[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd9ad914e74fa39179925f40556282fda686f6cc
[INFO] documenting PewPewPewcoding/rust-tictactoe against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPewPewPewcoding%2Frust-tictactoe" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PewPewPewcoding/rust-tictactoe on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6125f03c0a76cdc1235ea48fd159d920d5981a6b754f2b27c71d083fc9d2ca9c
[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" "6125f03c0a76cdc1235ea48fd159d920d5981a6b754f2b27c71d083fc9d2ca9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6125f03c0a76cdc1235ea48fd159d920d5981a6b754f2b27c71d083fc9d2ca9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6125f03c0a76cdc1235ea48fd159d920d5981a6b754f2b27c71d083fc9d2ca9c", kill_on_drop: false }`
[INFO] [stdout] 6125f03c0a76cdc1235ea48fd159d920d5981a6b754f2b27c71d083fc9d2ca9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cc6832182aa73f7ea97e69832da6374c2257373694468c9f11b73ac6c3c57e9
[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" "3cc6832182aa73f7ea97e69832da6374c2257373694468c9f11b73ac6c3c57e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting tictactoe v0.1.0 (/opt/rustwide/workdir)
[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] [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 `tictactoe`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[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 --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "3cc6832182aa73f7ea97e69832da6374c2257373694468c9f11b73ac6c3c57e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc6832182aa73f7ea97e69832da6374c2257373694468c9f11b73ac6c3c57e9", kill_on_drop: false }`
[INFO] [stdout] 3cc6832182aa73f7ea97e69832da6374c2257373694468c9f11b73ac6c3c57e9