[INFO] cloning repository https://github.com/ErikLjungdahl/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErikLjungdahl/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikLjungdahl%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikLjungdahl%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b53b5ba4072c55c7e0551b94b9167fe4f3ec222
[INFO] checking ErikLjungdahl/aoc2020 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikLjungdahl%2Faoc2020" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErikLjungdahl/aoc2020 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ErikLjungdahl/aoc2020
[INFO] finished tweaking git repo https://github.com/ErikLjungdahl/aoc2020
[INFO] tweaked toml for git repo https://github.com/ErikLjungdahl/aoc2020 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ErikLjungdahl/aoc2020 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 925156365d4307307f149fe7ea0f7dd5cf756d0ba30dd61a8404188e9a4b63a0
[INFO] running `Command { std: "docker" "start" "-a" "925156365d4307307f149fe7ea0f7dd5cf756d0ba30dd61a8404188e9a4b63a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "925156365d4307307f149fe7ea0f7dd5cf756d0ba30dd61a8404188e9a4b63a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "925156365d4307307f149fe7ea0f7dd5cf756d0ba30dd61a8404188e9a4b63a0", kill_on_drop: false }`
[INFO] [stdout] 925156365d4307307f149fe7ea0f7dd5cf756d0ba30dd61a8404188e9a4b63a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c865c5bc0e0c5cdf9c9280547f14c081abbc3726ccd2651f8d4bfb3cf258318
[INFO] running `Command { std: "docker" "start" "-a" "1c865c5bc0e0c5cdf9c9280547f14c081abbc3726ccd2651f8d4bfb3cf258318", kill_on_drop: false }`
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_fold_self)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_fold_self)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope
[INFO] [stdout]   --> src/d6.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 28 | /             group
[INFO] [stdout] 29 | |                 .lines()
[INFO] [stdout] 30 | |                 .map(|line| line.chars().collect::<Vec<char>>())
[INFO] [stdout] 31 | |                 .fold_first(|p1, p2| p1.intersect(p2))
[INFO] [stdout]    | |                 -^^^^^^^^^^ method not found in `Map<Lines<'_>, [closure@d6.rs:30:22]>`
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `array_tool::vec::Intersect`
[INFO] [stdout]  --> src/d6.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use array_tool::vec::Intersect;
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2020` (bin "aoc2020") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `Map` in the current scope
[INFO] [stdout]   --> src/d6.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 28 | /             group
[INFO] [stdout] 29 | |                 .lines()
[INFO] [stdout] 30 | |                 .map(|line| line.chars().collect::<Vec<char>>())
[INFO] [stdout] 31 | |                 .fold_first(|p1, p2| p1.intersect(p2))
[INFO] [stdout]    | |                 -^^^^^^^^^^ method not found in `Map<Lines<'_>, [closure@d6.rs:30:22]>`
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `array_tool::vec::Intersect`
[INFO] [stdout]  --> src/d6.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use array_tool::vec::Intersect;
[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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2020` (bin "aoc2020" test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1c865c5bc0e0c5cdf9c9280547f14c081abbc3726ccd2651f8d4bfb3cf258318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c865c5bc0e0c5cdf9c9280547f14c081abbc3726ccd2651f8d4bfb3cf258318", kill_on_drop: false }`
[INFO] [stdout] 1c865c5bc0e0c5cdf9c9280547f14c081abbc3726ccd2651f8d4bfb3cf258318
