[INFO] fetching crate trait-map 0.3.1...
[INFO] checking trait-map-0.3.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate trait-map 0.3.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate trait-map 0.3.1 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 trait-map 0.3.1
[INFO] finished tweaking crates.io crate trait-map 0.3.1
[INFO] tweaked toml for crates.io crate trait-map 0.3.1 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94e17eb596a9db5787ddabe4d9ced15e7843b5f7b75c85ad46ebbdbc63a63984
[INFO] running `Command { std: "docker" "start" "-a" "94e17eb596a9db5787ddabe4d9ced15e7843b5f7b75c85ad46ebbdbc63a63984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94e17eb596a9db5787ddabe4d9ced15e7843b5f7b75c85ad46ebbdbc63a63984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94e17eb596a9db5787ddabe4d9ced15e7843b5f7b75c85ad46ebbdbc63a63984", kill_on_drop: false }`
[INFO] [stdout] 94e17eb596a9db5787ddabe4d9ced15e7843b5f7b75c85ad46ebbdbc63a63984
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d14684332ebc576bc87b857ec5a542a6f0efaec04698cfb7d21744c9b8498d
[INFO] running `Command { std: "docker" "start" "-a" "e4d14684332ebc576bc87b857ec5a542a6f0efaec04698cfb7d21744c9b8498d", kill_on_drop: false }`
[INFO] [stderr]     Checking trait-map v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<Box<dyn for<'a, 'b> FnMut(&'a mut OneAndTwo, Context<'b>)>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:948:39
[INFO] [stdout]     |
[INFO] [stdout] 947 |     fn on_create<'a>(&mut self, context: Context<'a>) {
[INFO] [stdout]     |                                 ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 948 |       if let Some(mut on_create_fn) = self.on_create_fn.take() {
[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 `Option<Box<dyn for<'a, 'b> FnMut(&'a mut OneAndTwo, Context<'b>)>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:955:39
[INFO] [stdout]     |
[INFO] [stdout] 954 |     fn on_update<'a>(&mut self, context: Context<'a>) {
[INFO] [stdout]     |                                 ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 955 |       if let Some(mut on_update_fn) = self.on_update_fn.take() {
[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 `Option<Box<dyn for<'a, 'b> FnMut(&'a mut TwoOnly, Context<'b>)>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:964:39
[INFO] [stdout]     |
[INFO] [stdout] 963 |     fn on_create<'a>(&mut self, context: Context<'a>) {
[INFO] [stdout]     |                                 ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 964 |       if let Some(mut on_create_fn) = self.on_create_fn.take() {
[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 `Option<Box<dyn for<'a, 'b> FnMut(&'a mut TwoOnly, Context<'b>)>>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:971:39
[INFO] [stdout]     |
[INFO] [stdout] 970 |     fn on_update<'a>(&mut self, context: Context<'a>) {
[INFO] [stdout]     |                                 ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 971 |       if let Some(mut on_update_fn) = self.on_update_fn.take() {
[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] warning: method `unused` is never used
[INFO] [stdout]    --> src/lib.rs:879:8
[INFO] [stdout]     |
[INFO] [stdout] 878 |   trait TraitThree {
[INFO] [stdout]     |         ---------- method in this trait
[INFO] [stdout] 879 |     fn unused(&self) -> (i8, i8);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trait-map` (lib test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e4d14684332ebc576bc87b857ec5a542a6f0efaec04698cfb7d21744c9b8498d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d14684332ebc576bc87b857ec5a542a6f0efaec04698cfb7d21744c9b8498d", kill_on_drop: false }`
[INFO] [stdout] e4d14684332ebc576bc87b857ec5a542a6f0efaec04698cfb7d21744c9b8498d