[INFO] crate kravl-parser 0.3.3 is already in cache
[INFO] extracting crate kravl-parser 0.3.3 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/kravl-parser/0.3.3
[INFO] extracting crate kravl-parser 0.3.3 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/kravl-parser/0.3.3
[INFO] validating manifest of kravl-parser-0.3.3 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kravl-parser-0.3.3 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kravl-parser-0.3.3
[INFO] finished frobbing kravl-parser-0.3.3
[INFO] frobbed toml for kravl-parser-0.3.3 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/kravl-parser/0.3.3/Cargo.toml
[INFO] started frobbing kravl-parser-0.3.3
[INFO] finished frobbing kravl-parser-0.3.3
[INFO] frobbed toml for kravl-parser-0.3.3 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/kravl-parser/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kravl-parser-0.3.3 against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
[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/reg/kravl-parser/0.3.3:/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"`
[INFO] [stdout] f22b9744f18b21341216298ec43d1742f29260bf217080f0e3d52b95651dce42
[INFO] running `"docker" "start" "-a" "f22b9744f18b21341216298ec43d1742f29260bf217080f0e3d52b95651dce42"`
[INFO] [stderr]     Checking kravl-parser v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `stack`
[INFO] [stderr]   --> src/syntax/mod.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let stack = parser.parse_full();
[INFO] [stderr]    |             ^^^^^ help: consider using `_stack` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/syntax/mod.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | /         lexer.tokenize(String::from("
[INFO] [stderr] 14 | |             define fib_sum(a -> int, b -> int) -> int
[INFO] [stderr] 15 | |                 if a + b <= 2
[INFO] [stderr] 16 | |                     return c
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |             end
[INFO] [stderr] 21 | |         "));
[INFO] [stderr]    | |____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/syntax/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 | /         lexer.tokenize(String::from("
[INFO] [stderr] 34 | |             foo = \"hey aywa\"
[INFO] [stderr] 35 | |             foo = 22.2
[INFO] [stderr] 36 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |             sum = 1337 - 2 - 10.2 * 100
[INFO] [stderr] 42 | |         "));
[INFO] [stderr]    | |____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "f22b9744f18b21341216298ec43d1742f29260bf217080f0e3d52b95651dce42"`
[INFO] running `"docker" "rm" "-f" "f22b9744f18b21341216298ec43d1742f29260bf217080f0e3d52b95651dce42"`
[INFO] [stdout] f22b9744f18b21341216298ec43d1742f29260bf217080f0e3d52b95651dce42