[INFO] cloning repository https://github.com/jaynagpaul/nov
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynagpaul%2Fnov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ba37c4805483abbac48747136a3bbe51e770473
[INFO] checking jaynagpaul/nov against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynagpaul%2Fnov" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaynagpaul/nov on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaynagpaul/nov
[INFO] finished tweaking git repo https://github.com/jaynagpaul/nov
[INFO] tweaked toml for git repo https://github.com/jaynagpaul/nov written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jaynagpaul/nov 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded expect-test v1.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41989c949bdde429c0fc445bf3dc3b7e6389c43ad178c5d7fea125190f26e609
[INFO] running `Command { std: "docker" "start" "-a" "41989c949bdde429c0fc445bf3dc3b7e6389c43ad178c5d7fea125190f26e609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41989c949bdde429c0fc445bf3dc3b7e6389c43ad178c5d7fea125190f26e609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41989c949bdde429c0fc445bf3dc3b7e6389c43ad178c5d7fea125190f26e609", kill_on_drop: false }`
[INFO] [stdout] 41989c949bdde429c0fc445bf3dc3b7e6389c43ad178c5d7fea125190f26e609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef65b97e230ae283ae5f611d99226e8eb6e8129cd927584ebdb304b5ebb019f6
[INFO] running `Command { std: "docker" "start" "-a" "ef65b97e230ae283ae5f611d99226e8eb6e8129cd927584ebdb304b5ebb019f6", kill_on_drop: false }`
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking expect-test v1.4.1
[INFO] [stderr]     Checking nov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `parser::decl::fn_decl` and `tokenize`
[INFO] [stdout]  --> src/parser/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{parser::decl::fn_decl, tokenize, TokenKind};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `atom_exprs`, and `expr`
[INFO] [stdout]   --> src/parser/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     expr::{atom_exprs, expr, Expr},
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::program`
[INFO] [stdout]   --> src/parser/stmt.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use crate::parser::program;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `atom_exprs`
[INFO] [stdout]   --> src/parser/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     expr::{atom_exprs, expr, Expr},
[INFO] [stdout]    |            ^^^^^^^^^^        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errs`
[INFO] [stdout]   --> src/parser/stmt.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (tokens, errs) = tokenize(content);
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_errs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BinOpExpr` is more private than the item `Expr::BinaryOp::0`
[INFO] [stdout]    --> src/parser/expr.rs:22:14
[INFO] [stdout]     |
[INFO] [stdout] 22  |     BinaryOp(BinOpExpr),
[INFO] [stdout]     |              ^^^^^^^^^ field `Expr::BinaryOp::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BinOpExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parser/expr.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnexpectedToken`, `MissingExpr`, and `UnexpectedEof` are never constructed
[INFO] [stdout]   --> src/parser/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 16 |     UnexpectedToken { actual: TokenKind },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     MissingExpr,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     UnexpectedEof,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unexpected_token` is never used
[INFO] [stdout]   --> src/parser/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn unexpected_token<R>(actual: &TokenKind) -> Result<R> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/parser/mod.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `program` is never used
[INFO] [stdout]   --> src/parser/mod.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn program(s: &mut Scanner) -> Result<Program> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Decl` is never used
[INFO] [stdout]   --> src/parser/decl.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Decl {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decl` is never used
[INFO] [stdout]   --> src/parser/decl.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn decl(s: &mut Scanner) -> Result<Decl> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnDecl` is never constructed
[INFO] [stdout]   --> src/parser/decl.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FnDecl {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_decl` is never used
[INFO] [stdout]   --> src/parser/decl.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn fn_decl(s: &mut Scanner) -> Result<FnDecl> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/parser/decl.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `block` is never used
[INFO] [stdout]   --> src/parser/decl.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn block(s: &mut Scanner) -> Result<Block> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atom_exprs` is never used
[INFO] [stdout]  --> src/parser/expr.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn atom_exprs(s: &mut Scanner) -> Result<Vec<Expr>> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/parser/expr.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Expr {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr` is never used
[INFO] [stdout]   --> src/parser/expr.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn expr(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_bp` is never used
[INFO] [stdout]   --> src/parser/expr.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn expr_bp(s: &mut Scanner, min_bp: u8) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atom_expr` is never used
[INFO] [stdout]   --> src/parser/expr.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn atom_expr(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnCall` is never constructed
[INFO] [stdout]   --> src/parser/expr.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct FnCall {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `paren_fn_call` is never used
[INFO] [stdout]   --> src/parser/expr.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn paren_fn_call(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_lit` is never used
[INFO] [stdout]   --> src/parser/expr.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn string_lit(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_lit` is never used
[INFO] [stdout]   --> src/parser/expr.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn int_lit(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinOpExpr` is never constructed
