[INFO] cloning repository https://github.com/zcfabra/c-compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcfabra/c-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Fc-compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Fc-compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d32913d2c915602e6f2be42b2fc324adf781d2a1 [INFO] building zcfabra/c-compiler against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Fc-compiler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zcfabra/c-compiler on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zcfabra/c-compiler [INFO] finished tweaking git repo https://github.com/zcfabra/c-compiler [INFO] tweaked toml for git repo https://github.com/zcfabra/c-compiler written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zcfabra/c-compiler 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3d58e52126a65a9f42a9ffff13f956eb136845b5d9059c1944187b1a81b25154 [INFO] running `Command { std: "docker" "start" "-a" "3d58e52126a65a9f42a9ffff13f956eb136845b5d9059c1944187b1a81b25154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3d58e52126a65a9f42a9ffff13f956eb136845b5d9059c1944187b1a81b25154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d58e52126a65a9f42a9ffff13f956eb136845b5d9059c1944187b1a81b25154", kill_on_drop: false }` [INFO] [stdout] 3d58e52126a65a9f42a9ffff13f956eb136845b5d9059c1944187b1a81b25154 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5284e1587a1bf48f56f449fbeddac2b3f2079d9ba5254f9d0a92d1d3333893b5 [INFO] running `Command { std: "docker" "start" "-a" "5284e1587a1bf48f56f449fbeddac2b3f2079d9ba5254f9d0a92d1d3333893b5", kill_on_drop: false }` [INFO] [stderr] Compiling app v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/ast.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{write, Display}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Termination` [INFO] [stdout] --> src/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Termination; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | self, AssignStmt, AstNode, BinOp, Expr, FnDef, Program, ReturnStmt, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lexer.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::token::{self, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ADD_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | ADD_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `AddEq` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SUB_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | SUB_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `SubEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NOT_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | NOT_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `NotEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MUL_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | MUL_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `MulEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `DIV_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | DIV_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `DivEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `OpenOptions`, and `Write` [INFO] [stdout] --> src/main.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | fs::{self, File, OpenOptions}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] 10 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexer.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let mut lx = Lexer::new(s.char_indices().map(|(i, c)| (i as u32, c))); [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: unreachable pattern [INFO] [stdout] --> src/ast.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => write!(f, "NOT IMPLEMENTED"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ast.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 156 | AstNode::Expr(expr) => write!(f, "{}", expr), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 157 | AstNode::Program(prg) => write!(f, "{}", prg), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 158 | AstNode::Statement(stmt) => write!(f, "{}", stmt), [INFO] [stdout] | ------------------------ matches some of the same values [INFO] [stdout] 159 | _ => write!(f, "NOT IMPLEMENTED"), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/parser.rs:209:14 [INFO] [stdout] | [INFO] [stdout] 209 | (a, b) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/parser.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 209 | (a, b) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/lexer.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | ix: u32, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/token.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut repr; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `InvalidIdentifierReason` is more private than the item `LexError::InvalidIdentifier::0` [INFO] [stdout] --> src/lexer.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 21 | InvalidIdentifier((String, InvalidIdentifierReason)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `LexError::InvalidIdentifier::0` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `InvalidIdentifierReason` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/lexer.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | enum InvalidIdentifierReason { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `InvalidIdentifierReason` is more private than the item `LexError::InvalidNumeric::0` [INFO] [stdout] --> src/lexer.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | InvalidNumeric((String, InvalidIdentifierReason)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `LexError::InvalidNumeric::0` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `InvalidIdentifierReason` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/lexer.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | enum InvalidIdentifierReason { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Conditional` is never constructed [INFO] [stdout] --> src/ast.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 105 | pub enum Statement { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 106 | Assign(AssignStmt), [INFO] [stdout] 107 | Conditional(ConditionalStmt), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Statement` and `Expr` are never constructed [INFO] [stdout] --> src/ast.rs:149:5 [INFO] [stdout] | [INFO] [stdout] 147 | pub enum AstNode { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 148 | Program(Program), [INFO] [stdout] 149 | Statement(Statement), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 150 | Expr(Expr), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AstNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `make_lexer` is never used [INFO] [stdout] --> src/lexer.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn make_lexer<'a>( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_curr_char_numeric` is never used [INFO] [stdout] --> src/lexer.rs:267:12 [INFO] [stdout] | [INFO] [stdout] 75 | / impl Lexer [INFO] [stdout] 76 | | where [INFO] [stdout] 77 | | I: Iterator, [INFO] [stdout] | |__________________________________- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 267 | pub fn is_curr_char_numeric(ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `POINTER` is never constructed [INFO] [stdout] --> src/token.