[INFO] cloning repository https://github.com/ggbt/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggbt/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggbt%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggbt%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c58c7986e32d64f9bc8615623a55f32a59e5db6c
[INFO] checking ggbt/aoc2018 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggbt%2Faoc2018" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ggbt/aoc2018 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ggbt/aoc2018
[INFO] finished tweaking git repo https://github.com/ggbt/aoc2018
[INFO] tweaked toml for git repo https://github.com/ggbt/aoc2018 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ggbt/aoc2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78cd8266be4554037c9a7cea22ea17c9a2d125bb4f5a8d73d30781db4b58ec11
[INFO] running `Command { std: "docker" "start" "-a" "78cd8266be4554037c9a7cea22ea17c9a2d125bb4f5a8d73d30781db4b58ec11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78cd8266be4554037c9a7cea22ea17c9a2d125bb4f5a8d73d30781db4b58ec11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78cd8266be4554037c9a7cea22ea17c9a2d125bb4f5a8d73d30781db4b58ec11", kill_on_drop: false }`
[INFO] [stdout] 78cd8266be4554037c9a7cea22ea17c9a2d125bb4f5a8d73d30781db4b58ec11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eac60f1fa3056ff0e38a23f846f13ba3fc6519c50a746c40776a5f8f78f70f4
[INFO] running `Command { std: "docker" "start" "-a" "1eac60f1fa3056ff0e38a23f846f13ba3fc6519c50a746c40776a5f8f78f70f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `claims_regex` should have an upper case name
[INFO] [stdout]   --> src/day_3.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             static ref claims_regex: Regex = Regex::new(r"#(\d+) @ (\d+),(\d+): (\d+)x(\d+)").unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: convert the identifier to upper case: `CLAIMS_REGEX`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `record_regex` should have an upper case name
[INFO] [stdout]   --> src/day_4.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |             static ref record_regex: Regex = Regex::new(
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: convert the identifier to upper case: `RECORD_REGEX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `reg` should have an upper case name
[INFO] [stdout]   --> src/day_6.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         static ref reg: Regex = Regex::new(r"(\d+), (\d+)").unwrap();
[INFO] [stdout]    |                    ^^^ help: convert the identifier to upper case: `REG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `claims_regex` should have an upper case name
[INFO] [stdout]   --> src/day_3.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 |             static ref claims_regex: Regex = Regex::new(r"#(\d+) @ (\d+),(\d+): (\d+)x(\d+)").unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: convert the identifier to upper case: `CLAIMS_REGEX`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `record_regex` should have an upper case name
[INFO] [stdout]   --> src/day_4.rs:26:24
[INFO] [stdout]    |
[INFO] [stdout] 26 |             static ref record_regex: Regex = Regex::new(
[INFO] [stdout]    |                        ^^^^^^^^^^^^ help: convert the identifier to upper case: `RECORD_REGEX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `reg` should have an upper case name
[INFO] [stdout]   --> src/day_6.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |         static ref reg: Regex = Regex::new(r"(\d+), (\d+)").unwrap();
[INFO] [stdout]    |                    ^^^ help: convert the identifier to upper case: `REG`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "1eac60f1fa3056ff0e38a23f846f13ba3fc6519c50a746c40776a5f8f78f70f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eac60f1fa3056ff0e38a23f846f13ba3fc6519c50a746c40776a5f8f78f70f4", kill_on_drop: false }`
[INFO] [stdout] 1eac60f1fa3056ff0e38a23f846f13ba3fc6519c50a746c40776a5f8f78f70f4