[INFO] cloning repository https://github.com/codefionn/pgcl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codefionn/pgcl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Fpgcl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Fpgcl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c731a2b424e4ba6a6b5d8570c4a34807e730e77
[INFO] checking codefionn/pgcl against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodefionn%2Fpgcl" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/codefionn/pgcl
[INFO] finished tweaking git repo https://github.com/codefionn/pgcl
[INFO] tweaked toml for git repo https://github.com/codefionn/pgcl written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/codefionn/pgcl on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/codefionn/pgcl 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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8", 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" "c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8", 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" "c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `ContextHolder`
[INFO] [stdout]  --> src/tests/bench.rs:9:31
[INFO] [stdout]   |
[INFO] [stdout] 9 |     context::{ContextHandler, ContextHolder},
[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 variable: `b_expr`
[INFO] [stdout]     --> src/execute/execute.rs:1314:34
[INFO] [stdout]      |
[INFO] [stdout] 1314 |                     if let Some((b_expr, b_is_id)) = b.get(key) {
[INFO] [stdout]      |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_expr`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_execute` is never read
[INFO] [stdout]    --> src/execute/executor.rs:796:29
[INFO] [stdout]     |
[INFO] [stdout] 796 | ...                   should_execute = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_execute` is never read
[INFO] [stdout]    --> src/execute/executor.rs:818:29
[INFO] [stdout]     |
[INFO] [stdout] 818 | ...                   should_execute = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `no_change`
[INFO] [stdout]    --> src/syscall.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         no_change: bool,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b_expr`
[INFO] [stdout]     --> src/execute/execute.rs:1314:34
[INFO] [stdout]      |
[INFO] [stdout] 1314 |                     if let Some((b_expr, b_is_id)) = b.get(key) {
[INFO] [stdout]      |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_b_expr`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nat_digits` is never read
[INFO] [stdout]    --> src/ext_parse/json.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |             nat_digits += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lexer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             tok => Err(LexerError::UnexpectedToken(tok)),
[INFO] [stdout]     |             ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lexer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             Token::Lambda => Ok(SyntaxKind::Lambda),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 194 |             Token::ParenLeft => Ok(SyntaxKind::ParenLeft),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 195 |             Token::ParenRight => Ok(SyntaxKind::ParenRight),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 196 |             Token::LstLeft => Ok(SyntaxKind::LstLeft),
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 236 |             tok => Err(LexerError::UnexpectedToken(tok)),
[INFO] [stdout]     |             ^^^ ...and 39 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/parser.rs:249:18
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Some(op @ SyntaxKind::OpImmediate) => {
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:702:13
[INFO] [stdout]     |
[INFO] [stdout] 702 |         let mut success_peek = if !check_newlines {
[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: `re`
[INFO] [stdout]     --> src/parser.rs:1271:25
[INFO] [stdout]      |
[INFO] [stdout] 1271 |                     let re = Regex::new(tok.text())
[INFO] [stdout]      |                         ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `exit_code` is never read
[INFO] [stdout]   --> src/reader.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut exit_code = 0;
[INFO] [stdout]    |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 49 |                             exit_code = code;
[INFO] [stdout]    |                             ---------------- `exit_code` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/system.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut actor = Self {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx` is never read
[INFO] [stdout]   --> src/actor.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Actor {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     tx: mpsc::Sender<Message>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_id`, `get_globals`, and `get_values` are never used
[INFO] [stdout]   --> src/context.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PrivateContext {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get_id(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub async fn get_globals(&mut self) -> Vec<Syntax> {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub async fn get_values(&mut self) -> Vec<Syntax> {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ContinueJustFalse` is never constructed
[INFO] [stdout]    --> src/context.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub enum ComparisonResult {
[INFO] [stdout]     |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 222 |     ContinueJustFalse(Vec<(Syntax, Syntax)>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_globals`, `get_values`, and `set_values_in_context` are never used
[INFO] [stdout]    --> src/context.rs:431:18
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl Context {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 431 |     pub async fn get_globals(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 435 |     pub async fn get_values(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |     pub async fn set_values_in_context(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `async_default` is never used
