[INFO] cloning repository https://github.com/JoshFried/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshFried/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshFried%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshFried%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e3f10f13ace825c1ece3b461c40bafaca4ce433
[INFO] checking JoshFried/rlox against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshFried%2Frlox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JoshFried/rlox
[INFO] finished tweaking git repo https://github.com/JoshFried/rlox
[INFO] tweaked toml for git repo https://github.com/JoshFried/rlox written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JoshFried/rlox on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JoshFried/rlox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e960fb576801b0325ccee73fcca7e4247548ebd70b8b443bf163b51843f6948
[INFO] running `Command { std: "docker" "start" "-a" "1e960fb576801b0325ccee73fcca7e4247548ebd70b8b443bf163b51843f6948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e960fb576801b0325ccee73fcca7e4247548ebd70b8b443bf163b51843f6948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e960fb576801b0325ccee73fcca7e4247548ebd70b8b443bf163b51843f6948", kill_on_drop: false }`
[INFO] [stdout] 1e960fb576801b0325ccee73fcca7e4247548ebd70b8b443bf163b51843f6948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e60732ff1fe51abc7b3e50f660a72b97412c87da1a5bbb52c77304970cc64ec4
[INFO] running `Command { std: "docker" "start" "-a" "e60732ff1fe51abc7b3e50f660a72b97412c87da1a5bbb52c77304970cc64ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/parser/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/scanner/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::str;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parse`
[INFO] [stdout]  --> src/scanner/scanner.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::errors::ErrorType::{Parse, Scanner as ScannerError};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/parser/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/scanner/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use std::str;
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parse`
[INFO] [stdout]  --> src/scanner/scanner.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::errors::ErrorType::{Parse, Scanner as ScannerError};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn error(line: usize, message: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report` is never used
[INFO] [stdout]    --> src/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn report(line: usize, where_err: &str, message: &str) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Interpreter` and `Token` are never constructed
[INFO] [stdout]   --> src/errors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ErrorType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Interpreter(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     #[error("Token error")]
[INFO] [stdout] 15 |     Token(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/expr.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Expr<'expr> {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  6 |     Assign(Assign<'expr>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  7 |     Binary(Binary<'expr>),
[INFO] [stdout]  8 |     Call(Call<'expr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Get(Get<'expr>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Set(Set<'expr>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     Super(Super<'expr>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     This(This<'expr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     Unary(Unary<'expr>),
[INFO] [stdout] 16 |     Variable(Variable<'expr>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `error` is never used
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn error(line: usize, message: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parenthesis` is never read
[INFO] [stdout]   --> src/expr.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Call<'expr> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 34 |     pub callee: Box<Expr<'expr>>,
[INFO] [stdout] 35 |     pub parenthesis: Token<'expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logical` is never constructed
[INFO] [stdout]   --> src/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Logical<'expr> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> src/expr.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Super<'expr> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 71 |     pub keyword: Token<'expr>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Super` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> src/expr.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct This<'expr> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 77 |     pub keyword: Token<'expr>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `This` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `report` is never used
[INFO] [stdout]    --> src/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn report(line: usize, where_err: &str, message: &str) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser/parser.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout]  38 | impl<'parser> Parser<'parser> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     fn synchronize(&self) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `indent_size` is never read
[INFO] [stdout]  --> src/scanner/pretty_printer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PrettyPrinter {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 5 |     inner: String,
[INFO] [stdout] 6 |     indent_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Interpreter` and `Token` are never constructed
[INFO] [stdout]   --> src/errors.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ErrorType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Interpreter(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     #[error("Token error")]
[INFO] [stdout] 15 |     Token(String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ErrorType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]    --> src/scanner/token_type.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub enum Keyword {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 283 |     Bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Keyword` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/expr.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  5 | pub enum Expr<'expr> {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout]  6 |     Assign(Assign<'expr>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  7 |     Binary(Binary<'expr>),
[INFO] [stdout]  8 |     Call(Call<'expr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]  9 |     Get(Get<'expr>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     Set(Set<'expr>),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 13 |     Super(Super<'expr>),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 14 |     This(This<'expr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     Unary(Unary<'expr>),
[INFO] [stdout] 16 |     Variable(Variable<'expr>),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parenthesis` is never read
[INFO] [stdout]   --> src/expr.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Call<'expr> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 34 |     pub callee: Box<Expr<'expr>>,
[INFO] [stdout] 35 |     pub parenthesis: Token<'expr>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Call` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Logical` is never constructed
