[INFO] cloning repository https://github.com/Joyzyy/pseudocod_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Joyzyy/pseudocod_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyzyy%2Fpseudocod_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyzyy%2Fpseudocod_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 846d1f548547a5802ddc65334960f4367c0e12f5
[INFO] checking Joyzyy/pseudocod_lang against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyzyy%2Fpseudocod_lang" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Joyzyy/pseudocod_lang
[INFO] finished tweaking git repo https://github.com/Joyzyy/pseudocod_lang
[INFO] tweaked toml for git repo https://github.com/Joyzyy/pseudocod_lang written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Joyzyy/pseudocod_lang on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Joyzyy/pseudocod_lang 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" "+52995a223f2919dd3e2e427231db90a257350ded" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking Joyzyy/pseudocod_lang against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoyzyy%2Fpseudocod_lang" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Joyzyy/pseudocod_lang
[INFO] finished tweaking git repo https://github.com/Joyzyy/pseudocod_lang
[INFO] tweaked toml for git repo https://github.com/Joyzyy/pseudocod_lang written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Joyzyy/pseudocod_lang on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Joyzyy/pseudocod_lang 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15
[INFO] running `Command { std: "docker" "start" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking h95-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Lexer` and `TokenType`
[INFO] [stdout]  --> src/lexer/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Lexer, TokenType};
[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 imports: `RefCell`, `Ref`, `borrow::Borrow`, `ops::Deref`, and `rc::Rc`
[INFO] [stdout]  --> src/parser/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Borrow,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     cell::{Ref, RefCell},
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout] 4 |     ops::Deref,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExpressionStatement`, `IntegralLiteral`, `LetStatement`, `Node`, `Program`, `ReturnStatement`, `Statement`, and `lexer::Lexer`
[INFO] [stdout]   --> src/parser/tests.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         ExpressionStatement, IntegralLiteral, LetStatement, Node, Program, ReturnStatement,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^  ^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 11 |         Statement,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 12 |     },
[INFO] [stdout] 13 |     lexer::Lexer,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Parser`
[INFO] [stdout]   --> src/parser/tests.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use super::Parser;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RefCell`, `Ref`, `ops::Deref`, and `rc::Rc`
[INFO] [stdout]  --> src/parser/tests.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     cell::{Ref, RefCell},
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout] 4 |     ops::Deref,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     rc::Rc,
[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 imports: `ExpressionStatement` and `Program`
[INFO] [stdout]   --> src/parser/tests.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         ExpressionStatement, IntegralLiteral, LetStatement, Node, Program, ReturnStatement,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Borrow`
[INFO] [stdout]  --> src/parser/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     borrow::Borrow,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Statement`
[INFO] [stdout]   --> src/parser/tests.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         Statement,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut statement = ReturnStatement {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precedence`
[INFO] [stdout]    --> src/parser/mod.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn parse_expression(&self, precedence: Precedence) -> Option<Rc<RefCell<dyn Expression>>> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Precedence` is never used
[INFO] [stdout]   --> src/parser/mod.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Precedence {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Parser {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/parser/mod.rs:35:8
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl Parser {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  35 |     fn new(lexer: Lexer) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     fn errors(&self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     fn peek_error(&mut self, token_type: TokenType) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     fn next_token(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     fn parse_program(&mut self) -> Option<Program> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn parse_statement(&mut self) -> Option<Rc<RefCell<dyn Statement>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn parse_let_statement(&mut self) -> Option<Rc<RefCell<dyn Statement>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn parse_return_statement(&mut self) -> Option<Rc<RefCell<dyn Statement>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn parse_expression_statement(&mut self) -> Option<Rc<RefCell<dyn Statement>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn parse_expression(&self, precedence: Precedence) -> Option<Rc<RefCell<dyn Expression>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn parse_identifier(&self) -> Option<Rc<RefCell<dyn Expression>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 174 |     fn parse_integral_literal(&self) -> Option<Rc<RefCell<dyn Expression>>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     fn current_token_is(&self, token_type: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 |     fn peek_token_is(&self, token_type: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 190 |     fn expect_peek(&mut self, token_type: TokenType) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |     fn register_prefix(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn register_infix(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let mut statement = ReturnStatement {
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `precedence`
[INFO] [stdout]    --> src/parser/mod.rs:153:32
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn parse_expression(&self, precedence: Precedence) -> Option<Rc<RefCell<dyn Expression>>> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_precedence`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Equals`, `LessGreater`, `Sum`, `Product`, `Prefix`, and `Call` are never constructed
[INFO] [stdout]   --> src/parser/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Precedence {
[INFO] [stdout]    |      ---------- variants in this enum
[INFO] [stdout] 14 |     Lowest,
[INFO] [stdout] 15 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     LessGreater,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 17 |     Sum,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 18 |     Product,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     Prefix,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 20 |     Call,
[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 `infix_parse_fns` is never read
[INFO] [stdout]   --> src/parser/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Parser {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 30 |     infix_parse_fns:
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `register_infix` is never used
[INFO] [stdout]    --> src/parser/mod.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout]  34 | impl Parser {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn register_infix(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15", kill_on_drop: false }`
[INFO] [stdout] 3e95a521bb1e27a0fe7dc2ad08112c90a5d287f080c022eede327fd745d81c15
