Dec 17 21:42:29.523 INFO checking katrinasm/exlev against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:42:29.523 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/katrinasm/exlev:/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 17 21:42:29.976 INFO [stdout] 91cd949ac1c765bd0e08450e1bf025df1a74790f7ebdf30cb506cf20335bbf1a
Dec 17 21:42:29.978 INFO running `"docker" "start" "-a" "91cd949ac1c765bd0e08450e1bf025df1a74790f7ebdf30cb506cf20335bbf1a"`
Dec 17 21:42:31.840 INFO [stderr]     Checking peresil v0.3.0
Dec 17 21:42:32.373 INFO [stderr]     Checking sxd-document v0.2.3
Dec 17 21:42:34.001 INFO [stderr]     Checking sxd-xpath v0.4.0
Dec 17 21:42:35.773 INFO [stderr]     Checking exlev v0.1.0 (/opt/crater/workdir)
Dec 17 21:42:37.559 INFO [stderr] warning: type alias is never used: `CResult`
Dec 17 21:42:37.559 INFO [stderr]  --> src/compression/mod.rs:9:1
Dec 17 21:42:37.560 INFO [stderr]   |
Dec 17 21:42:37.560 INFO [stderr] 9 | type CResult<V> = Result<V, CErr>;
Dec 17 21:42:37.560 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.561 INFO [stderr]   |
Dec 17 21:42:37.561 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 21:42:37.561 INFO [stderr] 
Dec 17 21:42:37.570 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:42:37.571 INFO [stderr]   --> src/level_table.rs:43:5
Dec 17 21:42:37.571 INFO [stderr]    |
Dec 17 21:42:37.571 INFO [stderr] 43 |     set_version(rombytes, level);
Dec 17 21:42:37.572 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.572 INFO [stderr]    |
Dec 17 21:42:37.572 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:42:37.573 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:42:37.573 INFO [stderr] 
Dec 17 21:42:37.876 INFO [stderr] warning: type alias is never used: `CResult`
Dec 17 21:42:37.876 INFO [stderr]  --> src/compression/mod.rs:9:1
Dec 17 21:42:37.876 INFO [stderr]   |
Dec 17 21:42:37.876 INFO [stderr] 9 | type CResult<V> = Result<V, CErr>;
Dec 17 21:42:37.876 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.876 INFO [stderr]   |
Dec 17 21:42:37.876 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 21:42:37.876 INFO [stderr] 
Dec 17 21:42:37.883 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:42:37.884 INFO [stderr]   --> src/level_table.rs:43:5
Dec 17 21:42:37.884 INFO [stderr]    |
Dec 17 21:42:37.884 INFO [stderr] 43 |     set_version(rombytes, level);
Dec 17 21:42:37.884 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.884 INFO [stderr]    |
Dec 17 21:42:37.884 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:42:37.884 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:42:37.884 INFO [stderr] 
Dec 17 21:42:37.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.15s
Dec 17 21:42:39.068 INFO running `"docker" "inspect" "91cd949ac1c765bd0e08450e1bf025df1a74790f7ebdf30cb506cf20335bbf1a"`
Dec 17 21:42:39.448 INFO running `"docker" "rm" "-f" "91cd949ac1c765bd0e08450e1bf025df1a74790f7ebdf30cb506cf20335bbf1a"`
Dec 17 21:42:39.780 INFO [stdout] 91cd949ac1c765bd0e08450e1bf025df1a74790f7ebdf30cb506cf20335bbf1a