[INFO] cloning repository https://github.com/onelson/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onelson/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 273c429cb9076f6ee901ee8606e9efef28797c4b
[INFO] checking onelson/advent-of-code-2018 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fadvent-of-code-2018" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onelson/advent-of-code-2018 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onelson/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/onelson/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/onelson/advent-of-code-2018 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/onelson/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16453e0418e225c43ebc782d97222f090ef5c2b90cd58ee552bb275bd0a82b57
[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" "16453e0418e225c43ebc782d97222f090ef5c2b90cd58ee552bb275bd0a82b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16453e0418e225c43ebc782d97222f090ef5c2b90cd58ee552bb275bd0a82b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16453e0418e225c43ebc782d97222f090ef5c2b90cd58ee552bb275bd0a82b57", kill_on_drop: false }`
[INFO] [stdout] 16453e0418e225c43ebc782d97222f090ef5c2b90cd58ee552bb275bd0a82b57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222d32c7f05e26056d97d7ba0320fe85d8d91da2b4cfcaa2e247ecc0ef268cbe
[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" "222d32c7f05e26056d97d7ba0320fe85d8d91da2b4cfcaa2e247ecc0ef268cbe", kill_on_drop: false }`
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `has_exact_count`
[INFO] [stdout]  --> src/bin/02-checksum.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn has_exact_count(count: usize, s: &str, chars: &HashSet<char>) -> usize {
[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 0.50s
[INFO] running `Command { std: "docker" "inspect" "222d32c7f05e26056d97d7ba0320fe85d8d91da2b4cfcaa2e247ecc0ef268cbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222d32c7f05e26056d97d7ba0320fe85d8d91da2b4cfcaa2e247ecc0ef268cbe", kill_on_drop: false }`
[INFO] [stdout] 222d32c7f05e26056d97d7ba0320fe85d8d91da2b4cfcaa2e247ecc0ef268cbe