[INFO] cloning repository https://github.com/JohnGilbert57/Grumpy-Language-Compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JohnGilbert57/Grumpy-Language-Compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnGilbert57%2FGrumpy-Language-Compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohnGilbert57%2FGrumpy-Language-Compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f5edfcb4e148e8edc8fcfc08f3e1a2c6dc9a215
[INFO] checking JohnGilbert57/Grumpy-Language-Compiler/4f5edfcb4e148e8edc8fcfc08f3e1a2c6dc9a215 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%2FJohnGilbert57%2FGrumpy-Language-Compiler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler 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/JohnGilbert57/Grumpy-Language-Compiler
[INFO] finished tweaking git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler
[INFO] tweaked toml for git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JohnGilbert57/Grumpy-Language-Compiler 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8bba5630222dd362144af16627e4672421b81017374ff1e0e60fd38d1b0b4f31
[INFO] running `Command { std: "docker" "start" "-a" "8bba5630222dd362144af16627e4672421b81017374ff1e0e60fd38d1b0b4f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bba5630222dd362144af16627e4672421b81017374ff1e0e60fd38d1b0b4f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bba5630222dd362144af16627e4672421b81017374ff1e0e60fd38d1b0b4f31", kill_on_drop: false }`
[INFO] [stdout] 8bba5630222dd362144af16627e4672421b81017374ff1e0e60fd38d1b0b4f31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 38d6c0c189ab805f0b0dd0b0c4c59c2b1ece71b39363631f62dff82e6cd10611
[INFO] running `Command { std: "docker" "start" "-a" "38d6c0c189ab805f0b0dd0b0c4c59c2b1ece71b39363631f62dff82e6cd10611", kill_on_drop: false }`
[INFO] [stderr]     Checking sexp v1.1.4
[INFO] [stderr]     Checking grumpy v0.1.0 (/opt/rustwide/workdir/grumpy)
[INFO] [stdout] warning: unused import: `Binop`
[INFO] [stdout]   --> grumpy/src/compile.rs:12:59
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::isa::{Instr, Label, PInstr, PInstr::*, Val::*, Binop, Unop};
[INFO] [stdout]    |                                                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> grumpy/src/ir.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::isa::{self, Binop, Binop::*, Unop, Unop::*};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> grumpy/src/ir.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::isa::{self, Binop, Binop::*, Unop, Unop::*};
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> grumpy/src/vm.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut result;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> grumpy/src/ir.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn union<T: std::cmp::Eq + core::hash::Hash>(sets: Vec<HashSet<T>>) -> HashSet<T> {
[INFO] [stdout]    |                                              --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 68 |     sets.into_iter().fold(HashSet::new(), |mut acc, s| {
[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]   --> grumpy/src/ir.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn union<T: std::cmp::Eq + core::hash::Hash>(sets: Vec<HashSet<T>>) -> HashSet<T> {
[INFO] [stdout]    |                                              --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 68 |     sets.into_iter().fold(HashSet::new(), |mut acc, s| {
[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]    --> grumpy/src/ir.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |       let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |           -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 237 |       let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |           -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 238 |       Ok(Exp::Binary(match as_sym(&l[0])? {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 239 | |     "+"  => Add,
[INFO] [stdout] 240 | |     "*"  => Mul,
[INFO] [stdout] 241 | |     "-"  => Sub,
[INFO] [stdout] ...   |
[INFO] [stdout] 245 | |     b => return Err(format!("unknown binop: {}", b).into())
[INFO] [stdout] 246 | |     }, e1, e2))
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |              these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |______________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let e1 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 255 |     let e2 = Box::new(l[3].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 256 |     Ok(Exp::Let(x, e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 264 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 265 |     Ok(Exp::Seq(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:274:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 273 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 274 |     Ok(Exp::Alloc(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 282 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 283 |     let e3 = Box::new(l[3].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 284 |     Ok(Exp::Set(e1, e2, e3))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 292 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 293 |     Ok(Exp::Get(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 301 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 302 |     let e3 = Box::new(l[3].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 303 |     Ok(Exp::Cond(e1, e2, e3))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 345 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 346 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 347 |     Ok(Exp::While(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 354 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 355 |     Ok(Exp::Print(e1))
[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]    --> grumpy/src/ir.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 363 |     Ok(Exp::Size(e1))
[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]    --> grumpy/src/ir.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let ty = l[1].clone().try_into()?;
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 453 |     Ok(Param(nm, ty))
