Dec 18 03:44:39.575 INFO checking athaeryn/impsort against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:44:39.575 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/athaeryn/impsort:/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 03:44:39.936 INFO [stdout] 6ae5c68c09fce7bfbfef2fd0cc6dd8b442270ce43a172b7666b27260e58ab2b4
Dec 18 03:44:39.942 INFO running `"docker" "start" "-a" "6ae5c68c09fce7bfbfef2fd0cc6dd8b442270ce43a172b7666b27260e58ab2b4"`
Dec 18 03:44:41.494 INFO [stderr]     Checking impsort v0.1.0 (/opt/crater/workdir)
Dec 18 03:44:41.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:44:41.796 INFO [stderr]  --> src/main.rs:6:5
Dec 18 03:44:41.796 INFO [stderr]   |
Dec 18 03:44:41.796 INFO [stderr] 6 |     io::stdin().read_to_string(&mut buffer);
Dec 18 03:44:41.796 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:44:41.796 INFO [stderr]   |
Dec 18 03:44:41.796 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 18 03:44:41.796 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:44:41.796 INFO [stderr] 
Dec 18 03:44:41.934 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:44:41.934 INFO [stderr]  --> src/main.rs:6:5
Dec 18 03:44:41.934 INFO [stderr]   |
Dec 18 03:44:41.934 INFO [stderr] 6 |     io::stdin().read_to_string(&mut buffer);
Dec 18 03:44:41.934 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:44:41.934 INFO [stderr]   |
Dec 18 03:44:41.934 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 18 03:44:41.934 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:44:41.934 INFO [stderr] 
Dec 18 03:44:41.954 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 18 03:44:42.740 INFO running `"docker" "inspect" "6ae5c68c09fce7bfbfef2fd0cc6dd8b442270ce43a172b7666b27260e58ab2b4"`
Dec 18 03:44:42.978 INFO running `"docker" "rm" "-f" "6ae5c68c09fce7bfbfef2fd0cc6dd8b442270ce43a172b7666b27260e58ab2b4"`
Dec 18 03:44:43.232 INFO [stdout] 6ae5c68c09fce7bfbfef2fd0cc6dd8b442270ce43a172b7666b27260e58ab2b4