[INFO] cloning repository https://github.com/LordHavelockVetinari/aardvark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LordHavelockVetinari/aardvark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordHavelockVetinari%2Faardvark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordHavelockVetinari%2Faardvark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9962cb17dd99700aa76ccd689baa48871b970574
[INFO] checking LordHavelockVetinari/aardvark/9962cb17dd99700aa76ccd689baa48871b970574 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%2FLordHavelockVetinari%2Faardvark" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LordHavelockVetinari/aardvark 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/LordHavelockVetinari/aardvark
[INFO] finished tweaking git repo https://github.com/LordHavelockVetinari/aardvark
[INFO] tweaked toml for git repo https://github.com/LordHavelockVetinari/aardvark written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LordHavelockVetinari/aardvark 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 02dc1c3188940afb2077a8fc238841938a64d51fd3ed2b1e80a48d2162133a8c
[INFO] running `Command { std: "docker" "start" "-a" "02dc1c3188940afb2077a8fc238841938a64d51fd3ed2b1e80a48d2162133a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02dc1c3188940afb2077a8fc238841938a64d51fd3ed2b1e80a48d2162133a8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02dc1c3188940afb2077a8fc238841938a64d51fd3ed2b1e80a48d2162133a8c", kill_on_drop: false }`
[INFO] [stdout] 02dc1c3188940afb2077a8fc238841938a64d51fd3ed2b1e80a48d2162133a8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b1ac0b06b426c55111180ab6d96e2278c35b494c288fec052278b8295eb0cbe3
[INFO] running `Command { std: "docker" "start" "-a" "b1ac0b06b426c55111180ab6d96e2278c35b494c288fec052278b8295eb0cbe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking elsa v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking aardvark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/parse.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct StringLiteral {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 40 |     pub location: StartEnd,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/main.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn run_str(s: &str, error_handler: Box<dyn Write>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                     ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |     let prog = parse::parse(s.chars())?;
[INFO] [stdout]    |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 14 |     vm::VirtualMachine::with(Box::new(error_handler), |vm| {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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/main.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn run_str(s: &str, error_handler: Box<dyn Write>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                       ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |       let prog = parse::parse(s.chars())?;
[INFO] [stdout]    |           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 14 |       vm::VirtualMachine::with(Box::new(error_handler), |vm| {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 15 | |         let main = compile::compile(prog, vm)?;
[INFO] [stdout] 16 | |         vm.run_main(main);
[INFO] [stdout] 17 | |         Ok(())
[INFO] [stdout] 18 | |     })
[INFO] [stdout]    | |     ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_____|
[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/parse.rs:175:33
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn next_char_if<F: FnOnce(char) -> bool>(&mut self, f: F) -> Option<char> {
[INFO] [stdout]     |                                                         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 175 |         self.peek_char().filter(|&c| f(c)).map(|c| {
[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/parse.rs:503:12
[INFO] [stdout]     |
[INFO] [stdout] 497 |           let mut code = vec![];
[INFO] [stdout]     |                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 503 |           Ok(Some(Function {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 504 | |             location: StartEnd {
[INFO] [stdout] 505 | |                 start: pos,
[INFO] [stdout] 506 | |                 end: self.position.clone(),
[INFO] [stdout] ...   |
[INFO] [stdout] 510 | |             code,
[INFO] [stdout] 511 | |         }))
[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/parse.rs:525:12
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let mut functions = vec![];
[INFO] [stdout]     |                 --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 525 |         Ok(Program { functions })
[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/parse.rs:530:5
[INFO] [stdout]     |
[INFO] [stdout] 529 |   pub fn parse<I: Iterator<Item = char>>(iter: I) -> Result<Program> {
[INFO] [stdout]     |                                          ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 530 | /     Parser {
[INFO] [stdout] 531 | |         iter: iter.peekable(),
[INFO] [stdout] 532 | |         position: Position { row: 1, col: 1 },
[INFO] [stdout] 533 | |     }
[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/vm.rs:143:22
[INFO] [stdout]     |
[INFO] [stdout] 139 |       fn call(&'a self, vm: &'a VirtualMachine<'a>, args: Vec<Option<Task<'a>>>) -> Task<'a> {
[INFO] [stdout]     |                                                     --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 143 |               content: Rc::new(RefCell::new(match &self.behavior {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 144 | |                 FunctionBehavior::Builtin(f) => MultiPoll::Pending(Box::pin(f(args))),
