[INFO] updating cached repository https://github.com/jeenalee/bin-to-dna
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23888d1707d40a18dcb817c7b6e71e35e77ccecc
[INFO] checking jeenalee/bin-to-dna against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeenalee%2Fbin-to-dna" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeenalee/bin-to-dna on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jeenalee/bin-to-dna
[INFO] finished tweaking git repo https://github.com/jeenalee/bin-to-dna
[INFO] tweaked toml for git repo https://github.com/jeenalee/bin-to-dna written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jeenalee/bin-to-dna already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64fac1c663a2812057954775e898838350bbab28b7269ef58118a14713bdacd6
[INFO] running `"docker" "start" "-a" "64fac1c663a2812057954775e898838350bbab28b7269ef58118a14713bdacd6"`
[INFO] [stderr]     Checking min-max-heap v0.2.1
[INFO] [stderr]     Checking balanced-bin-to-dna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:212:43
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let (byte, remaining_trits) = try!(self.decode_byte(trits));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:28
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let current_trit = try!(find_current_trit(nucleotide, prev_nucleotide));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[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] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:212:43
[INFO] [stderr]     |
[INFO] [stderr] 212 |             let (byte, remaining_trits) = try!(self.decode_byte(trits));
[INFO] [stderr]     |                                           ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:327:28
[INFO] [stderr]     |
[INFO] [stderr] 327 |         let current_trit = try!(find_current_trit(nucleotide, prev_nucleotide));
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[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 1.51s
[INFO] running `"docker" "inspect" "64fac1c663a2812057954775e898838350bbab28b7269ef58118a14713bdacd6"`
[INFO] running `"docker" "rm" "-f" "64fac1c663a2812057954775e898838350bbab28b7269ef58118a14713bdacd6"`
[INFO] [stdout] 64fac1c663a2812057954775e898838350bbab28b7269ef58118a14713bdacd6