Dec 12 12:21:38.253 INFO checking kravl-parser-0.3.3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 12:21:38.253 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 12:21:38.670 INFO [stdout] 2f4898f51456d5ce3307c2870208a0fa126586ff41f3b19f2a6aeba7722a4f74
Dec 12 12:21:38.672 INFO running `"docker" "start" "-a" "2f4898f51456d5ce3307c2870208a0fa126586ff41f3b19f2a6aeba7722a4f74"`
Dec 12 12:21:40.398 INFO [stderr] usermod: no changes
Dec 12 12:21:40.432 INFO [stderr]     Checking kravl-parser v0.3.3 (/source)
Dec 12 12:21:41.740 INFO [stderr] warning: unused variable: `stack`
Dec 12 12:21:41.740 INFO [stderr]   --> src/syntax/mod.rs:46:13
Dec 12 12:21:41.740 INFO [stderr]    |
Dec 12 12:21:41.740 INFO [stderr] 46 |         let stack = parser.parse_full();
Dec 12 12:21:41.740 INFO [stderr]    |             ^^^^^ help: consider using `_stack` instead
Dec 12 12:21:41.740 INFO [stderr]    |
Dec 12 12:21:41.740 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 12:21:41.740 INFO [stderr] 
Dec 12 12:21:41.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 12:21:41.796 INFO [stderr]   --> src/syntax/mod.rs:13:9
Dec 12 12:21:41.796 INFO [stderr]    |
Dec 12 12:21:41.796 INFO [stderr] 13 | /         lexer.tokenize(String::from("
Dec 12 12:21:41.796 INFO [stderr] 14 | |             define fib_sum(a -> int, b -> int) -> int
Dec 12 12:21:41.796 INFO [stderr] 15 | |                 if a + b <= 2
Dec 12 12:21:41.796 INFO [stderr] 16 | |                     return c
Dec 12 12:21:41.796 INFO [stderr] ...  |
Dec 12 12:21:41.796 INFO [stderr] 20 | |             end
Dec 12 12:21:41.796 INFO [stderr] 21 | |         "));
Dec 12 12:21:41.796 INFO [stderr]    | |____________^
Dec 12 12:21:41.796 INFO [stderr]    |
Dec 12 12:21:41.796 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 12:21:41.796 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 12:21:41.796 INFO [stderr] 
Dec 12 12:21:41.796 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 12:21:41.796 INFO [stderr]   --> src/syntax/mod.rs:33:9
Dec 12 12:21:41.796 INFO [stderr]    |
Dec 12 12:21:41.797 INFO [stderr] 33 | /         lexer.tokenize(String::from("
Dec 12 12:21:41.797 INFO [stderr] 34 | |             foo = \"hey aywa\"
Dec 12 12:21:41.797 INFO [stderr] 35 | |             foo = 22.2
Dec 12 12:21:41.797 INFO [stderr] 36 | |
Dec 12 12:21:41.797 INFO [stderr] ...  |
Dec 12 12:21:41.797 INFO [stderr] 41 | |             sum = 1337 - 2 - 10.2 * 100
Dec 12 12:21:41.797 INFO [stderr] 42 | |         "));
Dec 12 12:21:41.797 INFO [stderr]    | |____________^
Dec 12 12:21:41.797 INFO [stderr]    |
Dec 12 12:21:41.797 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 12:21:41.797 INFO [stderr] 
Dec 12 12:21:41.829 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Dec 12 12:21:41.831 INFO [stderr] su: No module specific data is present
Dec 12 12:21:42.684 INFO running `"docker" "inspect" "2f4898f51456d5ce3307c2870208a0fa126586ff41f3b19f2a6aeba7722a4f74"`
Dec 12 12:21:42.948 INFO running `"docker" "rm" "-f" "2f4898f51456d5ce3307c2870208a0fa126586ff41f3b19f2a6aeba7722a4f74"`
Dec 12 12:21:43.257 INFO [stdout] 2f4898f51456d5ce3307c2870208a0fa126586ff41f3b19f2a6aeba7722a4f74