[INFO] [stdout]   --> src/expr.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct Logical<'expr> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn expression(&self) -> Result<Expr> {
[INFO] [stdout]    |                       ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn expression(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn equality(&self) -> Result<Expr> {
[INFO] [stdout]    |                 ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn equality(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn comparison(&self) -> Result<Expr> {
[INFO] [stdout]    |                   ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn comparison(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn term(&self) -> Result<Expr> {
[INFO] [stdout]    |             ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn term(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn factor(&self) -> Result<Expr> {
[INFO] [stdout]    |               ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn factor(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> src/expr.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub struct Super<'expr> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 71 |     pub keyword: Token<'expr>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Super` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `keyword` is never read
[INFO] [stdout]   --> src/expr.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct This<'expr> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 77 |     pub keyword: Token<'expr>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `This` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `synchronize` is never used
[INFO] [stdout]    --> src/parser/parser.rs:244:8
[INFO] [stdout]     |
[INFO] [stdout]  38 | impl<'parser> Parser<'parser> {
[INFO] [stdout]     | ----------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 244 |     fn synchronize(&self) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `indent_size` is never read
[INFO] [stdout]  --> src/scanner/pretty_printer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PrettyPrinter {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 5 |     inner: String,
[INFO] [stdout] 6 |     indent_size: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Bool` is never constructed
[INFO] [stdout]    --> src/scanner/token_type.rs:283:5
[INFO] [stdout]     |
[INFO] [stdout] 262 | pub enum Keyword {
[INFO] [stdout]     |          ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 283 |     Bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Keyword` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn expression(&self) -> Result<Expr> {
[INFO] [stdout]    |                       ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn expression(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn equality(&self) -> Result<Expr> {
[INFO] [stdout]    |                 ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn equality(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:66:19
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn comparison(&self) -> Result<Expr> {
[INFO] [stdout]    |                   ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn comparison(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn term(&self) -> Result<Expr> {
[INFO] [stdout]    |             ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn term(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/parser.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn factor(&self) -> Result<Expr> {
[INFO] [stdout]    |               ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn factor(&self) -> Result<Expr<'_>> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser/parser.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 self.advance();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let _ = self.advance();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn unary(&self) -> Result<Expr> {
[INFO] [stdout]     |              ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn unary(&self) -> Result<Expr<'_>> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn primary(&self) -> Result<Expr> {
[INFO] [stdout]     |                ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn primary(&self) -> Result<Expr<'_>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn advance(&self) -> Result<Token> {
[INFO] [stdout]     |                ^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn advance(&self) -> Result<Token<'_>> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn peek(&self) -> Token {
[INFO] [stdout]     |             ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn peek(&self) -> Token<'_> {
[INFO] [stdout]     |                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner/scanner.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scan_tokens(&mut self) -> &Vec<Token> {
[INFO] [stdout]    |                        ^^^^^^^^^     ^^^^^^^^^^^
[INFO] [stdout]    |                        |             |    |
[INFO] [stdout]    |                        |             |    the same lifetime is hidden here
[INFO] [stdout]    |                        |             the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scan_tokens(&mut self) -> &Vec<Token<'_>> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parser/parser.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 self.advance();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 let _ = self.advance();
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:128:14
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn unary(&self) -> Result<Expr> {
[INFO] [stdout]     |              ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |              |
[INFO] [stdout]     |              the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn unary(&self) -> Result<Expr<'_>> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn primary(&self) -> Result<Expr> {
[INFO] [stdout]     |                ^^^^^            ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn primary(&self) -> Result<Expr<'_>> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:195:16
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn advance(&self) -> Result<Token> {
[INFO] [stdout]     |                ^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn advance(&self) -> Result<Token<'_>> {
[INFO] [stdout]     |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/parser/parser.rs:216:13
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn peek(&self) -> Token {
[INFO] [stdout]     |             ^^^^^     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 216 |     fn peek(&self) -> Token<'_> {
[INFO] [stdout]     |                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/scanner/scanner.rs:29:24
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scan_tokens(&mut self) -> &Vec<Token> {
[INFO] [stdout]    |                        ^^^^^^^^^     ^^^^^^^^^^^
[INFO] [stdout]    |                        |             |    |
[INFO] [stdout]    |                        |             |    the same lifetime is hidden here
[INFO] [stdout]    |                        |             the same lifetime is elided here
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scan_tokens(&mut self) -> &Vec<Token<'_>> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "e60732ff1fe51abc7b3e50f660a72b97412c87da1a5bbb52c77304970cc64ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60732ff1fe51abc7b3e50f660a72b97412c87da1a5bbb52c77304970cc64ec4", kill_on_drop: false }`
[INFO] [stdout] e60732ff1fe51abc7b3e50f660a72b97412c87da1a5bbb52c77304970cc64ec4
