[INFO] fetching crate threadbeam 0.1.1...
[INFO] checking threadbeam-0.1.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate threadbeam 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate threadbeam 0.1.1 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 threadbeam 0.1.1
[INFO] finished tweaking crates.io crate threadbeam 0.1.1
[INFO] tweaked toml for crates.io crate threadbeam 0.1.1 written to /workspace/builds/worker-4-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 22 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9945d3555efec151481fd4074164e076a5d91f79284c6f0e41189ae6bcb9c227
[INFO] running `Command { std: "docker" "start" "-a" "9945d3555efec151481fd4074164e076a5d91f79284c6f0e41189ae6bcb9c227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9945d3555efec151481fd4074164e076a5d91f79284c6f0e41189ae6bcb9c227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9945d3555efec151481fd4074164e076a5d91f79284c6f0e41189ae6bcb9c227", kill_on_drop: false }`
[INFO] [stdout] 9945d3555efec151481fd4074164e076a5d91f79284c6f0e41189ae6bcb9c227
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1b27d586bd94834c6c91d383f408a70f2877b738af3df830995709b15ee258b7
[INFO] running `Command { std: "docker" "start" "-a" "1b27d586bd94834c6c91d383f408a70f2877b738af3df830995709b15ee258b7", kill_on_drop: false }`
[INFO] [stderr]     Checking threadbeam v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/impl.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]    |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/impl.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]     |                      +++++++                               +
[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/impl.rs:163:3
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn spawn<T, R, F>(spawn: F) -> (Option<T>, std::thread::JoinHandle<R>)
[INFO] [stdout]     |                       -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 161 |     let (tx, rx) = channel();
[INFO] [stdout]     |          --  -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |          |
[INFO] [stdout]     |          these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 162 |     let join = std::thread::spawn(move || spawn(tx));
[INFO] [stdout]     |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 163 |     (rx.recv(), join)
[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: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/impl.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 65 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]    |                      +++++++                               +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]    --> src/impl.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { Box::from_raw(self.0.as_ptr()) };
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |             unsafe { let _ = Box::from_raw(self.0.as_ptr()); };
[INFO] [stdout]     |                      +++++++                               +
[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/impl.rs:163:3
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn spawn<T, R, F>(spawn: F) -> (Option<T>, std::thread::JoinHandle<R>)
[INFO] [stdout]     |                       -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 161 |     let (tx, rx) = channel();
[INFO] [stdout]     |          --  -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |          |
[INFO] [stdout]     |          these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 162 |     let join = std::thread::spawn(move || spawn(tx));
[INFO] [stdout]     |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 163 |     (rx.recv(), join)
[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: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `threadbeam` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `threadbeam` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1b27d586bd94834c6c91d383f408a70f2877b738af3df830995709b15ee258b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b27d586bd94834c6c91d383f408a70f2877b738af3df830995709b15ee258b7", kill_on_drop: false }`
[INFO] [stdout] 1b27d586bd94834c6c91d383f408a70f2877b738af3df830995709b15ee258b7