[INFO] fetching crate tiny-earley 0.2.0... [INFO] checking tiny-earley-0.2.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate tiny-earley 0.2.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate tiny-earley 0.2.0 [INFO] finished tweaking crates.io crate tiny-earley 0.2.0 [INFO] tweaked toml for crates.io crate tiny-earley 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate tiny-earley 0.2.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tiny-earley 0.2.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d64ac237573b8139907851435d0d481d7ee5d022c80a64a920a74adacf95d95e [INFO] running `Command { std: "docker" "start" "-a" "d64ac237573b8139907851435d0d481d7ee5d022c80a64a920a74adacf95d95e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d64ac237573b8139907851435d0d481d7ee5d022c80a64a920a74adacf95d95e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d64ac237573b8139907851435d0d481d7ee5d022c80a64a920a74adacf95d95e", kill_on_drop: false }` [INFO] [stdout] d64ac237573b8139907851435d0d481d7ee5d022c80a64a920a74adacf95d95e [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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6078e8b757bc2b48668c1eb3344162360237772a834721237bc952917087e0e0 [INFO] running `Command { std: "docker" "start" "-a" "6078e8b757bc2b48668c1eb3344162360237772a834721237bc952917087e0e0", kill_on_drop: false }` [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.29 [INFO] [stderr] Checking indexmap v2.9.0 [INFO] [stderr] Compiling syn v2.0.103 [INFO] [stderr] Checking internship v0.6.0 [INFO] [stderr] Checking elsa v1.11.2 [INFO] [stderr] Compiling logos-codegen v0.13.0 [INFO] [stderr] Compiling logos-derive v0.13.0 [INFO] [stderr] Checking logos v0.13.0 [INFO] [stderr] Checking c_lexer_logos v0.1.1 [INFO] [stderr] Checking tiny-earley v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Rule` and `Symbol` [INFO] [stdout] --> load.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::{Rule, Symbol}; [INFO] [stdout] | ^^^^ ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::Grammar` [INFO] [stdout] --> load.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::Grammar; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `calc_recognizer` [INFO] [stdout] --> lib.rs:953:23 [INFO] [stdout] | [INFO] [stdout] 953 | use super::{calc, calc_recognizer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_factor` [INFO] [stdout] --> forest.rs:203:21 [INFO] [stdout] | [INFO] [stdout] 203 | right_factor, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `right_factor: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_factor` [INFO] [stdout] --> forest.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | left_factor, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `left_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_factor` [INFO] [stdout] --> forest.rs:232:21 [INFO] [stdout] | [INFO] [stdout] 232 | left_factor, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `left_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_factor` [INFO] [stdout] --> forest.rs:233:21 [INFO] [stdout] | [INFO] [stdout] 233 | right_factor, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `right_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_factor` [INFO] [stdout] --> forest.rs:237:21 [INFO] [stdout] | [INFO] [stdout] 237 | left_factor, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `left_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_factor` [INFO] [stdout] --> forest.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | right_factor, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `right_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rules` [INFO] [stdout] --> lib.rs:277:17 [INFO] [stdout] | [INFO] [stdout] 277 | let mut rules = self.rules.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> lib.rs:277:13 [INFO] [stdout] | [INFO] [stdout] 277 | let mut rules = self.rules.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rule` [INFO] [stdout] --> lib.rs:644:17 [INFO] [stdout] | [INFO] [stdout] 644 | for (i, rule) in self.tables.rules.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> lib.rs:857:14 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factor` [INFO] [stdout] --> lib.rs:857:19 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_mul` [INFO] [stdout] --> lib.rs:857:27 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_mul` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_div` [INFO] [stdout] --> lib.rs:857:35 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_div` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lparen` [INFO] [stdout] --> lib.rs:857:43 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rparen` [INFO] [stdout] --> lib.rs:857:51 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_minus` [INFO] [stdout] --> lib.rs:857:70 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_minus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_plus` [INFO] [stdout] --> lib.rs:857:80 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_plus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dot` [INFO] [stdout] --> lib.rs:857:113 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dot` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> lib.rs:867:14 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factor` [INFO] [stdout] --> lib.rs:867:19 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_mul` [INFO] [stdout] --> lib.rs:867:27 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_mul` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_div` [INFO] [stdout] --> lib.rs:867:35 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_div` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lparen` [INFO] [stdout] --> lib.rs:867:43 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rparen` [INFO] [stdout] --> lib.rs:867:51 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_minus` [INFO] [stdout] --> lib.rs:867:70 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_minus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_plus` [INFO] [stdout] --> lib.rs:867:80 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_plus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digit` [INFO] [stdout] --> lib.rs:867:106 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_digit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dot` [INFO] [stdout] --> lib.rs:867:113 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dot` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> lib.rs:906:14 [INFO] [stdout] | [INFO] [stdout] 906 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factor` [INFO] [stdout] --> lib.rs:906:19 [INFO] [stdout] | [INFO] [stdout] 906 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `CompletedItem` is more private than the item `forest::Forest::push_summand` [INFO] [stdout] --> forest.