[INFO] fetching crate causal-length 0.2.0... [INFO] checking causal-length-0.2.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate causal-length 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate causal-length 0.2.0 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 causal-length 0.2.0 [INFO] finished tweaking crates.io crate causal-length 0.2.0 [INFO] tweaked toml for crates.io crate causal-length 0.2.0 written to /workspace/builds/worker-3-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 33 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.8.4 (available: v0.11.5) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.79) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e995845fcdfc3753b445d70c852b718fa96a233d26d2e3ed7ee8b751ca1c728a [INFO] running `Command { std: "docker" "start" "-a" "e995845fcdfc3753b445d70c852b718fa96a233d26d2e3ed7ee8b751ca1c728a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e995845fcdfc3753b445d70c852b718fa96a233d26d2e3ed7ee8b751ca1c728a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e995845fcdfc3753b445d70c852b718fa96a233d26d2e3ed7ee8b751ca1c728a", kill_on_drop: false }` [INFO] [stdout] e995845fcdfc3753b445d70c852b718fa96a233d26d2e3ed7ee8b751ca1c728a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 73ab21aad4cc786e249216b9d8524ecfe96c38a9ffd8231f2bb82af33d9599b8 [INFO] running `Command { std: "docker" "start" "-a" "73ab21aad4cc786e249216b9d8524ecfe96c38a9ffd8231f2bb82af33d9599b8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Checking causal-length v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/map.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 304 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/set.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 232 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::collections::hash_map::Entry<'_, K, register::Register>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/map.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn merge_register(&mut self, delta: Register<(K, V), Tag, CL>, min_tag: Tag) { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 141 | match self.map.entry(delta.item.0.clone()) { [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] warning: unused import: `serialization::*` [INFO] [stdout] --> src/map.rs:304:9 [INFO] [stdout] | [INFO] [stdout] 304 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serialization::*` [INFO] [stdout] --> src/set.rs:232:9 [INFO] [stdout] | [INFO] [stdout] 232 | pub use serialization::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/set.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut e = self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::collections::hash_map::Entry<'_, T, set::SubRegister>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/set.rs:122:15 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn merge_register(&mut self, delta: Register, min_tag: Tag) { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 122 | match self.map.entry(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: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `causal-length` (lib) due to 3 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `std::collections::hash_map::Entry<'_, K, register::Register>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/map.rs:141:15 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn merge_register(&mut self, delta: Register<(K, V), Tag, CL>, min_tag: Tag) { [INFO] [stdout] | ----- [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 141 | match self.map.entry(delta.item.0.clone()) { [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/set.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | let mut e = self [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::collections::hash_map::Entry<'_, T, set::SubRegister>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/set.rs:122:15 [INFO] [stdout] | [INFO] [stdout] 116 | pub fn merge_register(&mut self, delta: Register, min_tag: Tag) { [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 122 | match self.map.entry(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: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `causal-length` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "73ab21aad4cc786e249216b9d8524ecfe96c38a9ffd8231f2bb82af33d9599b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73ab21aad4cc786e249216b9d8524ecfe96c38a9ffd8231f2bb82af33d9599b8", kill_on_drop: false }` [INFO] [stdout] 73ab21aad4cc786e249216b9d8524ecfe96c38a9ffd8231f2bb82af33d9599b8