[INFO] cloning repository https://github.com/NinProf/Advent-of-Code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NinProf/Advent-of-Code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinProf%2FAdvent-of-Code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinProf%2FAdvent-of-Code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2ca49967cc6dfef5ec4d95d295d7966227f9bc7
[INFO] testing NinProf/Advent-of-Code-2020 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinProf%2FAdvent-of-Code-2020" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NinProf/Advent-of-Code-2020 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NinProf/Advent-of-Code-2020
[INFO] finished tweaking git repo https://github.com/NinProf/Advent-of-Code-2020
[INFO] tweaked toml for git repo https://github.com/NinProf/Advent-of-Code-2020 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/NinProf/Advent-of-Code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d5e4e8f2123105e688eb6854761211a8c811f9a0a96accf7d0b057b059c3475
[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" "6d5e4e8f2123105e688eb6854761211a8c811f9a0a96accf7d0b057b059c3475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5e4e8f2123105e688eb6854761211a8c811f9a0a96accf7d0b057b059c3475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5e4e8f2123105e688eb6854761211a8c811f9a0a96accf7d0b057b059c3475", kill_on_drop: false }`
[INFO] [stdout] 6d5e4e8f2123105e688eb6854761211a8c811f9a0a96accf7d0b057b059c3475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "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] 475bcf906a0b0424d987a922ab82c87f1f18f5cb793ba873ded24ed030cc349f
[INFO] running `Command { std: "docker" "start" "-a" "475bcf906a0b0424d987a922ab82c87f1f18f5cb793ba873ded24ed030cc349f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling reduce v0.1.3
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]    Compiling day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]    Compiling day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]    Compiling day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]    Compiling day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]    Compiling day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]    Compiling day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]    Compiling day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]    Compiling day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]    Compiling day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]    Compiling day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]    Compiling day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]    Compiling day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]    Compiling day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]    Compiling day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]    Compiling day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> day03/src/field.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |             .reduce(|old, new| match (old, new) {
[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 `Enumerate<I>`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 61 ~         let result = Reduce::reduce(values
[INFO] [stdout] 62 +             .iter()
[INFO] [stdout] 63 +             .map(|v| Option::Some(v.len()))
[INFO] [stdout] 64 +             .enumerate(), |old, new| match (old, new) {
[INFO] [stdout] 65 +                 // propagate none
[INFO] [stdout] 66 +                 ((x, None), _) => (x, None),
[INFO] [stdout]  ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 61 ~         let result = Iterator::reduce(values
[INFO] [stdout] 62 +             .iter()
[INFO] [stdout] 63 +             .map(|v| Option::Some(v.len()))
[INFO] [stdout] 64 +             .enumerate(), |old, new| match (old, new) {
[INFO] [stdout] 65 +                 // propagate none
[INFO] [stdout] 66 +                 ((x, None), _) => (x, None),
[INFO] [stdout]  ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `reduce::Reduce`
[INFO] [stdout]  --> day03/src/field.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 `day03` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "475bcf906a0b0424d987a922ab82c87f1f18f5cb793ba873ded24ed030cc349f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475bcf906a0b0424d987a922ab82c87f1f18f5cb793ba873ded24ed030cc349f", kill_on_drop: false }`
[INFO] [stdout] 475bcf906a0b0424d987a922ab82c87f1f18f5cb793ba873ded24ed030cc349f