Dec 11 16:01:24.328 INFO checking jstnlef/rlox against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:01:24.328 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:01:24.766 INFO [stdout] 7ca16d8d653d4b01a245f261f9e98895da317181e8ad2a108c5fc14d5ca5bc61
Dec 11 16:01:24.772 INFO running `"docker" "start" "-a" "7ca16d8d653d4b01a245f261f9e98895da317181e8ad2a108c5fc14d5ca5bc61"`
Dec 11 16:01:26.060 INFO [stderr] usermod: no changes
Dec 11 16:01:26.112 INFO [stderr]     Checking lazy_static v0.2.10
Dec 11 16:01:26.444 INFO [stderr]     Checking rlox v0.1.0 (/source)
Dec 11 16:01:27.156 INFO [stderr] warning: unused import: `Callable`
Dec 11 16:01:27.156 INFO [stderr]  --> src/interpreter.rs:5:29
Dec 11 16:01:27.156 INFO [stderr]   |
Dec 11 16:01:27.156 INFO [stderr] 5 | use lox_object::{LoxObject, Callable};
Dec 11 16:01:27.156 INFO [stderr]   |                             ^^^^^^^^
Dec 11 16:01:27.156 INFO [stderr]   |
Dec 11 16:01:27.156 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:01:27.156 INFO [stderr] 
Dec 11 16:01:27.172 INFO [stderr] warning: unused import: `Callable`
Dec 11 16:01:27.172 INFO [stderr]  --> src/interpreter.rs:5:29
Dec 11 16:01:27.172 INFO [stderr]   |
Dec 11 16:01:27.172 INFO [stderr] 5 | use lox_object::{LoxObject, Callable};
Dec 11 16:01:27.172 INFO [stderr]   |                             ^^^^^^^^
Dec 11 16:01:27.172 INFO [stderr]   |
Dec 11 16:01:27.172 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 16:01:27.172 INFO [stderr] 
Dec 11 16:01:27.172 INFO [stderr] warning: unused variable: `interpreter`
Dec 11 16:01:27.172 INFO [stderr]   --> src/native_functions.rs:13:20
Dec 11 16:01:27.172 INFO [stderr]    |
Dec 11 16:01:27.172 INFO [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
Dec 11 16:01:27.172 INFO [stderr]    |                    ^^^^^^^^^^^ help: consider using `_interpreter` instead
Dec 11 16:01:27.172 INFO [stderr]    |
Dec 11 16:01:27.172 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:01:27.172 INFO [stderr] 
Dec 11 16:01:27.172 INFO [stderr] warning: unused variable: `arguments`
Dec 11 16:01:27.172 INFO [stderr]   --> src/native_functions.rs:13:51
Dec 11 16:01:27.172 INFO [stderr]    |
Dec 11 16:01:27.172 INFO [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
Dec 11 16:01:27.172 INFO [stderr]    |                                                   ^^^^^^^^^ help: consider using `_arguments` instead
Dec 11 16:01:27.172 INFO [stderr] 
Dec 11 16:01:27.199 INFO [stderr] warning: unused variable: `interpreter`
Dec 11 16:01:27.199 INFO [stderr]   --> src/native_functions.rs:13:20
Dec 11 16:01:27.199 INFO [stderr]    |
Dec 11 16:01:27.199 INFO [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
Dec 11 16:01:27.199 INFO [stderr]    |                    ^^^^^^^^^^^ help: consider using `_interpreter` instead
Dec 11 16:01:27.199 INFO [stderr]    |
Dec 11 16:01:27.199 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:01:27.199 INFO [stderr] 
Dec 11 16:01:27.199 INFO [stderr] warning: unused variable: `arguments`
Dec 11 16:01:27.199 INFO [stderr]   --> src/native_functions.rs:13:51
Dec 11 16:01:27.199 INFO [stderr]    |
Dec 11 16:01:27.199 INFO [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
Dec 11 16:01:27.199 INFO [stderr]    |                                                   ^^^^^^^^^ help: consider using `_arguments` instead
Dec 11 16:01:27.199 INFO [stderr] 
