[INFO] cloning repository https://github.com/smacfarlane/lox-vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smacfarlane/lox-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmacfarlane%2Flox-vm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmacfarlane%2Flox-vm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79bab0f3e48f19eda7f298ccb4f85e544210c77c
[INFO] checking smacfarlane/lox-vm against try#db4e1d23234d93b5e96ecc768b35d9090c32cddf for pr-149901
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmacfarlane%2Flox-vm" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smacfarlane/lox-vm
[INFO] finished tweaking git repo https://github.com/smacfarlane/lox-vm
[INFO] tweaked toml for git repo https://github.com/smacfarlane/lox-vm written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smacfarlane/lox-vm on toolchain db4e1d23234d93b5e96ecc768b35d9090c32cddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smacfarlane/lox-vm 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" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52650109baae253a1224cbb9c2ab623a89c71fb7885ae3a3afc63ae0bb01a0f3
[INFO] running `Command { std: "docker" "start" "-a" "52650109baae253a1224cbb9c2ab623a89c71fb7885ae3a3afc63ae0bb01a0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52650109baae253a1224cbb9c2ab623a89c71fb7885ae3a3afc63ae0bb01a0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52650109baae253a1224cbb9c2ab623a89c71fb7885ae3a3afc63ae0bb01a0f3", kill_on_drop: false }`
[INFO] [stdout] 52650109baae253a1224cbb9c2ab623a89c71fb7885ae3a3afc63ae0bb01a0f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db4e1d23234d93b5e96ecc768b35d9090c32cddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da4f9c435a89b9337a480751bc628b9c3e53259d199f06b8bfe884d5d972be97
[INFO] running `Command { std: "docker" "start" "-a" "da4f9c435a89b9337a480751bc628b9c3e53259d199f06b8bfe884d5d972be97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RuntimeError`
[INFO] [stdout]  --> src/vm.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::error::{InterpretError, RuntimeError};
[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: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn number(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn string(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:238:28
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:243:25
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:260:26
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExpectedToken` is never constructed
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 12 |     #[error("expected token {0}")]
[INFO] [stdout] 13 |     ExpectedToken(TokenType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Comparision` and `StringConcatination` are never constructed
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum EvaluationError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 22 |     #[error("operands must be numbers {0}")]
[INFO] [stdout] 23 |     Comparision(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     StringConcatination,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvaluationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RuntimeError` is never used
[INFO] [stdout]   --> src/error.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum RuntimeError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compiler.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         self.consume(
[INFO] [stdout] 198 | |             TokenType::Semicolon,
[INFO] [stdout] 199 | |             "expected ';' after variable declaration",
[INFO] [stdout] 200 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let _ = self.consume(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compiler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compiler.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let _ = self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RuntimeError`
[INFO] [stdout]  --> src/vm.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::error::{InterpretError, RuntimeError};
[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: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:118:26
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn number(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:132:26
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn string(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:146:27
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn literal(&mut self, can_assign: bool) {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:238:28
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn grouping(&mut self, can_assign: bool) {
[INFO] [stdout]     |                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:243:25
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn unary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:260:26
[INFO] [stdout]     |
[INFO] [stdout] 260 |     fn binary(&mut self, can_assign: bool) {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ExpectedToken` is never constructed
[INFO] [stdout]   --> src/error.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ParseError {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] 12 |     #[error("expected token {0}")]
[INFO] [stdout] 13 |     ExpectedToken(TokenType),
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Comparision` and `StringConcatination` are never constructed
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum EvaluationError {
[INFO] [stdout]    |          --------------- variants in this enum
[INFO] [stdout] 22 |     #[error("operands must be numbers {0}")]
[INFO] [stdout] 23 |     Comparision(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     StringConcatination,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EvaluationError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RuntimeError` is never used
[INFO] [stdout]   --> src/error.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub enum RuntimeError {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compiler.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 197 | /         self.consume(
[INFO] [stdout] 198 | |             TokenType::Semicolon,
[INFO] [stdout] 199 | |             "expected ';' after variable declaration",
[INFO] [stdout] 200 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let _ = self.consume(
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compiler.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compiler.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let _ = self.consume(TokenType::Semicolon, "expect ';' after value.");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `Command { std: "docker" "inspect" "da4f9c435a89b9337a480751bc628b9c3e53259d199f06b8bfe884d5d972be97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da4f9c435a89b9337a480751bc628b9c3e53259d199f06b8bfe884d5d972be97", kill_on_drop: false }`
[INFO] [stdout] da4f9c435a89b9337a480751bc628b9c3e53259d199f06b8bfe884d5d972be97
