[INFO] updating cached repository jstnlef/rlox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jstnlef/rlox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jstnlef/rlox" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/jstnlef/rlox"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/jstnlef/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jstnlef/rlox" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/jstnlef/rlox"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/jstnlef/rlox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b2539933766d572a8c9398610d36cf33d64e0bf
[INFO] sha for GitHub repo jstnlef/rlox: 5b2539933766d572a8c9398610d36cf33d64e0bf
[INFO] validating manifest of jstnlef/rlox on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jstnlef/rlox on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jstnlef/rlox
[INFO] finished frobbing jstnlef/rlox
[INFO] frobbed toml for jstnlef/rlox written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/jstnlef/rlox/Cargo.toml
[INFO] started frobbing jstnlef/rlox
[INFO] finished frobbing jstnlef/rlox
[INFO] frobbed toml for jstnlef/rlox written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/jstnlef/rlox/Cargo.toml
[INFO] crate jstnlef/rlox has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jstnlef/rlox against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-0/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/jstnlef/rlox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 621c7c3583194ae37dcb8391355f00aa1e700c983ca566ebe24d84bfa1595f41
[INFO] running `"docker" "start" "-a" "621c7c3583194ae37dcb8391355f00aa1e700c983ca566ebe24d84bfa1595f41"`
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]     Checking rlox v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Callable`
[INFO] [stderr]  --> src/interpreter.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use lox_object::{LoxObject, Callable};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interpreter`
[INFO] [stderr]   --> src/native_functions.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: consider using `_interpreter` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arguments`
[INFO] [stderr]   --> src/native_functions.rs:13:51
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: consider using `_arguments` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Callable`
[INFO] [stderr]  --> src/interpreter.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use lox_object::{LoxObject, Callable};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `interpreter`
[INFO] [stderr]   --> src/native_functions.rs:13:20
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stderr]    |                    ^^^^^^^^^^^ help: consider using `_interpreter` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arguments`
[INFO] [stderr]   --> src/native_functions.rs:13:51
[INFO] [stderr]    |
[INFO] [stderr] 13 |     fn call(&self, interpreter: &mut Interpreter, arguments: &[LoxObject]) -> RuntimeResult<LoxObject> {
[INFO] [stderr]    |                                                   ^^^^^^^^^ help: consider using `_arguments` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `line_error`
[INFO] [stderr]   --> src/lox.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn line_error(&mut self, line: i32, message: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line`
[INFO] [stderr]    --> src/scanner.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     line: i32,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]    --> src/scanner.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     message: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `globals`
[INFO] [stderr]   --> src/interpreter.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     globals: Rc<Environment>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `line_error`
[INFO] [stderr]   --> src/lox.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn line_error(&mut self, line: i32, message: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `line`
[INFO] [stderr]    --> src/scanner.rs:325:5
[INFO] [stderr]     |
[INFO] [stderr] 325 |     line: i32,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `message`
[INFO] [stderr]    --> src/scanner.rs:326:5
[INFO] [stderr]     |
[INFO] [stderr] 326 |     message: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `globals`
[INFO] [stderr]   --> src/interpreter.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     globals: Rc<Environment>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "621c7c3583194ae37dcb8391355f00aa1e700c983ca566ebe24d84bfa1595f41"`
[INFO] running `"docker" "rm" "-f" "621c7c3583194ae37dcb8391355f00aa1e700c983ca566ebe24d84bfa1595f41"`
[INFO] [stdout] 621c7c3583194ae37dcb8391355f00aa1e700c983ca566ebe24d84bfa1595f41