[INFO] cloning repository https://github.com/nemq/AoC2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nemq/AoC2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemq%2FAoC2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemq%2FAoC2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54e751162e2d8b3bcde0a3c7026d40711b12c2c3
[INFO] checking nemq/AoC2019 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnemq%2FAoC2019" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nemq/AoC2019 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/nemq/AoC2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded permutohedron v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a46cbef3ea13d9bb4099dd93c29d8a6ebcc9517eb42bc60273c490cf19a9f76
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a46cbef3ea13d9bb4099dd93c29d8a6ebcc9517eb42bc60273c490cf19a9f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a46cbef3ea13d9bb4099dd93c29d8a6ebcc9517eb42bc60273c490cf19a9f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a46cbef3ea13d9bb4099dd93c29d8a6ebcc9517eb42bc60273c490cf19a9f76", kill_on_drop: false }`
[INFO] [stdout] 9a46cbef3ea13d9bb4099dd93c29d8a6ebcc9517eb42bc60273c490cf19a9f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7aac03758c4775e03820f0d87a26e53bf86751da20c8dd0c0ff88bf7d00f217a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7aac03758c4775e03820f0d87a26e53bf86751da20c8dd0c0ff88bf7d00f217a", kill_on_drop: false }`
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/intcode.rs:145:71
[INFO] [stdout]     |
[INFO] [stdout] 145 |                         panic!(format!("NaN: {} [len: {} buf: {}]", e.description(), buf.len(), buf))}
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/intcode.rs:148:71
[INFO] [stdout]     |
[INFO] [stdout] 148 |             Err(e) => panic!(format!("Failed to read from cin: {}", e.description()))
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/intcode.rs:169:71
[INFO] [stdout]     |
[INFO] [stdout] 169 |           Err(e) => panic!(format!("Failed to write to stdout: {}", e.description()))
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/intcode.rs:145:71
[INFO] [stdout]     |
[INFO] [stdout] 145 |                         panic!(format!("NaN: {} [len: {} buf: {}]", e.description(), buf.len(), buf))}
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/intcode.rs:148:71
[INFO] [stdout]     |
[INFO] [stdout] 148 |             Err(e) => panic!(format!("Failed to read from cin: {}", e.description()))
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/intcode.rs:169:71
[INFO] [stdout]     |
[INFO] [stdout] 169 |           Err(e) => panic!(format!("Failed to write to stdout: {}", e.description()))
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_edge`
[INFO] [stdout]   --> src/graph.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn find_edge<'g>(&'g self, start: &Vertex, end: &Vertex) -> Option<Edge<'g, Vertex, Weight>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edges`
[INFO] [stdout]   --> src/graph.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn edges<'g>(&'g self) -> EdgeIter<'g, Vertex, Weight> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "7aac03758c4775e03820f0d87a26e53bf86751da20c8dd0c0ff88bf7d00f217a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aac03758c4775e03820f0d87a26e53bf86751da20c8dd0c0ff88bf7d00f217a", kill_on_drop: false }`
[INFO] [stdout] 7aac03758c4775e03820f0d87a26e53bf86751da20c8dd0c0ff88bf7d00f217a