[INFO] cloning repository https://github.com/lions-language/rust-toy-language [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lions-language/rust-toy-language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flions-language%2Frust-toy-language", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flions-language%2Frust-toy-language'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f3ffd2772770c7e1016c86389eb4c45527197d38 [INFO] testing lions-language/rust-toy-language against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flions-language%2Frust-toy-language" "/workspace/builds/worker-112/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-112/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lions-language/rust-toy-language on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lions-language/rust-toy-language [INFO] finished tweaking git repo https://github.com/lions-language/rust-toy-language [INFO] tweaked toml for git repo https://github.com/lions-language/rust-toy-language written to /workspace/builds/worker-112/source/Cargo.toml [INFO] crate git repo https://github.com/lions-language/rust-toy-language already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 037ea630aaeeecc29bf6a8ae954bd1aac03044d162f3e8885f139273c29a9f0c [INFO] running `Command { std: "docker" "start" "-a" "037ea630aaeeecc29bf6a8ae954bd1aac03044d162f3e8885f139273c29a9f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "037ea630aaeeecc29bf6a8ae954bd1aac03044d162f3e8885f139273c29a9f0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "037ea630aaeeecc29bf6a8ae954bd1aac03044d162f3e8885f139273c29a9f0c", kill_on_drop: false }` [INFO] [stdout] 037ea630aaeeecc29bf6a8ae954bd1aac03044d162f3e8885f139273c29a9f0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8ce24ed95db0aa7700a2c12c109970a4bf4026b5bc8af49a8b0f10a04de65fdf [INFO] running `Command { std: "docker" "start" "-a" "8ce24ed95db0aa7700a2c12c109970a4bf4026b5bc8af49a8b0f10a04de65fdf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling utils v0.1.0 (/opt/rustwide/workdir/src/utils) [INFO] [stderr] Compiling lexical v0.1.0 (/opt/rustwide/workdir/src/lexical) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/lexical/src/parser/from_string.rs:86:29 [INFO] [stdout] | [INFO] [stdout] 86 | '0'..='9' | '.' => { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexical/src/parser/from_string.rs:104:33 [INFO] [stdout] | [INFO] [stdout] 104 | ... let mut suffix = self.peeking_take_while(chars, |ch| self.is_char(ch)); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexical/src/parser/from_string.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut s = self.peeking_take_while(chars, |ch| ch != '"'); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Compiling enum-ordinalize v3.1.10 [INFO] [stderr] Compiling educe v0.4.18 [INFO] [stderr] Compiling grammar v0.1.0 (/opt/rustwide/workdir/src/grammar) [INFO] [stdout] warning: unused imports: `Expr`, `SharedCell` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:3:44 [INFO] [stdout] | [INFO] [stdout] 3 | CustomTypeObjectDeclaration, DataType, Expr, ExprNode, FuncCall, FuncType, FunctionDef, Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | IfStatement, ImplStatement, PeriodAccess, ReturnStatement, SharedAstNode, SharedCell, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/grammar/src/parser/scope.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Scope` [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:5:36 [INFO] [stdout] | [INFO] [stdout] 5 | use super::{DataType, FunctionDef, Scope, SharedAstNode, SharedScope, StructDef}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FromString` [INFO] [stdout] --> src/grammar/src/lib.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) use lexical::{FromString, Keyword, LexicalParser, Token, TokenReader, Word}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::borrow::Borrow` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/grammar/src/parser/scope.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `LexicalParser` [INFO] [stdout] --> src/grammar/src/lib.rs:9:47 [INFO] [stdout] | [INFO] [stdout] 9 | pub(crate) use lexical::{FromString, Keyword, LexicalParser, Token, TokenReader, Word}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/grammar/src/parser/mod.rs:585:13 [INFO] [stdout] | [INFO] [stdout] 585 | Lt { left, right } => { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:144:32 [INFO] [stdout] | [INFO] [stdout] 144 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:260:32 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:285:32 [INFO] [stdout] | [INFO] [stdout] 285 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:299:32 [INFO] [stdout] | [INFO] [stdout] 299 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:324:32 [INFO] [stdout] | [INFO] [stdout] 324 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:361:32 [INFO] [stdout] | [INFO] [stdout] 361 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:376:32 [INFO] [stdout] | [INFO] [stdout] 376 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:410:17 [INFO] [stdout] | [INFO] [stdout] 410 | let mut expr = String::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:409:32 [INFO] [stdout] | [INFO] [stdout] 409 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:422:17 [INFO] [stdout] | [INFO] [stdout] 422 | let mut expr = String::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:421:32 [INFO] [stdout] | [INFO] [stdout] 421 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:472:32 [INFO] [stdout] | [INFO] [stdout] 472 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:484:32 [INFO] [stdout] | [INFO] [stdout] 484 | pub fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:519:28 [INFO] [stdout] | [INFO] [stdout] 519 | fn build_format(&self, level: usize, s: &mut String) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `identifier` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:750:17 [INFO] [stdout] | [INFO] [stdout] 750 | identifier, [INFO] [stdout] | ^^^^^^^^^^ help: try ignoring the field: `identifier: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `context` [INFO] [stdout] --> src/grammar/src/parser/mod.rs:752:17 [INFO] [stdout] | [INFO] [stdout] 752 | context, [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `context: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:155:13 [INFO] [stdout] | [INFO] [stdout] 155 | v => Ok(SharedAstNode::new_expr(self.parse_expr()?)