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn push_summand(&mut self, item: CompletedItem) -> NodeHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `forest::Forest::push_summand` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `CompletedItem` is only usable at visibility `pub(crate)` [INFO] [stdout] --> lib.rs:172:1 [INFO] [stdout] | [INFO] [stdout] 172 | struct CompletedItem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rhs_nulling` is never read [INFO] [stdout] --> lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Grammar { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 27 | rhs_nulling: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Grammar` has a derived impl for the trait `Clone`, 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: variants `Left`, `Right`, and `Both` are never constructed [INFO] [stdout] --> lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | enum Side { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 32 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 34 | Both, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Side` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rule_id`, `sym`, and `side` are never read [INFO] [stdout] --> lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct NullingEliminated { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 39 | rule_id: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 40 | sym: Symbol, [INFO] [stdout] | ^^^ [INFO] [stdout] 41 | side: Side, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NullingEliminated` 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 `symbol` is never read [INFO] [stdout] --> lib.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 64 | struct PredictionTransition { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 65 | symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PredictionTransition` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EarleySet` is never constructed [INFO] [stdout] --> lib.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 158 | struct EarleySet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> lib.rs:206:8 [INFO] [stdout] | [INFO] [stdout] 205 | impl EarleySet { [INFO] [stdout] | --------------------------------- associated function in this implementation [INFO] [stdout] 206 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `rhs` and `eliminate_nulling` are never used [INFO] [stdout] --> lib.rs:266:8 [INFO] [stdout] | [INFO] [stdout] 214 | impl Grammar { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 266 | fn rhs(&mut self, rhs: [Symbol; N]) -> &mut Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 275 | fn eliminate_nulling(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | fn last(&self) -> EarleySetRef { [INFO] [stdout] | ^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 119 | fn last(&self) -> EarleySetRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | fn next_to_last(&self) -> EarleySetRef { [INFO] [stdout] | ^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 125 | fn next_to_last(&self) -> EarleySetRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | fn last_mut(&mut self) -> EarleySetMut { [INFO] [stdout] | ^^^^^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 132 | fn last_mut(&mut self) -> EarleySetMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:608:13 [INFO] [stdout] | [INFO] [stdout] 608 | / write!( [INFO] [stdout] 609 | | result, [INFO] [stdout] 610 | | "diff {} ::= ", [INFO] [stdout] 611 | | self.tables.symbol_names[self.tables.get_top_lhs(rule_id).usize()] [INFO] [stdout] 612 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 608 | let _ = write!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:614:17 [INFO] [stdout] | [INFO] [stdout] 614 | write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 614 | let _ = write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:616:13 [INFO] [stdout] | [INFO] [stdout] 616 | / write!( [INFO] [stdout] 617 | | result, [INFO] [stdout] 618 | | " {} ", [INFO] [stdout] 619 | | self.tables.symbol_names[self.tables.get_top_rhs0(rule_id).usize()] [INFO] [stdout] 620 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 616 | let _ = write!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:622:17 [INFO] [stdout] | [INFO] [stdout] 622 | write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 622 | let _ = write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:625:17 [INFO] [stdout] | [INFO] [stdout] 625 | write!(result, " {} ", self.tables.symbol_names[rhs1.usize()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 625 | let _ = write!(result, " {} ", self.tables.symbol_names[rhs1.usize()]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:628:17 [INFO] [stdout] | [INFO] [stdout] 628 | write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 628 | let _ = write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:630:13 [INFO] [stdout] | [INFO] [stdout] 630 | writeln!(result, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 630 | let _ = writeln!(result, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:633:13 [INFO] [stdout] | [INFO] [stdout] 633 | writeln!(result, "no diff"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 633 | let _ = writeln!(result, "no diff"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:634:13 [INFO] [stdout] | [INFO] [stdout] 634 | writeln!(result, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 634 | let _ = writeln!(result, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:636:13 [INFO] [stdout] | [INFO] [stdout] 636 | writeln!(result, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 636 | let _ = writeln!