[INFO] fetching crate herbert 0.2.1...
[INFO] checking herbert-0.2.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate herbert 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate herbert 0.2.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate herbert 0.2.1
[INFO] finished tweaking crates.io crate herbert 0.2.1
[INFO] tweaked toml for crates.io crate herbert 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate herbert 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 959061ad216341ac16e0aa988fe213087178ec319645cb196d730670a97f4531
[INFO] running `Command { std: "docker" "start" "-a" "959061ad216341ac16e0aa988fe213087178ec319645cb196d730670a97f4531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "959061ad216341ac16e0aa988fe213087178ec319645cb196d730670a97f4531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959061ad216341ac16e0aa988fe213087178ec319645cb196d730670a97f4531", kill_on_drop: false }`
[INFO] [stdout] 959061ad216341ac16e0aa988fe213087178ec319645cb196d730670a97f4531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6481ee3558efb6e6ce80f8723fbe6bfcca16d3071806c78a7c43ff27f05499f
[INFO] running `Command { std: "docker" "start" "-a" "e6481ee3558efb6e6ce80f8723fbe6bfcca16d3071806c78a7c43ff27f05499f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking herbert v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::result::Result<(), crossbeam_channel::SendError<RouterCtl>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:276:15
[INFO] [stdout]     |
[INFO] [stdout] 275 |         let (spawn, resp) = RouterCtl::spawn(id, f);
[INFO] [stdout]     |                     ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 276 |         match self.ctl.send(spawn) {
[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: this value of type `std::result::Result<std::result::Result<crossbeam_channel::Sender<Box<dyn Any + Send>>, Error>, crossbeam_channel::RecvError>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:303:15
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let (get, resp) = RouterCtl::get(id);
[INFO] [stdout]     |                   ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 303 |         match resp.recv() {
[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: this value of type `std::result::Result<(), crossbeam_channel::SendError<RouterCtl>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:567:15
[INFO] [stdout]     |
[INFO] [stdout] 566 |         let (spawn, resp) = RouterCtl::spawn(id, f);
[INFO] [stdout]     |                     ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 567 |         match self.router_ctl.send(spawn) {
[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: this value of type `std::result::Result<std::result::Result<crossbeam_channel::Sender<Box<dyn Any + Send>>, Error>, crossbeam_channel::RecvError>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:594:15
[INFO] [stdout]     |
[INFO] [stdout] 590 |         let (get, resp) = RouterCtl::get(id);
[INFO] [stdout]     |                   ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 594 |         match resp.recv() {
[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 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `herbert` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e6481ee3558efb6e6ce80f8723fbe6bfcca16d3071806c78a7c43ff27f05499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6481ee3558efb6e6ce80f8723fbe6bfcca16d3071806c78a7c43ff27f05499f", kill_on_drop: false }`
[INFO] [stdout] e6481ee3558efb6e6ce80f8723fbe6bfcca16d3071806c78a7c43ff27f05499f