[INFO] fetching crate mfmt 0.3.9...
[INFO] checking mfmt-0.3.9 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate mfmt 0.3.9 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mfmt 0.3.9 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] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mfmt 0.3.9
[INFO] finished tweaking crates.io crate mfmt 0.3.9
[INFO] tweaked toml for crates.io crate mfmt 0.3.9 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]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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] 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] 6e2727d922bbfed74ff222e6271bbe78013271f14cda6756c0d7f1c6f912fbaf
[INFO] running `Command { std: "docker" "start" "-a" "6e2727d922bbfed74ff222e6271bbe78013271f14cda6756c0d7f1c6f912fbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2727d922bbfed74ff222e6271bbe78013271f14cda6756c0d7f1c6f912fbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2727d922bbfed74ff222e6271bbe78013271f14cda6756c0d7f1c6f912fbaf", kill_on_drop: false }`
[INFO] [stdout] 6e2727d922bbfed74ff222e6271bbe78013271f14cda6756c0d7f1c6f912fbaf
[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] a24fa42f6f5047d4971d37ea8bbd399f7cf7752a5da6f59120607ac1fae9afed
[INFO] running `Command { std: "docker" "start" "-a" "a24fa42f6f5047d4971d37ea8bbd399f7cf7752a5da6f59120607ac1fae9afed", kill_on_drop: false }`
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking mfmt v0.3.9 (/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/build/builder.rs:46:38
[INFO] [stdout]    |
[INFO] [stdout] 44 |         values: impl IntoIterator<Item = impl Into<Document<'a>>>,
[INFO] [stdout]    |         --------------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 45 |     ) -> Document<'a> {
[INFO] [stdout] 46 |         sequence(self.allocate_slice(values.into_iter().map(Into::into)))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/build/builder.rs:61:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn allocate<T>(&self, value: T) -> &'a T {
[INFO] [stdout]    |                               -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 61 |         Box::leak(Box::new_in(value, self.allocator.clone()))
[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]     Checking pretty_assertions v1.4.0
[INFO] [stderr] error: could not compile `mfmt` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a24fa42f6f5047d4971d37ea8bbd399f7cf7752a5da6f59120607ac1fae9afed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24fa42f6f5047d4971d37ea8bbd399f7cf7752a5da6f59120607ac1fae9afed", kill_on_drop: false }`
[INFO] [stdout] a24fa42f6f5047d4971d37ea8bbd399f7cf7752a5da6f59120607ac1fae9afed