Dec 18 09:11:58.608 INFO checking wort-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 09:11:58.608 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/wort/0.1.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 09:11:59.041 INFO [stdout] 11ab22898ca9735199b273329483f91b26e1235975ddf10be2904f6c8b611eaf
Dec 18 09:11:59.046 INFO running `"docker" "start" "-a" "11ab22898ca9735199b273329483f91b26e1235975ddf10be2904f6c8b611eaf"`
Dec 18 09:12:01.020 INFO [stderr]     Checking clap v2.32.0
Dec 18 09:12:07.441 INFO [stderr]     Checking wort v0.1.0 (/opt/crater/workdir)
Dec 18 09:12:10.596 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:12:10.597 INFO [stderr]   --> src/main.rs:21:9
Dec 18 09:12:10.597 INFO [stderr]    |
Dec 18 09:12:10.597 INFO [stderr] 21 | /         viewer(
Dec 18 09:12:10.597 INFO [stderr] 22 | |             cmd.value_of("database").unwrap(),
Dec 18 09:12:10.598 INFO [stderr] 23 | |             cmd.value_of("dataset_id").unwrap(),
Dec 18 09:12:10.598 INFO [stderr] 24 | |         );
Dec 18 09:12:10.598 INFO [stderr]    | |__________^
Dec 18 09:12:10.598 INFO [stderr]    |
Dec 18 09:12:10.599 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 09:12:10.599 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:12:10.599 INFO [stderr] 
Dec 18 09:12:11.112 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 09:12:11.112 INFO [stderr]   --> src/main.rs:21:9
Dec 18 09:12:11.112 INFO [stderr]    |
Dec 18 09:12:11.112 INFO [stderr] 21 | /         viewer(
Dec 18 09:12:11.112 INFO [stderr] 22 | |             cmd.value_of("database").unwrap(),
Dec 18 09:12:11.112 INFO [stderr] 23 | |             cmd.value_of("dataset_id").unwrap(),
Dec 18 09:12:11.112 INFO [stderr] 24 | |         );
Dec 18 09:12:11.112 INFO [stderr]    | |__________^
Dec 18 09:12:11.112 INFO [stderr]    |
Dec 18 09:12:11.112 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 09:12:11.112 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 09:12:11.112 INFO [stderr] 
Dec 18 09:12:11.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
Dec 18 09:12:12.487 INFO running `"docker" "inspect" "11ab22898ca9735199b273329483f91b26e1235975ddf10be2904f6c8b611eaf"`
Dec 18 09:12:12.854 INFO running `"docker" "rm" "-f" "11ab22898ca9735199b273329483f91b26e1235975ddf10be2904f6c8b611eaf"`
Dec 18 09:12:13.245 INFO [stdout] 11ab22898ca9735199b273329483f91b26e1235975ddf10be2904f6c8b611eaf