[INFO] cloning repository https://github.com/rust-analyzer/minirust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-analyzer/minirust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-analyzer%2Fminirust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-analyzer%2Fminirust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38536b72e673dcb2d5696f3aac24a9a6139a2748
[INFO] testing rust-analyzer/minirust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-analyzer%2Fminirust" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-analyzer/minirust 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/rust-analyzer/minirust
[INFO] finished tweaking git repo https://github.com/rust-analyzer/minirust
[INFO] tweaked toml for git repo https://github.com/rust-analyzer/minirust written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-analyzer/minirust 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ungrammar v1.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] fdbe813a392e8432f3112ec6b36b54508cbc339038bcf0816bfa89e183eda32b
[INFO] running `Command { std: "docker" "start" "-a" "fdbe813a392e8432f3112ec6b36b54508cbc339038bcf0816bfa89e183eda32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdbe813a392e8432f3112ec6b36b54508cbc339038bcf0816bfa89e183eda32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbe813a392e8432f3112ec6b36b54508cbc339038bcf0816bfa89e183eda32b", kill_on_drop: false }`
[INFO] [stdout] fdbe813a392e8432f3112ec6b36b54508cbc339038bcf0816bfa89e183eda32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] 34af04144dc40f006da359674a239f71a7895aaee8dfc0fe3be602b1a998b23a
[INFO] running `Command { std: "docker" "start" "-a" "34af04144dc40f006da359674a239f71a7895aaee8dfc0fe3be602b1a998b23a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ungrammar v1.1.4
[INFO] [stderr]    Compiling minirust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_CURLY` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     L_CURLY,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `LCurly`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_CURLY` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     R_CURLY,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RCurly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kw`
[INFO] [stdout]   --> src/parser.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_kw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenKind`
[INFO] [stdout]  --> src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TokenKind {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Token`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/guild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct File;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `strukt`
[INFO] [stdout]  --> src/guild.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn strukt(&mut self) -> Struct { todo!() }
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/guild.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Struct;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `struct_token`
[INFO] [stdout]   --> src/guild.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/guild.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `l_curly_token`
[INFO] [stdout]   --> src/guild.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `field`
[INFO] [stdout]   --> src/guild.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn field(&mut self) -> Field { todo!() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `r_curly_token`
[INFO] [stdout]   --> src/guild.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Field`
[INFO] [stdout]   --> src/guild.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Field;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/guild.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `colon_token`
[INFO] [stdout]   --> src/guild.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ty`
[INFO] [stdout]   --> src/guild.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comma_token`
[INFO] [stdout]   --> src/guild.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file`
[INFO] [stdout]  --> src/parser.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn file(p: &mut Parser, node: &mut File) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `strukt`
[INFO] [stdout]  --> src/parser.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn strukt(p: &mut Parser, strukt: &mut Struct) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field`
[INFO] [stdout]   --> src/parser.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn field(p: &mut Parser, field: &mut Field) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Parser {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_eof`
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn is_eof(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/parser.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/parser.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_keyword`
[INFO] [stdout]   --> src/parser.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect`
[INFO] [stdout]   --> src/parser.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Name`
[INFO] [stdout]  --> src/ast.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Name(u32);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct File {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/ast.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Struct {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Field`
[INFO] [stdout]   --> src/ast.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Field {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]   --> src/bin/gen.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Rule::Labeled { label, rule } => label.clone(),
[INFO] [stdout]    |                                ^^^^ help: try ignoring the field: `rule: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "34af04144dc40f006da359674a239f71a7895aaee8dfc0fe3be602b1a998b23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34af04144dc40f006da359674a239f71a7895aaee8dfc0fe3be602b1a998b23a", kill_on_drop: false }`
[INFO] [stdout] 34af04144dc40f006da359674a239f71a7895aaee8dfc0fe3be602b1a998b23a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d89fb92247e1b35b306c49bcbc07928e1e030de46a054956c3eebf1a39810e8
[INFO] running `Command { std: "docker" "start" "-a" "6d89fb92247e1b35b306c49bcbc07928e1e030de46a054956c3eebf1a39810e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_CURLY` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     L_CURLY,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `LCurly`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_CURLY` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     R_CURLY,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RCurly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kw`
[INFO] [stdout]   --> src/parser.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_kw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenKind`
[INFO] [stdout]  --> src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TokenKind {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Token`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/guild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct File;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `strukt`
[INFO] [stdout]  --> src/guild.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn strukt(&mut self) -> Struct { todo!() }
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/guild.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Struct;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `struct_token`
