[INFO] updating cached repository jeenalee/bin-to-dna
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeenalee/bin-to-dna
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeenalee/bin-to-dna" "work/ex/beta-1.37-6/sources/1.36.0/gh/jeenalee/bin-to-dna"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jeenalee/bin-to-dna'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeenalee/bin-to-dna" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeenalee/bin-to-dna"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeenalee/bin-to-dna'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23888d1707d40a18dcb817c7b6e71e35e77ccecc
[INFO] sha for GitHub repo jeenalee/bin-to-dna: 23888d1707d40a18dcb817c7b6e71e35e77ccecc
[INFO] validating manifest of jeenalee/bin-to-dna on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jeenalee/bin-to-dna on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jeenalee/bin-to-dna
[INFO] finished frobbing jeenalee/bin-to-dna
[INFO] frobbed toml for jeenalee/bin-to-dna written to work/ex/beta-1.37-6/sources/1.36.0/gh/jeenalee/bin-to-dna/Cargo.toml
[INFO] started frobbing jeenalee/bin-to-dna
[INFO] finished frobbing jeenalee/bin-to-dna
[INFO] frobbed toml for jeenalee/bin-to-dna written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeenalee/bin-to-dna/Cargo.toml
[INFO] crate jeenalee/bin-to-dna already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jeenalee/bin-to-dna against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeenalee/bin-to-dna:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 18a68c7700af97e25b25c44a0480a85905f355ba96bfb2cdef2694c220624809
[INFO] running `"docker" "start" "-a" "18a68c7700af97e25b25c44a0480a85905f355ba96bfb2cdef2694c220624809"`
[INFO] [stderr]    Compiling min-max-heap v0.2.1
[INFO] [stderr]    Compiling balanced-bin-to-dna v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:199:44
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:200:30
[INFO] [stderr]     |
[INFO] [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `"docker" "inspect" "18a68c7700af97e25b25c44a0480a85905f355ba96bfb2cdef2694c220624809"`
[INFO] running `"docker" "rm" "-f" "18a68c7700af97e25b25c44a0480a85905f355ba96bfb2cdef2694c220624809"`
[INFO] [stdout] 18a68c7700af97e25b25c44a0480a85905f355ba96bfb2cdef2694c220624809
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeenalee/bin-to-dna:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61614751c982957ca67e41956578cd28f0bf02c75381dd34fd3fe553cb6430dd
[INFO] running `"docker" "start" "-a" "61614751c982957ca67e41956578cd28f0bf02c75381dd34fd3fe553cb6430dd"`
[INFO] [stderr]    Compiling balanced-bin-to-dna v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:199:44
[INFO] [stderr]     |
[INFO] [stderr] 199 |                     (None, _, _, _) => Err(("Unexpectedly reached the end of the tree.")),
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:200:30
[INFO] [stderr]     |
[INFO] [stderr] 200 |                     _ => Err(("Bad encoding of trits. The trit doesn't correspond to bytes in the tree.")),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "61614751c982957ca67e41956578cd28f0bf02c75381dd34fd3fe553cb6430dd"`
[INFO] running `"docker" "rm" "-f" "61614751c982957ca67e41956578cd28f0bf02c75381dd34fd3fe553cb6430dd"`
[INFO] [stdout] 61614751c982957ca67e41956578cd28f0bf02c75381dd34fd3fe553cb6430dd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeenalee/bin-to-dna:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 32ab9ea9fa64b2c5a3cd6f7704a8f232e1e1b00861674326ff8b261761938bc6
[INFO] running `"docker" "start" "-a" "32ab9ea9fa64b2c5a3cd6f7704a8f232e1e1b00861674326ff8b261761938bc6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/balanced_bin_to_dna-be500fcfc6db9908
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "32ab9ea9fa64b2c5a3cd6f7704a8f232e1e1b00861674326ff8b261761938bc6"`
[INFO] running `"docker" "rm" "-f" "32ab9ea9fa64b2c5a3cd6f7704a8f232e1e1b00861674326ff8b261761938bc6"`
[INFO] [stdout] 32ab9ea9fa64b2c5a3cd6f7704a8f232e1e1b00861674326ff8b261761938bc6