Dec 18 16:27:44.594 INFO checking flexlint-0.2.4 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:27:44.594 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/flexlint/0.2.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:27:44.818 INFO [stdout] e0450ddbc7a281c7b6f12303979aa60819603ade0709b1f93126c80b5553d4e9
Dec 18 16:27:44.820 INFO running `"docker" "start" "-a" "e0450ddbc7a281c7b6f12303979aa60819603ade0709b1f93126c80b5553d4e9"`
Dec 18 16:27:45.732 INFO [stderr]     Checking flexlint v0.2.4 (/opt/crater/workdir)
Dec 18 16:27:47.491 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:27:47.491 INFO [stderr]    --> src/printer.rs:127:13
Dec 18 16:27:47.491 INFO [stderr]     |
Dec 18 16:27:47.491 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 18 16:27:47.491 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:27:47.491 INFO [stderr]     |
Dec 18 16:27:47.491 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 16:27:47.491 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:27:47.491 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 18 16:27:47.491 INFO [stderr] 
Dec 18 16:27:47.728 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 16:27:47.728 INFO [stderr]    --> src/printer.rs:127:13
Dec 18 16:27:47.728 INFO [stderr]     |
Dec 18 16:27:47.728 INFO [stderr] 127 |             write!(term, "{}", dat);
Dec 18 16:27:47.728 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 16:27:47.728 INFO [stderr]     |
Dec 18 16:27:47.728 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 16:27:47.728 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 16:27:47.728 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 18 16:27:47.728 INFO [stderr] 
Dec 18 16:27:47.774 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
Dec 18 16:27:48.174 INFO running `"docker" "inspect" "e0450ddbc7a281c7b6f12303979aa60819603ade0709b1f93126c80b5553d4e9"`
Dec 18 16:27:48.342 INFO running `"docker" "rm" "-f" "e0450ddbc7a281c7b6f12303979aa60819603ade0709b1f93126c80b5553d4e9"`
Dec 18 16:27:48.688 INFO [stdout] e0450ddbc7a281c7b6f12303979aa60819603ade0709b1f93126c80b5553d4e9