Dec 11 16:29:51.468 INFO checking jeenalee/bin-to-dna against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 16:29:51.468 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 16:29:51.726 INFO [stdout] ba8a987ae5c125c26c9849fe77cab46582c182493e23c582d712c8ff2e6e0fa0
Dec 11 16:29:51.732 INFO running `"docker" "start" "-a" "ba8a987ae5c125c26c9849fe77cab46582c182493e23c582d712c8ff2e6e0fa0"`
Dec 11 16:29:52.373 INFO [stderr] usermod: no changes
Dec 11 16:29:52.403 INFO [stderr]     Checking min-max-heap v0.2.1
Dec 11 16:29:52.745 INFO [stderr]     Checking balanced-bin-to-dna v0.1.0 (/source)
Dec 11 16:29:53.128 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:29:53.128 INFO [stderr]    --> src/main.rs:199:44
Dec 11 16:29:53.128 INFO [stderr]     |
Dec 11 16:29:53.128 INFO [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
Dec 11 16:29:53.128 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:29:53.128 INFO [stderr]     |
Dec 11 16:29:53.128 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 16:29:53.128 INFO [stderr] 
Dec 11 16:29:53.128 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:29:53.128 INFO [stderr]    --> src/main.rs:200:30
Dec 11 16:29:53.128 INFO [stderr]     |
Dec 11 16:29:53.128 INFO [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
Dec 11 16:29:53.128 INFO [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:29:53.128 INFO [stderr] 
Dec 11 16:29:53.212 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:29:53.212 INFO [stderr]    --> src/main.rs:199:44
Dec 11 16:29:53.212 INFO [stderr]     |
Dec 11 16:29:53.212 INFO [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
Dec 11 16:29:53.212 INFO [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:29:53.212 INFO [stderr]     |
Dec 11 16:29:53.212 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 11 16:29:53.212 INFO [stderr] 
Dec 11 16:29:53.212 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 11 16:29:53.212 INFO [stderr]    --> src/main.rs:200:30
Dec 11 16:29:53.212 INFO [stderr]     |
Dec 11 16:29:53.212 INFO [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
Dec 11 16:29:53.212 INFO [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 11 16:29:53.212 INFO [stderr] 
Dec 11 16:29:53.345 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 11 16:29:53.348 INFO [stderr] su: No module specific data is present
Dec 11 16:29:53.626 INFO running `"docker" "inspect" "ba8a987ae5c125c26c9849fe77cab46582c182493e23c582d712c8ff2e6e0fa0"`
Dec 11 16:29:53.790 INFO running `"docker" "rm" "-f" "ba8a987ae5c125c26c9849fe77cab46582c182493e23c582d712c8ff2e6e0fa0"`
Dec 11 16:29:53.870 INFO [stdout] ba8a987ae5c125c26c9849fe77cab46582c182493e23c582d712c8ff2e6e0fa0