Dec 05 01:16:09.758 INFO checking MashPlant/decaf against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 01:16:09.758 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 05 01:16:10.374 INFO [stdout] 3d3b33055d56cc8e5bfcc9ccd62fcbdb6982c1c252653ba291d466439c88132c
Dec 05 01:16:10.376 INFO running `"docker" "start" "-a" "3d3b33055d56cc8e5bfcc9ccd62fcbdb6982c1c252653ba291d466439c88132c"`
Dec 05 01:16:11.490 INFO [stderr] usermod: no changes
Dec 05 01:16:11.599 INFO [stderr]     Checking backend v0.1.0 (/source/src/backend)
Dec 05 01:16:11.620 INFO [stderr]     Checking regex v0.2.11
Dec 05 01:16:14.972 INFO [stderr]     Checking decaf v0.1.0 (/source)
Dec 05 01:16:21.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:16:21.863 INFO [stderr]   --> src/types.rs:74:11
Dec 05 01:16:21.863 INFO [stderr]    |
Dec 05 01:16:21.863 INFO [stderr] 74 |           write!(f, "{}->", parameter.type_.sem);
Dec 05 01:16:21.863 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:16:21.863 INFO [stderr]    |
Dec 05 01:16:21.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:16:21.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:16:21.863 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 01:16:21.863 INFO [stderr] 
Dec 05 01:16:22.367 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:16:22.367 INFO [stderr]    --> src/symbol.rs:158:11
Dec 05 01:16:22.367 INFO [stderr]     |
Dec 05 01:16:22.368 INFO [stderr] 158 |           write!(f, "{} -> class {}", class.loc, class.name);
Dec 05 01:16:22.368 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:16:22.368 INFO [stderr]     |
Dec 05 01:16:22.369 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:16:22.369 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 01:16:22.369 INFO [stderr] 
Dec 05 01:16:22.647 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:16:22.648 INFO [stderr]   --> src/types.rs:74:11
Dec 05 01:16:22.648 INFO [stderr]    |
Dec 05 01:16:22.648 INFO [stderr] 74 |           write!(f, "{}->", parameter.type_.sem);
Dec 05 01:16:22.649 INFO [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:16:22.649 INFO [stderr]    |
Dec 05 01:16:22.649 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 01:16:22.659 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:16:22.659 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 01:16:22.660 INFO [stderr] 
Dec 05 01:16:22.949 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 01:16:22.949 INFO [stderr]    --> src/symbol.rs:158:11
Dec 05 01:16:22.949 INFO [stderr]     |
Dec 05 01:16:22.949 INFO [stderr] 158 |           write!(f, "{} -> class {}", class.loc, class.name);
Dec 05 01:16:22.949 INFO [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:16:22.949 INFO [stderr]     |
Dec 05 01:16:22.949 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 01:16:22.949 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 01:16:22.949 INFO [stderr] 
Dec 05 01:16:23.058 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.54s
Dec 05 01:16:23.062 INFO [stderr] su: No module specific data is present
Dec 05 01:16:24.475 INFO running `"docker" "inspect" "3d3b33055d56cc8e5bfcc9ccd62fcbdb6982c1c252653ba291d466439c88132c"`
Dec 05 01:16:24.821 INFO running `"docker" "rm" "-f" "3d3b33055d56cc8e5bfcc9ccd62fcbdb6982c1c252653ba291d466439c88132c"`
Dec 05 01:16:25.235 INFO [stdout] 3d3b33055d56cc8e5bfcc9ccd62fcbdb6982c1c252653ba291d466439c88132c