[INFO] cloning repository https://github.com/RobertObkircher/ro-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RobertObkircher/ro-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertObkircher%2Fro-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertObkircher%2Fro-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43aaa285ed1614835060f4e642491fe8f3e94806
[INFO] checking RobertObkircher/ro-compiler against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRobertObkircher%2Fro-compiler" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RobertObkircher/ro-compiler on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RobertObkircher/ro-compiler
[INFO] finished tweaking git repo https://github.com/RobertObkircher/ro-compiler
[INFO] tweaked toml for git repo https://github.com/RobertObkircher/ro-compiler written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/RobertObkircher/ro-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e86037abd0469fa1ab75e3523d09f7d749251bc2fcd78a4de93c38e3639aca5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e86037abd0469fa1ab75e3523d09f7d749251bc2fcd78a4de93c38e3639aca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e86037abd0469fa1ab75e3523d09f7d749251bc2fcd78a4de93c38e3639aca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e86037abd0469fa1ab75e3523d09f7d749251bc2fcd78a4de93c38e3639aca5", kill_on_drop: false }`
[INFO] [stdout] 0e86037abd0469fa1ab75e3523d09f7d749251bc2fcd78a4de93c38e3639aca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 529038d8082403c774bf935258626404f939c9b7b1fd3ddc369489d3261e365f
[INFO] running `Command { std: "docker" "start" "-a" "529038d8082403c774bf935258626404f939c9b7b1fd3ddc369489d3261e365f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling ro-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/ir.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |                    stack[instruction_pointer] = match op {
[INFO] [stdout]     |  __________________^____________________________-
[INFO] [stdout]     | | _________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 261 | ||                     _ => todo!(),
[INFO] [stdout] 262 | ||                 }
[INFO] [stdout]     | ||                 ^
[INFO] [stdout]     | ||_________________|
[INFO] [stdout]     | |__________________unreachable expression
[INFO] [stdout]     |                    any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/ir.rs:260:17
[INFO] [stdout]     |
[INFO] [stdout] 260 |                    stack[instruction_pointer] = match op {
[INFO] [stdout]     |  __________________^____________________________-
[INFO] [stdout]     | | _________________|
[INFO] [stdout]     | ||
[INFO] [stdout] 261 | ||                     _ => todo!(),
[INFO] [stdout] 262 | ||                 }
[INFO] [stdout]     | ||                 ^
[INFO] [stdout]     | ||_________________|
[INFO] [stdout]     | |__________________unreachable expression
[INFO] [stdout]     |                    any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/ir.rs:208:21
[INFO] [stdout]     |
[INFO] [stdout] 208 |             Declare(d) => stack[instruction_pointer] = Value::Undefined,
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> src/ir.rs:244:31
[INFO] [stdout]     |
[INFO] [stdout] 244 |             Unary(op, source, location) => {
[INFO] [stdout]     |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_value`
[INFO] [stdout]    --> src/ir.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let left_value = stack[left].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_value`
[INFO] [stdout]    --> src/ir.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let right_value = stack[right].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parts`
[INFO] [stdout]   --> src/parser.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut parts = Vec::<Code>::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]    --> src/parser.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let first = self.eat(TokenType::Colon)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open`
[INFO] [stdout]    --> src/parser.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let open = self.eat(TokenType::LeftBrace)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]    --> src/parser.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let close = self.eat(TokenType::RightBrace)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/parser.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let return_type = self.parse_type()?;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let body = self.parse_block()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open`
[INFO] [stdout]    --> src/parser.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let open = self.eat(TokenType::LeftBracket)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `colon`
[INFO] [stdout]    --> src/parser.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let colon = self.eat(TokenType::Colon)?;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_colon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]    --> src/parser.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let close = self.eat(TokenType::RightBracket)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let token = self.eat(TokenType::Keyword(Keyword::While))?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |         let body = self.parse_block()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open`
[INFO] [stdout]    --> src/parser.rs:472:13
[INFO] [stdout]     |
[INFO] [stdout] 472 |         let open = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]    --> src/parser.rs:474:13
[INFO] [stdout]     |
[INFO] [stdout] 474 |         let close = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label_2`
[INFO] [stdout]    --> src/parser.rs:538:13
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let label_2 = self.code.push(Instruction::Label);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_label_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jump_2`
[INFO] [stdout]    --> src/parser.rs:539:13
