[INFO] fetching crate lwip 0.3.15...
[INFO] checking lwip-0.3.15 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate lwip 0.3.15 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate lwip 0.3.15 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 lwip 0.3.15
[INFO] finished tweaking crates.io crate lwip 0.3.15
[INFO] tweaked toml for crates.io crate lwip 0.3.15 written to /workspace/builds/worker-1-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 72 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.69.4 (available: v0.70.1)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding which v4.4.2 (available: v6.0.3)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 25d9f9947d35bfd66445d806a4b43a91c9509776e67d6a1f277a98cfdb0081ca
[INFO] running `Command { std: "docker" "start" "-a" "25d9f9947d35bfd66445d806a4b43a91c9509776e67d6a1f277a98cfdb0081ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d9f9947d35bfd66445d806a4b43a91c9509776e67d6a1f277a98cfdb0081ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d9f9947d35bfd66445d806a4b43a91c9509776e67d6a1f277a98cfdb0081ca", kill_on_drop: false }`
[INFO] [stdout] 25d9f9947d35bfd66445d806a4b43a91c9509776e67d6a1f277a98cfdb0081ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 38cf2f052ea4ac7d912cf8cab506240a7d61efa28e9f3afed51306790d2935c3
[INFO] running `Command { std: "docker" "start" "-a" "38cf2f052ea4ac7d912cf8cab506240a7d61efa28e9f3afed51306790d2935c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling bindgen v0.69.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling lwip v0.3.15 (/opt/rustwide/workdir)
[INFO] [stderr] warning: lwip@0.3.15: host os linux
[INFO] [stdout] warning: field `remote_addr` is never read
[INFO] [stdout]   --> rust/tcp_stream_context.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TcpStreamContextInner {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 13 |     pub local_addr: SocketAddr,
[INFO] [stdout] 14 |     pub remote_addr: SocketAddr,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `remote_addr` is never read
[INFO] [stdout]   --> rust/tcp_stream_context.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct TcpStreamContextInner {
[INFO] [stdout]    |            --------------------- field in this struct
[INFO] [stdout] 13 |     pub local_addr: SocketAddr,
[INFO] [stdout] 14 |     pub remote_addr: SocketAddr,
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.56s
[INFO] running `Command { std: "docker" "inspect" "38cf2f052ea4ac7d912cf8cab506240a7d61efa28e9f3afed51306790d2935c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cf2f052ea4ac7d912cf8cab506240a7d61efa28e9f3afed51306790d2935c3", kill_on_drop: false }`
[INFO] [stdout] 38cf2f052ea4ac7d912cf8cab506240a7d61efa28e9f3afed51306790d2935c3