Dec 04 16:45:36.982 INFO checking jeenalee/bin-to-dna against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:45:36.982 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 16:45:37.254 INFO [stdout] 6a6db191d0f2579c2e51bda45b0572dd3fc53b8f77d3a968331d14b2cb99a2de
Dec 04 16:45:37.257 INFO running `"docker" "start" "-a" "6a6db191d0f2579c2e51bda45b0572dd3fc53b8f77d3a968331d14b2cb99a2de"`
Dec 04 16:45:38.022 INFO [stderr] usermod: no changes
Dec 04 16:45:38.057 INFO [stderr]     Checking min-max-heap v0.2.1
Dec 04 16:45:38.395 INFO [stderr]     Checking balanced-bin-to-dna v0.1.0 (/source)
Dec 04 16:45:38.643 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:38.643 INFO [stderr]    --> src/main.rs:199:44
Dec 04 16:45:38.643 INFO [stderr]     |
Dec 04 16:45:38.643 INFO [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
Dec 04 16:45:38.643 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:38.643 INFO [stderr]     |
Dec 04 16:45:38.643 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 16:45:38.643 INFO [stderr] 
Dec 04 16:45:38.643 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:38.643 INFO [stderr]    --> src/main.rs:200:30
Dec 04 16:45:38.643 INFO [stderr]     |
Dec 04 16:45:38.643 INFO [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
Dec 04 16:45:38.643 INFO [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:38.643 INFO [stderr] 
Dec 04 16:45:38.670 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:38.670 INFO [stderr]    --> src/main.rs:199:44
Dec 04 16:45:38.670 INFO [stderr]     |
Dec 04 16:45:38.670 INFO [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
Dec 04 16:45:38.670 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:38.670 INFO [stderr]     |
Dec 04 16:45:38.670 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 16:45:38.670 INFO [stderr] 
Dec 04 16:45:38.670 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:38.670 INFO [stderr]    --> src/main.rs:200:30
Dec 04 16:45:38.670 INFO [stderr]     |
Dec 04 16:45:38.670 INFO [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
Dec 04 16:45:38.670 INFO [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:38.670 INFO [stderr] 
Dec 04 16:45:38.839 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 04 16:45:38.843 INFO [stderr] su: No module specific data is present
Dec 04 16:45:39.089 INFO running `"docker" "inspect" "6a6db191d0f2579c2e51bda45b0572dd3fc53b8f77d3a968331d14b2cb99a2de"`
Dec 04 16:45:39.215 INFO running `"docker" "rm" "-f" "6a6db191d0f2579c2e51bda45b0572dd3fc53b8f77d3a968331d14b2cb99a2de"`
Dec 04 16:45:39.349 INFO [stdout] 6a6db191d0f2579c2e51bda45b0572dd3fc53b8f77d3a968331d14b2cb99a2de