[INFO] [stdout]     |
[INFO] [stdout] 539 |         let jump_2 = self.code.push(Instruction::Nop);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_jump_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]    --> src/parser.rs:558:13
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let dot = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_parenthesis`
[INFO] [stdout]    --> src/parser.rs:574:17
[INFO] [stdout]     |
[INFO] [stdout] 574 |             let left_parenthesis = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_parenthesis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_parenthesis`
[INFO] [stdout]    --> src/parser.rs:585:17
[INFO] [stdout]     |
[INFO] [stdout] 585 |             let right_parenthesis = self.eat(TokenType::RightParenthesis)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_parenthesis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/ir.rs:208:21
[INFO] [stdout]     |
[INFO] [stdout] 208 |             Declare(d) => stack[instruction_pointer] = Value::Undefined,
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]    --> src/ir.rs:244:31
[INFO] [stdout]     |
[INFO] [stdout] 244 |             Unary(op, source, location) => {
[INFO] [stdout]     |                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_value`
[INFO] [stdout]    --> src/ir.rs:258:21
[INFO] [stdout]     |
[INFO] [stdout] 258 |                 let left_value = stack[left].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_value`
[INFO] [stdout]    --> src/ir.rs:259:21
[INFO] [stdout]     |
[INFO] [stdout] 259 |                 let right_value = stack[right].clone();
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parts`
[INFO] [stdout]   --> src/parser.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut parts = Vec::<Code>::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first`
[INFO] [stdout]    --> src/parser.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let first = self.eat(TokenType::Colon)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_first`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open`
[INFO] [stdout]    --> src/parser.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let open = self.eat(TokenType::LeftBrace)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]    --> src/parser.rs:266:13
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let close = self.eat(TokenType::RightBrace)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `return_type`
[INFO] [stdout]    --> src/parser.rs:291:13
[INFO] [stdout]     |
[INFO] [stdout] 291 |         let return_type = self.parse_type()?;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_return_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |         let body = self.parse_block()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open`
[INFO] [stdout]    --> src/parser.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |         let open = self.eat(TokenType::LeftBracket)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `colon`
[INFO] [stdout]    --> src/parser.rs:302:21
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 let colon = self.eat(TokenType::Colon)?;
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_colon`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]    --> src/parser.rs:319:13
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let close = self.eat(TokenType::RightBracket)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |         let token = self.eat(TokenType::Keyword(Keyword::While))?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/parser.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |         let body = self.parse_block()?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `open`
[INFO] [stdout]    --> src/parser.rs:472:13
[INFO] [stdout]     |
[INFO] [stdout] 472 |         let open = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_open`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `close`
[INFO] [stdout]    --> src/parser.rs:474:13
[INFO] [stdout]     |
[INFO] [stdout] 474 |         let close = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_close`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label_2`
[INFO] [stdout]    --> src/parser.rs:538:13
[INFO] [stdout]     |
[INFO] [stdout] 538 |         let label_2 = self.code.push(Instruction::Label);
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_label_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `jump_2`
[INFO] [stdout]    --> src/parser.rs:539:13
[INFO] [stdout]     |
[INFO] [stdout] 539 |         let jump_2 = self.code.push(Instruction::Nop);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_jump_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dot`
[INFO] [stdout]    --> src/parser.rs:558:13
[INFO] [stdout]     |
[INFO] [stdout] 558 |         let dot = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_dot`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left_parenthesis`
[INFO] [stdout]    --> src/parser.rs:574:17
[INFO] [stdout]     |
[INFO] [stdout] 574 |             let left_parenthesis = self.eat(TokenType::LeftParenthesis)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_left_parenthesis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right_parenthesis`
[INFO] [stdout]    --> src/parser.rs:585:17
[INFO] [stdout]     |
[INFO] [stdout] 585 |             let right_parenthesis = self.eat(TokenType::RightParenthesis)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_right_parenthesis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut parts = Vec::<Code>::new();
[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] error[E0507]: cannot move out of `self.iter` which is behind a mutable reference
[INFO] [stdout]    --> src/parser.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for token in self.iter {
[INFO] [stdout]     |                      ^^^^^^^^^ move occurs because `self.iter` has type `std::slice::Iter<'_, token::Token>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut expected = if expected_one_of.len() > 1 {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 167 |                     result += ", ";
