[INFO] fetching crate kibi 0.2.2...
[INFO] checking kibi-0.2.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate kibi 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate kibi 0.2.2 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 kibi 0.2.2
[INFO] finished tweaking crates.io crate kibi 0.2.2
[INFO] tweaked toml for crates.io crate kibi 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate kibi 0.2.2 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] [stderr]     Blocking waiting for file lock on package cache
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a9d0b3cc95ad008f878253a0a4461493d74125c2ae4fea6f104f1f8b0162cf3
[INFO] running `Command { std: "docker" "start" "-a" "1a9d0b3cc95ad008f878253a0a4461493d74125c2ae4fea6f104f1f8b0162cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a9d0b3cc95ad008f878253a0a4461493d74125c2ae4fea6f104f1f8b0162cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a9d0b3cc95ad008f878253a0a4461493d74125c2ae4fea6f104f1f8b0162cf3", kill_on_drop: false }`
[INFO] [stdout] 1a9d0b3cc95ad008f878253a0a4461493d74125c2ae4fea6f104f1f8b0162cf3
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 767d6bf1cc6bbd57e2900287700f9f5407e2f1ec6efd8ec1c430d6eb1a20e9e0
[INFO] running `Command { std: "docker" "start" "-a" "767d6bf1cc6bbd57e2900287700f9f5407e2f1ec6efd8ec1c430d6eb1a20e9e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking kibi v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stdout] error: this value of type `Result<(), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/config.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let tmp_dir = TempDir::new().expect("Could not create temporary directory");
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 188 |         let tmp_path = tmp_dir.path().join("path_does_not_exist.ini");
[INFO] [stdout] 189 |         match process_ini_file(&tmp_path, kv_fn) {
[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: this value of type `Result<(syntax::Conf, Vec<String>), error::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/syntax.rs:122:15
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let tmp_dir = TempDir::new().expect("Could not create temporary directory");
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 121 |         let tmp_path = tmp_dir.path().join("path_does_not_exist.ini");
[INFO] [stdout] 122 |         match Conf::from_file(&tmp_path) {
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kibi` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "767d6bf1cc6bbd57e2900287700f9f5407e2f1ec6efd8ec1c430d6eb1a20e9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767d6bf1cc6bbd57e2900287700f9f5407e2f1ec6efd8ec1c430d6eb1a20e9e0", kill_on_drop: false }`
[INFO] [stdout] 767d6bf1cc6bbd57e2900287700f9f5407e2f1ec6efd8ec1c430d6eb1a20e9e0