(result, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> forest.rs:122:31 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn evaluator(&mut self, eval: T) -> Evaluator { [INFO] [stdout] | ^^^^^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 122 | pub fn evaluator(&mut self, eval: T) -> Evaluator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_factor` [INFO] [stdout] --> forest.rs:203:21 [INFO] [stdout] | [INFO] [stdout] 203 | right_factor, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `right_factor: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_factor` [INFO] [stdout] --> forest.rs:217:21 [INFO] [stdout] | [INFO] [stdout] 217 | left_factor, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `left_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_factor` [INFO] [stdout] --> forest.rs:232:21 [INFO] [stdout] | [INFO] [stdout] 232 | left_factor, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `left_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_factor` [INFO] [stdout] --> forest.rs:233:21 [INFO] [stdout] | [INFO] [stdout] 233 | right_factor, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `right_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left_factor` [INFO] [stdout] --> forest.rs:237:21 [INFO] [stdout] | [INFO] [stdout] 237 | left_factor, [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `left_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right_factor` [INFO] [stdout] --> forest.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | right_factor, [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `right_factor: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> load.rs:37:10 [INFO] [stdout] | [INFO] [stdout] 37 | let [start, a, b, c, d] = grammar.symbols(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> load.rs:37:17 [INFO] [stdout] | [INFO] [stdout] 37 | let [start, a, b, c, d] = grammar.symbols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> load.rs:37:20 [INFO] [stdout] | [INFO] [stdout] 37 | let [start, a, b, c, d] = grammar.symbols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> load.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | let [start, a, b, c, d] = grammar.symbols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> load.rs:37:26 [INFO] [stdout] | [INFO] [stdout] 37 | let [start, a, b, c, d] = grammar.symbols(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rules` [INFO] [stdout] --> lib.rs:277:17 [INFO] [stdout] | [INFO] [stdout] 277 | let mut rules = self.rules.clone(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> lib.rs:277:13 [INFO] [stdout] | [INFO] [stdout] 277 | let mut rules = self.rules.clone(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rule` [INFO] [stdout] --> lib.rs:644:17 [INFO] [stdout] | [INFO] [stdout] 644 | for (i, rule) in self.tables.rules.iter().enumerate() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rule` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> lib.rs:857:14 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factor` [INFO] [stdout] --> lib.rs:857:19 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_mul` [INFO] [stdout] --> lib.rs:857:27 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_mul` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_div` [INFO] [stdout] --> lib.rs:857:35 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_div` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lparen` [INFO] [stdout] --> lib.rs:857:43 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rparen` [INFO] [stdout] --> lib.rs:857:51 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_minus` [INFO] [stdout] --> lib.rs:857:70 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_minus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_plus` [INFO] [stdout] --> lib.rs:857:80 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_plus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dot` [INFO] [stdout] --> lib.rs:857:113 [INFO] [stdout] | [INFO] [stdout] 857 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dot` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> lib.rs:867:14 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factor` [INFO] [stdout] --> lib.rs:867:19 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_mul` [INFO] [stdout] --> lib.rs:867:27 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_mul` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_div` [INFO] [stdout] --> lib.rs:867:35 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_div` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lparen` [INFO] [stdout] --> lib.rs:867:43 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rparen` [INFO] [stdout] --> lib.rs:867:51 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_rparen` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_minus` [INFO] [stdout] --> lib.rs:867:70 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_minus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op_plus` [INFO] [stdout] --> lib.rs:867:80 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_plus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digit` [INFO] [stdout] --> lib.rs:867:106 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_digit` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dot` [INFO] [stdout] --> lib.rs:867:113 [INFO] [stdout] | [INFO] [stdout] 867 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dot` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sum` [INFO] [stdout] --> lib.rs:906:14 [INFO] [stdout] | [INFO] [stdout] 906 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sum` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `factor` [INFO] [stdout] --> lib.rs:906:19 [INFO] [stdout] | [INFO] [stdout] 906 | let [sum, factor, op_mul, op_div, lparen, rparen, _expr_sym, op_minus, op_plus, _number, _whole, digit, dot] = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `CompletedItem` is more private than the item `forest::Forest::push_summand` [INFO] [stdout] --> forest.