[INFO] [stdout]    --> src/context.rs:561:18
[INFO] [stdout]     |
[INFO] [stdout] 560 | impl ContextHandler {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 561 |     pub async fn async_default() -> Self {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_global`, `get_globals`, and `get_values` are never used
[INFO] [stdout]    --> src/context.rs:598:18
[INFO] [stdout]     |
[INFO] [stdout] 569 | impl ContextHandler {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 598 |     pub async fn get_global(&mut self, id: &String) -> Option<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 602 |     pub async fn get_globals(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 606 |     pub async fn get_values(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_val_flt` and `is_val_str` are never used
[INFO] [stdout]    --> src/execute/execute.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Syntax {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn is_val_flt(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn is_val_str(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_pretty` is never used
[INFO] [stdout]   --> src/ext_parse/json.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn encode_pretty(expr: Syntax) -> Result<String, EncodeError> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/syscall.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct PrivateSystem {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 115 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_id` is never used
[INFO] [stdout]    --> src/syscall.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl PrivateSystem {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn get_id(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/system.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct System {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 30 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `System` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_id` is never used
[INFO] [stdout]   --> src/system.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl System {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 35 |     pub fn get_id(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `rhs`, and `msg` are never read
[INFO] [stdout]    --> src/system.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct Assertion {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 141 |     pub lhs: Syntax,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 142 |     pub rhs: Syntax,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 143 |     pub msg: Option<String>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/execute/execute.rs:1218:52
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub async fn get_args<'a>(&'a self) -> HashSet<&String> {
[INFO] [stdout]      |                                --                  ^^^^^^^ the same lifetime is elided here
[INFO] [stdout]      |                                |
[INFO] [stdout]      |                                the lifetime is named 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: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub async fn get_args<'a>(&'a self) -> HashSet<&'a String> {
[INFO] [stdout]      |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_execute` is never read
[INFO] [stdout]    --> src/execute/executor.rs:796:29
[INFO] [stdout]     |
[INFO] [stdout] 796 | ...                   should_execute = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `should_execute` is never read
[INFO] [stdout]    --> src/execute/executor.rs:818:29
[INFO] [stdout]     |
[INFO] [stdout] 818 | ...                   should_execute = false;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:249:29
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn hex_to_big_rational(num: &str) -> Result<num::BigRational, <Token as Logos>::Error> {
[INFO] [stdout]     |                             ^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 249 | fn hex_to_big_rational(num: &str) -> Result<num::BigRational, <Token as Logos<'_>>::Error> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `no_change`
[INFO] [stdout]    --> src/syscall.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         no_change: bool,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_no_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nat_digits` is never read
[INFO] [stdout]    --> src/ext_parse/json.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |             nat_digits += 1;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lexer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 236 |             tok => Err(LexerError::UnexpectedToken(tok)),
[INFO] [stdout]     |             ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lexer.rs:236:13
[INFO] [stdout]     |
[INFO] [stdout] 193 |             Token::Lambda => Ok(SyntaxKind::Lambda),
[INFO] [stdout]     |             ------------- matches some of the same values
[INFO] [stdout] 194 |             Token::ParenLeft => Ok(SyntaxKind::ParenLeft),
[INFO] [stdout]     |             ---------------- matches some of the same values
[INFO] [stdout] 195 |             Token::ParenRight => Ok(SyntaxKind::ParenRight),
[INFO] [stdout]     |             ----------------- matches some of the same values
[INFO] [stdout] 196 |             Token::LstLeft => Ok(SyntaxKind::LstLeft),
[INFO] [stdout]     |             -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 236 |             tok => Err(LexerError::UnexpectedToken(tok)),
[INFO] [stdout]     |             ^^^ ...and 39 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op`
[INFO] [stdout]    --> src/parser.rs:249:18
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Some(op @ SyntaxKind::OpImmediate) => {
[INFO] [stdout]     |                  ^^ help: if this is intentional, prefix it with an underscore: `_op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:702:13
