[INFO] cloning repository https://github.com/carlosmn/aoc2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carlosmn/aoc2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosmn%2Faoc2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosmn%2Faoc2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d979c2476d911aad546d92c9d02d10b14a5f0788
[INFO] checking carlosmn/aoc2017 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarlosmn%2Faoc2017" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carlosmn/aoc2017 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/carlosmn/aoc2017
[INFO] finished tweaking git repo https://github.com/carlosmn/aoc2017
[INFO] tweaked toml for git repo https://github.com/carlosmn/aoc2017 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/carlosmn/aoc2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcd4995bf3951cf02aaaed4ee2acfb8f04c1cc399199b461d10d886cdded7bc7
[INFO] running `Command { std: "docker" "start" "-a" "fcd4995bf3951cf02aaaed4ee2acfb8f04c1cc399199b461d10d886cdded7bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd4995bf3951cf02aaaed4ee2acfb8f04c1cc399199b461d10d886cdded7bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd4995bf3951cf02aaaed4ee2acfb8f04c1cc399199b461d10d886cdded7bc7", kill_on_drop: false }`
[INFO] [stdout] fcd4995bf3951cf02aaaed4ee2acfb8f04c1cc399199b461d10d886cdded7bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d4d6a82a4baf42aeb4f9370246be217d3985a9775e6c8880d44d31f9e53179b
[INFO] running `Command { std: "docker" "start" "-a" "0d4d6a82a4baf42aeb4f9370246be217d3985a9775e6c8880d44d31f9e53179b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking aoc2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `SAMPLE_SPREADSHEET`
[INFO] [stdout]  --> src/bin/aoc2.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / const SAMPLE_SPREADSHEET: &'static [&'static [Option<u64>]] = &[
[INFO] [stdout] 3 | |     &[Some(5), Some(1), Some(9), Some(5)],
[INFO] [stdout] 4 | |     &[Some(7), Some(5), Some(3), None],
[INFO] [stdout] 5 | |     &[Some(2), Some(4), Some(6), Some(8)],
[INFO] [stdout] 6 | | ];
[INFO] [stdout]   | |__^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAMPLE_SPREADSHEET1`
[INFO] [stdout]   --> src/bin/aoc2.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / const SAMPLE_SPREADSHEET1: &'static [&'static [u64]] = &[
[INFO] [stdout] 9  | |     &[5, 9, 2, 8],
[INFO] [stdout] 10 | |     &[9, 4, 7, 3],
[INFO] [stdout] 11 | |     &[3, 8, 6, 5],
[INFO] [stdout] 12 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAMPLE_SPREADSHEET`
[INFO] [stdout]  --> src/bin/aoc2.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / const SAMPLE_SPREADSHEET: &'static [&'static [Option<u64>]] = &[
[INFO] [stdout] 3 | |     &[Some(5), Some(1), Some(9), Some(5)],
[INFO] [stdout] 4 | |     &[Some(7), Some(5), Some(3), None],
[INFO] [stdout] 5 | |     &[Some(2), Some(4), Some(6), Some(8)],
[INFO] [stdout] 6 | | ];
[INFO] [stdout]   | |__^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SAMPLE_SPREADSHEET1`
[INFO] [stdout]   --> src/bin/aoc2.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / const SAMPLE_SPREADSHEET1: &'static [&'static [u64]] = &[
[INFO] [stdout] 9  | |     &[5, 9, 2, 8],
[INFO] [stdout] 10 | |     &[9, 4, 7, 3],
[INFO] [stdout] 11 | |     &[3, 8, 6, 5],
[INFO] [stdout] 12 | | ];
[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 30.93s
[INFO] running `Command { std: "docker" "inspect" "0d4d6a82a4baf42aeb4f9370246be217d3985a9775e6c8880d44d31f9e53179b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4d6a82a4baf42aeb4f9370246be217d3985a9775e6c8880d44d31f9e53179b", kill_on_drop: false }`
[INFO] [stdout] 0d4d6a82a4baf42aeb4f9370246be217d3985a9775e6c8880d44d31f9e53179b