Nov 28 19:26:05.666 INFO checking ronfmt-0.1.0 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 19:26:05.666 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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"`
Nov 28 19:26:06.204 INFO [stdout] 0b3ff45ad904b2278ae570bb37de745eff70eecad265641209b9bec68c2f84eb
Nov 28 19:26:06.208 INFO running `"docker" "start" "-a" "0b3ff45ad904b2278ae570bb37de745eff70eecad265641209b9bec68c2f84eb"`
Nov 28 19:26:07.226 INFO [stderr] usermod: no changes
Nov 28 19:26:07.329 INFO [stderr]     Checking ronfmt v0.1.0 (/source)
Nov 28 19:26:10.054 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 19:26:10.054 INFO [stderr]   --> src/ast/display.rs:10:13
Nov 28 19:26:10.054 INFO [stderr]    |
Nov 28 19:26:10.054 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Nov 28 19:26:10.054 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:26:10.054 INFO [stderr]    |
Nov 28 19:26:10.054 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 19:26:10.054 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 19:26:10.054 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)
Nov 28 19:26:10.054 INFO [stderr] 
Nov 28 19:26:10.412 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 19:26:10.412 INFO [stderr]   --> src/ast/display.rs:10:13
Nov 28 19:26:10.412 INFO [stderr]    |
Nov 28 19:26:10.412 INFO [stderr] 10 |             writeln!(f, "#![enable({})]", extensions.iter().join(", "));
Nov 28 19:26:10.412 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 19:26:10.412 INFO [stderr]    |
Nov 28 19:26:10.412 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 19:26:10.412 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 19:26:10.412 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)
Nov 28 19:26:10.412 INFO [stderr] 
Nov 28 19:26:10.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
Nov 28 19:26:10.482 INFO [stderr] su: No module specific data is present
Nov 28 19:26:10.827 INFO running `"docker" "inspect" "0b3ff45ad904b2278ae570bb37de745eff70eecad265641209b9bec68c2f84eb"`
Nov 28 19:26:11.151 INFO running `"docker" "rm" "-f" "0b3ff45ad904b2278ae570bb37de745eff70eecad265641209b9bec68c2f84eb"`
Nov 28 19:26:11.348 INFO [stdout] 0b3ff45ad904b2278ae570bb37de745eff70eecad265641209b9bec68c2f84eb