[INFO] cloning repository https://github.com/danzhu/rust-fin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danzhu/rust-fin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzhu%2Frust-fin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanzhu%2Frust-fin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 523dcb02f1cc5196560acaa714cde4f281a37fed
[INFO] checking danzhu/rust-fin/523dcb02f1cc5196560acaa714cde4f281a37fed 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%2Fdanzhu%2Frust-fin" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danzhu/rust-fin 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/danzhu/rust-fin
[INFO] finished tweaking git repo https://github.com/danzhu/rust-fin
[INFO] tweaked toml for git repo https://github.com/danzhu/rust-fin written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/danzhu/rust-fin 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] [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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ede9e84ddc546f814e233bdf28492e03150c046f199b3401d33257338253d732
[INFO] running `Command { std: "docker" "start" "-a" "ede9e84ddc546f814e233bdf28492e03150c046f199b3401d33257338253d732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ede9e84ddc546f814e233bdf28492e03150c046f199b3401d33257338253d732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede9e84ddc546f814e233bdf28492e03150c046f199b3401d33257338253d732", kill_on_drop: false }`
[INFO] [stdout] ede9e84ddc546f814e233bdf28492e03150c046f199b3401d33257338253d732
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5323732d3dc822b68042a7a81956997fb14428c81464e3e76a62edc57e28a566
[INFO] running `Command { std: "docker" "start" "-a" "5323732d3dc822b68042a7a81956997fb14428c81464e3e76a62edc57e28a566", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking fin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut def = match ctx.sym_table[&tp.name] {
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut res = Resolver {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut def = match ctx.sym_table[&func.sig.name] {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/code_gen.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             let mut bb = self.def.add_block();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ast.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct BindDef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindDef` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ptree.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct FuncNode {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemRef` is never constructed
[INFO] [stdout]    --> src/ptree.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ItemRef {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ItemRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut def = match ctx.sym_table[&tp.name] {
[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: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct MemberRef {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 143 |     pub name: Name,
[INFO] [stdout] 144 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemberRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct BindRef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 149 |     pub path: Path,
[INFO] [stdout] 150 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_gen.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |     Context(&'a Context),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 562 |     Context(()),
[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/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut comp = Compiler::new();
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |     comp.compile(io::stdin(), io::stdout()).map_err(|err| {
[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/ctx.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let kind = TypeDefKind::Builtin(BuiltinType::$name);
[INFO] [stdout]    |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |                 let tp = TypeDef { path, span, kind };
[INFO] [stdout]    |                     -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |                     kind: TypeKind::Named { index },
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |         ctx.type_int = define_tp!(ctx, src, Int);
[INFO] [stdout]    |                        ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: this error originates in the macro `define_tp` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ctx.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let kind = TypeDefKind::Builtin(BuiltinType::$name);
[INFO] [stdout]    |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |                 let tp = TypeDef { path, span, kind };
[INFO] [stdout]    |                     -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |                     kind: TypeKind::Named { index },
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |         ctx.type_bool = define_tp!(ctx, src, Bool);
[INFO] [stdout]    |                         -------------------------- in this macro invocation
[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: this error originates in the macro `define_tp` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/llvm.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn new(decl: FuncDecl) -> Self {
[INFO] [stdout]    |                -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 93 |             blocks: Vec::new(),
[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/ast_gen.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |       fn resolve(mut self, func: &FuncNode) -> Result<Body> {
[INFO] [stdout]     |                  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 231 |           let expr = self.resolve_expr(&func.body, &mut syms)?;
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 235 |           Ok(Body {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 236 | |             expr,
[INFO] [stdout] 237 | |             locals: self.locals,
[INFO] [stdout] 238 | |         })
[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]   --> src/code_gen.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let tp = type_name(self.ctx, &var.tp);
[INFO] [stdout]    |                             -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 94 |                         self.def.write(bb, llvm::InstrKind::Alloca { tp })
[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/code_gen.rs:104:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let tp = type_name(self.ctx, &reg.tp);
[INFO] [stdout]     |                             -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 104 |                         self.def.write(bb, llvm::InstrKind::Alloca { tp })
[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/parser.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let body = self.block()?;
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 285 |         Ok(FuncNode { sig, body, span })
[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/parser.rs:548:12
[INFO] [stdout]     |
[INFO] [stdout] 501 |         let kind = match self.next() {
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 502 |             Some(TokenKind::Unary(op)) => {
[INFO] [stdout] 503 |                 let expr = self.factor()?;
[INFO] [stdout]     |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 524 |                 let expr = self.factor()?;
[INFO] [stdout]     |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 530 |                 let cond = self.cond()?;
[INFO] [stdout]     |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 535 |                 let block = self.block()?;
[INFO] [stdout]     |                     ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 548 |         Ok(ExprNode { span, kind })
[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]     |            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/parser.rs:578:12
[INFO] [stdout]     |
[INFO] [stdout] 554 |           let cond = self.block()?;
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 557 |           let succ = self.block()?;
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 558 |
[INFO] [stdout] 559 |           let fail = match self.peek() {
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 578 |           Ok(ExprNode {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 579 | |             span,
