Dec 17 21:42:29.595 INFO checking katrinasm/exlev against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:42:29.595 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/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:42:30.151 INFO [stdout] ebf00f0ab50072b6f8ceb175267d427d6c7165027712c44775736667406bef09
Dec 17 21:42:30.160 INFO running `"docker" "start" "-a" "ebf00f0ab50072b6f8ceb175267d427d6c7165027712c44775736667406bef09"`
Dec 17 21:42:32.369 INFO [stderr]     Checking peresil v0.3.0
Dec 17 21:42:32.369 INFO [stderr]     Checking typed-arena v1.3.0
Dec 17 21:42:32.986 INFO [stderr]     Checking sxd-document v0.2.3
Dec 17 21:42:34.517 INFO [stderr]     Checking sxd-xpath v0.4.0
Dec 17 21:42:36.208 INFO [stderr]     Checking exlev v0.1.0 (/opt/crater/workdir)
Dec 17 21:42:37.904 INFO [stderr] warning: type alias is never used: `CResult`
Dec 17 21:42:37.904 INFO [stderr]  --> src/compression/mod.rs:9:1
Dec 17 21:42:37.905 INFO [stderr]   |
Dec 17 21:42:37.905 INFO [stderr] 9 | type CResult<V> = Result<V, CErr>;
Dec 17 21:42:37.905 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.905 INFO [stderr]   |
Dec 17 21:42:37.905 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 21:42:37.905 INFO [stderr] 
Dec 17 21:42:37.909 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:42:37.909 INFO [stderr]   --> src/level_table.rs:43:5
Dec 17 21:42:37.909 INFO [stderr]    |
Dec 17 21:42:37.909 INFO [stderr] 43 |     set_version(rombytes, level);
Dec 17 21:42:37.909 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.909 INFO [stderr]    |
Dec 17 21:42:37.909 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:42:37.909 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:42:37.909 INFO [stderr] 
Dec 17 21:42:37.984 INFO [stderr] warning: type alias is never used: `CResult`
Dec 17 21:42:37.984 INFO [stderr]  --> src/compression/mod.rs:9:1
Dec 17 21:42:37.984 INFO [stderr]   |
Dec 17 21:42:37.984 INFO [stderr] 9 | type CResult<V> = Result<V, CErr>;
Dec 17 21:42:37.985 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:37.985 INFO [stderr]   |
Dec 17 21:42:37.985 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 21:42:37.986 INFO [stderr] 
Dec 17 21:42:38.004 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 21:42:38.005 INFO [stderr]   --> src/level_table.rs:43:5
Dec 17 21:42:38.005 INFO [stderr]    |
Dec 17 21:42:38.005 INFO [stderr] 43 |     set_version(rombytes, level);
Dec 17 21:42:38.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:42:38.006 INFO [stderr]    |
Dec 17 21:42:38.006 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 21:42:38.006 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 21:42:38.006 INFO [stderr] 
Dec 17 21:42:38.054 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
Dec 17 21:42:39.190 INFO running `"docker" "inspect" "ebf00f0ab50072b6f8ceb175267d427d6c7165027712c44775736667406bef09"`
Dec 17 21:42:39.462 INFO running `"docker" "rm" "-f" "ebf00f0ab50072b6f8ceb175267d427d6c7165027712c44775736667406bef09"`
Dec 17 21:42:39.804 INFO [stdout] ebf00f0ab50072b6f8ceb175267d427d6c7165027712c44775736667406bef09