[INFO] cloning repository https://github.com/emmet-horgan/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emmet-horgan/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmet-horgan%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmet-horgan%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe9220fc50c1933fabce49090481cf749091114c
[INFO] checking emmet-horgan/rlox against master#e3e432d4d65a55e6db167598e96db2bcb163e316 for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmet-horgan%2Frlox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emmet-horgan/rlox on toolchain e3e432d4d65a55e6db167598e96db2bcb163e316
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emmet-horgan/rlox
[INFO] finished tweaking git repo https://github.com/emmet-horgan/rlox
[INFO] tweaked toml for git repo https://github.com/emmet-horgan/rlox written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emmet-horgan/rlox 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" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfb45026a06997c4ae795cfbc5249d6f609ca591256221f00cc13789c8217bae
[INFO] running `Command { std: "docker" "start" "-a" "dfb45026a06997c4ae795cfbc5249d6f609ca591256221f00cc13789c8217bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfb45026a06997c4ae795cfbc5249d6f609ca591256221f00cc13789c8217bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb45026a06997c4ae795cfbc5249d6f609ca591256221f00cc13789c8217bae", kill_on_drop: false }`
[INFO] [stdout] dfb45026a06997c4ae795cfbc5249d6f609ca591256221f00cc13789c8217bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+e3e432d4d65a55e6db167598e96db2bcb163e316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f727aa2f2acd33cbcd5ae92b74e9c34757ef49ab2ed7f14ea9fb91eb7f0ded8
[INFO] running `Command { std: "docker" "start" "-a" "2f727aa2f2acd33cbcd5ae92b74e9c34757ef49ab2ed7f14ea9fb91eb7f0ded8", kill_on_drop: false }`
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found keyword `pub`
[INFO] [stdout]   --> src/object.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type NativeFunction = fn()
[INFO] [stdout]    |                               ^ help: add `;` here
[INFO] [stdout] 21 |
[INFO] [stdout] 22 | pub struct SiennaFunction {
[INFO] [stdout]    | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `pub`
[INFO] [stdout]   --> src/object.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type NativeFunction = fn()
[INFO] [stdout]    |                               ^ help: add `;` here
[INFO] [stdout] 21 |
[INFO] [stdout] 22 | pub struct SiennaFunction {
[INFO] [stdout]    | --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/vm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/vm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]  --> src/vm.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::chunk::{Chunk, OpCode};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/chunk.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/chunk.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::LinkedList`
[INFO] [stdout]  --> src/vm.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::LinkedList;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/vm.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OpCode`
[INFO] [stdout]  --> src/vm.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::chunk::{Chunk, OpCode};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/object.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/chunk.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/chunk.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             _ => write!(f, "Uknown")
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             TokenType::And => write!(f, "And"),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 56 |             TokenType::Bang => write!(f, "Bang"),
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 57 |             TokenType::BangEqual => write!(f, "BangEqual"),
[INFO] [stdout]    |             -------------------- matches some of the same values
[INFO] [stdout] 58 |             TokenType::Class => write!(f, "Class"),
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 94 |             _ => write!(f, "Uknown")
[INFO] [stdout]    |             ^ ...and 35 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/token.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             _ => write!(f, "Uknown")
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/token.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             TokenType::And => write!(f, "And"),
[INFO] [stdout]    |             -------------- matches some of the same values
[INFO] [stdout] 56 |             TokenType::Bang => write!(f, "Bang"),
[INFO] [stdout]    |             --------------- matches some of the same values
[INFO] [stdout] 57 |             TokenType::BangEqual => write!(f, "BangEqual"),
[INFO] [stdout]    |             -------------------- matches some of the same values
[INFO] [stdout] 58 |             TokenType::Class => write!(f, "Class"),
[INFO] [stdout]    |             ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 94 |             _ => write!(f, "Uknown")
[INFO] [stdout]    |             ^ ...and 35 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/vm.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn interpret_chunk(&mut self, chunk: &mut Chunk) {
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lox`
[INFO] [stdout]   --> src/main.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn run(lox: &str) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_lox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `chunk`
[INFO] [stdout]   --> src/vm.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn interpret_chunk(&mut self, chunk: &mut Chunk) {
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_chunk`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lox`
[INFO] [stdout]   --> src/main.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn run(lox: &str) -> Result<(), Error> {
[INFO] [stdout]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_lox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlox` (bin "rlox" test) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rlox` (bin "rlox") due to 1 previous error; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2f727aa2f2acd33cbcd5ae92b74e9c34757ef49ab2ed7f14ea9fb91eb7f0ded8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f727aa2f2acd33cbcd5ae92b74e9c34757ef49ab2ed7f14ea9fb91eb7f0ded8", kill_on_drop: false }`
[INFO] [stdout] 2f727aa2f2acd33cbcd5ae92b74e9c34757ef49ab2ed7f14ea9fb91eb7f0ded8