[INFO] cloning repository https://github.com/8thMage/adventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/8thMage/adventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8thMage%2FadventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8thMage%2FadventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c06273ce33a35930128b227ade7c157389780846
[INFO] testing 8thMage/adventOfCode2020 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F8thMage%2FadventOfCode2020" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/8thMage/adventOfCode2020 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/8thMage/adventOfCode2020
[INFO] finished tweaking git repo https://github.com/8thMage/adventOfCode2020
[INFO] tweaked toml for git repo https://github.com/8thMage/adventOfCode2020 written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/8thMage/adventOfCode2020 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] [stderr] warning: unused manifest key: package.debug
[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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] c2fec1c4fa0e5538c523bccbcd0f69c0a003ad55a3c3be8f1534ca8654f106fc
[INFO] running `Command { std: "docker" "start" "-a" "c2fec1c4fa0e5538c523bccbcd0f69c0a003ad55a3c3be8f1534ca8654f106fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fec1c4fa0e5538c523bccbcd0f69c0a003ad55a3c3be8f1534ca8654f106fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fec1c4fa0e5538c523bccbcd0f69c0a003ad55a3c3be8f1534ca8654f106fc", kill_on_drop: false }`
[INFO] [stdout] c2fec1c4fa0e5538c523bccbcd0f69c0a003ad55a3c3be8f1534ca8654f106fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] [stdout] dd9e4398c635763541250545bf3f93f1bd24d4bd260db44ec87b9face8b800e3
[INFO] running `Command { std: "docker" "start" "-a" "dd9e4398c635763541250545bf3f93f1bd24d4bd260db44ec87b9face8b800e3", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.debug
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `HashSet00000` in this scope
[INFO] [stdout]  --> src/main.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let twoLen = digits(2 * i).iter().cloned().collect::<HashSet00000<usize>>();
[INFO] [stdout]   |                                                              ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::panic`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::panic;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]  --> src/helpers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     'i: while i * i < new_a {
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dd9e4398c635763541250545bf3f93f1bd24d4bd260db44ec87b9face8b800e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9e4398c635763541250545bf3f93f1bd24d4bd260db44ec87b9face8b800e3", kill_on_drop: false }`
[INFO] [stdout] dd9e4398c635763541250545bf3f93f1bd24d4bd260db44ec87b9face8b800e3