[INFO] fetching crate neure 0.6.2...
[INFO] checking neure-0.6.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate neure 0.6.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate neure 0.6.2 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 neure 0.6.2
[INFO] finished tweaking crates.io crate neure 0.6.2
[INFO] tweaked toml for crates.io crate neure 0.6.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate neure 0.6.2 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 16f7d38e3ec3e47377c70c99b2364a1cfe7a6d833962452dacb551c56d9b8fec
[INFO] running `Command { std: "docker" "start" "-a" "16f7d38e3ec3e47377c70c99b2364a1cfe7a6d833962452dacb551c56d9b8fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f7d38e3ec3e47377c70c99b2364a1cfe7a6d833962452dacb551c56d9b8fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f7d38e3ec3e47377c70c99b2364a1cfe7a6d833962452dacb551c56d9b8fec", kill_on_drop: false }`
[INFO] [stdout] 16f7d38e3ec3e47377c70c99b2364a1cfe7a6d833962452dacb551c56d9b8fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5cdd1c7ef6d189289f205a9ed74f060809e2a4072410fe573b6fb4cbd30b926c
[INFO] running `Command { std: "docker" "start" "-a" "5cdd1c7ef6d189289f205a9ed74f060809e2a4072410fe573b6fb4cbd30b926c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.11
[INFO] [stderr]     Checking ciborium-io v0.2.1
[INFO] [stderr]     Checking clap_builder v4.4.14
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ciborium-ll v0.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling charize v0.0.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking neure v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.4.14
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stdout] error: this value of type `Result<O, err::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/re/ctor/opt.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut g = CtxGuard::new(ctx);
[INFO] [stdout]     |             ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 106 |         Ok(if let Ok(ret) = g.process_ret(ret) {
[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 `neure` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5cdd1c7ef6d189289f205a9ed74f060809e2a4072410fe573b6fb4cbd30b926c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdd1c7ef6d189289f205a9ed74f060809e2a4072410fe573b6fb4cbd30b926c", kill_on_drop: false }`
[INFO] [stdout] 5cdd1c7ef6d189289f205a9ed74f060809e2a4072410fe573b6fb4cbd30b926c