[INFO] cloning repository https://github.com/jo-so/sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jo-so/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo-so%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo-so%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b22469244aec8752d5cb753792d71a506476b074
[INFO] documenting jo-so/sudoku-solver against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo-so%2Fsudoku-solver" "/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/jo-so/sudoku-solver on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jo-so/sudoku-solver
[INFO] finished tweaking git repo https://github.com/jo-so/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/jo-so/sudoku-solver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jo-so/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c119a0d2d149259b072b7217d2303f88192e5abb4268a15355c240eb879b66
[INFO] running `Command { std: "docker" "start" "-a" "14c119a0d2d149259b072b7217d2303f88192e5abb4268a15355c240eb879b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c119a0d2d149259b072b7217d2303f88192e5abb4268a15355c240eb879b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c119a0d2d149259b072b7217d2303f88192e5abb4268a15355c240eb879b66", kill_on_drop: false }`
[INFO] [stdout] 14c119a0d2d149259b072b7217d2303f88192e5abb4268a15355c240eb879b66
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26cfd02772d286cd58f18b20ba43e0a66bf5398d04ae13c6a827895f6768629b
[INFO] running `Command { std: "docker" "start" "-a" "26cfd02772d286cd58f18b20ba43e0a66bf5398d04ae13c6a827895f6768629b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]  Documenting sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:297:29
[INFO] [stdout]     |
[INFO] [stdout] 297 |                .38   .91   ...\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 298 | |
[INFO] [stdout] 299 | |              .52   93.   16.\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:301:29
[INFO] [stdout]     |
[INFO] [stdout] 301 |                .73   .64   98.\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 302 | |
[INFO] [stdout] 303 | |              ...   41.   25.\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:333:28
[INFO] [stdout]     |
[INFO] [stdout] 333 |                .16   .82  ...\
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 334 | |
[INFO] [stdout] 335 | |              2..   .5.  4..\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:337:28
[INFO] [stdout]     |
[INFO] [stdout] 337 |                641   ...  ..8\
[INFO] [stdout]     |  ____________________________^
[INFO] [stdout] 338 | |
[INFO] [stdout] 339 | |              ...   8..  ..7\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:370:29
[INFO] [stdout]     |
[INFO] [stdout] 370 |                3..   574   ...\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 371 | |
[INFO] [stdout] 372 | |              9..   6..   28-\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:374:29
[INFO] [stdout]     |
[INFO] [stdout] 374 |                81.   4..   ,,,\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 375 | |
[INFO] [stdout] 376 | |              ,,,   ..9   ,,2\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:407:29
[INFO] [stdout]     |
[INFO] [stdout] 407 |                83.   7..   ...\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 408 | |
[INFO] [stdout] 409 | |              5.3   ..1   6..\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:411:29
[INFO] [stdout]     |
[INFO] [stdout] 411 |                ..2   5..   8.9\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 412 | |
[INFO] [stdout] 413 | |              ...   ..7   .61\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/sudoku.rs:442:29
[INFO] [stdout]     |
[INFO] [stdout] 442 |                657   ..8   ...\
[INFO] [stdout]     |  _____________________________^
[INFO] [stdout] 443 | |
[INFO] [stdout] 444 | |              ...   2..   ...\
[INFO] [stdout]     | |_____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] running `Command { std: "docker" "inspect" "26cfd02772d286cd58f18b20ba43e0a66bf5398d04ae13c6a827895f6768629b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cfd02772d286cd58f18b20ba43e0a66bf5398d04ae13c6a827895f6768629b", kill_on_drop: false }`
[INFO] [stdout] 26cfd02772d286cd58f18b20ba43e0a66bf5398d04ae13c6a827895f6768629b