[INFO] cloning repository https://github.com/avillega/aoc2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avillega/aoc2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favillega%2Faoc2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favillega%2Faoc2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8e80de200e425e6443d53c278e137b0edef12cc
[INFO] testing avillega/aoc2019-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favillega%2Faoc2019-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avillega/aoc2019-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avillega/aoc2019-rust
[INFO] finished tweaking git repo https://github.com/avillega/aoc2019-rust
[INFO] tweaked toml for git repo https://github.com/avillega/aoc2019-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/avillega/aoc2019-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05349a098452b1068f1193e4c13b1eceed58ce68ce60f0eae3276b0254eae73b
[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" "05349a098452b1068f1193e4c13b1eceed58ce68ce60f0eae3276b0254eae73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05349a098452b1068f1193e4c13b1eceed58ce68ce60f0eae3276b0254eae73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05349a098452b1068f1193e4c13b1eceed58ce68ce60f0eae3276b0254eae73b", kill_on_drop: false }`
[INFO] [stdout] 05349a098452b1068f1193e4c13b1eceed58ce68ce60f0eae3276b0254eae73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] d2b47a5b37a02a8253902a8171e32734c564b6eed206f98cd965d3bae21c32f9
[INFO] running `Command { std: "docker" "start" "-a" "d2b47a5b37a02a8253902a8171e32734c564b6eed206f98cd965d3bae21c32f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutohedron v0.2.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aoc-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solve1`
[INFO] [stdout]  --> src/day8.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve1() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_by_digit`
[INFO] [stdout]   --> src/day8.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn count_by_digit(layer: &Layer, digit: u8) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "d2b47a5b37a02a8253902a8171e32734c564b6eed206f98cd965d3bae21c32f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b47a5b37a02a8253902a8171e32734c564b6eed206f98cd965d3bae21c32f9", kill_on_drop: false }`
[INFO] [stdout] d2b47a5b37a02a8253902a8171e32734c564b6eed206f98cd965d3bae21c32f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d43f9538e0d166a87528a0d324c10d19b375c1d14d00041f6ee018f08fc5a77
[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" "5d43f9538e0d166a87528a0d324c10d19b375c1d14d00041f6ee018f08fc5a77", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc-2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solve1`
[INFO] [stdout]  --> src/day8.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve1() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_by_digit`
[INFO] [stdout]   --> src/day8.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn count_by_digit(layer: &Layer, digit: u8) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "5d43f9538e0d166a87528a0d324c10d19b375c1d14d00041f6ee018f08fc5a77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d43f9538e0d166a87528a0d324c10d19b375c1d14d00041f6ee018f08fc5a77", kill_on_drop: false }`
[INFO] [stdout] 5d43f9538e0d166a87528a0d324c10d19b375c1d14d00041f6ee018f08fc5a77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb5d7806c55ea733555685545a8b62808272f418e4a7c9db19d5e5cefea372dc
[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" "eb5d7806c55ea733555685545a8b62808272f418e4a7c9db19d5e5cefea372dc", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `solve1`
[INFO] [stderr]  --> src/day8.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn solve1() {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_by_digit`
[INFO] [stderr]   --> src/day8.rs:62:4
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn count_by_digit(layer: &Layer, digit: u8) -> u64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc-2019` (bin "aoc-2019" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc_2019-fb7ae3e81b4873ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb5d7806c55ea733555685545a8b62808272f418e4a7c9db19d5e5cefea372dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5d7806c55ea733555685545a8b62808272f418e4a7c9db19d5e5cefea372dc", kill_on_drop: false }`
[INFO] [stdout] eb5d7806c55ea733555685545a8b62808272f418e4a7c9db19d5e5cefea372dc