[INFO] updating cached repository https://github.com/nemq/AoC2019
[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] 54e751162e2d8b3bcde0a3c7026d40711b12c2c3
[INFO] checking nemq/AoC2019 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemq%2FAoC2019" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nemq/AoC2019 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nemq/AoC2019
[INFO] finished tweaking git repo https://github.com/nemq/AoC2019
[INFO] tweaked toml for git repo https://github.com/nemq/AoC2019 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nemq/AoC2019 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 8dcf8f0f6f1f688e1f5984268766544d43f7d2158551c491569e3cfdd55cfa33
[INFO] running `"docker" "start" "-a" "8dcf8f0f6f1f688e1f5984268766544d43f7d2158551c491569e3cfdd55cfa33"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/intcode.rs:145:71
[INFO] [stderr]     |
[INFO] [stderr] 145 |                         panic!(format!("NaN: {} [len: {} buf: {}]", e.description(), buf.len(), buf))}
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/intcode.rs:148:71
[INFO] [stderr]     |
[INFO] [stderr] 148 |             Err(e) => panic!(format!("Failed to read from cin: {}", e.description()))
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/intcode.rs:169:71
[INFO] [stderr]     |
[INFO] [stderr] 169 |           Err(e) => panic!(format!("Failed to write to stdout: {}", e.description()))
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/intcode.rs:145:71
[INFO] [stderr]     |
[INFO] [stderr] 145 |                         panic!(format!("NaN: {} [len: {} buf: {}]", e.description(), buf.len(), buf))}
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/intcode.rs:148:71
[INFO] [stderr]     |
[INFO] [stderr] 148 |             Err(e) => panic!(format!("Failed to read from cin: {}", e.description()))
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/intcode.rs:169:71
[INFO] [stderr]     |
[INFO] [stderr] 169 |           Err(e) => panic!(format!("Failed to write to stdout: {}", e.description()))
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `find_edge`
[INFO] [stderr]   --> src/graph.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn find_edge<'g>(&'g self, start: &Vertex, end: &Vertex) -> Option<Edge<'g, Vertex, Weight>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `edges`
[INFO] [stderr]   --> src/graph.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn edges<'g>(&'g self) -> EdgeIter<'g, Vertex, Weight> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "8dcf8f0f6f1f688e1f5984268766544d43f7d2158551c491569e3cfdd55cfa33"`
[INFO] running `"docker" "rm" "-f" "8dcf8f0f6f1f688e1f5984268766544d43f7d2158551c491569e3cfdd55cfa33"`
[INFO] [stdout] 8dcf8f0f6f1f688e1f5984268766544d43f7d2158551c491569e3cfdd55cfa33