[INFO] cloning repository https://github.com/njvrzm/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njvrzm/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjvrzm%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjvrzm%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 025a26882894425494c5125b8a7b0098053556ff
[INFO] testing njvrzm/aoc2020 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjvrzm%2Faoc2020" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njvrzm/aoc2020 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njvrzm/aoc2020
[INFO] finished tweaking git repo https://github.com/njvrzm/aoc2020
[INFO] tweaked toml for git repo https://github.com/njvrzm/aoc2020 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/njvrzm/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ff24fd0f2825b8ceec40c76fb1312a7634672a736ee5c901c24671c3fbc96a
[INFO] running `Command { std: "docker" "start" "-a" "05ff24fd0f2825b8ceec40c76fb1312a7634672a736ee5c901c24671c3fbc96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ff24fd0f2825b8ceec40c76fb1312a7634672a736ee5c901c24671c3fbc96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ff24fd0f2825b8ceec40c76fb1312a7634672a736ee5c901c24671c3fbc96a", kill_on_drop: false }`
[INFO] [stdout] 05ff24fd0f2825b8ceec40c76fb1312a7634672a736ee5c901c24671c3fbc96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0df77c3cc0aae2525ca47792b19b7ec3fc3ee04f75fd5cfd484223b784d4c29e
[INFO] running `Command { std: "docker" "start" "-a" "0df77c3cc0aae2525ca47792b19b7ec3fc3ee04f75fd5cfd484223b784d4c29e", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/nineteen.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use itertools::Itertools;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/twenty_two.rs:34:30
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn recurse(&self) -> &Deck {
[INFO] [stdout]    |            -------           ^^^^^ expected `&Deck`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "0df77c3cc0aae2525ca47792b19b7ec3fc3ee04f75fd5cfd484223b784d4c29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df77c3cc0aae2525ca47792b19b7ec3fc3ee04f75fd5cfd484223b784d4c29e", kill_on_drop: false }`
[INFO] [stdout] 0df77c3cc0aae2525ca47792b19b7ec3fc3ee04f75fd5cfd484223b784d4c29e