Dec 05 13:45:51.077 INFO checking flexlint-0.2.4 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 13:45:51.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 13:45:51.362 INFO [stdout] 55e4db0b464bcd342ec73b440694b53009b9467133505140a0ab91e430780c49
Dec 05 13:45:51.364 INFO running `"docker" "start" "-a" "55e4db0b464bcd342ec73b440694b53009b9467133505140a0ab91e430780c49"`
Dec 05 13:45:52.474 INFO [stderr] usermod: no changes
Dec 05 13:45:52.598 INFO [stderr]     Checking flexlint v0.2.4 (/source)
Dec 05 13:45:55.976 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:45:55.976 INFO [stderr]    --> src/printer.rs:127:13
Dec 05 13:45:55.976 INFO [stderr]     |
Dec 05 13:45:55.976 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 05 13:45:55.976 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:45:55.976 INFO [stderr]     |
Dec 05 13:45:55.976 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 13:45:55.976 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:45:55.976 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 13:45:55.976 INFO [stderr] 
Dec 05 13:45:56.227 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 13:45:56.227 INFO [stderr]    --> src/printer.rs:127:13
Dec 05 13:45:56.227 INFO [stderr]     |
Dec 05 13:45:56.227 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 05 13:45:56.227 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 13:45:56.227 INFO [stderr]     |
Dec 05 13:45:56.227 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 13:45:56.227 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 13:45:56.227 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 13:45:56.227 INFO [stderr] 
Dec 05 13:45:56.266 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
Dec 05 13:45:56.279 INFO [stderr] su: No module specific data is present
Dec 05 13:45:56.811 INFO running `"docker" "inspect" "55e4db0b464bcd342ec73b440694b53009b9467133505140a0ab91e430780c49"`
Dec 05 13:45:56.976 INFO running `"docker" "rm" "-f" "55e4db0b464bcd342ec73b440694b53009b9467133505140a0ab91e430780c49"`
Dec 05 13:45:57.202 INFO [stdout] 55e4db0b464bcd342ec73b440694b53009b9467133505140a0ab91e430780c49