[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] testing ErikLjungdahl/aoc2020 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikLjungdahl%2Faoc2020" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErikLjungdahl/aoc2020 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-24/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: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d0ab2e484bfcfc6c3b98798420792f9d9aa70e3d755ffd1655298f952124e65
[INFO] running `Command { std: "docker" "start" "-a" "1d0ab2e484bfcfc6c3b98798420792f9d9aa70e3d755ffd1655298f952124e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d0ab2e484bfcfc6c3b98798420792f9d9aa70e3d755ffd1655298f952124e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0ab2e484bfcfc6c3b98798420792f9d9aa70e3d755ffd1655298f952124e65", kill_on_drop: false }`
[INFO] [stdout] 1d0ab2e484bfcfc6c3b98798420792f9d9aa70e3d755ffd1655298f952124e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8315bc6e6608cdc432f99f319ed6e20d080f304cbcd5316bd8fddac91b23e3d9
[INFO] running `Command { std: "docker" "start" "-a" "8315bc6e6608cdc432f99f319ed6e20d080f304cbcd5316bd8fddac91b23e3d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling array_tool v1.0.3
[INFO] [stderr]    Compiling aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(iterator_fold_self)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[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] 31 |                 .fold_first(|p1, p2| p1.intersect(p2))
[INFO] [stdout]    |                  ^^^^^^^^^^ method not found in `Map<std::str::Lines<'_>, [closure@src/d6.rs:30:22: 30:64]>`
[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] [stderr] error: could not compile `aoc2020` due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8315bc6e6608cdc432f99f319ed6e20d080f304cbcd5316bd8fddac91b23e3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8315bc6e6608cdc432f99f319ed6e20d080f304cbcd5316bd8fddac91b23e3d9", kill_on_drop: false }`
[INFO] [stdout] 8315bc6e6608cdc432f99f319ed6e20d080f304cbcd5316bd8fddac91b23e3d9