[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#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilianogc%2Fadventofcode-2020" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emilianogc/adventofcode-2020 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-12/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3aa1e5b58941e609c53b97be4710e20f70034a3b11968bfbbf89070c3ae4e3a5
[INFO] running `Command { std: "docker" "start" "-a" "3aa1e5b58941e609c53b97be4710e20f70034a3b11968bfbbf89070c3ae4e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3aa1e5b58941e609c53b97be4710e20f70034a3b11968bfbbf89070c3ae4e3a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa1e5b58941e609c53b97be4710e20f70034a3b11968bfbbf89070c3ae4e3a5", kill_on_drop: false }`
[INFO] [stdout] 3aa1e5b58941e609c53b97be4710e20f70034a3b11968bfbbf89070c3ae4e3a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 964729598aa0bb1c4c2a3b9126ed141b30269f0a5db4ec97605bbf018b6618be
[INFO] running `Command { std: "docker" "start" "-a" "964729598aa0bb1c4c2a3b9126ed141b30269f0a5db4ec97605bbf018b6618be", kill_on_drop: false }`
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking adventofcode-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/day4.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter` 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` 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] [stderr] error: could not compile `adventofcode-2020` due to 3 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/day18.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/day18.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `day11` in the crate root
[INFO] [stdout]    --> src/day11.rs:145:16
[INFO] [stdout]     |
[INFO] [stdout] 145 |     use crate::day11::Seat::{Empty, Floor, Occupied};
[INFO] [stdout]     |                ^^^^^ could not find `day11` in the crate root
[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]     |                ^^^^^ could not find `day11` in the crate root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/day4.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/day18.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `str_split_once` has been stable since 1.52.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/day18.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::vec::IntoIter` 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` 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] [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" "964729598aa0bb1c4c2a3b9126ed141b30269f0a5db4ec97605bbf018b6618be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964729598aa0bb1c4c2a3b9126ed141b30269f0a5db4ec97605bbf018b6618be", kill_on_drop: false }`
[INFO] [stdout] 964729598aa0bb1c4c2a3b9126ed141b30269f0a5db4ec97605bbf018b6618be