[INFO] fetching crate serde_dbus 0.1.6...
[INFO] checking serde_dbus-0.1.6 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate serde_dbus 0.1.6 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate serde_dbus 0.1.6 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_dbus 0.1.6
[INFO] finished tweaking crates.io crate serde_dbus 0.1.6
[INFO] tweaked toml for crates.io crate serde_dbus 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 163 packages to latest compatible versions
[INFO] [stderr]       Adding async-broadcast v0.4.1 (available: v0.7.1)
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding async-io v1.13.0 (available: v2.3.4)
[INFO] [stderr]       Adding async-lock v2.8.0 (available: v3.4.0)
[INFO] [stderr]       Adding async-recursion v0.3.2 (available: v1.1.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding dirs v4.0.0 (available: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (available: v0.4.1)
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.5)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.5)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (available: v2.1.1)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.3.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding humantime v1.3.0 (available: v2.1.0)
[INFO] [stderr]       Adding io-lifetimes v1.0.11 (available: v2.0.3)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (available: v0.6.5)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding matchers v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding memoffset v0.6.5 (available: v0.9.1)
[INFO] [stderr]       Adding nix v0.23.2 (available: v0.29.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (available: v0.50.1)
[INFO] [stderr]       Adding ordered-stream v0.0.1 (available: v0.2.0)
[INFO] [stderr]       Adding polling v2.8.0 (available: v3.7.3)
[INFO] [stderr]       Adding pretty_env_logger v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (available: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding rustix v0.37.27 (available: v0.38.37)
[INFO] [stderr]       Adding sha1 v0.6.1 (available: v0.10.6)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.5.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.48.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[INFO] [stderr]       Adding zbus v2.3.2 (available: v4.4.0)
[INFO] [stderr]       Adding zbus_macros v2.3.2 (available: v4.4.0)
[INFO] [stderr]       Adding zbus_names v2.6.1 (available: v3.0.0)
[INFO] [stderr]       Adding zvariant v3.15.2 (available: v4.2.0)
[INFO] [stderr]       Adding zvariant_derive v3.15.2 (available: v4.2.0)
[INFO] [stderr]       Adding zvariant_utils v1.0.1 (available: v1.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8d00f6f0e6acf165196c5da7634812743cff15cafb979cb270aa0e75627229
[INFO] running `Command { std: "docker" "start" "-a" "4b8d00f6f0e6acf165196c5da7634812743cff15cafb979cb270aa0e75627229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8d00f6f0e6acf165196c5da7634812743cff15cafb979cb270aa0e75627229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8d00f6f0e6acf165196c5da7634812743cff15cafb979cb270aa0e75627229", kill_on_drop: false }`
[INFO] [stdout] 4b8d00f6f0e6acf165196c5da7634812743cff15cafb979cb270aa0e75627229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06a089fe6d1d9a187f2948b3a626f42a39cbab962161292955250f74a901ab1
[INFO] running `Command { std: "docker" "start" "-a" "a06a089fe6d1d9a187f2948b3a626f42a39cbab962161292955250f74a901ab1", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling test-log-macros v0.2.16
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_dbus v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StructSerialize` is never constructed
[INFO] [stdout]    --> src/ser.rs:622:16
[INFO] [stdout]     |
[INFO] [stdout] 622 |         struct StructSerialize {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 11.62s
[INFO] running `Command { std: "docker" "inspect" "a06a089fe6d1d9a187f2948b3a626f42a39cbab962161292955250f74a901ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06a089fe6d1d9a187f2948b3a626f42a39cbab962161292955250f74a901ab1", kill_on_drop: false }`
[INFO] [stdout] a06a089fe6d1d9a187f2948b3a626f42a39cbab962161292955250f74a901ab1