[INFO] [stdout] 145 | |                 FunctionBehavior::UserDefined(instructions) => {
[INFO] [stdout] 146 | |                     MultiPoll::Pending(Box::pin(async move {
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |                 }
[INFO] [stdout] 161 | |             })),
[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/vm.rs:227:71
[INFO] [stdout]     |
[INFO] [stdout] 227 |             behavior: FunctionBehavior::Builtin(Box::new(|_| Box::pin(async { Task::void() }))),
[INFO] [stdout]     |                                                           -           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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/vm.rs:235:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |               behavior: FunctionBehavior::Builtin(Box::new(|_| {
[INFO] [stdout]     |                                                             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 235 |                   Box::pin(async {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 236 | |                     futures::pending!();
[INFO] [stdout] 237 | |                     Task::void()
[INFO] [stdout] 238 | |                 })
[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/vm.rs:247:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |               behavior: FunctionBehavior::Builtin(Box::new(|v| {
[INFO] [stdout]     |                                                             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 247 |                   Box::pin(async move {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 248 | |                     let task = v[0].as_ref().expect("first argument of ready() is None");
[INFO] [stdout] 249 | |                     let default = v[1].as_ref().expect("second argument of ready() is None");
[INFO] [stdout] 250 | |                     match &*task.content.borrow() {
[INFO] [stdout] ...   |
[INFO] [stdout] 253 | |                     }
[INFO] [stdout] 254 | |                 })
[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/vm.rs:250:28
[INFO] [stdout]     |
[INFO] [stdout] 246 |             behavior: FunctionBehavior::Builtin(Box::new(|v| {
[INFO] [stdout]     |                                                           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 250 |                     match &*task.content.borrow() {
[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/vm.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |               behavior: FunctionBehavior::Builtin(Box::new(|v| {
[INFO] [stdout]     |                                                             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 263 |                   Box::pin(async move {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 264 | |                     let task = v[0]
[INFO] [stdout] 265 | |                         .as_ref()
[INFO] [stdout] 266 | |                         .expect("first argument of poll() is None")
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |                     }
[INFO] [stdout] 274 | |                 })
[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/vm.rs:294:33
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn add_function(&self, func: Function<'a>) -> &Function<'a> {
[INFO] [stdout]     |                                ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 294 |         self.functions.push_get(Box::new(func))
[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 13 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/parse.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct StringLiteral {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 40 |     pub location: StartEnd,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/main.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn run_str(s: &str, error_handler: Box<dyn Write>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                     ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |     let prog = parse::parse(s.chars())?;
[INFO] [stdout]    |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 14 |     vm::VirtualMachine::with(Box::new(error_handler), |vm| {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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/main.rs:14:55
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn run_str(s: &str, error_handler: Box<dyn Write>) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                       ----------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 13 |       let prog = parse::parse(s.chars())?;
[INFO] [stdout]    |           ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 14 |       vm::VirtualMachine::with(Box::new(error_handler), |vm| {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 15 | |         let main = compile::compile(prog, vm)?;
[INFO] [stdout] 16 | |         vm.run_main(main);
[INFO] [stdout] 17 | |         Ok(())
[INFO] [stdout] 18 | |     })
[INFO] [stdout]    | |     ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_____|
[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/parse.rs:175:33
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn next_char_if<F: FnOnce(char) -> bool>(&mut self, f: F) -> Option<char> {
[INFO] [stdout]     |                                                         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 175 |         self.peek_char().filter(|&c| f(c)).map(|c| {
[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/parse.rs:503:12
[INFO] [stdout]     |
[INFO] [stdout] 497 |           let mut code = vec![];
