[INFO] cloning repository https://github.com/hariangr/ApaLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hariangr/ApaLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhariangr%2FApaLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhariangr%2FApaLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21e34c182d0224709fddc45f65bd3db54118e580
[INFO] checking hariangr/ApaLang against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhariangr%2FApaLang" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hariangr/ApaLang on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hariangr/ApaLang
[INFO] finished tweaking git repo https://github.com/hariangr/ApaLang
[INFO] tweaked toml for git repo https://github.com/hariangr/ApaLang written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/hariangr/ApaLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f481745ab0920f0ee675a1cf267465349dd605edf8a92e58a73231aacddd4e05
[INFO] running `Command { std: "docker" "start" "-a" "f481745ab0920f0ee675a1cf267465349dd605edf8a92e58a73231aacddd4e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f481745ab0920f0ee675a1cf267465349dd605edf8a92e58a73231aacddd4e05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f481745ab0920f0ee675a1cf267465349dd605edf8a92e58a73231aacddd4e05", kill_on_drop: false }`
[INFO] [stdout] f481745ab0920f0ee675a1cf267465349dd605edf8a92e58a73231aacddd4e05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b15c0eb25989c4e88e54d46baacf1c3bd60c08c8cde099f2a04a6b76bd9b52dc
[INFO] running `Command { std: "docker" "start" "-a" "b15c0eb25989c4e88e54d46baacf1c3bd60c08c8cde099f2a04a6b76bd9b52dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking apalang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::lexer::SimplifyTokens`
[INFO] [stdout]  --> src/parser.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::lexer::SimplifyTokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPERATOR`
[INFO] [stdout]  --> src/lexer.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const OPERATOR: &str = "*/+-()";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITESPACE`
[INFO] [stdout]  --> src/lexer.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const WHITESPACE: &str = " \n";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]  --> src/lexer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Operator,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |          ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_string`
[INFO] [stdout]   --> src/lexer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn parse_string(text: &str) -> Lexer {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Precedence`
[INFO] [stdout]  --> src/parser.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Precedence(&'static str, i32);
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PRECEDENCE`
[INFO] [stdout]   --> src/parser.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / const PRECEDENCE: [Precedence; 5] = [
[INFO] [stdout] 9  | |     Precedence { 0: "+", 1: 2 },
[INFO] [stdout] 10 | |     Precedence { 0: "-", 1: 2 },
[INFO] [stdout] 11 | |     Precedence { 0: "*", 1: 3 },
[INFO] [stdout] 12 | |     Precedence { 0: "/", 1: 3 },
[INFO] [stdout] 13 | |     Precedence { 0: "^", 1: 4 },
[INFO] [stdout] 14 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `priority_by_symbol`
[INFO] [stdout]   --> src/parser.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn priority_by_symbol(symbol: &str) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_precedence`
[INFO] [stdout]   --> src/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_precedence(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]   --> src/parser.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Parser {}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/parser.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn parse(tokens: Vec<Token>) -> Vec<Token> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Executor`
[INFO] [stdout]  --> src/executor.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Executor {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate`
[INFO] [stdout]  --> src/executor.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn calculate(postfix: Vec<Token>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/parser.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let r = Parser::parse(parsed);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPERATOR`
[INFO] [stdout]  --> src/lexer.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | const OPERATOR: &str = "*/+-()";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WHITESPACE`
[INFO] [stdout]  --> src/lexer.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const WHITESPACE: &str = " \n";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]  --> src/lexer.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Number,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Operator`
[INFO] [stdout]  --> src/lexer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Operator,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/lexer.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]   |          ^^^^^             ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]   --> src/lexer.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Word,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `TokenKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/lexer.rs:6:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |          ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_string`
[INFO] [stdout]   --> src/lexer.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn parse_string(text: &str) -> Lexer {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "b15c0eb25989c4e88e54d46baacf1c3bd60c08c8cde099f2a04a6b76bd9b52dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15c0eb25989c4e88e54d46baacf1c3bd60c08c8cde099f2a04a6b76bd9b52dc", kill_on_drop: false }`
[INFO] [stdout] b15c0eb25989c4e88e54d46baacf1c3bd60c08c8cde099f2a04a6b76bd9b52dc