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:308:17 [INFO] [stdout] | [INFO] [stdout] 308 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:735:13 [INFO] [stdout] | [INFO] [stdout] 735 | value, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `value: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `other` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | other => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_other` [INFO] [stdout] ... [INFO] [stdout] 789 | unary_prefix_operator!(not, primary, Not); [INFO] [stdout] | ----------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `unary_prefix_operator` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:797:25 [INFO] [stdout] | [INFO] [stdout] 797 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:812:25 [INFO] [stdout] | [INFO] [stdout] 812 | Err(err) => { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_err` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/grammar/src/parser/scope.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | |v| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `func_def` [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | func_def: &FunctionDef, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_def` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `struct_def` [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | struct_def: &StructDef, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_struct_def` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/mod.rs:410:13 [INFO] [stdout] | [INFO] [stdout] 410 | let mut expr = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/mod.rs:422:13 [INFO] [stdout] | [INFO] [stdout] 422 | let mut expr = String::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/mod.rs:567:32 [INFO] [stdout] | [INFO] [stdout] 567 | pub fn build_format(&self, mut level: usize, s: &mut String) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/mod.rs:632:32 [INFO] [stdout] | [INFO] [stdout] 632 | pub fn build_format(&self, mut level: usize, s: &mut String) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/mod.rs:743:32 [INFO] [stdout] | [INFO] [stdout] 743 | pub fn build_format(&self, mut level: usize, s: &mut String) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/parser.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut left_node = self.$next_func_name()?; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 773 | binary_operator!(assignment, eq, Assignment); [INFO] [stdout] | -------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/parser.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut left_node = self.$next_func_name()?; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 778 | binary_operator!(eq, additive, Eq, Neq, Lt, Gt); [INFO] [stdout] | ----------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/parser.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut left_node = self.$next_func_name()?; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 782 | binary_operator!(additive, multiplicative, (Plus, Additive)); [INFO] [stdout] | ------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/grammar/src/parser/parser.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 15 | let mut left_node = self.$next_func_name()?; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 786 | binary_operator!(multiplicative, not, (Mult, Multiplicative)); [INFO] [stdout] | ------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `binary_operator` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `take_nokeyword` [INFO] [stdout] --> src/grammar/src/parser/parser.rs:373:8 [INFO] [stdout] | [INFO] [stdout] 373 | fn take_nokeyword(&mut self) -> GrammarResult { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `ast_node` [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | ast_node: SharedAstNode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Symbol` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/grammar/src/parser/symbol.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Integer` [INFO] [stdout] --> src/grammar/src/parser/typ.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | Integer [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Type` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/grammar/src/parser/typ.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/grammar/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(box_into_inner)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 51 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `grammar` due to 2 previous errors; 51 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8ce24ed95db0aa7700a2c12c109970a4bf4026b5bc8af49a8b0f10a04de65fdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ce24ed95db0aa7700a2c12c109970a4bf4026b5bc8af49a8b0f10a04de65fdf", kill_on_drop: false }` [INFO] [stdout] 8ce24ed95db0aa7700a2c12c109970a4bf4026b5bc8af49a8b0f10a04de65fdf