[INFO] [stdout]     |                   ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 503 |           Ok(Some(Function {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 504 | |             location: StartEnd {
[INFO] [stdout] 505 | |                 start: pos,
[INFO] [stdout] 506 | |                 end: self.position.clone(),
[INFO] [stdout] ...   |
[INFO] [stdout] 510 | |             code,
[INFO] [stdout] 511 | |         }))
[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/parse.rs:525:12
[INFO] [stdout]     |
[INFO] [stdout] 516 |         let mut functions = vec![];
[INFO] [stdout]     |                 --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 525 |         Ok(Program { functions })
[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/parse.rs:530:5
[INFO] [stdout]     |
[INFO] [stdout] 529 |   pub fn parse<I: Iterator<Item = char>>(iter: I) -> Result<Program> {
[INFO] [stdout]     |                                          ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 530 | /     Parser {
[INFO] [stdout] 531 | |         iter: iter.peekable(),
[INFO] [stdout] 532 | |         position: Position { row: 1, col: 1 },
[INFO] [stdout] 533 | |     }
[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/vm.rs:143:22
[INFO] [stdout]     |
[INFO] [stdout] 139 |       fn call(&'a self, vm: &'a VirtualMachine<'a>, args: Vec<Option<Task<'a>>>) -> Task<'a> {
[INFO] [stdout]     |                                                     --------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 143 |               content: Rc::new(RefCell::new(match &self.behavior {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 144 | |                 FunctionBehavior::Builtin(f) => MultiPoll::Pending(Box::pin(f(args))),
[INFO] [stdout] 145 | |                 FunctionBehavior::UserDefined(instructions) => {
[INFO] [stdout] 146 | |                     MultiPoll::Pending(Box::pin(async move {
[INFO] [stdout] ...   |
[INFO] [stdout] 160 | |                 }
[INFO] [stdout] 161 | |             })),
[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/vm.rs:227:71
[INFO] [stdout]     |
[INFO] [stdout] 227 |             behavior: FunctionBehavior::Builtin(Box::new(|_| Box::pin(async { Task::void() }))),
[INFO] [stdout]     |                                                           -           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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/vm.rs:235:26
[INFO] [stdout]     |
[INFO] [stdout] 234 |               behavior: FunctionBehavior::Builtin(Box::new(|_| {
[INFO] [stdout]     |                                                             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 235 |                   Box::pin(async {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 236 | |                     futures::pending!();
[INFO] [stdout] 237 | |                     Task::void()
[INFO] [stdout] 238 | |                 })
[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/vm.rs:247:26
[INFO] [stdout]     |
[INFO] [stdout] 246 |               behavior: FunctionBehavior::Builtin(Box::new(|v| {
[INFO] [stdout]     |                                                             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 247 |                   Box::pin(async move {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 248 | |                     let task = v[0].as_ref().expect("first argument of ready() is None");
[INFO] [stdout] 249 | |                     let default = v[1].as_ref().expect("second argument of ready() is None");
[INFO] [stdout] 250 | |                     match &*task.content.borrow() {
[INFO] [stdout] ...   |
[INFO] [stdout] 253 | |                     }
[INFO] [stdout] 254 | |                 })
[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/vm.rs:250:28
[INFO] [stdout]     |
[INFO] [stdout] 246 |             behavior: FunctionBehavior::Builtin(Box::new(|v| {
[INFO] [stdout]     |                                                           - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 250 |                     match &*task.content.borrow() {
[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/vm.rs:263:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |               behavior: FunctionBehavior::Builtin(Box::new(|v| {
[INFO] [stdout]     |                                                             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 263 |                   Box::pin(async move {
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 264 | |                     let task = v[0]
[INFO] [stdout] 265 | |                         .as_ref()
[INFO] [stdout] 266 | |                         .expect("first argument of poll() is None")
[INFO] [stdout] ...   |
[INFO] [stdout] 273 | |                     }
[INFO] [stdout] 274 | |                 })
[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/vm.rs:294:33
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn add_function(&self, func: Function<'a>) -> &Function<'a> {
[INFO] [stdout]     |                                ------------------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 294 |         self.functions.push_get(Box::new(func))
[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] [stderr] error: could not compile `aardvark` (bin "aardvark" test) due to 14 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 13 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aardvark` (bin "aardvark") due to 14 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b1ac0b06b426c55111180ab6d96e2278c35b494c288fec052278b8295eb0cbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ac0b06b426c55111180ab6d96e2278c35b494c288fec052278b8295eb0cbe3", kill_on_drop: false }`
[INFO] [stdout] b1ac0b06b426c55111180ab6d96e2278c35b494c288fec052278b8295eb0cbe3