[INFO] [stdout] 580 | |             kind: ExprNodeKind::If {
[INFO] [stdout] 581 | |                 cond: Box::new(cond),
[INFO] [stdout] ...   |
[INFO] [stdout] 584 | |             },
[INFO] [stdout] 585 | |         })
[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]     | |_________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] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:158:17
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let mut res = Resolver {
[INFO] [stdout]     |                 ----^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_gen.rs:168:13
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let mut def = match ctx.sym_table[&func.sig.name] {
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 10 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fin` (bin "fin") due to 11 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/code_gen.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |             let mut bb = self.def.add_block();
[INFO] [stdout]    |                 ----^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ast.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub struct BindDef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindDef` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]   --> src/ptree.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct FuncNode {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub span: Span,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncNode` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemRef` is never constructed
[INFO] [stdout]    --> src/ptree.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct ItemRef {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ItemRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct MemberRef {
[INFO] [stdout]     |            --------- field in this struct
[INFO] [stdout] 143 |     pub name: Name,
[INFO] [stdout] 144 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MemberRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> src/ptree.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub struct BindRef {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 149 |     pub path: Path,
[INFO] [stdout] 150 |     pub span: Span,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BindRef` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/ast_gen.rs:562:13
[INFO] [stdout]     |
[INFO] [stdout] 562 |     Context(&'a Context),
[INFO] [stdout]     |     ------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 562 |     Context(()),
[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/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut comp = Compiler::new();
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 24 |     comp.compile(io::stdin(), io::stdout()).map_err(|err| {
[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/ctx.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let kind = TypeDefKind::Builtin(BuiltinType::$name);
[INFO] [stdout]    |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |                 let tp = TypeDef { path, span, kind };
[INFO] [stdout]    |                     -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |                     kind: TypeKind::Named { index },
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |         ctx.type_int = define_tp!(ctx, src, Int);
[INFO] [stdout]    |                        ------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: this error originates in the macro `define_tp` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ctx.rs:39:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 let kind = TypeDefKind::Builtin(BuiltinType::$name);
[INFO] [stdout]    |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 35 |                 let tp = TypeDef { path, span, kind };
[INFO] [stdout]    |                     -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 39 |                     kind: TypeKind::Named { index },
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |         ctx.type_bool = define_tp!(ctx, src, Bool);
[INFO] [stdout]    |                         -------------------------- in this macro invocation
[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: this error originates in the macro `define_tp` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/llvm.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn new(decl: FuncDecl) -> Self {
[INFO] [stdout]    |                -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 93 |             blocks: Vec::new(),
[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/ast_gen.rs:235:12
[INFO] [stdout]     |
[INFO] [stdout] 214 |       fn resolve(mut self, func: &FuncNode) -> Result<Body> {
[INFO] [stdout]     |                  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 231 |           let expr = self.resolve_expr(&func.body, &mut syms)?;
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 235 |           Ok(Body {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 236 | |             expr,
[INFO] [stdout] 237 | |             locals: self.locals,
[INFO] [stdout] 238 | |         })
[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]   --> src/code_gen.rs:94:44
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         let tp = type_name(self.ctx, &var.tp);
[INFO] [stdout]    |                             -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 94 |                         self.def.write(bb, llvm::InstrKind::Alloca { tp })
[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/code_gen.rs:104:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |                         let tp = type_name(self.ctx, &reg.tp);
[INFO] [stdout]     |                             -- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 104 |                         self.def.write(bb, llvm::InstrKind::Alloca { tp })
[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/parser.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let body = self.block()?;
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 285 |         Ok(FuncNode { sig, body, span })
[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/parser.rs:548:12
[INFO] [stdout]     |
[INFO] [stdout] 501 |         let kind = match self.next() {
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 502 |             Some(TokenKind::Unary(op)) => {
[INFO] [stdout] 503 |                 let expr = self.factor()?;
[INFO] [stdout]     |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 524 |                 let expr = self.factor()?;
[INFO] [stdout]     |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 530 |                 let cond = self.cond()?;
[INFO] [stdout]     |                     ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 535 |                 let block = self.block()?;
[INFO] [stdout]     |                     ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 548 |         Ok(ExprNode { span, kind })
[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]     |            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/parser.rs:578:12
[INFO] [stdout]     |
[INFO] [stdout] 554 |           let cond = self.block()?;
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 557 |           let succ = self.block()?;
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 558 |
[INFO] [stdout] 559 |           let fail = match self.peek() {
[INFO] [stdout]     |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 578 |           Ok(ExprNode {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 579 | |             span,
[INFO] [stdout] 580 | |             kind: ExprNodeKind::If {
[INFO] [stdout] 581 | |                 cond: Box::new(cond),
[INFO] [stdout] ...   |
[INFO] [stdout] 584 | |             },
[INFO] [stdout] 585 | |         })
[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]     | |_________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: aborting due to 10 previous errors; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fin` (bin "fin" test) due to 11 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5323732d3dc822b68042a7a81956997fb14428c81464e3e76a62edc57e28a566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5323732d3dc822b68042a7a81956997fb14428c81464e3e76a62edc57e28a566", kill_on_drop: false }`
[INFO] [stdout] 5323732d3dc822b68042a7a81956997fb14428c81464e3e76a62edc57e28a566