[INFO] cloning repository https://github.com/triorph/sudoku_solver.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triorph/sudoku_solver.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriorph%2Fsudoku_solver.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriorph%2Fsudoku_solver.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb1ea49d7004a5273172d8275e5cf152a833bdd3
[INFO] documenting triorph/sudoku_solver.rs 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%2Ftriorph%2Fsudoku_solver.rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/triorph/sudoku_solver.rs 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/triorph/sudoku_solver.rs
[INFO] finished tweaking git repo https://github.com/triorph/sudoku_solver.rs
[INFO] tweaked toml for git repo https://github.com/triorph/sudoku_solver.rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/triorph/sudoku_solver.rs 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 81957da751c2907f7bc5d22b7bb6e1e785386af2201b7eff877ad53f5454b8b6
[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" "81957da751c2907f7bc5d22b7bb6e1e785386af2201b7eff877ad53f5454b8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81957da751c2907f7bc5d22b7bb6e1e785386af2201b7eff877ad53f5454b8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81957da751c2907f7bc5d22b7bb6e1e785386af2201b7eff877ad53f5454b8b6", kill_on_drop: false }`
[INFO] [stdout] 81957da751c2907f7bc5d22b7bb6e1e785386af2201b7eff877ad53f5454b8b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ffdc0b19e46e9112e3c6aa89ec8ba916b78ea65a2fef04a89e9031f0e816efed
[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" "ffdc0b19e46e9112e3c6aa89ec8ba916b78ea65a2fef04a89e9031f0e816efed", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling peg-macros v0.8.0
[INFO] [stderr]     Checking peg v0.8.0
[INFO] [stderr]  Documenting sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.77s
[INFO] running `Command { std: "docker" "inspect" "ffdc0b19e46e9112e3c6aa89ec8ba916b78ea65a2fef04a89e9031f0e816efed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffdc0b19e46e9112e3c6aa89ec8ba916b78ea65a2fef04a89e9031f0e816efed", kill_on_drop: false }`
[INFO] [stdout] ffdc0b19e46e9112e3c6aa89ec8ba916b78ea65a2fef04a89e9031f0e816efed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 106e718e02894e67a15de954de1849a3b3be82b714e90205bed2f1a0612fabe7
[INFO] running `Command { std: "docker" "start" "-a" "106e718e02894e67a15de954de1849a3b3be82b714e90205bed2f1a0612fabe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling peg-runtime v0.8.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling peg-macros v0.8.0
[INFO] [stderr]     Checking peg v0.8.0
[INFO] [stderr]  Documenting sudoku_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of "!", "#", "##", "$", "&", "(", "/", ";", "<", "@", "crate", "expected", "position", "precedence", "pub", "quiet", "rule", "use", "}"
[INFO] [stdout]   --> src/parser.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | / peg::parser! {
[INFO] [stdout] 6  | |     grammar sudoku_parser() for str {
[INFO] [stdout] 7  | |         rule filled_cell() -> SudokuValue
[INFO] [stdout] 8  | |             = n:$(['0'..='9']) { SudokuValue::from_digit(n.chars().next().unwrap()) }
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | |     }
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `peg::parser` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `sudoku_solver`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name sudoku_solver src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=0e2f5b2e6f013397 -L dependency=/opt/rustwide/target/debug/deps --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern peg=/opt/rustwide/target/debug/deps/libpeg-c3334023ca1dc9e9.rmeta --extern-html-root-url 'itertools=https://docs.rs/itertools/0.10.3/' --extern-html-root-url 'peg=https://docs.rs/peg/0.8.0/' -Zunstable-options --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "106e718e02894e67a15de954de1849a3b3be82b714e90205bed2f1a0612fabe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "106e718e02894e67a15de954de1849a3b3be82b714e90205bed2f1a0612fabe7", kill_on_drop: false }`
[INFO] [stdout] 106e718e02894e67a15de954de1849a3b3be82b714e90205bed2f1a0612fabe7