[INFO] fetching crate cluck 0.4.0...
[INFO] checking cluck-0.4.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate cluck 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cluck 0.4.0
[INFO] finished tweaking crates.io crate cluck 0.4.0
[INFO] tweaked toml for crates.io crate cluck 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cluck 0.4.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cluck 0.4.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.3.19
[INFO] [stderr]   Downloaded clap_builder v4.3.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a6288d0938925b16f072c9888731edddfe3b99a390fff380a480a6651d535ee
[INFO] running `Command { std: "docker" "start" "-a" "9a6288d0938925b16f072c9888731edddfe3b99a390fff380a480a6651d535ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6288d0938925b16f072c9888731edddfe3b99a390fff380a480a6651d535ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6288d0938925b16f072c9888731edddfe3b99a390fff380a480a6651d535ee", kill_on_drop: false }`
[INFO] [stdout] 9a6288d0938925b16f072c9888731edddfe3b99a390fff380a480a6651d535ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4ef6cc2ff1f6182566919e2a4e4309c444846b51fb919c7e0c63953cdb6229
[INFO] running `Command { std: "docker" "start" "-a" "ff4ef6cc2ff1f6182566919e2a4e4309c444846b51fb919c7e0c63953cdb6229", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking winnow v0.5.4
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking tokio v1.29.1
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking cluck v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/watch.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Watch(mpsc::UnboundedSender<Message>, WatchId);
[INFO] [stdout]    |            ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Watch` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 - pub struct Watch(mpsc::UnboundedSender<Message>, WatchId);
[INFO] [stdout] 15 + pub struct Watch((), WatchId);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `child` is never read
[INFO] [stdout]   --> src/watch.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct WatchInner {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     child: Child,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/watch.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Watch(mpsc::UnboundedSender<Message>, WatchId);
[INFO] [stdout]    |            ----- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Watch` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 15 - pub struct Watch(mpsc::UnboundedSender<Message>, WatchId);
[INFO] [stdout] 15 + pub struct Watch((), WatchId);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `child` is never read
[INFO] [stdout]   --> src/watch.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct WatchInner {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     child: Child,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.07s
[INFO] running `Command { std: "docker" "inspect" "ff4ef6cc2ff1f6182566919e2a4e4309c444846b51fb919c7e0c63953cdb6229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4ef6cc2ff1f6182566919e2a4e4309c444846b51fb919c7e0c63953cdb6229", kill_on_drop: false }`
[INFO] [stdout] ff4ef6cc2ff1f6182566919e2a4e4309c444846b51fb919c7e0c63953cdb6229