[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] checking guillermomuntaner/AdventOfCode2020-Rust against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillermomuntaner%2FAdventOfCode2020-Rust" "/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/guillermomuntaner/AdventOfCode2020-Rust on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/guillermomuntaner/AdventOfCode2020-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array2d v0.2.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 179764f3a672e607d1823dbf6626b46f345466b69275398bcad4c4aa2504380a
[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" "179764f3a672e607d1823dbf6626b46f345466b69275398bcad4c4aa2504380a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "179764f3a672e607d1823dbf6626b46f345466b69275398bcad4c4aa2504380a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179764f3a672e607d1823dbf6626b46f345466b69275398bcad4c4aa2504380a", kill_on_drop: false }`
[INFO] [stdout] 179764f3a672e607d1823dbf6626b46f345466b69275398bcad4c4aa2504380a
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74c5a526799a8e71a34b25a37a5a53eecc70e08d0d3e92353fdb8ddf20395954
[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" "74c5a526799a8e71a34b25a37a5a53eecc70e08d0d3e92353fdb8ddf20395954", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking array2d v0.2.1
[INFO] [stderr]     Checking reduce v0.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking 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 `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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] help: disambiguate the associated function for candidate #2
[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] 
[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 `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[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]   ...
[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 `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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] help: disambiguate the associated function for candidate #2
[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] 
[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 `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[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] help: disambiguate the associated function for candidate #2
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]   --> src/day16.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | use reduce::Reduce;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]   --> src/day19.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use reduce::Reduce;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]    --> src/day3.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | use reduce::Reduce;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]   --> src/day6.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | use reduce::Reduce;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings 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 `advent_of_code2020_rust`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "74c5a526799a8e71a34b25a37a5a53eecc70e08d0d3e92353fdb8ddf20395954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c5a526799a8e71a34b25a37a5a53eecc70e08d0d3e92353fdb8ddf20395954", kill_on_drop: false }`
[INFO] [stdout] 74c5a526799a8e71a34b25a37a5a53eecc70e08d0d3e92353fdb8ddf20395954