[INFO] cloning repository https://github.com/ptrkalm/AoC2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ptrkalm/AoC2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrkalm%2FAoC2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrkalm%2FAoC2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de2c37400a3906dc4cffea78a7bf72cb2d3d3bdd
[INFO] testing ptrkalm/AoC2020 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fptrkalm%2FAoC2020" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ptrkalm/AoC2020 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ptrkalm/AoC2020
[INFO] finished tweaking git repo https://github.com/ptrkalm/AoC2020
[INFO] tweaked toml for git repo https://github.com/ptrkalm/AoC2020 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ptrkalm/AoC2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reduce v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c720c71cf60094c3b3620c89469be8443a3d052d121ce55414961370f7a7ccf
[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" "9c720c71cf60094c3b3620c89469be8443a3d052d121ce55414961370f7a7ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c720c71cf60094c3b3620c89469be8443a3d052d121ce55414961370f7a7ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c720c71cf60094c3b3620c89469be8443a3d052d121ce55414961370f7a7ccf", kill_on_drop: false }`
[INFO] [stdout] 9c720c71cf60094c3b3620c89469be8443a3d052d121ce55414961370f7a7ccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 598b87663ff788b87b1c67f1e8bee9b2d66dd2e560bc00a2d4580f06fea08b91
[INFO] running `Command { std: "docker" "start" "-a" "598b87663ff788b87b1c67f1e8bee9b2d66dd2e560bc00a2d4580f06fea08b91", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling reduce v0.1.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> src/day06.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |         .reduce(|a, b| a.intersection(&b).cloned().collect())
[INFO] [stdout]    |          ^^^^^^ multiple `reduce` found
[INFO] [stdout]    |
[INFO] [stdout]    = note: candidate #1 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Iterator` for the type `std::vec::IntoIter<T, A>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 18 ~     .map(|group| Reduce::reduce(group
[INFO] [stdout] 19 +         .lines()
[INFO] [stdout] 20 +         .map(|line| line
[INFO] [stdout] 21 +             .chars()
[INFO] [stdout] 22 +             .collect::<HashSet<char>>())
[INFO] [stdout] 23 +         .collect::<Vec<HashSet<char>>>()
[INFO] [stdout]  ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 18 ~     .map(|group| Iterator::reduce(group
[INFO] [stdout] 19 +         .lines()
[INFO] [stdout] 20 +         .map(|line| line
[INFO] [stdout] 21 +             .chars()
[INFO] [stdout] 22 +             .collect::<HashSet<char>>())
[INFO] [stdout] 23 +         .collect::<Vec<HashSet<char>>>()
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]  --> src/day06.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use reduce::Reduce;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "598b87663ff788b87b1c67f1e8bee9b2d66dd2e560bc00a2d4580f06fea08b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598b87663ff788b87b1c67f1e8bee9b2d66dd2e560bc00a2d4580f06fea08b91", kill_on_drop: false }`
[INFO] [stdout] 598b87663ff788b87b1c67f1e8bee9b2d66dd2e560bc00a2d4580f06fea08b91