Dec 19 14:35:24.362 INFO checking katrinasm/exlev against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:35:24.362 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:35:24.808 INFO [stdout] 58107688bb99da29a1b55fecc3401ee6fa44a9a809e43ec342a4065c0cc12f3e
Dec 19 14:35:24.814 INFO running `"docker" "start" "-a" "58107688bb99da29a1b55fecc3401ee6fa44a9a809e43ec342a4065c0cc12f3e"`
Dec 19 14:35:26.765 INFO [stderr]     Checking peresil v0.3.0
Dec 19 14:35:26.778 INFO [stderr]     Checking quick-error v1.2.0
Dec 19 14:35:27.288 INFO [stderr]     Checking sxd-document v0.2.3
Dec 19 14:35:29.017 INFO [stderr]     Checking sxd-xpath v0.4.0
Dec 19 14:35:30.920 INFO [stderr]     Checking exlev v0.1.0 (/opt/crater/workdir)
Dec 19 14:35:32.479 INFO [stderr] warning: type alias is never used: `CResult`
Dec 19 14:35:32.480 INFO [stderr]  --> src/compression/mod.rs:9:1
Dec 19 14:35:32.480 INFO [stderr]   |
Dec 19 14:35:32.480 INFO [stderr] 9 | type CResult<V> = Result<V, CErr>;
Dec 19 14:35:32.480 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:35:32.481 INFO [stderr]   |
Dec 19 14:35:32.481 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:35:32.481 INFO [stderr] 
Dec 19 14:35:32.496 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 14:35:32.496 INFO [stderr]   --> src/level_table.rs:43:5
Dec 19 14:35:32.497 INFO [stderr]    |
Dec 19 14:35:32.497 INFO [stderr] 43 |     set_version(rombytes, level);
Dec 19 14:35:32.497 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:35:32.497 INFO [stderr]    |
Dec 19 14:35:32.497 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 14:35:32.497 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 14:35:32.497 INFO [stderr] 
Dec 19 14:35:32.954 INFO [stderr] warning: type alias is never used: `CResult`
Dec 19 14:35:32.954 INFO [stderr]  --> src/compression/mod.rs:9:1
Dec 19 14:35:32.954 INFO [stderr]   |
Dec 19 14:35:32.954 INFO [stderr] 9 | type CResult<V> = Result<V, CErr>;
Dec 19 14:35:32.955 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:35:32.955 INFO [stderr]   |
Dec 19 14:35:32.955 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:35:32.955 INFO [stderr] 
Dec 19 14:35:32.962 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 14:35:32.962 INFO [stderr]   --> src/level_table.rs:43:5
Dec 19 14:35:32.962 INFO [stderr]    |
Dec 19 14:35:32.962 INFO [stderr] 43 |     set_version(rombytes, level);
Dec 19 14:35:32.962 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:35:32.962 INFO [stderr]    |
Dec 19 14:35:32.962 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 14:35:32.962 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 14:35:32.962 INFO [stderr] 
Dec 19 14:35:33.036 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
Dec 19 14:35:34.405 INFO running `"docker" "inspect" "58107688bb99da29a1b55fecc3401ee6fa44a9a809e43ec342a4065c0cc12f3e"`
Dec 19 14:35:34.822 INFO running `"docker" "rm" "-f" "58107688bb99da29a1b55fecc3401ee6fa44a9a809e43ec342a4065c0cc12f3e"`
Dec 19 14:35:35.120 INFO [stdout] 58107688bb99da29a1b55fecc3401ee6fa44a9a809e43ec342a4065c0cc12f3e