[INFO] fetching crate cluck 0.4.0...
[INFO] checking cluck-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate cluck 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cluck 0.4.0 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 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-2-tc2/source/Cargo.toml
[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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0eb55c16aa26d166cf94405b43338373b34fa8deb59c678ccfa16eb2ea5b1c60
[INFO] running `Command { std: "docker" "start" "-a" "0eb55c16aa26d166cf94405b43338373b34fa8deb59c678ccfa16eb2ea5b1c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0eb55c16aa26d166cf94405b43338373b34fa8deb59c678ccfa16eb2ea5b1c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb55c16aa26d166cf94405b43338373b34fa8deb59c678ccfa16eb2ea5b1c60", kill_on_drop: false }`
[INFO] [stdout] 0eb55c16aa26d166cf94405b43338373b34fa8deb59c678ccfa16eb2ea5b1c60
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7607073c5a5ecc83067bba3b071bbef2fd0c57cdda682b2618447f0b21f4d667
[INFO] running `Command { std: "docker" "start" "-a" "7607073c5a5ecc83067bba3b071bbef2fd0c57cdda682b2618447f0b21f4d667", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]     Checking winnow v0.5.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking regex v1.9.3
[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)]` 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((), 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: 2 warnings emitted
[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)]` 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((), 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "7607073c5a5ecc83067bba3b071bbef2fd0c57cdda682b2618447f0b21f4d667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7607073c5a5ecc83067bba3b071bbef2fd0c57cdda682b2618447f0b21f4d667", kill_on_drop: false }`
[INFO] [stdout] 7607073c5a5ecc83067bba3b071bbef2fd0c57cdda682b2618447f0b21f4d667