[INFO] [stdout]   --> src/guild.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/guild.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `l_curly_token`
[INFO] [stdout]   --> src/guild.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `field`
[INFO] [stdout]   --> src/guild.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn field(&mut self) -> Field { todo!() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `r_curly_token`
[INFO] [stdout]   --> src/guild.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Field`
[INFO] [stdout]   --> src/guild.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Field;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/guild.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `colon_token`
[INFO] [stdout]   --> src/guild.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ty`
[INFO] [stdout]   --> src/guild.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comma_token`
[INFO] [stdout]   --> src/guild.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file`
[INFO] [stdout]  --> src/parser.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn file(p: &mut Parser, node: &mut File) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `strukt`
[INFO] [stdout]  --> src/parser.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn strukt(p: &mut Parser, strukt: &mut Struct) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field`
[INFO] [stdout]   --> src/parser.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn field(p: &mut Parser, field: &mut Field) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Parser {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minirust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_eof`
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn is_eof(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/parser.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/parser.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_keyword`
[INFO] [stdout]   --> src/parser.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect`
[INFO] [stdout]   --> src/parser.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Name`
[INFO] [stdout]  --> src/ast.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Name(u32);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct File {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/ast.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Struct {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Field`
[INFO] [stdout]   --> src/ast.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Field {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `L_CURLY` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     L_CURLY,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `LCurly`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `R_CURLY` should have an upper camel case name
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     R_CURLY,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RCurly`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:38:23
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kw`
[INFO] [stdout]   --> src/parser.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_kw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/parser.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private type `Token` in public interface (error E0446)
[INFO] [stdout]   --> src/guild.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `TokenKind`
[INFO] [stdout]  --> src/lib.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum TokenKind {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Token`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Token {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/guild.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct File;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `strukt`
[INFO] [stdout]  --> src/guild.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn strukt(&mut self) -> Struct { todo!() }
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/guild.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Struct;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `struct_token`
[INFO] [stdout]   --> src/guild.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/guild.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `l_curly_token`
[INFO] [stdout]   --> src/guild.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `field`
[INFO] [stdout]   --> src/guild.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn field(&mut self) -> Field { todo!() }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `r_curly_token`
[INFO] [stdout]   --> src/guild.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Field`
[INFO] [stdout]   --> src/guild.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Field;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `name`
[INFO] [stdout]   --> src/guild.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `colon_token`
[INFO] [stdout]   --> src/guild.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ty`
[INFO] [stdout]   --> src/guild.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comma_token`
[INFO] [stdout]   --> src/guild.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file`
[INFO] [stdout]  --> src/parser.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn file(p: &mut Parser, node: &mut File) {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `strukt`
[INFO] [stdout]  --> src/parser.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn strukt(p: &mut Parser, strukt: &mut Struct) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `field`
[INFO] [stdout]   --> src/parser.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn field(p: &mut Parser, field: &mut Field) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Parser {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_eof`
[INFO] [stdout]   --> src/parser.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn is_eof(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/parser.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eat`
[INFO] [stdout]   --> src/parser.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect_keyword`
[INFO] [stdout]   --> src/parser.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `expect`
[INFO] [stdout]   --> src/parser.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Name`
[INFO] [stdout]  --> src/ast.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Name(u32);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `File`
[INFO] [stdout]  --> src/ast.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct File {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Struct`
[INFO] [stdout]  --> src/ast.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Struct {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Field`
[INFO] [stdout]   --> src/ast.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Field {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule`
[INFO] [stdout]   --> src/bin/gen.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |         Rule::Labeled { label, rule } => label.clone(),
[INFO] [stdout]    |                                ^^^^ help: try ignoring the field: `rule: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "6d89fb92247e1b35b306c49bcbc07928e1e030de46a054956c3eebf1a39810e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d89fb92247e1b35b306c49bcbc07928e1e030de46a054956c3eebf1a39810e8", kill_on_drop: false }`
