[INFO] cloning repository https://github.com/ImpleLee/c4w [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImpleLee/c4w" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3543576c968195e615803afdca408009fb37ce74 [INFO] checking ImpleLee/c4w/3543576c968195e615803afdca408009fb37ce74 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ImpleLee/c4w 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 git repo https://github.com/ImpleLee/c4w [INFO] finished tweaking git repo https://github.com/ImpleLee/c4w [INFO] tweaked toml for git repo https://github.com/ImpleLee/c4w written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ImpleLee/c4w 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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d72e774e82fc7110832e4154445687a7c73fda1953be55232f739f7685abffc0 [INFO] running `Command { std: "docker" "start" "-a" "d72e774e82fc7110832e4154445687a7c73fda1953be55232f739f7685abffc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d72e774e82fc7110832e4154445687a7c73fda1953be55232f739f7685abffc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d72e774e82fc7110832e4154445687a7c73fda1953be55232f739f7685abffc0", kill_on_drop: false }` [INFO] [stdout] d72e774e82fc7110832e4154445687a7c73fda1953be55232f739f7685abffc0 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db83bc171a35caf913eeb4a290984d8bc6957f516609c8248718a3c082a00395 [INFO] running `Command { std: "docker" "start" "-a" "db83bc171a35caf913eeb4a290984d8bc6957f516609c8248718a3c082a00395", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling anyhow v1.0.80 [INFO] [stderr] Checking smallvec v1.13.1 [INFO] [stderr] Checking float-ord v0.3.2 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking easy-cast v0.4.4 [INFO] [stderr] Checking clap_builder v4.5.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking hopcroft-karp v0.2.1 [INFO] [stderr] Checking rayon v1.9.0 [INFO] [stderr] Checking itertools v0.12.1 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking average v0.13.1 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking sucds v0.8.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking rs-graph v0.20.1 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling clap_derive v4.5.0 [INFO] [stderr] Checking clap v4.5.1 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking c4w v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `LoopFinder` is never constructed [INFO] [stdout] --> src/evaluator/loop_finder.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct LoopFinder; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `has_loop` is never used [INFO] [stdout] --> src/evaluator/loop_finder.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 6 | impl LoopFinder { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 7 | pub fn has_loop(mut states: ConcreteMappedStates) -> bool { [INFO] [stdout] | ^^^^^^^^ [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/minimizer/parallel.rs:28:22 [INFO] [stdout] | [INFO] [stdout] 28 | .map(|local| local.into_iter().map(|(k, v)| (k, vec![v])).collect()) [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/states/mod.rs:67:14 [INFO] [stdout] | [INFO] [stdout] 51 | let mut cont_index: Vec> = Vec::new(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | (fields, Continuation { cont_index, continuations: cont }) [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/states/mod.rs:235:23 [INFO] [stdout] | [INFO] [stdout] 234 | fn count_same(self) -> CountSame { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 235 | CountSame { iter: self.into_iter(), last: None, count: 0 } [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/states/mod.rs:235:47 [INFO] [stdout] | [INFO] [stdout] 234 | fn count_same(self) -> CountSame { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 235 | CountSame { iter: self.into_iter(), last: None, count: 0 } [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] warning: struct `LoopFinder` is never constructed [INFO] [stdout] --> src/evaluator/loop_finder.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct LoopFinder; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `has_loop` is never used [INFO] [stdout] --> src/evaluator/loop_finder.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 6 | impl LoopFinder { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 7 | pub fn has_loop(mut states: ConcreteMappedStates) -> bool { [INFO] [stdout] | ^^^^^^^^ [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/minimizer/parallel.rs:28:22 [INFO] [stdout] | [INFO] [stdout] 28 | .map(|local| local.into_iter().map(|(k, v)| (k, vec![v])).collect()) [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/states/mod.rs:67:14 [INFO] [stdout] | [INFO] [stdout] 51 | let mut cont_index: Vec> = Vec::new(); [INFO] [stdout] | ---------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 67 | (fields, Continuation { cont_index, continuations: cont }) [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/states/mod.rs:235:23 [INFO] [stdout] | [INFO] [stdout] 234 | fn count_same(self) -> CountSame { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 235 | CountSame { iter: self.into_iter(), last: None, count: 0 } [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/states/mod.rs:235:47 [INFO] [stdout] | [INFO] [stdout] 234 | fn count_same(self) -> CountSame { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 235 | CountSame { iter: self.into_iter(), last: None, count: 0 } [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 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `c4w` (lib) due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `c4w` (lib test) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "db83bc171a35caf913eeb4a290984d8bc6957f516609c8248718a3c082a00395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db83bc171a35caf913eeb4a290984d8bc6957f516609c8248718a3c082a00395", kill_on_drop: false }` [INFO] [stdout] db83bc171a35caf913eeb4a290984d8bc6957f516609c8248718a3c082a00395