Dec 11 16:01:27.264 INFO [stderr] warning: method is never used: `line_error`
Dec 11 16:01:27.264 INFO [stderr]   --> src/lox.rs:78:5
Dec 11 16:01:27.264 INFO [stderr]    |
Dec 11 16:01:27.264 INFO [stderr] 78 |     fn line_error(&mut self, line: i32, message: &str) {
Dec 11 16:01:27.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:01:27.264 INFO [stderr]    |
Dec 11 16:01:27.264 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:01:27.264 INFO [stderr] 
Dec 11 16:01:27.264 INFO [stderr] warning: field is never used: `line`
Dec 11 16:01:27.264 INFO [stderr]    --> src/scanner.rs:325:5
Dec 11 16:01:27.264 INFO [stderr]     |
Dec 11 16:01:27.264 INFO [stderr] 325 |     line: i32,
Dec 11 16:01:27.264 INFO [stderr]     |     ^^^^^^^^^
Dec 11 16:01:27.264 INFO [stderr] 
Dec 11 16:01:27.264 INFO [stderr] warning: field is never used: `message`
Dec 11 16:01:27.264 INFO [stderr]    --> src/scanner.rs:326:5
Dec 11 16:01:27.264 INFO [stderr]     |
Dec 11 16:01:27.264 INFO [stderr] 326 |     message: String,
Dec 11 16:01:27.264 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 11 16:01:27.265 INFO [stderr] 
Dec 11 16:01:27.265 INFO [stderr] warning: field is never used: `globals`
Dec 11 16:01:27.265 INFO [stderr]   --> src/interpreter.rs:10:5
Dec 11 16:01:27.265 INFO [stderr]    |
Dec 11 16:01:27.265 INFO [stderr] 10 |     globals: Rc<Environment>,
Dec 11 16:01:27.265 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:01:27.265 INFO [stderr] 
Dec 11 16:01:27.308 INFO [stderr] warning: method is never used: `line_error`
Dec 11 16:01:27.308 INFO [stderr]   --> src/lox.rs:78:5
Dec 11 16:01:27.308 INFO [stderr]    |
Dec 11 16:01:27.308 INFO [stderr] 78 |     fn line_error(&mut self, line: i32, message: &str) {
Dec 11 16:01:27.308 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:01:27.308 INFO [stderr]    |
Dec 11 16:01:27.308 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:01:27.308 INFO [stderr] 
Dec 11 16:01:27.308 INFO [stderr] warning: field is never used: `line`
Dec 11 16:01:27.308 INFO [stderr]    --> src/scanner.rs:325:5
Dec 11 16:01:27.312 INFO [stderr]     |
Dec 11 16:01:27.312 INFO [stderr] 325 |     line: i32,
Dec 11 16:01:27.312 INFO [stderr]     |     ^^^^^^^^^
Dec 11 16:01:27.312 INFO [stderr] 
Dec 11 16:01:27.312 INFO [stderr] warning: field is never used: `message`
Dec 11 16:01:27.312 INFO [stderr]    --> src/scanner.rs:326:5
Dec 11 16:01:27.312 INFO [stderr]     |
Dec 11 16:01:27.312 INFO [stderr] 326 |     message: String,
Dec 11 16:01:27.312 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Dec 11 16:01:27.312 INFO [stderr] 
Dec 11 16:01:27.312 INFO [stderr] warning: field is never used: `globals`
Dec 11 16:01:27.312 INFO [stderr]   --> src/interpreter.rs:10:5
Dec 11 16:01:27.312 INFO [stderr]    |
Dec 11 16:01:27.312 INFO [stderr] 10 |     globals: Rc<Environment>,
Dec 11 16:01:27.312 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:01:27.312 INFO [stderr] 
Dec 11 16:01:27.340 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 11 16:01:27.348 INFO [stderr] su: No module specific data is present
Dec 11 16:01:27.882 INFO running `"docker" "inspect" "7ca16d8d653d4b01a245f261f9e98895da317181e8ad2a108c5fc14d5ca5bc61"`
Dec 11 16:01:28.080 INFO running `"docker" "rm" "-f" "7ca16d8d653d4b01a245f261f9e98895da317181e8ad2a108c5fc14d5ca5bc61"`
Dec 11 16:01:28.284 INFO [stdout] 7ca16d8d653d4b01a245f261f9e98895da317181e8ad2a108c5fc14d5ca5bc61