[INFO] fetching crate modbus-robust 0.1.0...
[INFO] checking modbus-robust-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate modbus-robust 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate modbus-robust 0.1.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate modbus-robust 0.1.0
[INFO] finished tweaking crates.io crate modbus-robust 0.1.0
[INFO] tweaked toml for crates.io crate modbus-robust 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 77 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding memoffset v0.7.1 (available: v0.9.1)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.0.2)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.29.0)
[INFO] [stderr]       Adding tokio-modbus v0.9.0 (available: v0.14.0)
[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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e3e1f1ac9e2cc8a313bce9706526e9d57ec022162e19fbc7c1ee097e0ca1bd
[INFO] running `Command { std: "docker" "start" "-a" "f3e3e1f1ac9e2cc8a313bce9706526e9d57ec022162e19fbc7c1ee097e0ca1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e3e1f1ac9e2cc8a313bce9706526e9d57ec022162e19fbc7c1ee097e0ca1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e3e1f1ac9e2cc8a313bce9706526e9d57ec022162e19fbc7c1ee097e0ca1bd", kill_on_drop: false }`
[INFO] [stdout] f3e3e1f1ac9e2cc8a313bce9706526e9d57ec022162e19fbc7c1ee097e0ca1bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 883f0f6bec06c9e7a6fd1ec09a76d1286fb8dc42c29665344be0ef6670efe7ec
[INFO] running `Command { std: "docker" "start" "-a" "883f0f6bec06c9e7a6fd1ec09a76d1286fb8dc42c29665344be0ef6670efe7ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking serialport v4.5.1
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]     Checking tokio-util v0.7.12
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking tokio-modbus v0.9.0
[INFO] [stderr]     Checking modbus-robust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "883f0f6bec06c9e7a6fd1ec09a76d1286fb8dc42c29665344be0ef6670efe7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883f0f6bec06c9e7a6fd1ec09a76d1286fb8dc42c29665344be0ef6670efe7ec", kill_on_drop: false }`
[INFO] [stdout] 883f0f6bec06c9e7a6fd1ec09a76d1286fb8dc42c29665344be0ef6670efe7ec