[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] checking avillega/aoc2019-rust against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favillega%2Faoc2019-rust" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avillega/aoc2019-rust on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-14/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93363b2d75da4b01054ae42b557b45249f31717a1c4fc7a732934a2d189c3782
[INFO] running `Command { std: "docker" "start" "-a" "93363b2d75da4b01054ae42b557b45249f31717a1c4fc7a732934a2d189c3782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93363b2d75da4b01054ae42b557b45249f31717a1c4fc7a732934a2d189c3782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93363b2d75da4b01054ae42b557b45249f31717a1c4fc7a732934a2d189c3782", kill_on_drop: false }`
[INFO] [stdout] 93363b2d75da4b01054ae42b557b45249f31717a1c4fc7a732934a2d189c3782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50c8a0ca01e8ca3a8374b36a8173cab1dddddc49663c92c8288b8a587e9b715
[INFO] running `Command { std: "docker" "start" "-a" "d50c8a0ca01e8ca3a8374b36a8173cab1dddddc49663c92c8288b8a587e9b715", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking 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: 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 1.58s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d50c8a0ca01e8ca3a8374b36a8173cab1dddddc49663c92c8288b8a587e9b715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50c8a0ca01e8ca3a8374b36a8173cab1dddddc49663c92c8288b8a587e9b715", kill_on_drop: false }`
[INFO] [stdout] d50c8a0ca01e8ca3a8374b36a8173cab1dddddc49663c92c8288b8a587e9b715