[INFO] fetching crate variadics 0.0.6... [INFO] checking variadics-0.0.6 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate variadics 0.0.6 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate variadics 0.0.6 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 variadics 0.0.6 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate variadics 0.0.6 [INFO] tweaked toml for crates.io crate variadics 0.0.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate variadics 0.0.6 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0168cf86a14447aa60a2c7db912a3b9be6a0d7cc0d72261de16d42e2998e7df2 [INFO] running `Command { std: "docker" "start" "-a" "0168cf86a14447aa60a2c7db912a3b9be6a0d7cc0d72261de16d42e2998e7df2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0168cf86a14447aa60a2c7db912a3b9be6a0d7cc0d72261de16d42e2998e7df2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0168cf86a14447aa60a2c7db912a3b9be6a0d7cc0d72261de16d42e2998e7df2", kill_on_drop: false }` [INFO] [stdout] 0168cf86a14447aa60a2c7db912a3b9be6a0d7cc0d72261de16d42e2998e7df2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5dbd18addd1f94671036d5ce48266e4d788646e1e5e3b770d8e0649f7733f011 [INFO] running `Command { std: "docker" "start" "-a" "5dbd18addd1f94671036d5ce48266e4d788646e1e5e3b770d8e0649f7733f011", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling serde v1.0.208 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Checking winnow v0.6.18 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Compiling trybuild v1.0.99 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking indexmap v2.4.0 [INFO] [stderr] Compiling syn v2.0.75 [INFO] [stderr] Checking serde_spanned v0.6.7 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking toml_edit v0.22.20 [INFO] [stderr] Compiling sealed v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.208 [INFO] [stderr] Checking variadics v0.0.6 (/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/lib.rs:193:16 [INFO] [stdout] | [INFO] [stdout] 188 | fn extend(self, suffix: Suffix) -> Self::Extend [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] 192 | let (item, rest) = self; [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] 193 | (item, rest.extend(suffix)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #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/lib.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 197 | fn reverse(self) -> Self::Reverse { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 198 | let (item, rest) = self; [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] 199 | rest.reverse().extend((item, ())) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/lib.rs:199:31 [INFO] [stdout] | [INFO] [stdout] 197 | fn reverse(self) -> Self::Reverse { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 198 | let (item, rest) = self; [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] 199 | rest.reverse().extend((item, ())) [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/lib.rs:582:9 [INFO] [stdout] | [INFO] [stdout] 580 | fn into_iter(self) -> Self::IntoIter { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 581 | let (item, rest) = self; [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] 582 | std::iter::once(item).chain(rest.into_iter()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/lib.rs:582:37 [INFO] [stdout] | [INFO] [stdout] 580 | fn into_iter(self) -> Self::IntoIter { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 581 | let (item, rest) = self; [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] 582 | std::iter::once(item).chain(rest.into_iter()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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/lib.rs:610:10 [INFO] [stdout] | [INFO] [stdout] 607 | fn split(self) -> ((Item, PrefixRest), Self::Suffix) { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 608 | let (item, rest) = self; [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] 609 | let (prefix_rest, suffix) = rest.split(); [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] 610 | ((item, prefix_rest), suffix) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `variadics` (lib) due to 7 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5dbd18addd1f94671036d5ce48266e4d788646e1e5e3b770d8e0649f7733f011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5dbd18addd1f94671036d5ce48266e4d788646e1e5e3b770d8e0649f7733f011", kill_on_drop: false }` [INFO] [stdout] 5dbd18addd1f94671036d5ce48266e4d788646e1e5e3b770d8e0649f7733f011