[INFO] fetching crate tram 0.5.0...
[INFO] checking tram-0.5.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate tram 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tram 0.5.0 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 tram 0.5.0
[INFO] finished tweaking crates.io crate tram 0.5.0
[INFO] tweaked toml for crates.io crate tram 0.5.0 written to /workspace/builds/worker-6-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] 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26ac70020fe1eec9577109e51fc7c2f0169c09333aad2dfa9adfc71d868b433b
[INFO] running `Command { std: "docker" "start" "-a" "26ac70020fe1eec9577109e51fc7c2f0169c09333aad2dfa9adfc71d868b433b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26ac70020fe1eec9577109e51fc7c2f0169c09333aad2dfa9adfc71d868b433b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ac70020fe1eec9577109e51fc7c2f0169c09333aad2dfa9adfc71d868b433b", kill_on_drop: false }`
[INFO] [stdout] 26ac70020fe1eec9577109e51fc7c2f0169c09333aad2dfa9adfc71d868b433b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 166269e8da6aa59a09382fe28035bb5f49a5194a289c644eb14d3ab2d2173c80
[INFO] running `Command { std: "docker" "start" "-a" "166269e8da6aa59a09382fe28035bb5f49a5194a289c644eb14d3ab2d2173c80", kill_on_drop: false }`
[INFO] [stderr]     Checking tram v0.5.0 (/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/prelude.rs:82:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn on<F>(&self, event: E, f: F) -> Result<(), Error>
[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] ...
[INFO] [stdout] 81 |         let boxed_fn = Box::new(f);
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 82 |         match self.listeners.try_borrow_mut() {
[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/unsync.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn construct(bus: BusRef<E, V>) -> Self {
[INFO] [stdout]    |                  ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |         Self { bus: Rc::new(bus) }
[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 `tram` (lib) 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/prelude.rs:82:15
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn on<F>(&self, event: E, f: F) -> Result<(), Error>
[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] ...
[INFO] [stdout] 81 |         let boxed_fn = Box::new(f);
[INFO] [stdout]    |             -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 82 |         match self.listeners.try_borrow_mut() {
[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/unsync.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn construct(bus: BusRef<E, V>) -> Self {
[INFO] [stdout]    |                  ----------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |         Self { bus: Rc::new(bus) }
[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 `tram` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "166269e8da6aa59a09382fe28035bb5f49a5194a289c644eb14d3ab2d2173c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166269e8da6aa59a09382fe28035bb5f49a5194a289c644eb14d3ab2d2173c80", kill_on_drop: false }`
[INFO] [stdout] 166269e8da6aa59a09382fe28035bb5f49a5194a289c644eb14d3ab2d2173c80