[INFO] fetching crate xtra-addons 0.0.2...
[INFO] checking xtra-addons-0.0.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate xtra-addons 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate xtra-addons 0.0.2 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 xtra-addons 0.0.2
[INFO] finished tweaking crates.io crate xtra-addons 0.0.2
[INFO] tweaked toml for crates.io crate xtra-addons 0.0.2 written to /workspace/builds/worker-2-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 91 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.3.1)
[INFO] [stderr]       Adding concurrent-queue v1.2.4 (available: v2.5.0)
[INFO] [stderr]       Adding event-listener v2.5.3 (available: v5.3.1)
[INFO] [stderr]       Adding flume v0.10.14 (available: v0.11.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding pollster v0.2.5 (available: v0.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] [stderr]       Adding xtra v0.5.2 (available: v0.6.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 429920a7218a4755e0be4a2f1c8f0711b9a536a9df308597f9c29b05ce843f05
[INFO] running `Command { std: "docker" "start" "-a" "429920a7218a4755e0be4a2f1c8f0711b9a536a9df308597f9c29b05ce843f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "429920a7218a4755e0be4a2f1c8f0711b9a536a9df308597f9c29b05ce843f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429920a7218a4755e0be4a2f1c8f0711b9a536a9df308597f9c29b05ce843f05", kill_on_drop: false }`
[INFO] [stdout] 429920a7218a4755e0be4a2f1c8f0711b9a536a9df308597f9c29b05ce843f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9d9bde9baca43973c1709c258574f0939f57c055d1173dfb3e72359b8304ecc8
[INFO] running `Command { std: "docker" "start" "-a" "9d9bde9baca43973c1709c258574f0939f57c055d1173dfb3e72359b8304ecc8", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking value-bag v1.9.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking barrage v0.2.3
[INFO] [stderr]     Checking catty v0.1.5
[INFO] [stderr]     Checking pollster v0.2.5
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-executor v1.13.1
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking polling v3.7.3
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-process v2.3.0
[INFO] [stderr]     Checking async-std v1.13.0
[INFO] [stderr]     Checking xtra v0.5.2
[INFO] [stderr]     Checking xtra-addons v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `msg` is never read
[INFO] [stdout]    --> src/broker.rs:403:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |     struct Msg {
[INFO] [stdout]     |            --- field in this struct
[INFO] [stdout] 403 |         msg: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Msg` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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 19.41s
[INFO] running `Command { std: "docker" "inspect" "9d9bde9baca43973c1709c258574f0939f57c055d1173dfb3e72359b8304ecc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9bde9baca43973c1709c258574f0939f57c055d1173dfb3e72359b8304ecc8", kill_on_drop: false }`
[INFO] [stdout] 9d9bde9baca43973c1709c258574f0939f57c055d1173dfb3e72359b8304ecc8