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Token { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 34 | POINTER, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `make_ident` is never used [INFO] [stdout] --> src/token.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 77 | impl Token { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 78 | pub fn make_ident(s: String) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "5284e1587a1bf48f56f449fbeddac2b3f2079d9ba5254f9d0a92d1d3333893b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5284e1587a1bf48f56f449fbeddac2b3f2079d9ba5254f9d0a92d1d3333893b5", kill_on_drop: false }` [INFO] [stdout] 5284e1587a1bf48f56f449fbeddac2b3f2079d9ba5254f9d0a92d1d3333893b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2bd19553b627781bad5e079da458625a7cb8406ef61a437e51b48438c56de9b [INFO] running `Command { std: "docker" "start" "-a" "d2bd19553b627781bad5e079da458625a7cb8406ef61a437e51b48438c56de9b", kill_on_drop: false }` [INFO] [stderr] Compiling app v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/ast.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fmt::{write, Display}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Termination` [INFO] [stdout] --> src/parser.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Termination; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/parser.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | self, AssignStmt, AstNode, BinOp, Expr, FnDef, Program, ReturnStmt, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/lexer.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::token::{self, Token}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ADD_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | ADD_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `AddEq` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `SUB_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | SUB_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `SubEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NOT_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | NOT_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `NotEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MUL_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | MUL_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `MulEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `DIV_EQ` should have an upper camel case name [INFO] [stdout] --> src/token.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | DIV_EQ, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `DivEq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `OpenOptions`, and `Write` [INFO] [stdout] --> src/main.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | fs::{self, File, OpenOptions}, [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ [INFO] [stdout] 10 | io::{Read, Write}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lexer.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let mut lx = Lexer::new(s.char_indices().map(|(i, c)| (i as u32, c))); [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: unreachable pattern [INFO] [stdout] --> src/ast.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => write!(f, "NOT IMPLEMENTED"), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ast.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 156 | AstNode::Expr(expr) => write!(f, "{}", expr), [INFO] [stdout] | ------------------- matches some of the same values [INFO] [stdout] 157 | AstNode::Program(prg) => write!(f, "{}", prg), [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] 158 | AstNode::Statement(stmt) => write!(f, "{}", stmt), [INFO] [stdout] | ------------------------ matches some of the same values [INFO] [stdout] 159 | _ => write!(f, "NOT IMPLEMENTED"), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/parser.rs:209:14 [INFO] [stdout] | [INFO] [stdout] 209 | (a, b) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/parser.rs:209:17 [INFO] [stdout] | [INFO] [stdout] 209 | (a, b) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ix` [INFO] [stdout] --> src/lexer.rs:231:9 [INFO] [stdout] | [INFO] [stdout] 231 | ix: u32, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/token.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut repr; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `InvalidIdentifierReason` is more private than the item `LexError::InvalidIdentifier::0` [INFO] [stdout] --> src/lexer.rs:21:23 [INFO] [stdout] | [INFO] [stdout] 21 | InvalidIdentifier((String, InvalidIdentifierReason)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `LexError::InvalidIdentifier::0` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `InvalidIdentifierReason` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/lexer.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | enum InvalidIdentifierReason { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `InvalidIdentifierReason` is more private than the item `LexError::InvalidNumeric::0` [INFO] [stdout] --> src/lexer.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | InvalidNumeric((String, InvalidIdentifierReason)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ field `LexError::InvalidNumeric::0` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `InvalidIdentifierReason` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/lexer.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | enum InvalidIdentifierReason { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Conditional` is never constructed [INFO] [stdout] --> src/ast.rs:107:5 [INFO] [stdout] | [INFO] [stdout] 105 | pub enum Statement { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 106 | Assign(AssignStmt), [INFO] [stdout] 107 | Conditional(ConditionalStmt), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Statement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Statement` and `Expr` are never constructed [INFO] [stdout] --> src/ast.rs:149:5 [INFO] [stdout] | [INFO] [stdout] 147 | pub enum AstNode { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 148 | Program(Program), [INFO] [stdout] 149 | Statement(Statement), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 150 | Expr(Expr), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AstNode` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_curr_char_numeric` is never used [INFO] [stdout] --> src/lexer.rs:267:12 [INFO] [stdout] | [INFO] [stdout] 75 | / impl Lexer [INFO] [stdout] 76 | | where [INFO] [stdout] 77 | | I: Iterator, [INFO] [stdout] | |__________________________________- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 267 | pub fn is_curr_char_numeric(ch: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `POINTER` is never constructed [INFO] [stdout] --> src/token.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum Token { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 34 | POINTER, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `make_ident` is never used [INFO] [stdout] --> src/token.rs:78:12 [INFO] [stdout] | [INFO] [stdout] 77 | impl Token { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 78 | pub fn make_ident(s: String) -> Token { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "d2bd19553b627781bad5e079da458625a7cb8406ef61a437e51b48438c56de9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2bd19553b627781bad5e079da458625a7cb8406ef61a437e51b48438c56de9b", kill_on_drop: false }` [INFO] [stdout] d2bd19553b627781bad5e079da458625a7cb8406ef61a437e51b48438c56de9b