[INFO] [stdout]     |                     ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 169 |                 result += "`";
[INFO] [stdout]     |                 ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 170 |                 result += &kind.to_string();
[INFO] [stdout]     |                 ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 171 |                 result += "`";
[INFO] [stdout]     |                 ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `target`
[INFO] [stdout]    --> src/parser.rs:234:48
[INFO] [stdout]     |
[INFO] [stdout] 233 |             name: target.value.unwrap(),
[INFO] [stdout]     |                                -------- `target.value` moved due to this method call
[INFO] [stdout] 234 |             identifier_location: self.location(target),
[INFO] [stdout]     |                                                ^^^^^^ value used here after partial move
[INFO] [stdout]     |
[INFO] [stdout] note: this function consumes the receiver `self` by taking ownership of it, which moves `target.value`
[INFO] [stdout]     = note: move occurs because `target.value` has type `std::option::Option<string_cache::Atom<atom::AtomStaticSet>>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.code` which is behind a mutable reference
[INFO] [stdout]    --> src/parser.rs:281:22
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let parent = self.code;
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      move occurs because `self.code` has type `ir::Code`, which does not implement the `Copy` trait
[INFO] [stdout]     |                      help: consider borrowing here: `&self.code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.code` which is behind a mutable reference
[INFO] [stdout]    --> src/parser.rs:284:54
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let index = self.code.constant(Value::Lambda(self.code));
[INFO] [stdout]     |                                                      ^^^^^^^^^ move occurs because `self.code` has type `ir::Code`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0505]: cannot move out of `self.code` because it is borrowed
[INFO] [stdout]    --> src/parser.rs:284:54
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let index = self.code.constant(Value::Lambda(self.code));
[INFO] [stdout]     |                     --------- --------               ^^^^^^^^^ move out of `self.code` occurs here
[INFO] [stdout]     |                     |         |
[INFO] [stdout]     |                     |         borrow later used by call
[INFO] [stdout]     |                     borrow of `self.code` occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `identifier`
[INFO] [stdout]    --> src/parser.rs:306:56
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     name: identifier.value.unwrap(),
[INFO] [stdout]     |                                            -------- `identifier.value` moved due to this method call
[INFO] [stdout] 306 |                     identifier_location: self.location(identifier),
[INFO] [stdout]     |                                                        ^^^^^^^^^^ value used here after partial move
[INFO] [stdout]     |
[INFO] [stdout] note: this function consumes the receiver `self` by taking ownership of it, which moves `identifier.value`
[INFO] [stdout]     = note: move occurs because `identifier.value` has type `std::option::Option<string_cache::Atom<atom::AtomStaticSet>>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> src/parser.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 self.unexpected(
[INFO] [stdout]     |                 ---- ---------- first borrow later used by call
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 first mutable borrow occurs here
[INFO] [stdout] 454 |                     self.advance(),
[INFO] [stdout]     |                     ^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `token.kind`
[INFO] [stdout]    --> src/parser.rs:606:27
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let token = self.advance();
[INFO] [stdout]     |             ----- move occurs because `token` has type `token::Token`, which does not implement the `Copy` trait
[INFO] [stdout] 604 |         let location = self.location(token);
[INFO] [stdout]     |                                      ----- value moved here
[INFO] [stdout] 605 |         let op = match token.kind {
[INFO] [stdout] 606 |             TokenType::Op(Operator::Minus) => UnaryOperation::Negate,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ value used here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0499, E0505, E0507, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ro-compiler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut parts = Vec::<Code>::new();
[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] error[E0507]: cannot move out of `self.iter` which is behind a mutable reference
[INFO] [stdout]    --> src/parser.rs:111:22
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for token in self.iter {
[INFO] [stdout]     |                      ^^^^^^^^^ move occurs because `self.iter` has type `std::slice::Iter<'_, token::Token>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let mut expected = if expected_one_of.len() > 1 {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 167 |                     result += ", ";
[INFO] [stdout]     |                     ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:169:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 169 |                 result += "`";
[INFO] [stdout]     |                 ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:170:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 170 |                 result += &kind.to_string();
[INFO] [stdout]     |                 ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/parser.rs:171:17
[INFO] [stdout]     |
[INFO] [stdout] 161 |             let result = String::from("expected one of ");
[INFO] [stdout]     |                 ------ help: consider changing this to be mutable: `mut result`
[INFO] [stdout] ...
