[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] checking NinProf/Advent-of-Code-2020/f2ca49967cc6dfef5ec4d95d295d7966227f9bc7 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNinProf%2FAdvent-of-Code-2020" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NinProf/Advent-of-Code-2020 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-1-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded reduce v0.1.3
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfdc0c722eb330312ae97138188fc27b4005314b2c7518f0485c7c807510acfc
[INFO] running `Command { std: "docker" "start" "-a" "bfdc0c722eb330312ae97138188fc27b4005314b2c7518f0485c7c807510acfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfdc0c722eb330312ae97138188fc27b4005314b2c7518f0485c7c807510acfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdc0c722eb330312ae97138188fc27b4005314b2c7518f0485c7c807510acfc", kill_on_drop: false }`
[INFO] [stdout] bfdc0c722eb330312ae97138188fc27b4005314b2c7518f0485c7c807510acfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de13cf0c1196e2028cfc852c88bf5936fea5ba20b4122601af13616fde132b3
[INFO] running `Command { std: "docker" "start" "-a" "6de13cf0c1196e2028cfc852c88bf5936fea5ba20b4122601af13616fde132b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking reduce v0.1.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr]     Checking day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]     Checking day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]     Checking day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]     Checking day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]     Checking day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]     Checking day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]     Checking day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]     Checking day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]     Checking day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]     Checking day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]     Checking day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]     Checking day04 v0.1.0 (/opt/rustwide/workdir/day04)
[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 `Iterator` for the type `Enumerate<I>`
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I`
[INFO] [stdout] help: disambiguate the method for candidate #1
[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] 67 +                 // last one is none. should never happen?
[INFO] [stdout] 68 +                 ((x, _), (_, None)) => (x, None),
[INFO] [stdout] 69 +                 // new one has different length than old -> pass the line number of error
[INFO] [stdout] 70 +                 ((_, Some(old)), (x, Some(new))) if old != new => (x, None),
[INFO] [stdout] 71 +                 // length should be equal -> pass new one
[INFO] [stdout] 72 +                 (_, (x, y)) => (x, y),
[INFO] [stdout] 73 ~             });
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[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] 67 +                 // last one is none. should never happen?
[INFO] [stdout] 68 +                 ((x, _), (_, None)) => (x, None),
[INFO] [stdout] 69 +                 // new one has different length than old -> pass the line number of error
[INFO] [stdout] 70 +                 ((_, Some(old)), (x, Some(new))) if old != new => (x, None),
[INFO] [stdout] 71 +                 // length should be equal -> pass new one
[INFO] [stdout] 72 +                 (_, (x, y)) => (x, y),
[INFO] [stdout] 73 ~             });
[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 `day03` (bin "day03" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6de13cf0c1196e2028cfc852c88bf5936fea5ba20b4122601af13616fde132b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de13cf0c1196e2028cfc852c88bf5936fea5ba20b4122601af13616fde132b3", kill_on_drop: false }`
[INFO] [stdout] 6de13cf0c1196e2028cfc852c88bf5936fea5ba20b4122601af13616fde132b3