[INFO] [stdout]    --> src/parser/expr.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinOp` is never used
[INFO] [stdout]    --> src/parser/expr.rs:113:6
[INFO] [stdout]     |
[INFO] [stdout] 113 | enum BinOp {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_token_kind` and `infix_binding_power` are never used
[INFO] [stdout]    --> src/parser/expr.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl BinOp {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 121 |     pub fn from_token_kind(kind: &TokenKind) -> Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn infix_binding_power(&self) -> (u8, u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/parser/scanner.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Scanner {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/parser/scanner.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Scanner {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn attempt<R>(&mut self, closure: impl Fn(&mut Scanner) -> Result<R>) -> Result<R> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn attempt_all<R, F>(&mut self, closures: &[F]) -> Result<R>
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn skip_newlines(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn peek(&self) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn advance(&mut self) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn advance_if(&mut self, closure: impl FnOnce(&Token) -> Result<()>) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn match_kind(&mut self, expected: &TokenKind) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Stmt` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Stmt {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stmt` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn stmt(s: &mut Scanner) -> Result<Stmt> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naked_fn_call` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn naked_fn_call(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetStmt` is never constructed
[INFO] [stdout]   --> src/parser/stmt.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct LetStmt {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LetStmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `let_stmt` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn let_stmt(s: &mut Scanner) -> Result<LetStmt> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Error {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 53 |     kind: ErrorKind,
[INFO] [stdout] 54 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at_end` is never used
[INFO] [stdout]    --> src/token.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 75  | impl Tokenizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BinOpExpr` is more private than the item `Expr::BinaryOp::0`
[INFO] [stdout]    --> src/parser/expr.rs:22:14
[INFO] [stdout]     |
[INFO] [stdout] 22  |     BinaryOp(BinOpExpr),
[INFO] [stdout]     |              ^^^^^^^^^ field `Expr::BinaryOp::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BinOpExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parser/expr.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decls` is never read
[INFO] [stdout]   --> src/parser/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Program {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 52 |     pub decls: Vec<Decl>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/decl.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Fn(FnDecl),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 11 |     Fn(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]   --> src/parser/decl.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FnDecl {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub block: Block,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]   --> src/parser/decl.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 50 |     pub stmts: Vec<Stmt>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     BinaryOp(BinOpExpr),
[INFO] [stdout]    |     -------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 22 |     BinaryOp(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     FnCall(FnCall),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 23 |     FnCall(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     StringLit(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 24 |     StringLit(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     IntLit(i64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 25 |     IntLit(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `args` are never read
[INFO] [stdout]   --> src/parser/expr.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct FnCall {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 76 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |     pub args: Vec<Expr>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left`, `op`, and `right` are never read
[INFO] [stdout]    --> src/parser/expr.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 107 |     left: Box<Expr>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 108 |     op: BinOp,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 109 |     right: Box<Expr>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BinOpExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/stmt.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Expr(Expr),
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 12 |     Expr(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/stmt.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Let(LetStmt),
[INFO] [stdout]    |     --- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 13 |     Let(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `var_name` and `rhs` are never read
[INFO] [stdout]   --> src/parser/stmt.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct LetStmt {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 40 |     var_name: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 41 |     rhs: Expr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LetStmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Error {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 53 |     kind: ErrorKind,
[INFO] [stdout] 54 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at_end` is never used
[INFO] [stdout]    --> src/token.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 75  | impl Tokenizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn at_end(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "ef65b97e230ae283ae5f611d99226e8eb6e8129cd927584ebdb304b5ebb019f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef65b97e230ae283ae5f611d99226e8eb6e8129cd927584ebdb304b5ebb019f6", kill_on_drop: false }`
