[INFO] fetching crate bitkv-rs 0.2.1...
[INFO] checking bitkv-rs-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate bitkv-rs 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bitkv-rs 0.2.1 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 bitkv-rs 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate bitkv-rs 0.2.1
[INFO] tweaked toml for crates.io crate bitkv-rs 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate bitkv-rs 0.2.1 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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5195d7902c757704346bb0685f2bb8e25cbbdad9cead89f7988074fec2035e1e
[INFO] running `Command { std: "docker" "start" "-a" "5195d7902c757704346bb0685f2bb8e25cbbdad9cead89f7988074fec2035e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5195d7902c757704346bb0685f2bb8e25cbbdad9cead89f7988074fec2035e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5195d7902c757704346bb0685f2bb8e25cbbdad9cead89f7988074fec2035e1e", kill_on_drop: false }`
[INFO] [stdout] 5195d7902c757704346bb0685f2bb8e25cbbdad9cead89f7988074fec2035e1e
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2655c07a0748273aabf55620746a65afd82f34c31e2f53417fa49fa63a6c36f
[INFO] running `Command { std: "docker" "start" "-a" "b2655c07a0748273aabf55620746a65afd82f34c31e2f53417fa49fa63a6c36f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking fs4 v0.7.0
[INFO] [stderr]     Checking jammdb v0.11.0
[INFO] [stderr]     Checking crossbeam-skiplist v0.1.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking fs_extra v1.3.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling prost-derive v0.12.3
[INFO] [stderr]     Checking env_logger v0.11.2
[INFO] [stderr]     Checking prost v0.12.3
[INFO] [stderr]     Checking bitkv-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::result::Result<usize, std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/fio/file_io.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let read_guard = self.fd.read();
[INFO] [stdout]    |         ---------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 44 |     match read_guard.read_at(buf, offset) {
[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 `std::result::Result<usize, std::io::Error>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/fio/file_io.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut write_guard = self.fd.write();
[INFO] [stdout]    |         --------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 55 |     match write_guard.write(buf) {
[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 `bitkv-rs` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b2655c07a0748273aabf55620746a65afd82f34c31e2f53417fa49fa63a6c36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2655c07a0748273aabf55620746a65afd82f34c31e2f53417fa49fa63a6c36f", kill_on_drop: false }`
[INFO] [stdout] b2655c07a0748273aabf55620746a65afd82f34c31e2f53417fa49fa63a6c36f