Dec 19 13:50:18.857 INFO checking lasagnaphil/rust-lox against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:50:18.858 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:50:19.386 INFO [stdout] 2caa9f6e6a71e2f3d834396a3e7ae8ca578f41761d6eb053059943cabb7427fe
Dec 19 13:50:19.388 INFO running `"docker" "start" "-a" "2caa9f6e6a71e2f3d834396a3e7ae8ca578f41761d6eb053059943cabb7427fe"`
Dec 19 13:50:20.721 INFO [stderr]     Checking rlox v0.1.0 (/opt/crater/workdir)
Dec 19 13:50:21.248 INFO [stderr] warning: method is never used: `synchronize`
Dec 19 13:50:21.248 INFO [stderr]    --> src/parser.rs:115:5
Dec 19 13:50:21.248 INFO [stderr]     |
Dec 19 13:50:21.248 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 19 13:50:21.248 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:21.248 INFO [stderr]     |
Dec 19 13:50:21.248 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 13:50:21.248 INFO [stderr] 
Dec 19 13:50:21.552 INFO [stderr] warning: method is never used: `synchronize`
Dec 19 13:50:21.552 INFO [stderr]    --> src/parser.rs:115:5
Dec 19 13:50:21.552 INFO [stderr]     |
Dec 19 13:50:21.552 INFO [stderr] 115 |     fn synchronize(&mut self) {
Dec 19 13:50:21.552 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:21.552 INFO [stderr]     |
Dec 19 13:50:21.552 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 13:50:21.552 INFO [stderr] 
Dec 19 13:50:21.692 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:50:21.692 INFO [stderr]   --> src/main.rs:13:9
Dec 19 13:50:21.692 INFO [stderr]    |
Dec 19 13:50:21.692 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 19 13:50:21.692 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:21.692 INFO [stderr]    |
Dec 19 13:50:21.692 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:50:21.692 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:50:21.692 INFO [stderr] 
Dec 19 13:50:21.692 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:50:21.692 INFO [stderr]   --> src/main.rs:16:9
Dec 19 13:50:21.692 INFO [stderr]    |
Dec 19 13:50:21.692 INFO [stderr] 16 |         lox::run_prompt();
Dec 19 13:50:21.692 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 19 13:50:21.692 INFO [stderr]    |
Dec 19 13:50:21.692 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:50:21.692 INFO [stderr] 
Dec 19 13:50:21.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:50:21.732 INFO [stderr]   --> src/main.rs:13:9
Dec 19 13:50:21.732 INFO [stderr]    |
Dec 19 13:50:21.732 INFO [stderr] 13 |         lox::run_file(&args[1]);
Dec 19 13:50:21.732 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:50:21.732 INFO [stderr]    |
Dec 19 13:50:21.732 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 13:50:21.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:50:21.732 INFO [stderr] 
Dec 19 13:50:21.732 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 13:50:21.732 INFO [stderr]   --> src/main.rs:16:9
Dec 19 13:50:21.732 INFO [stderr]    |
Dec 19 13:50:21.732 INFO [stderr] 16 |         lox::run_prompt();
Dec 19 13:50:21.732 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^
Dec 19 13:50:21.732 INFO [stderr]    |
Dec 19 13:50:21.732 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 13:50:21.732 INFO [stderr] 
Dec 19 13:50:21.764 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 19 13:50:22.566 INFO running `"docker" "inspect" "2caa9f6e6a71e2f3d834396a3e7ae8ca578f41761d6eb053059943cabb7427fe"`
Dec 19 13:50:22.868 INFO running `"docker" "rm" "-f" "2caa9f6e6a71e2f3d834396a3e7ae8ca578f41761d6eb053059943cabb7427fe"`
Dec 19 13:50:23.172 INFO [stdout] 2caa9f6e6a71e2f3d834396a3e7ae8ca578f41761d6eb053059943cabb7427fe