[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] warning: variable does not need to be mutable
[INFO] [stdout]    --> grumpy/src/vm.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut result;
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> grumpy/src/vm.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         match result {
[INFO] [stdout] 237 | |             Vsize(v) => State::push(self, Vi32(v as i32)),
[INFO] [stdout] 238 | |             _        => {return Err(VMError("Error: Exec() - Size failed not a Vsize".to_string()));}
[INFO] [stdout] 239 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let _ = match result {
[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]   --> grumpy/src/ir.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn union<T: std::cmp::Eq + core::hash::Hash>(sets: Vec<HashSet<T>>) -> HashSet<T> {
[INFO] [stdout]    |                                              --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 68 |     sets.into_iter().fold(HashSet::new(), |mut acc, s| {
[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]   --> grumpy/src/ir.rs:68:27
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn union<T: std::cmp::Eq + core::hash::Hash>(sets: Vec<HashSet<T>>) -> HashSet<T> {
[INFO] [stdout]    |                                              --------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 68 |     sets.into_iter().fold(HashSet::new(), |mut acc, s| {
[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; 4 warnings emitted
[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]    --> grumpy/src/ir.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |       let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |           -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 237 |       let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |           -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 238 |       Ok(Exp::Binary(match as_sym(&l[0])? {
[INFO] [stdout]     |  ________^
[INFO] [stdout] 239 | |     "+"  => Add,
[INFO] [stdout] 240 | |     "*"  => Mul,
[INFO] [stdout] 241 | |     "-"  => Sub,
[INFO] [stdout] ...   |
[INFO] [stdout] 245 | |     b => return Err(format!("unknown binop: {}", b).into())
[INFO] [stdout] 246 | |     }, e1, e2))
[INFO] [stdout]     | |              ^
[INFO] [stdout]     | |              |
[INFO] [stdout]     | |              these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     | |______________these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:256:8
[INFO] [stdout]     |
[INFO] [stdout] 254 |     let e1 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 255 |     let e2 = Box::new(l[3].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 256 |     Ok(Exp::Let(x, e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 263 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 264 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 265 |     Ok(Exp::Seq(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:274:8
[INFO] [stdout]     |
[INFO] [stdout] 272 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 273 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 274 |     Ok(Exp::Alloc(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:284:8
[INFO] [stdout]     |
[INFO] [stdout] 281 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 282 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 283 |     let e3 = Box::new(l[3].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 284 |     Ok(Exp::Set(e1, e2, e3))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:293:8
[INFO] [stdout]     |
[INFO] [stdout] 291 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 292 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 293 |     Ok(Exp::Get(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:303:8
[INFO] [stdout]     |
[INFO] [stdout] 300 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 301 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 302 |     let e3 = Box::new(l[3].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 303 |     Ok(Exp::Cond(e1, e2, e3))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:347:8
[INFO] [stdout]     |
[INFO] [stdout] 345 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 346 |     let e2 = Box::new(l[2].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 347 |     Ok(Exp::While(e1, e2))
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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]    --> grumpy/src/ir.rs:355:8
[INFO] [stdout]     |
[INFO] [stdout] 354 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 355 |     Ok(Exp::Print(e1))
[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]    --> grumpy/src/ir.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 362 |     let e1 = Box::new(l[1].clone().try_into()?);
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 363 |     Ok(Exp::Size(e1))
[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]    --> grumpy/src/ir.rs:453:5
[INFO] [stdout]     |
[INFO] [stdout] 452 |     let ty = l[1].clone().try_into()?;
[INFO] [stdout]     |         -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 453 |     Ok(Param(nm, ty))
[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] warning: unused `Result` that must be used
[INFO] [stdout]    --> grumpy/src/vm.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 | /         match result {
[INFO] [stdout] 237 | |             Vsize(v) => State::push(self, Vi32(v as i32)),
[INFO] [stdout] 238 | |             _        => {return Err(VMError("Error: Exec() - Size failed not a Vsize".to_string()));}
[INFO] [stdout] 239 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 236 |         let _ = match result {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grumpy` (lib) due to 14 previous errors; 4 warnings emitted
[INFO] [stdout] error: aborting due to 13 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `grumpy` (lib test) due to 14 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "38d6c0c189ab805f0b0dd0b0c4c59c2b1ece71b39363631f62dff82e6cd10611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38d6c0c189ab805f0b0dd0b0c4c59c2b1ece71b39363631f62dff82e6cd10611", kill_on_drop: false }`
[INFO] [stdout] 38d6c0c189ab805f0b0dd0b0c4c59c2b1ece71b39363631f62dff82e6cd10611