[INFO] fetching crate xxcalc 0.2.1...
[INFO] checking xxcalc-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate xxcalc 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate xxcalc 0.2.1 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 xxcalc 0.2.1
[INFO] finished tweaking crates.io crate xxcalc 0.2.1
[INFO] tweaked toml for crates.io crate xxcalc 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.4.0 (latest: v2.6.0)
[INFO] [stderr]       Adding encode_unicode v0.1.3 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.5.1 (latest: v0.29.0)
[INFO] [stderr]       Adding rustyline v1.0.0 (latest: v14.0.0)
[INFO] [stderr]       Adding smallvec v0.2.1 (latest: v1.13.2)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 26f506686dc3b53222733eab0c35267f5ec817109fb7377df9e1e27ee114cc3b
[INFO] running `Command { std: "docker" "start" "-a" "26f506686dc3b53222733eab0c35267f5ec817109fb7377df9e1e27ee114cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f506686dc3b53222733eab0c35267f5ec817109fb7377df9e1e27ee114cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f506686dc3b53222733eab0c35267f5ec817109fb7377df9e1e27ee114cc3b", kill_on_drop: false }`
[INFO] [stdout] 26f506686dc3b53222733eab0c35267f5ec817109fb7377df9e1e27ee114cc3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d5e55313a801c854bc842f5f8b2c08bc8463a35390be4cf6fb56ef16e07a678c
[INFO] running `Command { std: "docker" "start" "-a" "d5e55313a801c854bc842f5f8b2c08bc8463a35390be4cf6fb56ef16e07a678c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking xxcalc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `tokenize`
[INFO] [stdout]    --> src/tokenizer.rs:267:14
[INFO] [stdout]     |
[INFO] [stdout] 267 | macro_rules! tokenize {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tokenize_ref`
[INFO] [stdout]    --> src/tokenizer.rs:271:14
[INFO] [stdout]     |
[INFO] [stdout] 271 | macro_rules! tokenize_ref {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |           let result = try!(self.call_function(&x.to_string(), position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |           let result = try!(self.call_function(&x, position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let parsed_tokens = try!(parser.process(tokens));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let evaluated = try!(evaluator.process(parsed_tokens));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:56
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:280:29
[INFO] [stdout]     |
[INFO] [stdout] 280 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log10()))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Ok(args[0].bind(try!(args[1].as_f64())))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/evaluator.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<dyn Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `tokenize`
[INFO] [stdout]    --> src/tokenizer.rs:267:14
[INFO] [stdout]     |
[INFO] [stdout] 267 | macro_rules! tokenize {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:250:24
[INFO] [stdout]     |
[INFO] [stdout] 250 |           let result = try!(self.call_function(&x.to_string(), position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:261:24
[INFO] [stdout]     |
[INFO] [stdout] 261 |           let result = try!(self.call_function(&x, position, &mut stack));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:559:31
[INFO] [stdout]     |
[INFO] [stdout] 559 |       Ok(Polynomial::constant(try!(args[0].clone().as_f64()) % try!(args[1].clone().as_f64())))
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/evaluator.rs:559:64
[INFO] [stdout]     |
[INFO] [stdout] 559 |       Ok(Polynomial::constant(try!(args[0].clone().as_f64()) % try!(args[1].clone().as_f64())))
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let parsed_tokens = try!(parser.process(tokens));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/calculator.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let evaluated = try!(evaluator.process(parsed_tokens));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:29
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:56
[INFO] [stdout]     |
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[INFO] [stdout]     |                                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:280:29
[INFO] [stdout]     |
[INFO] [stdout] 280 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log10()))
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/polynomial_calculator.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |     Ok(args[0].bind(try!(args[1].as_f64())))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/evaluator.rs:15:31
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type FunctionHandle = Box<dyn Fn(Vec<Polynomial>) -> Result<Polynomial, EvaluationError>>;
[INFO] [stdout]    |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     self + &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let _ = self + &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     self - &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |     let _ = self - &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     self * &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let _ = self * &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `mul` that must be used
[INFO] [stdout]    --> src/polynomial.rs:618:5
[INFO] [stdout]     |
[INFO] [stdout] 618 |     self.mul(other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 618 |     let _ = self.mul(other);
[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/evaluator.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 343 |   pub fn register_function(&mut self, name: &str, function: Function) -> Result<Option<Function>, EvaluationError> {
[INFO] [stdout]     |                                                   ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 348 |     Ok(self.functions.insert(name.to_string(), function))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 403 |   pub fn register_constant(&mut self, name: &str, constant: Polynomial) -> Result<Option<Polynomial>, EvaluationError> {
