[INFO] cloning repository https://github.com/pigeonhands/xur [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pigeonhands/xur" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpigeonhands%2Fxur", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpigeonhands%2Fxur'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b5c520795cde8057ed79b13154e970ab8461517 [INFO] checking pigeonhands/xur against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpigeonhands%2Fxur" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pigeonhands/xur on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pigeonhands/xur [INFO] finished tweaking git repo https://github.com/pigeonhands/xur [INFO] tweaked toml for git repo https://github.com/pigeonhands/xur written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pigeonhands/xur already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c33904891058a78337d1f86ee424fc9f4861d98a57b2f533fbc28fe4a8b5991 [INFO] running `Command { std: "docker" "start" "-a" "7c33904891058a78337d1f86ee424fc9f4861d98a57b2f533fbc28fe4a8b5991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c33904891058a78337d1f86ee424fc9f4861d98a57b2f533fbc28fe4a8b5991", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c33904891058a78337d1f86ee424fc9f4861d98a57b2f533fbc28fe4a8b5991", kill_on_drop: false }` [INFO] [stdout] 7c33904891058a78337d1f86ee424fc9f4861d98a57b2f533fbc28fe4a8b5991 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 220f638fe6056c6c6f5249804eb482acbe620a25d68d6713960f98599b3efee9 [INFO] running `Command { std: "docker" "start" "-a" "220f638fe6056c6c6f5249804eb482acbe620a25d68d6713960f98599b3efee9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling serde v1.0.132 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling serde_json v1.0.73 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Checking xur v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::ast::value::Statement::Expr` [INFO] [stdout] --> src/ast/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::ast::value::Statement::Expr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/ast/parser.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenKind` and `Token` [INFO] [stdout] --> src/ast/value.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Range` [INFO] [stdout] --> src/xurvm/var.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{collections::VecDeque, ops::Range}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/var.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/xurvm/vmcore.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/vmcore.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/xurvm/vmcore.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `xurvm::XurVM` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use xurvm::XurVM; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::value::Statement::Expr` [INFO] [stdout] --> src/ast/parser.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::ast::value::Statement::Expr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/ast/parser.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `TokenKind` and `Token` [INFO] [stdout] --> src/ast/value.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::lexer::{Token, TokenKind}; [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::Range` [INFO] [stdout] --> src/xurvm/var.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{collections::VecDeque, ops::Range}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/var.rs:5:14 [INFO] [stdout] | [INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/xurvm/vmcore.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `anyhow` [INFO] [stdout] --> src/xurvm/vmcore.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | use anyhow::{anyhow, bail, Context}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `info` [INFO] [stdout] --> src/xurvm/vmcore.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | use tracing::{debug, info}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `xurvm::XurVM` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use xurvm::XurVM; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/xurvm/vmcore.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 112 | return Ok(Value::Function(fn_ref)); [INFO] [stdout] | ---------------------------------- any code following this expression is unreachable [INFO] [stdout] 113 | / Ok(Value::create_fn( [INFO] [stdout] 114 | | &format!("__sym_bind_@{}", value_1), [INFO] [stdout] 115 | | 1, [INFO] [stdout] 116 | | |env, args| { [INFO] [stdout] ... | [INFO] [stdout] 121 | | }, [INFO] [stdout] 122 | | )) [INFO] [stdout] | |______________^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/xurvm/vmcore.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 112 | return Ok(Value::Function(fn_ref)); [INFO] [stdout] | ---------------------------------- any code following this expression is unreachable [INFO] [stdout] 113 | / Ok(Value::create_fn( [INFO] [stdout] 114 | | &format!("__sym_bind_@{}", value_1), [INFO] [stdout] 115 | | 1, [INFO] [stdout] 116 | | |env, args| { [INFO] [stdout] ... | [INFO] [stdout] 121 | | }, [INFO] [stdout] 122 | | )) [INFO] [stdout] | |______________^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/ast/parser.rs:108:39 [INFO] [stdout] | [INFO] [stdout] 108 | TokenKind::Identifier(id) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/ast/parser.rs:108:39 [INFO] [stdout] | [INFO] [stdout] 108 | TokenKind::Identifier(id) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 138 | Statement::Expr(e) => self.run_expr(e), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 139 | Statement::Empty => Ok(Value::None), [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/xurvm/vmcore.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 138 | Statement::Expr(e) => self.run_expr(e), [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] 139 | Statement::Empty => Ok(Value::None), [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] 140 | x => bail!("Statement {:?} not supported", x), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/xurvm/vmcore.rs:174:21 [INFO] [stdout] | [INFO] [stdout] 174 | let mut fn_value = self.get_value(*callie)?.get_callable()?; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/xurvm/vmcore.rs:174:21 [INFO] [stdout] | [INFO] [stdout] 174 | let mut fn_value = self.get_value(*callie)?.get_callable()?; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Boolean` and `None` are never constructed [INFO] [stdout] --> src/ast/value.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum LiteralValue { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 8 | Boolean(bool), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LiteralValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Plus` and `Dot` are never constructed [INFO] [stdout] --> src/lexer/token.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | Dot, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` 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 `length` is never read [INFO] [stdout] --> src/lexer/token.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 27 | pub kind: TokenKind, [INFO] [stdout] 28 | pub length: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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: methods `nth` and `second` are never used [INFO] [stdout] --> src/lexer/tokenizer.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a> Tokenizer<'a> { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn nth(&self, i: usize) -> char { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn second(&self) -> char { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Boolean` and `None` are never constructed [INFO] [stdout] --> src/ast/value.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum LiteralValue { [INFO] [stdout] | ------------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 8 | Boolean(bool), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 9 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LiteralValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Plus` and `Dot` are never constructed [INFO] [stdout] --> src/lexer/token.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum TokenKind { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 16 | Plus, [INFO] [stdout] | ^^^^ [INFO] [stdout] 17 | Dot, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TokenKind` 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 `length` is never read [INFO] [stdout] --> src/lexer/token.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 27 | pub kind: TokenKind, [INFO] [stdout] 28 | pub length: usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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: methods `nth` and `second` are never used [INFO] [stdout] --> src/lexer/tokenizer.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 55 | impl<'a> Tokenizer<'a> { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 63 | pub fn nth(&self, i: usize) -> char { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn second(&self) -> char { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.79s [INFO] running `Command { std: "docker" "inspect" "220f638fe6056c6c6f5249804eb482acbe620a25d68d6713960f98599b3efee9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "220f638fe6056c6c6f5249804eb482acbe620a25d68d6713960f98599b3efee9", kill_on_drop: false }` [INFO] [stdout] 220f638fe6056c6c6f5249804eb482acbe620a25d68d6713960f98599b3efee9