[INFO] fetching crate yaml-rust2 0.9.0...
[INFO] checking yaml-rust2-0.9.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate yaml-rust2 0.9.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate yaml-rust2 0.9.0 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] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate yaml-rust2 0.9.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate yaml-rust2 0.9.0
[INFO] tweaked toml for crates.io crate yaml-rust2 0.9.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate yaml-rust2 0.9.0 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] [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 53a5cf1a9dbbfccb15685fed7f4778c32276c85bd11a07ea58ddb750d404025d
[INFO] running `Command { std: "docker" "start" "-a" "53a5cf1a9dbbfccb15685fed7f4778c32276c85bd11a07ea58ddb750d404025d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53a5cf1a9dbbfccb15685fed7f4778c32276c85bd11a07ea58ddb750d404025d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53a5cf1a9dbbfccb15685fed7f4778c32276c85bd11a07ea58ddb750d404025d", kill_on_drop: false }`
[INFO] [stdout] 53a5cf1a9dbbfccb15685fed7f4778c32276c85bd11a07ea58ddb750d404025d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dbd229e6b4512d1c6301e7bec18400722078b73b8846de77cd0c6fcde42e8128
[INFO] running `Command { std: "docker" "start" "-a" "dbd229e6b4512d1c6301e7bec18400722078b73b8846de77cd0c6fcde42e8128", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking hashlink v0.9.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking yaml-rust2 v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/emitter.rs:127:51
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<'a> YamlEmitter<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 126 |     /// Create a new emitter serializing into `writer`.
[INFO] [stdout] 127 |     pub fn new(writer: &'a mut dyn fmt::Write) -> YamlEmitter {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking libtest-mimic v0.4.1
[INFO] [stdout] error: this value of type `Result<Vec<Yaml>, ScanError>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> tests/quickcheck.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let input = Yaml::Array(xs.into_iter().map(Yaml::String).collect());
[INFO] [stdout]    |             ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 16 |         match YamlLoader::load_from_str(&out_str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yaml-rust2` (test "quickcheck") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/emitter.rs:127:51
[INFO] [stdout]     |
[INFO] [stdout] 125 | impl<'a> YamlEmitter<'a> {
[INFO] [stdout]     |      -- lifetime `'a` declared here
[INFO] [stdout] 126 |     /// Create a new emitter serializing into `writer`.
[INFO] [stdout] 127 |     pub fn new(writer: &'a mut dyn fmt::Write) -> YamlEmitter {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbd229e6b4512d1c6301e7bec18400722078b73b8846de77cd0c6fcde42e8128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd229e6b4512d1c6301e7bec18400722078b73b8846de77cd0c6fcde42e8128", kill_on_drop: false }`
[INFO] [stdout] dbd229e6b4512d1c6301e7bec18400722078b73b8846de77cd0c6fcde42e8128