[INFO] [stdout] ef65b97e230ae283ae5f611d99226e8eb6e8129cd927584ebdb304b5ebb019f6
[INFO] checking jaynagpaul/nov against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynagpaul%2Fnov" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaynagpaul/nov on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaynagpaul/nov
[INFO] finished tweaking git repo https://github.com/jaynagpaul/nov
[INFO] tweaked toml for git repo https://github.com/jaynagpaul/nov written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jaynagpaul/nov 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55a8ff89334386cc0f61b52f3bff8b7e0967e2b6ab41d399fd51dd713f806433
[INFO] running `Command { std: "docker" "start" "-a" "55a8ff89334386cc0f61b52f3bff8b7e0967e2b6ab41d399fd51dd713f806433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55a8ff89334386cc0f61b52f3bff8b7e0967e2b6ab41d399fd51dd713f806433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a8ff89334386cc0f61b52f3bff8b7e0967e2b6ab41d399fd51dd713f806433", kill_on_drop: false }`
[INFO] [stdout] 55a8ff89334386cc0f61b52f3bff8b7e0967e2b6ab41d399fd51dd713f806433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f88d539cfc8059cdf04eae2cbe530ed0a1e34caaf78c6044e1947f55955db034
[INFO] running `Command { std: "docker" "start" "-a" "f88d539cfc8059cdf04eae2cbe530ed0a1e34caaf78c6044e1947f55955db034", kill_on_drop: false }`
[INFO] [stderr]     Checking dissimilar v1.0.7
[INFO] [stderr]     Checking expect-test v1.4.1
[INFO] [stderr]     Checking nov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `parser::decl::fn_decl` and `tokenize`
[INFO] [stdout]  --> src/parser/mod.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{parser::decl::fn_decl, tokenize, TokenKind};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr`, `atom_exprs`, and `expr`
[INFO] [stdout]   --> src/parser/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     expr::{atom_exprs, expr, Expr},
[INFO] [stdout]    |            ^^^^^^^^^^  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::program`
[INFO] [stdout]   --> src/parser/stmt.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use crate::parser::program;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Expr` and `atom_exprs`
[INFO] [stdout]   --> src/parser/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     expr::{atom_exprs, expr, Expr},
[INFO] [stdout]    |            ^^^^^^^^^^        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errs`
[INFO] [stdout]   --> src/parser/stmt.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (tokens, errs) = tokenize(content);
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_errs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BinOpExpr` is more private than the item `Expr::BinaryOp::0`
[INFO] [stdout]    --> src/parser/expr.rs:22:14
[INFO] [stdout]     |
[INFO] [stdout] 22  |     BinaryOp(BinOpExpr),
[INFO] [stdout]     |              ^^^^^^^^^ field `Expr::BinaryOp::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BinOpExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parser/expr.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `UnexpectedToken`, `MissingExpr`, and `UnexpectedEof` are never constructed
[INFO] [stdout]   --> src/parser/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 16 |     UnexpectedToken { actual: TokenKind },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     MissingExpr,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |
[INFO] [stdout] 20 |     UnexpectedEof,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unexpected_token` is never used
[INFO] [stdout]   --> src/parser/mod.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Error {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn unexpected_token<R>(actual: &TokenKind) -> Result<R> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Result` is never used
[INFO] [stdout]   --> src/parser/mod.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub type Result<T> = std::result::Result<T, Error>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `program` is never used
[INFO] [stdout]   --> src/parser/mod.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn program(s: &mut Scanner) -> Result<Program> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Decl` is never used
[INFO] [stdout]   --> src/parser/decl.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Decl {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decl` is never used
[INFO] [stdout]   --> src/parser/decl.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn decl(s: &mut Scanner) -> Result<Decl> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnDecl` is never constructed
[INFO] [stdout]   --> src/parser/decl.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FnDecl {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_decl` is never used
[INFO] [stdout]   --> src/parser/decl.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn fn_decl(s: &mut Scanner) -> Result<FnDecl> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Block` is never constructed
[INFO] [stdout]   --> src/parser/decl.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Block {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `block` is never used
[INFO] [stdout]   --> src/parser/decl.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn block(s: &mut Scanner) -> Result<Block> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atom_exprs` is never used
[INFO] [stdout]  --> src/parser/expr.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn atom_exprs(s: &mut Scanner) -> Result<Vec<Expr>> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/parser/expr.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Expr {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr` is never used
[INFO] [stdout]   --> src/parser/expr.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn expr(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expr_bp` is never used
[INFO] [stdout]   --> src/parser/expr.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn expr_bp(s: &mut Scanner, min_bp: u8) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atom_expr` is never used
[INFO] [stdout]   --> src/parser/expr.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn atom_expr(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FnCall` is never constructed
[INFO] [stdout]   --> src/parser/expr.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct FnCall {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `paren_fn_call` is never used
[INFO] [stdout]   --> src/parser/expr.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn paren_fn_call(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `string_lit` is never used
