Dec 04 15:20:32.990 INFO checking lasagnaphil/rust-lox against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:20:32.990 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 15:20:33.352 INFO [stdout] 581dc72d32e80dd68a7fd26e89eaba9251c414dcf651bb57d37095621fce9622
Dec 04 15:20:33.354 INFO running `"docker" "start" "-a" "581dc72d32e80dd68a7fd26e89eaba9251c414dcf651bb57d37095621fce9622"`
Dec 04 15:20:34.639 INFO [stderr] usermod: no changes
Dec 04 15:20:34.681 INFO [stderr]     Checking rlox v0.1.0 (/source)
Dec 04 15:20:35.163 INFO [stderr] warning: method is never used: `synchronize`
Dec 04 15:20:35.163 INFO [stderr]    --> src/parser.rs:115:5
Dec 04 15:20:35.163 INFO [stderr]     |
Dec 04 15:20:35.163 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 04 15:20:35.163 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:20:35.163 INFO [stderr]     |
Dec 04 15:20:35.163 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 15:20:35.163 INFO [stderr] 
Dec 04 15:20:35.328 INFO [stderr] warning: method is never used: `synchronize`
Dec 04 15:20:35.328 INFO [stderr]    --> src/parser.rs:115:5
Dec 04 15:20:35.328 INFO [stderr]     |
Dec 04 15:20:35.328 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 04 15:20:35.329 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:20:35.329 INFO [stderr]     |
Dec 04 15:20:35.329 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 15:20:35.329 INFO [stderr] 
Dec 04 15:20:35.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:20:35.627 INFO [stderr]   --> src/main.rs:13:9
Dec 04 15:20:35.627 INFO [stderr]    |
Dec 04 15:20:35.627 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 04 15:20:35.627 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:20:35.627 INFO [stderr]    |
Dec 04 15:20:35.627 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:20:35.627 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:20:35.627 INFO [stderr] 
Dec 04 15:20:35.627 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:20:35.627 INFO [stderr]   --> src/main.rs:16:9
Dec 04 15:20:35.627 INFO [stderr]    |
Dec 04 15:20:35.627 INFO [stderr] 16 |         lox::run_prompt();
Dec 04 15:20:35.627 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 04 15:20:35.627 INFO [stderr]    |
Dec 04 15:20:35.627 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:20:35.627 INFO [stderr] 
Dec 04 15:20:35.760 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:20:35.760 INFO [stderr]   --> src/main.rs:13:9
Dec 04 15:20:35.760 INFO [stderr]    |
Dec 04 15:20:35.760 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 04 15:20:35.760 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:20:35.760 INFO [stderr]    |
Dec 04 15:20:35.760 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 15:20:35.760 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:20:35.760 INFO [stderr] 
Dec 04 15:20:35.760 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 15:20:35.760 INFO [stderr]   --> src/main.rs:16:9
Dec 04 15:20:35.760 INFO [stderr]    |
Dec 04 15:20:35.760 INFO [stderr] 16 |         lox::run_prompt();
Dec 04 15:20:35.760 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 04 15:20:35.760 INFO [stderr]    |
Dec 04 15:20:35.761 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 15:20:35.761 INFO [stderr] 
Dec 04 15:20:35.768 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 04 15:20:35.770 INFO [stderr] su: No module specific data is present
Dec 04 15:20:36.157 INFO running `"docker" "inspect" "581dc72d32e80dd68a7fd26e89eaba9251c414dcf651bb57d37095621fce9622"`
Dec 04 15:20:36.339 INFO running `"docker" "rm" "-f" "581dc72d32e80dd68a7fd26e89eaba9251c414dcf651bb57d37095621fce9622"`
Dec 04 15:20:36.527 INFO [stdout] 581dc72d32e80dd68a7fd26e89eaba9251c414dcf651bb57d37095621fce9622