Dec 19 07:09:36.454 INFO checking tiffany352/tifflang against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:09:36.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/tiffany352/tifflang:/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 07:09:36.928 INFO [stdout] 5096ea6f8946550baacb4ceb2d8159f6baacf9903f7a91640496aa80d94206bf
Dec 19 07:09:36.936 INFO running `"docker" "start" "-a" "5096ea6f8946550baacb4ceb2d8159f6baacf9903f7a91640496aa80d94206bf"`
Dec 19 07:09:38.548 INFO [stderr]     Checking web-assembler v0.1.0
Dec 19 07:09:38.548 INFO [stderr]     Checking memchr v2.0.2
Dec 19 07:09:38.916 INFO [stderr]     Checking aho-corasick v0.6.8
Dec 19 07:09:39.744 INFO [stderr]     Checking regex v1.0.5
Dec 19 07:09:42.426 INFO [stderr]     Checking tifflang v0.0.0 (/opt/crater/workdir)
Dec 19 07:09:43.232 INFO [stderr] warning: variant is never constructed: `Function`
Dec 19 07:09:43.232 INFO [stderr]   --> src/typecheck.rs:46:5
Dec 19 07:09:43.232 INFO [stderr]    |
Dec 19 07:09:43.233 INFO [stderr] 46 | /     Function {
Dec 19 07:09:43.233 INFO [stderr] 47 | |         result: Box<Type>,
Dec 19 07:09:43.233 INFO [stderr] 48 | |         args: Vec<Type>,
Dec 19 07:09:43.233 INFO [stderr] 49 | |     }
Dec 19 07:09:43.233 INFO [stderr]    | |_____^
Dec 19 07:09:43.236 INFO [stderr]    |
Dec 19 07:09:43.236 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:09:43.236 INFO [stderr] 
Dec 19 07:09:43.288 INFO [stderr] warning: variant is never constructed: `Function`
Dec 19 07:09:43.289 INFO [stderr]   --> src/typecheck.rs:46:5
Dec 19 07:09:43.289 INFO [stderr]    |
Dec 19 07:09:43.289 INFO [stderr] 46 | /     Function {
Dec 19 07:09:43.289 INFO [stderr] 47 | |         result: Box<Type>,
Dec 19 07:09:43.289 INFO [stderr] 48 | |         args: Vec<Type>,
Dec 19 07:09:43.289 INFO [stderr] 49 | |     }
Dec 19 07:09:43.289 INFO [stderr]    | |_____^
Dec 19 07:09:43.289 INFO [stderr]    |
Dec 19 07:09:43.289 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:09:43.289 INFO [stderr] 
Dec 19 07:09:43.361 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.89s
Dec 19 07:09:44.404 INFO running `"docker" "inspect" "5096ea6f8946550baacb4ceb2d8159f6baacf9903f7a91640496aa80d94206bf"`
Dec 19 07:09:44.800 INFO running `"docker" "rm" "-f" "5096ea6f8946550baacb4ceb2d8159f6baacf9903f7a91640496aa80d94206bf"`
Dec 19 07:09:45.064 INFO [stdout] 5096ea6f8946550baacb4ceb2d8159f6baacf9903f7a91640496aa80d94206bf