[INFO] [stdout] 171 |                 result += "`";
[INFO] [stdout]     |                 ^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `target`
[INFO] [stdout]    --> src/parser.rs:234:48
[INFO] [stdout]     |
[INFO] [stdout] 233 |             name: target.value.unwrap(),
[INFO] [stdout]     |                                -------- `target.value` moved due to this method call
[INFO] [stdout] 234 |             identifier_location: self.location(target),
[INFO] [stdout]     |                                                ^^^^^^ value used here after partial move
[INFO] [stdout]     |
[INFO] [stdout] note: this function consumes the receiver `self` by taking ownership of it, which moves `target.value`
[INFO] [stdout]     = note: move occurs because `target.value` has type `std::option::Option<string_cache::Atom<atom::AtomStaticSet>>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.code` which is behind a mutable reference
[INFO] [stdout]    --> src/parser.rs:281:22
[INFO] [stdout]     |
[INFO] [stdout] 281 |         let parent = self.code;
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      move occurs because `self.code` has type `ir::Code`, which does not implement the `Copy` trait
[INFO] [stdout]     |                      help: consider borrowing here: `&self.code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of `self.code` which is behind a mutable reference
[INFO] [stdout]    --> src/parser.rs:284:54
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let index = self.code.constant(Value::Lambda(self.code));
[INFO] [stdout]     |                                                      ^^^^^^^^^ move occurs because `self.code` has type `ir::Code`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0505]: cannot move out of `self.code` because it is borrowed
[INFO] [stdout]    --> src/parser.rs:284:54
[INFO] [stdout]     |
[INFO] [stdout] 284 |         let index = self.code.constant(Value::Lambda(self.code));
[INFO] [stdout]     |                     --------- --------               ^^^^^^^^^ move out of `self.code` occurs here
[INFO] [stdout]     |                     |         |
[INFO] [stdout]     |                     |         borrow later used by call
[INFO] [stdout]     |                     borrow of `self.code` occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `identifier`
[INFO] [stdout]    --> src/parser.rs:306:56
[INFO] [stdout]     |
[INFO] [stdout] 305 |                     name: identifier.value.unwrap(),
[INFO] [stdout]     |                                            -------- `identifier.value` moved due to this method call
[INFO] [stdout] 306 |                     identifier_location: self.location(identifier),
[INFO] [stdout]     |                                                        ^^^^^^^^^^ value used here after partial move
[INFO] [stdout]     |
[INFO] [stdout] note: this function consumes the receiver `self` by taking ownership of it, which moves `identifier.value`
[INFO] [stdout]     = note: move occurs because `identifier.value` has type `std::option::Option<string_cache::Atom<atom::AtomStaticSet>>`, which does not implement the `Copy` trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0499]: cannot borrow `*self` as mutable more than once at a time
[INFO] [stdout]    --> src/parser.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 self.unexpected(
[INFO] [stdout]     |                 ---- ---------- first borrow later used by call
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 first mutable borrow occurs here
[INFO] [stdout] 454 |                     self.advance(),
[INFO] [stdout]     |                     ^^^^ second mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `token.kind`
[INFO] [stdout]    --> src/parser.rs:606:27
[INFO] [stdout]     |
[INFO] [stdout] 603 |         let token = self.advance();
[INFO] [stdout]     |             ----- move occurs because `token` has type `token::Token`, which does not implement the `Copy` trait
[INFO] [stdout] 604 |         let location = self.location(token);
[INFO] [stdout]     |                                      ----- value moved here
[INFO] [stdout] 605 |         let op = match token.kind {
[INFO] [stdout] 606 |             TokenType::Op(Operator::Minus) => UnaryOperation::Negate,
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^ value used here after move
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0382, E0499, E0505, E0507, E0596.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "529038d8082403c774bf935258626404f939c9b7b1fd3ddc369489d3261e365f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529038d8082403c774bf935258626404f939c9b7b1fd3ddc369489d3261e365f", kill_on_drop: false }`
[INFO] [stdout] 529038d8082403c774bf935258626404f939c9b7b1fd3ddc369489d3261e365f
