[INFO] cloning repository https://github.com/emilianogc/adventofcode-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emilianogc/adventofcode-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilianogc%2Fadventofcode-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilianogc%2Fadventofcode-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01a702c427a6e6ae8126caaa688f6256b1dfa205
[INFO] checking emilianogc/adventofcode-2020 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilianogc%2Fadventofcode-2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilianogc/adventofcode-2020 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emilianogc/adventofcode-2020
[INFO] finished tweaking git repo https://github.com/emilianogc/adventofcode-2020
[INFO] tweaked toml for git repo https://github.com/emilianogc/adventofcode-2020 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/emilianogc/adventofcode-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 780add7629b87098d21cfd2b8165ec40d8443453737b253201022b973a190df6
[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" "780add7629b87098d21cfd2b8165ec40d8443453737b253201022b973a190df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780add7629b87098d21cfd2b8165ec40d8443453737b253201022b973a190df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780add7629b87098d21cfd2b8165ec40d8443453737b253201022b973a190df6", kill_on_drop: false }`
[INFO] [stdout] 780add7629b87098d21cfd2b8165ec40d8443453737b253201022b973a190df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cde1056b0423a77d56d21a708cda4b18b5bf2c4aa90ce0627fa974e30dec485f
[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" "cde1056b0423a77d56d21a708cda4b18b5bf2c4aa90ce0627fa974e30dec485f", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking adventofcode-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter<BitSet>` in the current scope
[INFO] [stdout]   --> src/day6.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 |             .fold_first(|acc, v| acc.intersection(&v).collect::<BitSet>())
[INFO] [stdout]    |              ^^^^^^^^^^ method not found in `std::vec::IntoIter<BitSet>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter<BitSet>` in the current scope
[INFO] [stdout]   --> src/day6.rs:36:14
[INFO] [stdout]    |
[INFO] [stdout] 36 |             .fold_first(|acc, v| acc.union(&v).collect::<BitSet>())
[INFO] [stdout]    |              ^^^^^^^^^^ method not found in `std::vec::IntoIter<BitSet>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode-2020`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `day11`?
[INFO] [stdout]    --> src/day11.rs:145:16
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use crate::day11::Seat::{Empty, Floor, Occupied};
[INFO] [stdout]     |                ^^^^^ maybe a missing crate `day11`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::day11`
[INFO] [stdout]    --> src/day11.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |     use crate::day11::visible_seat_count;
[INFO] [stdout]     |                ^^^^^ maybe a missing crate `day11`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cde1056b0423a77d56d21a708cda4b18b5bf2c4aa90ce0627fa974e30dec485f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde1056b0423a77d56d21a708cda4b18b5bf2c4aa90ce0627fa974e30dec485f", kill_on_drop: false }`
[INFO] [stdout] cde1056b0423a77d56d21a708cda4b18b5bf2c4aa90ce0627fa974e30dec485f