Dec 05 00:22:27.936 INFO checking Ristarg/ronfmt against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 00:22:27.936 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 00:22:28.412 INFO [stdout] 85a7661dabc113ae13581502997a2389dc6592e12eea488784f74bd8bccd81b2
Dec 05 00:22:28.415 INFO running `"docker" "start" "-a" "85a7661dabc113ae13581502997a2389dc6592e12eea488784f74bd8bccd81b2"`
Dec 05 00:22:30.189 INFO [stderr] usermod: no changes
Dec 05 00:22:30.251 INFO [stderr] warning: unused manifest key: package.maintenance
Dec 05 00:22:30.363 INFO [stderr]     Checking ronfmt v0.1.0 (/source)
Dec 05 00:22:33.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:22:33.219 INFO [stderr]   --> src/ast/display.rs:10:13
Dec 05 00:22:33.219 INFO [stderr]    |
Dec 05 00:22:33.219 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Dec 05 00:22:33.219 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:22:33.219 INFO [stderr]    |
Dec 05 00:22:33.219 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:22:33.219 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:22:33.219 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 00:22:33.219 INFO [stderr] 
Dec 05 00:22:33.461 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:22:33.461 INFO [stderr]   --> src/ast/display.rs:10:13
Dec 05 00:22:33.461 INFO [stderr]    |
Dec 05 00:22:33.461 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Dec 05 00:22:33.462 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:22:33.462 INFO [stderr]    |
Dec 05 00:22:33.462 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 00:22:33.462 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:22:33.462 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 00:22:33.463 INFO [stderr] 
Dec 05 00:22:33.567 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
Dec 05 00:22:33.580 INFO [stderr] su: No module specific data is present
Dec 05 00:22:34.981 INFO running `"docker" "inspect" "85a7661dabc113ae13581502997a2389dc6592e12eea488784f74bd8bccd81b2"`
Dec 05 00:22:35.281 INFO running `"docker" "rm" "-f" "85a7661dabc113ae13581502997a2389dc6592e12eea488784f74bd8bccd81b2"`
Dec 05 00:22:35.610 INFO [stdout] 85a7661dabc113ae13581502997a2389dc6592e12eea488784f74bd8bccd81b2