[INFO] fetching crate libjsonutils 0.6.3...
[INFO] checking libjsonutils-0.6.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate libjsonutils 0.6.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate libjsonutils 0.6.3 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libjsonutils 0.6.3
[INFO] finished tweaking crates.io crate libjsonutils 0.6.3
[INFO] tweaked toml for crates.io crate libjsonutils 0.6.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a4e9f2f051aa758f6e1ef9f49be67ad1d17f2b9ad40fd24daaa4884c5dea6ee
[INFO] running `Command { std: "docker" "start" "-a" "6a4e9f2f051aa758f6e1ef9f49be67ad1d17f2b9ad40fd24daaa4884c5dea6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a4e9f2f051aa758f6e1ef9f49be67ad1d17f2b9ad40fd24daaa4884c5dea6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4e9f2f051aa758f6e1ef9f49be67ad1d17f2b9ad40fd24daaa4884c5dea6ee", kill_on_drop: false }`
[INFO] [stdout] 6a4e9f2f051aa758f6e1ef9f49be67ad1d17f2b9ad40fd24daaa4884c5dea6ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9f9bc8ddf8426afc49c4d29bb414ba90a5974ab53400afe49d32e80944b408
[INFO] running `Command { std: "docker" "start" "-a" "4b9f9bc8ddf8426afc49c4d29bb414ba90a5974ab53400afe49d32e80944b408", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking libjsonutils v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/file.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn read_json<P: AsRef<Path>, T: DeserializeOwned>(path: P) -> Result<T, Error> {
[INFO] [stdout]    |                                                       ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |     let val = _read_json_inner(path)?;
[INFO] [stdout]    |         --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |     from_value(val).map_err(Error::json)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/inner.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) fn _read_json_inner<P: AsRef<Path>>(path: P) -> Result<Value, Error> {
[INFO] [stdout]    |                                                ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |     let content = read_to_string(path).map_err(Error::io)?;
[INFO] [stdout] 25 |     from_str(&content).map_err(Error::json)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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 `libjsonutils` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/file.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn read_json<P: AsRef<Path>, T: DeserializeOwned>(path: P) -> Result<T, Error> {
[INFO] [stdout]    |                                                       ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 18 |     let val = _read_json_inner(path)?;
[INFO] [stdout]    |         --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |     from_value(val).map_err(Error::json)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |     these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/inner.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub(crate) fn _read_json_inner<P: AsRef<Path>>(path: P) -> Result<Value, Error> {
[INFO] [stdout]    |                                                ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |     let content = read_to_string(path).map_err(Error::io)?;
[INFO] [stdout] 25 |     from_str(&content).map_err(Error::json)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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 `libjsonutils` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "4b9f9bc8ddf8426afc49c4d29bb414ba90a5974ab53400afe49d32e80944b408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9f9bc8ddf8426afc49c4d29bb414ba90a5974ab53400afe49d32e80944b408", kill_on_drop: false }`
[INFO] [stdout] 4b9f9bc8ddf8426afc49c4d29bb414ba90a5974ab53400afe49d32e80944b408