[INFO] fetching crate tarc 0.1.4...
[INFO] checking tarc-0.1.4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate tarc 0.1.4 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tarc 0.1.4 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 tarc 0.1.4
[INFO] finished tweaking crates.io crate tarc 0.1.4
[INFO] tweaked toml for crates.io crate tarc 0.1.4 written to /workspace/builds/worker-2-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] 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbacd24a4eb85b4efdf9a4d8ec753b8d982ab49d2851c393d9342a183b760b9
[INFO] running `Command { std: "docker" "start" "-a" "0bbacd24a4eb85b4efdf9a4d8ec753b8d982ab49d2851c393d9342a183b760b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbacd24a4eb85b4efdf9a4d8ec753b8d982ab49d2851c393d9342a183b760b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbacd24a4eb85b4efdf9a4d8ec753b8d982ab49d2851c393d9342a183b760b9", kill_on_drop: false }`
[INFO] [stdout] 0bbacd24a4eb85b4efdf9a4d8ec753b8d982ab49d2851c393d9342a183b760b9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324e65647fe712b222d21c16c4696fc26afb959b83d56ccc0bfad057a41281c2
[INFO] running `Command { std: "docker" "start" "-a" "324e65647fe712b222d21c16c4696fc26afb959b83d56ccc0bfad057a41281c2", kill_on_drop: false }`
[INFO] [stderr]     Checking tarc v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `do_drop_in_place` is never used
[INFO] [stdout]   --> src/lib.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 | unsafe extern "C" fn do_drop_in_place<T>(data: *mut ()) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from(arc: Arc<T>) -> Self {
[INFO] [stdout]    |             ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         Self(unsafe { arc.untranspose::<()>() })
[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/lib.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn from(arc: BaseArc<T>) -> Self {
[INFO] [stdout]    |             --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |         let data = arc.into_raw();
[INFO] [stdout] 38 |         Self(unsafe { BaseArc::from_raw(data as *const ()) })
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_drop_in_place` is never used
[INFO] [stdout]   --> src/lib.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 | unsafe extern "C" fn do_drop_in_place<T>(data: *mut ()) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tarc` (lib test) due to 3 previous errors; 1 warning emitted
[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/lib.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn from(arc: Arc<T>) -> Self {
[INFO] [stdout]    |             ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         Self(unsafe { arc.untranspose::<()>() })
[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/lib.rs:38:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn from(arc: BaseArc<T>) -> Self {
[INFO] [stdout]    |             --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |         let data = arc.into_raw();
[INFO] [stdout] 38 |         Self(unsafe { BaseArc::from_raw(data as *const ()) })
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tarc` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "324e65647fe712b222d21c16c4696fc26afb959b83d56ccc0bfad057a41281c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324e65647fe712b222d21c16c4696fc26afb959b83d56ccc0bfad057a41281c2", kill_on_drop: false }`
[INFO] [stdout] 324e65647fe712b222d21c16c4696fc26afb959b83d56ccc0bfad057a41281c2