[INFO] fetching crate zbus-lockstep 0.4.4...
[INFO] checking zbus-lockstep-0.4.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate zbus-lockstep 0.4.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate zbus-lockstep 0.4.4 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 zbus-lockstep 0.4.4
[INFO] finished tweaking crates.io crate zbus-lockstep 0.4.4
[INFO] tweaked toml for crates.io crate zbus-lockstep 0.4.4 written to /workspace/builds/worker-4-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]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (available: v0.12.1)
[INFO] [stderr]       Adding quick-xml v0.30.0 (available: v0.36.2)
[INFO] [stderr]       Adding toml v0.7.8 (available: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.22)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.20)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] edc496a2439ed1948ebd45ec4e0601cb1e83b803dbe3cfba5a234d364cb8c703
[INFO] running `Command { std: "docker" "start" "-a" "edc496a2439ed1948ebd45ec4e0601cb1e83b803dbe3cfba5a234d364cb8c703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edc496a2439ed1948ebd45ec4e0601cb1e83b803dbe3cfba5a234d364cb8c703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edc496a2439ed1948ebd45ec4e0601cb1e83b803dbe3cfba5a234d364cb8c703", kill_on_drop: false }`
[INFO] [stdout] edc496a2439ed1948ebd45ec4e0601cb1e83b803dbe3cfba5a234d364cb8c703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 86634da3c819f946cb06b6132cee755a36908104b027202e33d315cb23dfb76e
[INFO] running `Command { std: "docker" "start" "-a" "86634da3c819f946cb06b6132cee755a36908104b027202e33d315cb23dfb76e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]     Checking endi v1.1.0
[INFO] [stderr]     Checking pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]    Compiling zvariant_utils v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
[INFO] [stderr]    Compiling zvariant_derive v4.2.0
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking enumflags2 v0.7.10
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking quick-xml v0.30.0
[INFO] [stderr]     Checking zvariant v4.2.0
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking zbus_names v3.0.0
[INFO] [stderr]     Checking zbus_xml v4.0.0
[INFO] [stderr]     Checking zbus-lockstep v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.87s
[INFO] running `Command { std: "docker" "inspect" "86634da3c819f946cb06b6132cee755a36908104b027202e33d315cb23dfb76e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86634da3c819f946cb06b6132cee755a36908104b027202e33d315cb23dfb76e", kill_on_drop: false }`
[INFO] [stdout] 86634da3c819f946cb06b6132cee755a36908104b027202e33d315cb23dfb76e