[INFO] fetching crate nfdump 0.1.0...
[INFO] checking nfdump-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate nfdump 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate nfdump 0.1.0 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 nfdump 0.1.0
[INFO] finished tweaking crates.io crate nfdump 0.1.0
[INFO] tweaked toml for crates.io crate nfdump 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate nfdump 0.1.0 already has a lockfile, it will not be regenerated
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a6a12afb01f3cca0d8c0a4a9b4e1b73d1bceeebe26a78e5c4a9ceff531590c47
[INFO] running `Command { std: "docker" "start" "-a" "a6a12afb01f3cca0d8c0a4a9b4e1b73d1bceeebe26a78e5c4a9ceff531590c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a12afb01f3cca0d8c0a4a9b4e1b73d1bceeebe26a78e5c4a9ceff531590c47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a12afb01f3cca0d8c0a4a9b4e1b73d1bceeebe26a78e5c4a9ceff531590c47", kill_on_drop: false }`
[INFO] [stdout] a6a12afb01f3cca0d8c0a4a9b4e1b73d1bceeebe26a78e5c4a9ceff531590c47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cb7e3e2c05da2c939024d239a4306ec19bda7b78dbda443433c61c8705b6459d
[INFO] running `Command { std: "docker" "start" "-a" "cb7e3e2c05da2c939024d239a4306ec19bda7b78dbda443433c61c8705b6459d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling zstd-safe v7.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking lz4_flex v0.11.1
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking minilzo v0.2.0
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking zstd v0.13.0
[INFO] [stderr]     Checking nfdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `header`, `stat_count`, and `stat` are never read
[INFO] [stdout]   --> src/exporter.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ExporterStatsRecord {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 29 |     pub header: NfFileRecordHeader,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub stat_count: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 31 |     pub stat: Vec<ExporterStat>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExporterStatsRecord` has a derived impl for the trait `Debug`, 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: fields `sysid`, `sequence_failure`, `packets`, and `flows` are never read
[INFO] [stdout]   --> src/exporter.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ExporterStat {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 36 |     pub sysid: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 37 |     pub sequence_failure: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |     pub packets: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub flows: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExporterStat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `stat_count`, and `stat` are never read
[INFO] [stdout]   --> src/exporter.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct ExporterStatsRecord {
[INFO] [stdout]    |            ------------------- fields in this struct
[INFO] [stdout] 29 |     pub header: NfFileRecordHeader,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 30 |     pub stat_count: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 31 |     pub stat: Vec<ExporterStat>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExporterStatsRecord` has a derived impl for the trait `Debug`, 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: fields `sysid`, `sequence_failure`, `packets`, and `flows` are never read
[INFO] [stdout]   --> src/exporter.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ExporterStat {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 36 |     pub sysid: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 37 |     pub sequence_failure: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 38 |     pub packets: u64,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 39 |     pub flows: u64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExporterStat` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "cb7e3e2c05da2c939024d239a4306ec19bda7b78dbda443433c61c8705b6459d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7e3e2c05da2c939024d239a4306ec19bda7b78dbda443433c61c8705b6459d", kill_on_drop: false }`
[INFO] [stdout] cb7e3e2c05da2c939024d239a4306ec19bda7b78dbda443433c61c8705b6459d