[INFO] cloning repository https://github.com/ntzm/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ntzm/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntzm%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntzm%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd3a9f12dd0c805b877ad3797423a2cfbf1db335
[INFO] testing ntzm/aoc-2020 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fntzm%2Faoc-2020" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ntzm/aoc-2020
[INFO] finished tweaking git repo https://github.com/ntzm/aoc-2020
[INFO] tweaked toml for git repo https://github.com/ntzm/aoc-2020 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ntzm/aoc-2020 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ntzm/aoc-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95119bb0dafef4be194c186b661c7210f571f64d5de5051b9062d1d5384546ad
[INFO] running `Command { std: "docker" "start" "-a" "95119bb0dafef4be194c186b661c7210f571f64d5de5051b9062d1d5384546ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95119bb0dafef4be194c186b661c7210f571f64d5de5051b9062d1d5384546ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95119bb0dafef4be194c186b661c7210f571f64d5de5051b9062d1d5384546ad", kill_on_drop: false }`
[INFO] [stdout] 95119bb0dafef4be194c186b661c7210f571f64d5de5051b9062d1d5384546ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f039162e97a7eaed053aef578c0540a0b341993b0649f029a16f0eb0c27c9366
[INFO] running `Command { std: "docker" "start" "-a" "f039162e97a7eaed053aef578c0540a0b341993b0649f029a16f0eb0c27c9366", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc-2020-rs 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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<I, F>` in the current scope
[INFO] [stdout]   --> src/day_06.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 20 | /             group
[INFO] [stdout] 21 | |                 .split("\n")
[INFO] [stdout] 22 | |                 .map(|person| person.chars().collect::<BTreeSet<char>>())
[INFO] [stdout] 23 | |                 .fold_first(|a, b| a.intersection(&b).cloned().collect())
[INFO] [stdout]    | |                 -^^^^^^^^^^ method not found in `Map<std::str::Split<'_, &str>, {closure@src/day_06.rs:22:22: 22:30}>`
[INFO] [stdout]    | |_________________|
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/day_06.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 .fold_first(|a, b| a.intersection(&b).cloned().collect())
[INFO] [stdout]    |                              ^     - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 .fold_first(|a: /* Type */, b| a.intersection(&b).cloned().collect())
[INFO] [stdout]    |                               ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-2020-rs` (bin "aoc-2020-rs") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f039162e97a7eaed053aef578c0540a0b341993b0649f029a16f0eb0c27c9366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f039162e97a7eaed053aef578c0540a0b341993b0649f029a16f0eb0c27c9366", kill_on_drop: false }`
[INFO] [stdout] f039162e97a7eaed053aef578c0540a0b341993b0649f029a16f0eb0c27c9366
