[INFO] cloning repository https://github.com/PewPewPewcoding/rust-tictactoe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PewPewPewcoding/rust-tictactoe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPewPewPewcoding%2Frust-tictactoe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPewPewPewcoding%2Frust-tictactoe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd9ad914e74fa39179925f40556282fda686f6cc
[INFO] documenting PewPewPewcoding/rust-tictactoe 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%2FPewPewPewcoding%2Frust-tictactoe" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PewPewPewcoding/rust-tictactoe 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/PewPewPewcoding/rust-tictactoe
[INFO] finished tweaking git repo https://github.com/PewPewPewcoding/rust-tictactoe
[INFO] tweaked toml for git repo https://github.com/PewPewPewcoding/rust-tictactoe written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/PewPewPewcoding/rust-tictactoe 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] [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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 0dd21db7c7c3a57995c0c18c3ffb1e4d297db4e0c11385e9557d2a6ae2ec3821
[INFO] running `Command { std: "docker" "start" "-a" "0dd21db7c7c3a57995c0c18c3ffb1e4d297db4e0c11385e9557d2a6ae2ec3821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd21db7c7c3a57995c0c18c3ffb1e4d297db4e0c11385e9557d2a6ae2ec3821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd21db7c7c3a57995c0c18c3ffb1e4d297db4e0c11385e9557d2a6ae2ec3821", kill_on_drop: false }`
[INFO] [stdout] 0dd21db7c7c3a57995c0c18c3ffb1e4d297db4e0c11385e9557d2a6ae2ec3821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 5447344d4a45918b6f23201a97f51d1964cf1b7ce4973dfa531623c3ff3153e9
[INFO] running `Command { std: "docker" "start" "-a" "5447344d4a45918b6f23201a97f51d1964cf1b7ce4973dfa531623c3ff3153e9", kill_on_drop: false }`
[INFO] [stderr]  Documenting tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `tictactoe`
[INFO] [stdout] error: `mut` must be attached to each individual binding
[INFO] [stdout]   --> src/lib.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let mut (x, o, e) = (0, 0, 0);
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: add `mut` to each binding: `(mut x, mut o, mut e)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `mut` may be followed by `variable` and `variable @ pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tictactoe src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=58e4d5d14f1d4bca -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5447344d4a45918b6f23201a97f51d1964cf1b7ce4973dfa531623c3ff3153e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5447344d4a45918b6f23201a97f51d1964cf1b7ce4973dfa531623c3ff3153e9", kill_on_drop: false }`
[INFO] [stdout] 5447344d4a45918b6f23201a97f51d1964cf1b7ce4973dfa531623c3ff3153e9