
[INFO] [stdout]     |
[INFO] [stdout] 908 |     async fn issue_260_client(connection: &Connection) -> Result<()> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #123748 <https://github.com/rust-lang/rust/issues/123748>
[INFO] [stdout]     = help: specify the types explicitly
[INFO] [stdout] note: in edition 2024, the requirement `!: zvariant::Type` will fail
[INFO] [stdout]    --> src/lib.rs:916:10
[INFO] [stdout]     |
[INFO] [stdout] 916 |         .call("Whatever", &())
[INFO] [stdout]     |          ^^^^
[INFO] [stdout]     = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.10s
[INFO] running `Command { std: "docker" "inspect" "3cdaa896bdf007c62b80e67692fca69e8aae65134719c03955953b0e6391dd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cdaa896bdf007c62b80e67692fca69e8aae65134719c03955953b0e6391dd17", kill_on_drop: false }`
[INFO] [stdout] 3cdaa896bdf007c62b80e67692fca69e8aae65134719c03955953b0e6391dd17