[INFO] fetching crate libp2p-swarm-test 0.4.0...
[INFO] checking libp2p-swarm-test-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate libp2p-swarm-test 0.4.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate libp2p-swarm-test 0.4.0 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 libp2p-swarm-test 0.4.0
[INFO] finished tweaking crates.io crate libp2p-swarm-test 0.4.0
[INFO] tweaked toml for crates.io crate libp2p-swarm-test 0.4.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 226 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding async-fs v1.6.0 (available: v2.1.2)
[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-net v1.8.0 (available: v2.0.0)
[INFO] [stderr]       Adding async-process v1.8.1 (available: v2.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding event-listener v3.1.0 (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 generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding if-addrs v0.10.2 (available: v0.13.3)
[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 netlink-packet-core v0.4.2 (available: v0.7.0)
[INFO] [stderr]       Adding netlink-packet-route v0.12.0 (available: v0.21.0)
[INFO] [stderr]       Adding netlink-proto v0.10.0 (available: v0.11.3)
[INFO] [stderr]       Adding nix v0.24.3 (available: v0.29.0)
[INFO] [stderr]       Adding polling v2.8.0 (available: v3.7.3)
[INFO] [stderr]       Adding rtnetlink v0.10.1 (available: v0.14.1)
[INFO] [stderr]       Adding rustix v0.37.27 (available: v0.38.37)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[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 system-configuration v0.5.1 (available: v0.6.1)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (available: v0.6.0)
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (available: v0.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows v0.51.1 (available: v0.58.0)
[INFO] [stderr]       Adding windows-core v0.51.1 (available: v0.58.0)
[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 yamux v0.12.1 (available: v0.13.3)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 8c4fc229d3ee3994dbb5f2ff94fcccd31d9a2bf1d5872e3a25d60707ef7bdbf0
[INFO] running `Command { std: "docker" "start" "-a" "8c4fc229d3ee3994dbb5f2ff94fcccd31d9a2bf1d5872e3a25d60707ef7bdbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4fc229d3ee3994dbb5f2ff94fcccd31d9a2bf1d5872e3a25d60707ef7bdbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4fc229d3ee3994dbb5f2ff94fcccd31d9a2bf1d5872e3a25d60707ef7bdbf0", kill_on_drop: false }`
[INFO] [stdout] 8c4fc229d3ee3994dbb5f2ff94fcccd31d9a2bf1d5872e3a25d60707ef7bdbf0
[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] dad3f289ef2307bf016f34cca36482826fe6f0f4408f85887ead4dbfc0329b2a
[INFO] running `Command { std: "docker" "start" "-a" "dad3f289ef2307bf016f34cca36482826fe6f0f4408f85887ead4dbfc0329b2a", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking polling v3.7.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking netlink-packet-utils v0.5.2
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking netlink-packet-core v0.4.2
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking netlink-packet-route v0.12.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking curve25519-dalek v4.1.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking lru v0.12.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.13
[INFO] [stderr]     Checking data-encoding-macro v0.1.15
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking libp2p-identity v0.2.9
[INFO] [stderr]     Checking multiaddr v0.18.2
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking asynchronous-codec v0.7.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking multistream-select v0.13.0
[INFO] [stderr]     Checking rw-stream-sink v0.4.0
[INFO] [stderr]     Checking yamux v0.13.3
[INFO] [stderr]     Checking yamux v0.12.1
[INFO] [stderr]     Checking quick-protobuf-codec v0.3.1
[INFO] [stderr]     Checking netlink-sys v0.8.6
[INFO] [stderr]     Checking netlink-proto v0.10.0
[INFO] [stderr]     Checking libp2p-core v0.42.0
[INFO] [stderr]     Checking rtnetlink v0.10.1
[INFO] [stderr]     Checking if-watch v3.2.0
[INFO] [stderr]     Checking libp2p-plaintext v0.42.0
[INFO] [stderr]     Checking libp2p-yamux v0.46.0
[INFO] [stderr]     Checking libp2p-swarm v0.45.1
[INFO] [stderr]     Checking libp2p-tcp v0.42.0
[INFO] [stderr]     Checking libp2p-swarm-test v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.69s
[INFO] running `Command { std: "docker" "inspect" "dad3f289ef2307bf016f34cca36482826fe6f0f4408f85887ead4dbfc0329b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad3f289ef2307bf016f34cca36482826fe6f0f4408f85887ead4dbfc0329b2a", kill_on_drop: false }`
[INFO] [stdout] dad3f289ef2307bf016f34cca36482826fe6f0f4408f85887ead4dbfc0329b2a