[INFO] cloning repository https://github.com/guillermomuntaner/AdventOfCode2020-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guillermomuntaner/AdventOfCode2020-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillermomuntaner%2FAdventOfCode2020-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillermomuntaner%2FAdventOfCode2020-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ef0d39f94841e93847264e3afd1df3e8a0335f2
[INFO] testing guillermomuntaner/AdventOfCode2020-Rust against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillermomuntaner%2FAdventOfCode2020-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/guillermomuntaner/AdventOfCode2020-Rust
[INFO] finished tweaking git repo https://github.com/guillermomuntaner/AdventOfCode2020-Rust
[INFO] tweaked toml for git repo https://github.com/guillermomuntaner/AdventOfCode2020-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/guillermomuntaner/AdventOfCode2020-Rust on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/guillermomuntaner/AdventOfCode2020-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b02133614398285d5ab6957c04261e6a3bca7659b82c71ee8d3884e54f520b59
[INFO] running `Command { std: "docker" "start" "-a" "b02133614398285d5ab6957c04261e6a3bca7659b82c71ee8d3884e54f520b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02133614398285d5ab6957c04261e6a3bca7659b82c71ee8d3884e54f520b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02133614398285d5ab6957c04261e6a3bca7659b82c71ee8d3884e54f520b59", kill_on_drop: false }`
[INFO] [stdout] b02133614398285d5ab6957c04261e6a3bca7659b82c71ee8d3884e54f520b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a25bc8bc431366e7979b84bd5e4e8129d7e87286f940688cac92568fa8b9ee3e
[INFO] running `Command { std: "docker" "start" "-a" "a25bc8bc431366e7979b84bd5e4e8129d7e87286f940688cac92568fa8b9ee3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling reduce v0.1.3
[INFO] [stderr]    Compiling array2d v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling advent_of_code2020_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/day16.rs:228:10
[INFO] [stdout]     |
[INFO] [stdout] 228 |         .reduce(|a, b| a * b)
[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 `Map<I, F>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 225 ~     Reduce::reduce(departure_fields
[INFO] [stdout] 226 +         .iter()
[INFO] [stdout] 227 +         .map(|(position, _)| my_ticket[*position]), |a, b| a * b)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 225 ~     Iterator::reduce(departure_fields
[INFO] [stdout] 226 +         .iter()
[INFO] [stdout] 227 +         .map(|(position, _)| my_ticket[*position]), |a, b| a * b)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/day19.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |                         .reduce(|left, right| {
[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 `Map<I, F>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 124 ~                     Reduce::reduce(group
[INFO] [stdout] 125 +                         .iter()
[INFO] [stdout] 126 +                         .map(|pointer| fill(pointer, rules)), |left, right| {
[INFO] [stdout] 127 +                             left.iter()
[INFO] [stdout] 128 +                                 .flat_map(|a| {
[INFO] [stdout] 129 +                                     right
[INFO] [stdout] 130 +                                         .iter()
[INFO] [stdout] 131 +                                         .map(|b| {
[INFO] [stdout] 132 +                                             let owned_string: String = a.to_owned();
[INFO] [stdout] 133 +                                             let another_owned_string: String = b.to_owned();
[INFO] [stdout] 134 +                                             format!("{}{}", owned_string, another_owned_string)
[INFO] [stdout] 135 +                                         })
[INFO] [stdout] 136 +                                         .collect::<Vec<_>>()
[INFO] [stdout] 137 +                                 })
[INFO] [stdout] 138 +                                 .collect::<Vec<_>>()
[INFO] [stdout] 139 +                         })
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 124 ~                     Iterator::reduce(group
[INFO] [stdout] 125 +                         .iter()
[INFO] [stdout] 126 +                         .map(|pointer| fill(pointer, rules)), |left, right| {
[INFO] [stdout] 127 +                             left.iter()
[INFO] [stdout] 128 +                                 .flat_map(|a| {
[INFO] [stdout] 129 +                                     right
[INFO] [stdout] 130 +                                         .iter()
[INFO] [stdout] 131 +                                         .map(|b| {
[INFO] [stdout] 132 +                                             let owned_string: String = a.to_owned();
[INFO] [stdout] 133 +                                             let another_owned_string: String = b.to_owned();
[INFO] [stdout] 134 +                                             format!("{}{}", owned_string, another_owned_string)
[INFO] [stdout] 135 +                                         })
[INFO] [stdout] 136 +                                         .collect::<Vec<_>>()
[INFO] [stdout] 137 +                                 })
[INFO] [stdout] 138 +                                 .collect::<Vec<_>>()
[INFO] [stdout] 139 +                         })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/day3.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 |         .reduce(|a, b| a * b)
[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 `Map<I, F>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 127 ~     Reduce::reduce(slopes
[INFO] [stdout] 128 +         .iter()
[INFO] [stdout] 129 +         .map(|slope| calculate_cut_trees_for_toboggan(&tree_map, slope.0, slope.1) as i64), |a, b| a * b)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 127 ~     Iterator::reduce(slopes
[INFO] [stdout] 128 +         .iter()
[INFO] [stdout] 129 +         .map(|slope| calculate_cut_trees_for_toboggan(&tree_map, slope.0, slope.1) as i64), |a, b| a * b)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/day6.rs:102:18
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 .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 `Map<I, F>`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout]  99 ~             Reduce::reduce(group
[INFO] [stdout] 100 +                 .iter()
[INFO] [stdout] 101 +                 .map::<HashSet<char>, _>(|line| line.chars().collect()), |a, b| a.intersection(&b).cloned().collect())
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout]  99 ~             Iterator::reduce(group
[INFO] [stdout] 100 +                 .iter()
[INFO] [stdout] 101 +                 .map::<HashSet<char>, _>(|line| line.chars().collect()), |a, b| a.intersection(&b).cloned().collect())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent_of_code2020_rust` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a25bc8bc431366e7979b84bd5e4e8129d7e87286f940688cac92568fa8b9ee3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25bc8bc431366e7979b84bd5e4e8129d7e87286f940688cac92568fa8b9ee3e", kill_on_drop: false }`
[INFO] [stdout] a25bc8bc431366e7979b84bd5e4e8129d7e87286f940688cac92568fa8b9ee3e
