[INFO] cloning repository https://github.com/gegy1000/advent_of_code_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gegy1000/advent_of_code_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgegy1000%2Fadvent_of_code_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgegy1000%2Fadvent_of_code_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2bdd9d4d2aeee0d924bdc0606d070bccb855c1d3
[INFO] checking gegy1000/advent_of_code_2017 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgegy1000%2Fadvent_of_code_2017" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gegy1000/advent_of_code_2017 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gegy1000/advent_of_code_2017
[INFO] finished tweaking git repo https://github.com/gegy1000/advent_of_code_2017
[INFO] tweaked toml for git repo https://github.com/gegy1000/advent_of_code_2017 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/gegy1000/advent_of_code_2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 007f2cba221606f196c65178c92521f9205330f419a288ea231e26d2846e4eec
[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" "007f2cba221606f196c65178c92521f9205330f419a288ea231e26d2846e4eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "007f2cba221606f196c65178c92521f9205330f419a288ea231e26d2846e4eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007f2cba221606f196c65178c92521f9205330f419a288ea231e26d2846e4eec", kill_on_drop: false }`
[INFO] [stdout] 007f2cba221606f196c65178c92521f9205330f419a288ea231e26d2846e4eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f3b865b27eae354d675615411eb84f6432819b2cb9a77f03af6f87a32cc4860
[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" "8f3b865b27eae354d675615411eb84f6432819b2cb9a77f03af6f87a32cc4860", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `total_weight`
[INFO] [stdout]   --> src/days/recursive_circus.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn total_weight(&self, nodes: &HashMap<String, Node>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `total_weight`
[INFO] [stdout]   --> src/days/recursive_circus.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn total_weight(&self, nodes: &HashMap<String, Node>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8f3b865b27eae354d675615411eb84f6432819b2cb9a77f03af6f87a32cc4860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f3b865b27eae354d675615411eb84f6432819b2cb9a77f03af6f87a32cc4860", kill_on_drop: false }`
[INFO] [stdout] 8f3b865b27eae354d675615411eb84f6432819b2cb9a77f03af6f87a32cc4860