[INFO] [stdout] 6d89fb92247e1b35b306c49bcbc07928e1e030de46a054956c3eebf1a39810e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5d28f88e2b574412a67c58507f6833078137164aae8d2b6eac9807e1576813d
[INFO] running `Command { std: "docker" "start" "-a" "a5d28f88e2b574412a67c58507f6833078137164aae8d2b6eac9807e1576813d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/ast.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `L_CURLY` should have an upper camel case name
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     L_CURLY,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `LCurly`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_CURLY` should have an upper camel case name
[INFO] [stderr]  --> src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     R_CURLY,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RCurly`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind`
[INFO] [stderr]   --> src/parser.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stderr]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind`
[INFO] [stderr]   --> src/parser.rs:38:23
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stderr]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kw`
[INFO] [stderr]   --> src/parser.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stderr]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_kw`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `kind`
[INFO] [stderr]   --> src/parser.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stderr]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: private type `Token` in public interface (error E0446)
[INFO] [stderr]   --> src/guild.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TokenKind`
[INFO] [stderr]  --> src/lib.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum TokenKind {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Token`
[INFO] [stderr]   --> src/lib.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Token {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/guild.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct File;
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `strukt`
[INFO] [stderr]  --> src/guild.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn strukt(&mut self) -> Struct { todo!() }
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct`
[INFO] [stderr]  --> src/guild.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Struct;
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `struct_token`
[INFO] [stderr]   --> src/guild.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn struct_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `name`
[INFO] [stderr]   --> src/guild.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `l_curly_token`
[INFO] [stderr]   --> src/guild.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn l_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `field`
[INFO] [stderr]   --> src/guild.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn field(&mut self) -> Field { todo!() }
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `r_curly_token`
[INFO] [stderr]   --> src/guild.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn r_curly_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Field`
[INFO] [stderr]   --> src/guild.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Field;
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `name`
[INFO] [stderr]   --> src/guild.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn name(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `colon_token`
[INFO] [stderr]   --> src/guild.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn colon_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ty`
[INFO] [stderr]   --> src/guild.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn ty(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `comma_token`
[INFO] [stderr]   --> src/guild.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn comma_token(&mut self, _token: Option<Token>) { todo!() }
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file`
[INFO] [stderr]  --> src/parser.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn file(p: &mut Parser, node: &mut File) {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `strukt`
[INFO] [stderr]  --> src/parser.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn strukt(p: &mut Parser, strukt: &mut Struct) {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `field`
[INFO] [stderr]   --> src/parser.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn field(p: &mut Parser, field: &mut Field) {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/parser.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Parser {}
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_eof`
[INFO] [stderr]   --> src/parser.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn is_eof(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `at`
[INFO] [stderr]   --> src/parser.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn at(&self, kind: TokenKind) -> bool {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `eat`
[INFO] [stderr]   --> src/parser.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn eat(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect_keyword`
[INFO] [stderr]   --> src/parser.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn expect_keyword(&mut self, kw: &str) -> Option<Token> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `expect`
[INFO] [stderr]   --> src/parser.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 |     fn expect(&mut self, kind: TokenKind) -> Option<Token> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Name`
[INFO] [stderr]  --> src/ast.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Name(u32);
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/ast.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct File {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct`
[INFO] [stderr]  --> src/ast.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Struct {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Field`
[INFO] [stderr]   --> src/ast.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Field {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `minirust` (lib) generated 43 warnings
[INFO] [stderr] warning: unused variable: `rule`
[INFO] [stderr]   --> src/bin/gen.rs:40:32
[INFO] [stderr]    |
[INFO] [stderr] 40 |         Rule::Labeled { label, rule } => label.clone(),
[INFO] [stderr]    |                                ^^^^ help: try ignoring the field: `rule: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minirust` (lib test) generated 43 warnings (43 duplicates)
[INFO] [stderr] warning: `minirust` (bin "gen" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minirust-7b8d1158ae3c11cf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gen-09d67a34a4facd4f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minirust
[INFO] [stderr] warning: variant `L_CURLY` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     L_CURLY,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `LCurly`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `R_CURLY` should have an upper camel case name
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     R_CURLY,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case: `RCurly`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5d28f88e2b574412a67c58507f6833078137164aae8d2b6eac9807e1576813d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d28f88e2b574412a67c58507f6833078137164aae8d2b6eac9807e1576813d", kill_on_drop: false }`
[INFO] [stdout] a5d28f88e2b574412a67c58507f6833078137164aae8d2b6eac9807e1576813d