Dec 04 16:45:37.721 INFO checking jeenalee/bin-to-dna against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:45:37.721 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 16:45:37.998 INFO [stdout] 2718181ce6d95289f0b1339684b1f1ec12af3de4f70e44a329a00e43183960f9
Dec 04 16:45:38.003 INFO running `"docker" "start" "-a" "2718181ce6d95289f0b1339684b1f1ec12af3de4f70e44a329a00e43183960f9"`
Dec 04 16:45:38.442 INFO [stderr] usermod: no changes
Dec 04 16:45:38.481 INFO [stderr]     Checking min-max-heap v0.2.1
Dec 04 16:45:38.857 INFO [stderr]     Checking balanced-bin-to-dna v0.1.0 (/source)
Dec 04 16:45:39.063 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:39.063 INFO [stderr]    --> src/main.rs:199:44
Dec 04 16:45:39.063 INFO [stderr]     |
Dec 04 16:45:39.063 INFO [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
Dec 04 16:45:39.063 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:39.063 INFO [stderr]     |
Dec 04 16:45:39.063 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 16:45:39.063 INFO [stderr] 
Dec 04 16:45:39.063 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:39.063 INFO [stderr]    --> src/main.rs:200:30
Dec 04 16:45:39.063 INFO [stderr]     |
Dec 04 16:45:39.063 INFO [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
Dec 04 16:45:39.063 INFO [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:39.063 INFO [stderr] 
Dec 04 16:45:39.120 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:39.120 INFO [stderr]    --> src/main.rs:199:44
Dec 04 16:45:39.120 INFO [stderr]     |
Dec 04 16:45:39.120 INFO [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
Dec 04 16:45:39.120 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:39.120 INFO [stderr]     |
Dec 04 16:45:39.120 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 04 16:45:39.120 INFO [stderr] 
Dec 04 16:45:39.120 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 04 16:45:39.120 INFO [stderr]    --> src/main.rs:200:30
Dec 04 16:45:39.120 INFO [stderr]     |
Dec 04 16:45:39.120 INFO [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
Dec 04 16:45:39.120 INFO [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 04 16:45:39.120 INFO [stderr] 
Dec 04 16:45:39.277 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 04 16:45:39.278 INFO [stderr] su: No module specific data is present
Dec 04 16:45:39.635 INFO running `"docker" "inspect" "2718181ce6d95289f0b1339684b1f1ec12af3de4f70e44a329a00e43183960f9"`
Dec 04 16:45:39.997 INFO running `"docker" "rm" "-f" "2718181ce6d95289f0b1339684b1f1ec12af3de4f70e44a329a00e43183960f9"`
Dec 04 16:45:40.300 INFO [stdout] 2718181ce6d95289f0b1339684b1f1ec12af3de4f70e44a329a00e43183960f9