[INFO] [stdout]   --> src/parser/expr.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn string_lit(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `int_lit` is never used
[INFO] [stdout]   --> src/parser/expr.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn int_lit(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinOpExpr` is never constructed
[INFO] [stdout]    --> src/parser/expr.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BinOp` is never used
[INFO] [stdout]    --> src/parser/expr.rs:113:6
[INFO] [stdout]     |
[INFO] [stdout] 113 | enum BinOp {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_token_kind` and `infix_binding_power` are never used
[INFO] [stdout]    --> src/parser/expr.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl BinOp {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 121 |     pub fn from_token_kind(kind: &TokenKind) -> Result<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     pub fn infix_binding_power(&self) -> (u8, u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scanner` is never constructed
[INFO] [stdout]  --> src/parser/scanner.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Scanner {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/parser/scanner.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Scanner {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(tokens: Vec<Token>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn attempt<R>(&mut self, closure: impl Fn(&mut Scanner) -> Result<R>) -> Result<R> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn attempt_all<R, F>(&mut self, closures: &[F]) -> Result<R>
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn skip_newlines(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn peek(&self) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn advance(&mut self) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn advance_if(&mut self, closure: impl FnOnce(&Token) -> Result<()>) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub fn match_kind(&mut self, expected: &TokenKind) -> Result<&Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Stmt` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Stmt {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stmt` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn stmt(s: &mut Scanner) -> Result<Stmt> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naked_fn_call` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn naked_fn_call(s: &mut Scanner) -> Result<Expr> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LetStmt` is never constructed
[INFO] [stdout]   --> src/parser/stmt.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct LetStmt {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LetStmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `let_stmt` is never used
[INFO] [stdout]   --> src/parser/stmt.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn let_stmt(s: &mut Scanner) -> Result<LetStmt> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Error {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 53 |     kind: ErrorKind,
[INFO] [stdout] 54 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at_end` is never used
[INFO] [stdout]    --> src/token.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 75  | impl Tokenizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn at_end(&self) -> bool {
[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/parser/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut decls = Vec::new();
[INFO] [stdout]    |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 62 |     Ok(Program { decls })
[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/parser/decl.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     s.attempt(|s| fn_decl(s).map(Decl::Fn))
[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/decl.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let block = block(s)?;
[INFO] [stdout]    |         ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 43 |
[INFO] [stdout] 44 |     Ok(FnDecl { name, block })
[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/decl.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut stmts = Vec::new();
[INFO] [stdout]    |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 67 |     Ok(Block { stmts })
[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/scanner.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn attempt<R>(&mut self, closure: impl Fn(&mut Scanner) -> Result<R>) -> Result<R> {
[INFO] [stdout]    |                                  ------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 15 |         let old_pos = self.pos;
[INFO] [stdout] 16 |         match closure(self) {
[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/stmt.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let naked_fn_call = |s: &mut Scanner| Ok(Stmt::Expr(naked_fn_call(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]   --> src/parser/stmt.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let expr_stmt = |s: &mut Scanner| Ok(Stmt::Expr(expr(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]   --> src/parser/stmt.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let let_stmt = |s: &mut Scanner| Ok(Stmt::Let(let_stmt(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]   --> src/parser/stmt.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let args = atom_exprs(s)?;
[INFO] [stdout]    |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |
[INFO] [stdout] 34 |     Ok(Expr::FnCall(FnCall { name, args }))
[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/stmt.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let rhs = s.attempt_all(&rhs_options)?;
[INFO] [stdout]    |         --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |
[INFO] [stdout] 57 |     Ok(LetStmt { var_name, rhs })
[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: aborting due to 10 previous errors; 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `BinOpExpr` is more private than the item `Expr::BinaryOp::0`
[INFO] [stdout]    --> src/parser/expr.rs:22:14
[INFO] [stdout]     |
[INFO] [stdout] 22  |     BinaryOp(BinOpExpr),
[INFO] [stdout]     |              ^^^^^^^^^ field `Expr::BinaryOp::0` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `BinOpExpr` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/parser/expr.rs:106:1
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `decls` is never read
[INFO] [stdout]   --> src/parser/mod.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub struct Program {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 52 |     pub decls: Vec<Decl>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Program` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/decl.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Fn(FnDecl),
