[INFO] fetching crate yasna 0.5.2...
[INFO] checking yasna-0.5.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate yasna 0.5.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate yasna 0.5.2 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 yasna 0.5.2
[INFO] finished tweaking crates.io crate yasna 0.5.2
[INFO] tweaked toml for crates.io crate yasna 0.5.2 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]     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 16 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] c9e2e7aaa756c12bf579329b7788dae3b930193af33e7cd5b5284a8d128dc28a
[INFO] running `Command { std: "docker" "start" "-a" "c9e2e7aaa756c12bf579329b7788dae3b930193af33e7cd5b5284a8d128dc28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9e2e7aaa756c12bf579329b7788dae3b930193af33e7cd5b5284a8d128dc28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9e2e7aaa756c12bf579329b7788dae3b930193af33e7cd5b5284a8d128dc28a", kill_on_drop: false }`
[INFO] [stdout] c9e2e7aaa756c12bf579329b7788dae3b930193af33e7cd5b5284a8d128dc28a
[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] b32309cc79a15232b8721f5a8c58443b6000a18a77decc10c00897cbddc25244
[INFO] running `Command { std: "docker" "start" "-a" "b32309cc79a15232b8721f5a8c58443b6000a18a77decc10c00897cbddc25244", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking yasna v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `Option<T>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]     --> src/reader/mod.rs:1733:15
[INFO] [stdout]      |
[INFO] [stdout] 1729 |     pub fn read_default<T, F>(&mut self, default: T, callback: F)
[INFO] [stdout]      |                                          ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 1733 |         match self.read_optional(callback)? {
[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<T>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]     --> src/reader/mod.rs:1875:15
[INFO] [stdout]      |
[INFO] [stdout] 1870 |             (&mut self, tag_hint: &[Tag], default: T, callback: F)
[INFO] [stdout]      |                                           ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 1875 |         match self.read_optional(tag_hint, callback)? {
[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 `yasna` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b32309cc79a15232b8721f5a8c58443b6000a18a77decc10c00897cbddc25244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32309cc79a15232b8721f5a8c58443b6000a18a77decc10c00897cbddc25244", kill_on_drop: false }`
[INFO] [stdout] b32309cc79a15232b8721f5a8c58443b6000a18a77decc10c00897cbddc25244