[INFO] [stdout]     |
[INFO] [stdout] 702 |         let mut success_peek = if !check_newlines {
[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: `re`
[INFO] [stdout]     --> src/parser.rs:1271:25
[INFO] [stdout]      |
[INFO] [stdout] 1271 |                     let re = Regex::new(tok.text())
[INFO] [stdout]      |                         ^^ help: if this is intentional, prefix it with an underscore: `_re`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `exit_code` is never read
[INFO] [stdout]   --> src/reader.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut exit_code = 0;
[INFO] [stdout]    |                             ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 49 |                             exit_code = code;
[INFO] [stdout]    |                             ---------------- `exit_code` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/system.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |             let mut actor = Self {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tx` is never read
[INFO] [stdout]   --> src/actor.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Actor {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 43 |     tx: mpsc::Sender<Message>,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_id`, `get_globals`, and `get_values` are never used
[INFO] [stdout]   --> src/context.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PrivateContext {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn get_id(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     pub async fn get_globals(&mut self) -> Vec<Syntax> {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub async fn get_values(&mut self) -> Vec<Syntax> {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ContinueJustFalse` is never constructed
[INFO] [stdout]    --> src/context.rs:222:5
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub enum ComparisonResult {
[INFO] [stdout]     |          ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 222 |     ContinueJustFalse(Vec<(Syntax, Syntax)>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_globals`, `get_values`, and `set_values_in_context` are never used
[INFO] [stdout]    --> src/context.rs:431:18
[INFO] [stdout]     |
[INFO] [stdout] 406 | impl Context {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 431 |     pub async fn get_globals(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 435 |     pub async fn get_values(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 497 |     pub async fn set_values_in_context(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_globals` and `get_values` are never used
[INFO] [stdout]    --> src/context.rs:602:18
[INFO] [stdout]     |
[INFO] [stdout] 569 | impl ContextHandler {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 602 |     pub async fn get_globals(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 606 |     pub async fn get_values(&mut self) -> Vec<Syntax> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_val_flt` and `is_val_str` are never used
[INFO] [stdout]    --> src/execute/execute.rs:130:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | impl Syntax {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     fn is_val_flt(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn is_val_str(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/syscall.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct PrivateSystem {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 115 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_id` is never used
[INFO] [stdout]    --> src/syscall.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl PrivateSystem {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn get_id(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/system.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct System {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 30 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `System` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_id` is never used
[INFO] [stdout]   --> src/system.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl System {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 35 |     pub fn get_id(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `lhs`, `rhs`, and `msg` are never read
[INFO] [stdout]    --> src/system.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 140 | struct Assertion {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 141 |     pub lhs: Syntax,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 142 |     pub rhs: Syntax,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 143 |     pub msg: Option<String>,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/execute/execute.rs:1218:52
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub async fn get_args<'a>(&'a self) -> HashSet<&String> {
[INFO] [stdout]      |                                --                  ^^^^^^^ the same lifetime is elided here
[INFO] [stdout]      |                                |
[INFO] [stdout]      |                                the lifetime is named 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: consistently use `'a`
[INFO] [stdout]      |
[INFO] [stdout] 1218 |     pub async fn get_args<'a>(&'a self) -> HashSet<&'a String> {
[INFO] [stdout]      |                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lexer.rs:249:29
[INFO] [stdout]     |
[INFO] [stdout] 249 | fn hex_to_big_rational(num: &str) -> Result<num::BigRational, <Token as Logos>::Error> {
[INFO] [stdout]     |                             ^^^^ the lifetime is elided here  ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 249 | fn hex_to_big_rational(num: &str) -> Result<num::BigRational, <Token as Logos<'_>>::Error> {
[INFO] [stdout]     |                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 50.27s
[INFO] running `Command { std: "docker" "inspect" "c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8", kill_on_drop: false }`
[INFO] [stdout] c70a9f0ddb1d88be800184659182fbef37198317b7938d48bc5506870d2ddbb8
