[INFO] cloning repository https://github.com/FukudaTaiga/solver_with_symbolic [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FukudaTaiga/solver_with_symbolic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f2a587a1670b08dea167bfead4a83396cbd65999 [INFO] checking FukudaTaiga/solver_with_symbolic/f2a587a1670b08dea167bfead4a83396cbd65999 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFukudaTaiga%2Fsolver_with_symbolic" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FukudaTaiga/solver_with_symbolic 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 git repo https://github.com/FukudaTaiga/solver_with_symbolic [INFO] finished tweaking git repo https://github.com/FukudaTaiga/solver_with_symbolic [INFO] tweaked toml for git repo https://github.com/FukudaTaiga/solver_with_symbolic written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/FukudaTaiga/solver_with_symbolic 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" "+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] d2209bdf592b9a8b4d6fd3de74fd20e54d9b45ce6f7e6dac14fcef7653e846ee [INFO] running `Command { std: "docker" "start" "-a" "d2209bdf592b9a8b4d6fd3de74fd20e54d9b45ce6f7e6dac14fcef7653e846ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2209bdf592b9a8b4d6fd3de74fd20e54d9b45ce6f7e6dac14fcef7653e846ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2209bdf592b9a8b4d6fd3de74fd20e54d9b45ce6f7e6dac14fcef7653e846ee", kill_on_drop: false }` [INFO] [stdout] d2209bdf592b9a8b4d6fd3de74fd20e54d9b45ce6f7e6dac14fcef7653e846ee [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] ff96680c827063ccffdfc8823ecbc91e2c31959f37ccdcda88f1dff4668d7c8e [INFO] running `Command { std: "docker" "start" "-a" "ff96680c827063ccffdfc8823ecbc91e2c31959f37ccdcda88f1dff4668d7c8e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling num-bigint v0.3.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling fst v0.4.7 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking blake2-rfc v0.2.18 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking permutation_iterator v0.1.2 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling structopt-derive v0.4.16 [INFO] [stderr] Compiling strum_macros v0.21.1 [INFO] [stderr] Compiling pomelo-impl v0.1.5 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking thiserror v1.0.29 [INFO] [stderr] Checking strum v0.21.0 [INFO] [stderr] Checking pomelo v0.1.5 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking smt2parser v0.6.1 [INFO] [stderr] Checking solver_with_symbolic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `initial_state_mut` is never used [INFO] [stdout] --> src/state.rs:83:6 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait StateMachine: Sized { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 83 | fn initial_state_mut(&mut self) -> &mut Self::StateType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HashSetExt` is never used [INFO] [stdout] --> src/util.rs:117:20 [INFO] [stdout] | [INFO] [stdout] 117 | pub(crate) trait HashSetExt: std::marker::Sized { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `std::collections::HashSet` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/regular/symbolic_automata.rs:1172:13 [INFO] [stdout] | [INFO] [stdout] 1162 | pub fn to_reg(mut self) -> Regex { [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] | 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] 1172 | mut final_states, [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: method `initial_state_mut` is never used [INFO] [stdout] --> src/state.rs:83:6 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait StateMachine: Sized { [INFO] [stdout] | ------------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 83 | fn initial_state_mut(&mut self) -> &mut Self::StateType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `HashSetExt` is never used [INFO] [stdout] --> src/util.rs:117:20 [INFO] [stdout] | [INFO] [stdout] 117 | pub(crate) trait HashSetExt: std::marker::Sized { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `solver_with_symbolic` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ff96680c827063ccffdfc8823ecbc91e2c31959f37ccdcda88f1dff4668d7c8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff96680c827063ccffdfc8823ecbc91e2c31959f37ccdcda88f1dff4668d7c8e", kill_on_drop: false }` [INFO] [stdout] ff96680c827063ccffdfc8823ecbc91e2c31959f37ccdcda88f1dff4668d7c8e