[INFO] cloning repository https://github.com/Quantum-Desmond/Advent-of-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quantum-Desmond/Advent-of-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantum-Desmond%2FAdvent-of-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantum-Desmond%2FAdvent-of-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60073ca430a00a1cec9408d0ec036c44da3b4e57
[INFO] checking Quantum-Desmond/Advent-of-Code against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantum-Desmond%2FAdvent-of-Code" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Quantum-Desmond/Advent-of-Code on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Quantum-Desmond/Advent-of-Code
[INFO] finished tweaking git repo https://github.com/Quantum-Desmond/Advent-of-Code
[INFO] tweaked toml for git repo https://github.com/Quantum-Desmond/Advent-of-Code written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Quantum-Desmond/Advent-of-Code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 192b5be95fb7afb134848e827119c934ccde57f7eb2f505554b6065b60ae2928
[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" "192b5be95fb7afb134848e827119c934ccde57f7eb2f505554b6065b60ae2928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192b5be95fb7afb134848e827119c934ccde57f7eb2f505554b6065b60ae2928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192b5be95fb7afb134848e827119c934ccde57f7eb2f505554b6065b60ae2928", kill_on_drop: false }`
[INFO] [stdout] 192b5be95fb7afb134848e827119c934ccde57f7eb2f505554b6065b60ae2928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 033446f5a598022075046053ab8954a24d6a1661ee4b863915a5510e17b37998
[INFO] running `Command { std: "docker" "start" "-a" "033446f5a598022075046053ab8954a24d6a1661ee4b863915a5510e17b37998", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking aoc_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `BinaryHeap`, `HashMap`, `HashSet`
[INFO] [stdout]   --> src/aoc_problems/day_23.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::{BinaryHeap, BTreeMap, BTreeSet, HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]   --> src/aoc_problems/day_03.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{BTreeMap, HashSet, HashMap};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `BTreeSet`, `BinaryHeap`, `HashMap`, `HashSet`
[INFO] [stdout]   --> src/aoc_problems/day_23.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::collections::{BinaryHeap, BTreeMap, BTreeSet, HashMap, HashSet};
[INFO] [stdout]    |                        ^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]   --> src/aoc_problems/day_03.rs:10:34
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::collections::{BTreeMap, HashSet, HashMap};
[INFO] [stdout]    |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.91s
[INFO] running `Command { std: "docker" "inspect" "033446f5a598022075046053ab8954a24d6a1661ee4b863915a5510e17b37998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033446f5a598022075046053ab8954a24d6a1661ee4b863915a5510e17b37998", kill_on_drop: false }`
[INFO] [stdout] 033446f5a598022075046053ab8954a24d6a1661ee4b863915a5510e17b37998