Dec 11 14:56:11.850 INFO checking lasagnaphil/rust-lox against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:56:11.850 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 14:56:12.408 INFO [stdout] 26f56a8542137099f73e188d39ba1f1c8e28829764c7e6b1a9b94f9d8b54737c
Dec 11 14:56:12.408 INFO running `"docker" "start" "-a" "26f56a8542137099f73e188d39ba1f1c8e28829764c7e6b1a9b94f9d8b54737c"`
Dec 11 14:56:13.556 INFO [stderr] usermod: no changes
Dec 11 14:56:13.636 INFO [stderr]     Checking rlox v0.1.0 (/source)
Dec 11 14:56:14.584 INFO [stderr] warning: method is never used: `synchronize`
Dec 11 14:56:14.584 INFO [stderr]    --> src/parser.rs:115:5
Dec 11 14:56:14.584 INFO [stderr]     |
Dec 11 14:56:14.584 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 11 14:56:14.584 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:56:14.584 INFO [stderr]     |
Dec 11 14:56:14.584 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 14:56:14.584 INFO [stderr] 
Dec 11 14:56:14.840 INFO [stderr] warning: method is never used: `synchronize`
Dec 11 14:56:14.840 INFO [stderr]    --> src/parser.rs:115:5
Dec 11 14:56:14.840 INFO [stderr]     |
Dec 11 14:56:14.840 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 11 14:56:14.840 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:56:14.840 INFO [stderr]     |
Dec 11 14:56:14.840 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 14:56:14.840 INFO [stderr] 
Dec 11 14:56:15.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:56:15.076 INFO [stderr]   --> src/main.rs:13:9
Dec 11 14:56:15.076 INFO [stderr]    |
Dec 11 14:56:15.076 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 11 14:56:15.076 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:56:15.076 INFO [stderr]    |
Dec 11 14:56:15.076 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:56:15.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:56:15.076 INFO [stderr] 
Dec 11 14:56:15.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:56:15.076 INFO [stderr]   --> src/main.rs:16:9
Dec 11 14:56:15.076 INFO [stderr]    |
Dec 11 14:56:15.076 INFO [stderr] 16 |         lox::run_prompt();
Dec 11 14:56:15.076 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 11 14:56:15.076 INFO [stderr]    |
Dec 11 14:56:15.076 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:56:15.076 INFO [stderr] 
Dec 11 14:56:15.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:56:15.260 INFO [stderr]   --> src/main.rs:13:9
Dec 11 14:56:15.260 INFO [stderr]    |
Dec 11 14:56:15.260 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 11 14:56:15.260 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 14:56:15.260 INFO [stderr]    |
Dec 11 14:56:15.260 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 14:56:15.260 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:56:15.260 INFO [stderr] 
Dec 11 14:56:15.260 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 14:56:15.260 INFO [stderr]   --> src/main.rs:16:9
Dec 11 14:56:15.260 INFO [stderr]    |
Dec 11 14:56:15.260 INFO [stderr] 16 |         lox::run_prompt();
Dec 11 14:56:15.260 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 11 14:56:15.260 INFO [stderr]    |
Dec 11 14:56:15.260 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 14:56:15.260 INFO [stderr] 
Dec 11 14:56:15.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
Dec 11 14:56:15.282 INFO [stderr] su: No module specific data is present
Dec 11 14:56:16.304 INFO running `"docker" "inspect" "26f56a8542137099f73e188d39ba1f1c8e28829764c7e6b1a9b94f9d8b54737c"`
Dec 11 14:56:16.578 INFO running `"docker" "rm" "-f" "26f56a8542137099f73e188d39ba1f1c8e28829764c7e6b1a9b94f9d8b54737c"`
Dec 11 14:56:16.932 INFO [stdout] 26f56a8542137099f73e188d39ba1f1c8e28829764c7e6b1a9b94f9d8b54737c