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn push_summand(&mut self, item: CompletedItem) -> NodeHandle { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `forest::Forest::push_summand` is reachable at visibility `pub` [INFO] [stdout] | [INFO] [stdout] note: but type `CompletedItem` is only usable at visibility `pub(crate)` [INFO] [stdout] --> lib.rs:172:1 [INFO] [stdout] | [INFO] [stdout] 172 | struct CompletedItem { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `rhs_nulling` is never read [INFO] [stdout] --> lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Grammar { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 27 | rhs_nulling: Vec, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Grammar` has a derived impl for the trait `Clone`, 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: variants `Left`, `Right`, and `Both` are never constructed [INFO] [stdout] --> lib.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | enum Side { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 32 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] 33 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 34 | Both, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Side` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `rule_id`, `sym`, and `side` are never read [INFO] [stdout] --> lib.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct NullingEliminated { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 39 | rule_id: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 40 | sym: Symbol, [INFO] [stdout] | ^^^ [INFO] [stdout] 41 | side: Side, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NullingEliminated` 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 `symbol` is never read [INFO] [stdout] --> lib.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 64 | struct PredictionTransition { [INFO] [stdout] | -------------------- field in this struct [INFO] [stdout] 65 | symbol: Symbol, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PredictionTransition` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EarleySet` is never constructed [INFO] [stdout] --> lib.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 158 | struct EarleySet { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> lib.rs:206:8 [INFO] [stdout] | [INFO] [stdout] 205 | impl EarleySet { [INFO] [stdout] | --------------------------------- associated function in this implementation [INFO] [stdout] 206 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `rhs` and `eliminate_nulling` are never used [INFO] [stdout] --> lib.rs:266:8 [INFO] [stdout] | [INFO] [stdout] 214 | impl Grammar { [INFO] [stdout] | ------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 266 | fn rhs(&mut self, rhs: [Symbol; N]) -> &mut Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 275 | fn eliminate_nulling(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:119:13 [INFO] [stdout] | [INFO] [stdout] 119 | fn last(&self) -> EarleySetRef { [INFO] [stdout] | ^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 119 | fn last(&self) -> EarleySetRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | fn next_to_last(&self) -> EarleySetRef { [INFO] [stdout] | ^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 125 | fn next_to_last(&self) -> EarleySetRef<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | fn last_mut(&mut self) -> EarleySetMut { [INFO] [stdout] | ^^^^^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 132 | fn last_mut(&mut self) -> EarleySetMut<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:608:13 [INFO] [stdout] | [INFO] [stdout] 608 | / write!( [INFO] [stdout] 609 | | result, [INFO] [stdout] 610 | | "diff {} ::= ", [INFO] [stdout] 611 | | self.tables.symbol_names[self.tables.get_top_lhs(rule_id).usize()] [INFO] [stdout] 612 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 608 | let _ = write!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:614:17 [INFO] [stdout] | [INFO] [stdout] 614 | write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 614 | let _ = write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:616:13 [INFO] [stdout] | [INFO] [stdout] 616 | / write!( [INFO] [stdout] 617 | | result, [INFO] [stdout] 618 | | " {} ", [INFO] [stdout] 619 | | self.tables.symbol_names[self.tables.get_top_rhs0(rule_id).usize()] [INFO] [stdout] 620 | | ); [INFO] [stdout] | |_____________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 616 | let _ = write!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:622:17 [INFO] [stdout] | [INFO] [stdout] 622 | write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 622 | let _ = write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:625:17 [INFO] [stdout] | [INFO] [stdout] 625 | write!(result, " {} ", self.tables.symbol_names[rhs1.usize()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 625 | let _ = write!(result, " {} ", self.tables.symbol_names[rhs1.usize()]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:628:17 [INFO] [stdout] | [INFO] [stdout] 628 | write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 628 | let _ = write!(result, "{:?}=>{:?}", a, b); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:630:13 [INFO] [stdout] | [INFO] [stdout] 630 | writeln!(result, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 630 | let _ = writeln!(result, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:633:13 [INFO] [stdout] | [INFO] [stdout] 633 | writeln!(result, "no diff"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 633 | let _ = writeln!(result, "no diff"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:634:13 [INFO] [stdout] | [INFO] [stdout] 634 | writeln!(result, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 634 | let _ = writeln!(result, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> lib.rs:636:13 [INFO] [stdout] | [INFO] [stdout] 636 | writeln!(result, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 636 | let _ = writeln!(result, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> forest.rs:122:31 [INFO] [stdout] | [INFO] [stdout] 122 | pub fn evaluator(&mut self, eval: T) -> Evaluator { [INFO] [stdout] | ^^^^^^^^^ ------------ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 122 | pub fn evaluator(&mut self, eval: T) -> Evaluator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.92s [INFO] running `Command { std: "docker" "inspect" "6078e8b757bc2b48668c1eb3344162360237772a834721237bc952917087e0e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6078e8b757bc2b48668c1eb3344162360237772a834721237bc952917087e0e0", kill_on_drop: false }` [INFO] [stdout] 6078e8b757bc2b48668c1eb3344162360237772a834721237bc952917087e0e0