Dec 17 20:53:55.251 INFO checking lasagnaphil/rust-lox against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:53:55.251 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/lasagnaphil/rust-lox:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:53:55.744 INFO [stdout] ed3adda89f6c58f8d76d82ca07d7a450f74fc707193fc79b21d02a987741632f
Dec 17 20:53:55.746 INFO running `"docker" "start" "-a" "ed3adda89f6c58f8d76d82ca07d7a450f74fc707193fc79b21d02a987741632f"`
Dec 17 20:53:57.269 INFO [stderr]     Checking rlox v0.1.0 (/opt/crater/workdir)
Dec 17 20:53:57.760 INFO [stderr] warning: method is never used: `synchronize`
Dec 17 20:53:57.760 INFO [stderr]    --> src/parser.rs:115:5
Dec 17 20:53:57.760 INFO [stderr]     |
Dec 17 20:53:57.760 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 17 20:53:57.760 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:53:57.760 INFO [stderr]     |
Dec 17 20:53:57.760 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 20:53:57.760 INFO [stderr] 
Dec 17 20:53:57.788 INFO [stderr] warning: method is never used: `synchronize`
Dec 17 20:53:57.788 INFO [stderr]    --> src/parser.rs:115:5
Dec 17 20:53:57.788 INFO [stderr]     |
Dec 17 20:53:57.788 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 17 20:53:57.788 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:53:57.788 INFO [stderr]     |
Dec 17 20:53:57.788 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 17 20:53:57.788 INFO [stderr] 
Dec 17 20:53:58.121 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:53:58.122 INFO [stderr]   --> src/main.rs:13:9
Dec 17 20:53:58.122 INFO [stderr]    |
Dec 17 20:53:58.122 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 17 20:53:58.122 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:53:58.122 INFO [stderr]    |
Dec 17 20:53:58.122 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:53:58.122 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:53:58.122 INFO [stderr] 
Dec 17 20:53:58.122 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:53:58.122 INFO [stderr]   --> src/main.rs:16:9
Dec 17 20:53:58.122 INFO [stderr]    |
Dec 17 20:53:58.122 INFO [stderr] 16 |         lox::run_prompt();
Dec 17 20:53:58.122 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 17 20:53:58.122 INFO [stderr]    |
Dec 17 20:53:58.122 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:53:58.122 INFO [stderr] 
Dec 17 20:53:58.207 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:53:58.207 INFO [stderr]   --> src/main.rs:13:9
Dec 17 20:53:58.207 INFO [stderr]    |
Dec 17 20:53:58.207 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 17 20:53:58.207 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 20:53:58.207 INFO [stderr]    |
Dec 17 20:53:58.207 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 20:53:58.207 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:53:58.207 INFO [stderr] 
Dec 17 20:53:58.207 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 20:53:58.207 INFO [stderr]   --> src/main.rs:16:9
Dec 17 20:53:58.207 INFO [stderr]    |
Dec 17 20:53:58.207 INFO [stderr] 16 |         lox::run_prompt();
Dec 17 20:53:58.207 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 17 20:53:58.207 INFO [stderr]    |
Dec 17 20:53:58.207 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 20:53:58.207 INFO [stderr] 
Dec 17 20:53:58.233 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
Dec 17 20:53:59.068 INFO running `"docker" "inspect" "ed3adda89f6c58f8d76d82ca07d7a450f74fc707193fc79b21d02a987741632f"`
Dec 17 20:53:59.280 INFO running `"docker" "rm" "-f" "ed3adda89f6c58f8d76d82ca07d7a450f74fc707193fc79b21d02a987741632f"`
Dec 17 20:53:59.592 INFO [stdout] ed3adda89f6c58f8d76d82ca07d7a450f74fc707193fc79b21d02a987741632f