[INFO] cloning repository https://github.com/jdmeyer3/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdmeyer3/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmeyer3%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmeyer3%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed2d6962d5f3dfcfffafa194440443123d755524
[INFO] documenting jdmeyer3/adventofcode2020 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdmeyer3%2Fadventofcode2020" "/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/jdmeyer3/adventofcode2020 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdmeyer3/adventofcode2020
[INFO] finished tweaking git repo https://github.com/jdmeyer3/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/jdmeyer3/adventofcode2020 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jdmeyer3/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b61e79430b105ee22bda9685f9b775955c81da29b555def689ed4d87cd524a2b
[INFO] running `Command { std: "docker" "start" "-a" "b61e79430b105ee22bda9685f9b775955c81da29b555def689ed4d87cd524a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b61e79430b105ee22bda9685f9b775955c81da29b555def689ed4d87cd524a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b61e79430b105ee22bda9685f9b775955c81da29b555def689ed4d87cd524a2b", kill_on_drop: false }`
[INFO] [stdout] b61e79430b105ee22bda9685f9b775955c81da29b555def689ed4d87cd524a2b
[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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d32e98f3d02e572374869c192de31b876325011cfdcce325641f1e9eeff6afa
[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" "2d32e98f3d02e572374869c192de31b876325011cfdcce325641f1e9eeff6afa", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]  Documenting advent2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking advent2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day5.rs:41:24
[INFO] [stdout]    |
[INFO] [stdout] 41 |             let half = ((self.0 + self.1) / 2);
[INFO] [stdout]    |                        ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 -             let half = ((self.0 + self.1) / 2);
[INFO] [stdout] 41 +             let half = (self.0 + self.1) / 2;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]    --> src/bin/day11.rs:279:85
[INFO] [stdout]     |
[INFO] [stdout] 279 |     println!("{:?}", seating.seats.iter().filter(|&f| *f == Seat::Occupied).count())
[INFO] [stdout]     |                                                                                     ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 282 |     let input = std::fs::read_to_string("input/day11").unwrap();
[INFO] [stdout]     |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/bin/day12.rs:168:28
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 let turn = (num / 90);
[INFO] [stdout]     |                            ^        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -                 let turn = (num / 90);
[INFO] [stdout] 168 +                 let turn = num / 90;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/bin/day12.rs:172:28
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 let turn = (num / 90);
[INFO] [stdout]     |                            ^        ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -                 let turn = (num / 90);
[INFO] [stdout] 172 +                 let turn = num / 90;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `advent2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day11 src/bin/day11.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6164bff7dff83e6d -L dependency=/opt/rustwide/target/debug/deps --extern advent2020=/opt/rustwide/target/debug/deps/libadvent2020-b32d945d30e13fcd.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9ce1952b32a856c1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `advent2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day2 src/bin/day2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=acb9328025e81620 -L dependency=/opt/rustwide/target/debug/deps --extern advent2020=/opt/rustwide/target/debug/deps/libadvent2020-b32d945d30e13fcd.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9ce1952b32a856c1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day6 src/bin/day6.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c0e987c1069f871 -L dependency=/opt/rustwide/target/debug/deps --extern advent2020=/opt/rustwide/target/debug/deps/libadvent2020-b32d945d30e13fcd.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9ce1952b32a856c1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day5 src/bin/day5.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=68808ca17035b779 -L dependency=/opt/rustwide/target/debug/deps --extern advent2020=/opt/rustwide/target/debug/deps/libadvent2020-b32d945d30e13fcd.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9ce1952b32a856c1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day13 src/bin/day13.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=027772f96cda92de -L dependency=/opt/rustwide/target/debug/deps --extern advent2020=/opt/rustwide/target/debug/deps/libadvent2020-b32d945d30e13fcd.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9ce1952b32a856c1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent2020`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day8 src/bin/day8.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ed3b72c69de85a14 -L dependency=/opt/rustwide/target/debug/deps --extern advent2020=/opt/rustwide/target/debug/deps/libadvent2020-b32d945d30e13fcd.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-9ce1952b32a856c1.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-2be53ef7d3962f41.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d32e98f3d02e572374869c192de31b876325011cfdcce325641f1e9eeff6afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d32e98f3d02e572374869c192de31b876325011cfdcce325641f1e9eeff6afa", kill_on_drop: false }`
[INFO] [stdout] 2d32e98f3d02e572374869c192de31b876325011cfdcce325641f1e9eeff6afa