[INFO] [stdout]     |                                                   -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 408 |     Ok(self.constants.insert(name.to_string(), constant))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |   pub fn log(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |              --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/polynomial_calculator.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 279 |   pub fn log10(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |                --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 280 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log10()))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/polynomial_calculator.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 301 |   pub fn bind(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |               --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 302 |     Ok(args[0].bind(try!(args[1].as_f64())))
[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 5 previous errors; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xxcalc` (lib) due to 6 previous errors; 15 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:416:5
[INFO] [stdout]     |
[INFO] [stdout] 416 |     self + &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let _ = self + &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 |     self - &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 500 |     let _ = self - &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/polynomial.rs:596:5
[INFO] [stdout]     |
[INFO] [stdout] 596 |     self * &other;
[INFO] [stdout]     |     ^^^^^^^^^^^^^ the arithmetic operation produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 596 |     let _ = self * &other;
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `mul` that must be used
[INFO] [stdout]    --> src/polynomial.rs:618:5
[INFO] [stdout]     |
[INFO] [stdout] 618 |     self.mul(other);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 618 |     let _ = self.mul(other);
[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/evaluator.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 343 |   pub fn register_function(&mut self, name: &str, function: Function) -> Result<Option<Function>, EvaluationError> {
[INFO] [stdout]     |                                                   ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 348 |     Ok(self.functions.insert(name.to_string(), function))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:408:8
[INFO] [stdout]     |
[INFO] [stdout] 403 |   pub fn register_constant(&mut self, name: &str, constant: Polynomial) -> Result<Option<Polynomial>, EvaluationError> {
[INFO] [stdout]     |                                                   -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 408 |     Ok(self.constants.insert(name.to_string(), constant))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:462:8
[INFO] [stdout]     |
[INFO] [stdout] 461 |   pub fn addition(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |                   --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 462 |     Ok(args[0].clone() + args[1].clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:466:8
[INFO] [stdout]     |
[INFO] [stdout] 465 |   pub fn subtraction(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |                      --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 466 |     Ok(args[0].clone() - args[1].clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:470:8
[INFO] [stdout]     |
[INFO] [stdout] 469 |   pub fn multiplication(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |                         --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 470 |     Ok(args[0].clone() * args[1].clone())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:522:10
[INFO] [stdout]     |
[INFO] [stdout] 521 |     evaluator.register_function("double", Function::new(1, Box::new(|args|{
[INFO] [stdout]     |                                                                      ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 522 |       Ok(args[0].clone() * Polynomial::constant(2.0))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:540:10
[INFO] [stdout]     |
[INFO] [stdout] 539 |     evaluator.register_function("unit", Function::new(0, Box::new(|_|{
[INFO] [stdout]     |                                                                    - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 540 |       Ok(Polynomial::constant(1.0))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/evaluator.rs:559:10
[INFO] [stdout]     |
[INFO] [stdout] 558 |     evaluator.register_function("mod", Function::new(2, Box::new(|args|{
[INFO] [stdout]     |                                                                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 559 |       Ok(Polynomial::constant(try!(args[0].clone().as_f64()) % try!(args[1].clone().as_f64())))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/polynomial_calculator.rs:261:8
[INFO] [stdout]     |
[INFO] [stdout] 260 |   pub fn log(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |              --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 261 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log(try!(args[1].as_f64()))))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/polynomial_calculator.rs:280:8
[INFO] [stdout]     |
[INFO] [stdout] 279 |   pub fn log10(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |                --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 280 |     Ok(Polynomial::constant(try!(args[0].as_f64()).log10()))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/polynomial_calculator.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 301 |   pub fn bind(args: Vec<Polynomial>) -> Result<Polynomial, EvaluationError> {
[INFO] [stdout]     |               --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 302 |     Ok(args[0].bind(try!(args[1].as_f64())))
[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 11 previous errors; 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xxcalc` (lib test) due to 12 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d5e55313a801c854bc842f5f8b2c08bc8463a35390be4cf6fb56ef16e07a678c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5e55313a801c854bc842f5f8b2c08bc8463a35390be4cf6fb56ef16e07a678c", kill_on_drop: false }`
[INFO] [stdout] d5e55313a801c854bc842f5f8b2c08bc8463a35390be4cf6fb56ef16e07a678c