Dec 12 00:36:40.079 INFO checking Ristarg/ronfmt against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:36:40.079 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 00:36:40.465 INFO [stdout] 09c936636eb7cb6d97de2f3be4267f95ddabead0e707daf1aee79b8a7ec77f41
Dec 12 00:36:40.470 INFO running `"docker" "start" "-a" "09c936636eb7cb6d97de2f3be4267f95ddabead0e707daf1aee79b8a7ec77f41"`
Dec 12 00:36:41.558 INFO [stderr] usermod: no changes
Dec 12 00:36:41.628 INFO [stderr] warning: unused manifest key: package.maintenance
Dec 12 00:36:41.730 INFO [stderr]     Checking ronfmt v0.1.0 (/source)
Dec 12 00:36:44.316 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:36:44.316 INFO [stderr]   --> src/ast/display.rs:10:13
Dec 12 00:36:44.316 INFO [stderr]    |
Dec 12 00:36:44.316 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Dec 12 00:36:44.316 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:36:44.316 INFO [stderr]    |
Dec 12 00:36:44.316 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 00:36:44.316 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:36:44.316 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 12 00:36:44.316 INFO [stderr] 
Dec 12 00:36:44.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:36:44.328 INFO [stderr]   --> src/ast/display.rs:10:13
Dec 12 00:36:44.328 INFO [stderr]    |
Dec 12 00:36:44.328 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Dec 12 00:36:44.328 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:36:44.328 INFO [stderr]    |
Dec 12 00:36:44.328 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 00:36:44.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:36:44.328 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 12 00:36:44.328 INFO [stderr] 
Dec 12 00:36:44.399 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
Dec 12 00:36:44.412 INFO [stderr] su: No module specific data is present
Dec 12 00:36:44.998 INFO running `"docker" "inspect" "09c936636eb7cb6d97de2f3be4267f95ddabead0e707daf1aee79b8a7ec77f41"`
Dec 12 00:36:45.242 INFO running `"docker" "rm" "-f" "09c936636eb7cb6d97de2f3be4267f95ddabead0e707daf1aee79b8a7ec77f41"`
Dec 12 00:36:45.576 INFO [stdout] 09c936636eb7cb6d97de2f3be4267f95ddabead0e707daf1aee79b8a7ec77f41