[INFO] [stdout]    |     -- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 11 |     Fn(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block` is never read
[INFO] [stdout]   --> src/parser/decl.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct FnDecl {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub block: Block,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmts` is never read
[INFO] [stdout]   --> src/parser/decl.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 50 |     pub stmts: Vec<Stmt>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 |     BinaryOp(BinOpExpr),
[INFO] [stdout]    |     -------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 22 |     BinaryOp(()),
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     FnCall(FnCall),
[INFO] [stdout]    |     ------ ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 23 |     FnCall(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |     StringLit(String),
[INFO] [stdout]    |     --------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 24 |     StringLit(()),
[INFO] [stdout]    |               ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/expr.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     IntLit(i64),
[INFO] [stdout]    |     ------ ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 25 |     IntLit(()),
[INFO] [stdout]    |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `args` are never read
[INFO] [stdout]   --> src/parser/expr.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub struct FnCall {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 76 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |     pub args: Vec<Expr>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FnCall` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `left`, `op`, and `right` are never read
[INFO] [stdout]    --> src/parser/expr.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 106 | struct BinOpExpr {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 107 |     left: Box<Expr>,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 108 |     op: BinOp,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 109 |     right: Box<Expr>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BinOpExpr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/stmt.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Expr(Expr),
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 12 |     Expr(()),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parser/stmt.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Let(LetStmt),
[INFO] [stdout]    |     --- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 13 |     Let(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `var_name` and `rhs` are never read
[INFO] [stdout]   --> src/parser/stmt.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct LetStmt {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 40 |     var_name: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 41 |     rhs: Expr,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LetStmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Token {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `loc` is never read
[INFO] [stdout]   --> src/token.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct Error {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 53 |     kind: ErrorKind,
[INFO] [stdout] 54 |     loc: Loc,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `at_end` is never used
[INFO] [stdout]    --> src/token.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 75  | impl Tokenizer {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn at_end(&self) -> bool {
[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/parser/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut decls = Vec::new();
[INFO] [stdout]    |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 62 |     Ok(Program { decls })
[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/parser/decl.rs:14:19
[INFO] [stdout]    |
[INFO] [stdout] 14 |     s.attempt(|s| fn_decl(s).map(Decl::Fn))
[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/decl.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let block = block(s)?;
[INFO] [stdout]    |         ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 43 |
[INFO] [stdout] 44 |     Ok(FnDecl { name, block })
[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/decl.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut stmts = Vec::new();
[INFO] [stdout]    |             ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 67 |     Ok(Block { stmts })
[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/scanner.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn attempt<R>(&mut self, closure: impl Fn(&mut Scanner) -> Result<R>) -> Result<R> {
[INFO] [stdout]    |                                  ------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 15 |         let old_pos = self.pos;
[INFO] [stdout] 16 |         match closure(self) {
[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/stmt.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let naked_fn_call = |s: &mut Scanner| Ok(Stmt::Expr(naked_fn_call(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]   --> src/parser/stmt.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let expr_stmt = |s: &mut Scanner| Ok(Stmt::Expr(expr(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]   --> src/parser/stmt.rs:19:41
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let let_stmt = |s: &mut Scanner| Ok(Stmt::Let(let_stmt(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]   --> src/parser/stmt.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let args = atom_exprs(s)?;
[INFO] [stdout]    |         ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 33 |
[INFO] [stdout] 34 |     Ok(Expr::FnCall(FnCall { name, args }))
[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/stmt.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let rhs = s.attempt_all(&rhs_options)?;
[INFO] [stdout]    |         --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |
[INFO] [stdout] 57 |     Ok(LetStmt { var_name, rhs })
[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] [stderr] error: could not compile `nov` (bin "nov") due to 11 previous errors; 36 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 10 previous errors; 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nov` (bin "nov" test) due to 11 previous errors; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "f88d539cfc8059cdf04eae2cbe530ed0a1e34caaf78c6044e1947f55955db034", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88d539cfc8059cdf04eae2cbe530ed0a1e34caaf78c6044e1947f55955db034", kill_on_drop: false }`
[INFO] [stdout] f88d539cfc8059cdf04eae2cbe530ed0a1e34caaf78c6044e1947f55955db034