[INFO] updating cached repository https://github.com/mthh/morpion-rs
[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] 8e12a65a5296f9b91975449cd0154feb37d80af2
[INFO] documenting mthh/morpion-rs against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthh%2Fmorpion-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mthh/morpion-rs on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mthh/morpion-rs
[INFO] finished tweaking git repo https://github.com/mthh/morpion-rs
[INFO] tweaked toml for git repo https://github.com/mthh/morpion-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mthh/morpion-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6e0675fbe092c549b635abf6258a027fbc4a8fa82cc7ab35aa6da752d9c4060
[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" "f6e0675fbe092c549b635abf6258a027fbc4a8fa82cc7ab35aa6da752d9c4060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e0675fbe092c549b635abf6258a027fbc4a8fa82cc7ab35aa6da752d9c4060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e0675fbe092c549b635abf6258a027fbc4a8fa82cc7ab35aa6da752d9c4060", kill_on_drop: false }`
[INFO] [stdout] f6e0675fbe092c549b635abf6258a027fbc4a8fa82cc7ab35aa6da752d9c4060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51fbb92770a761cf2369b1d3b0980923ac6567d5ec0185e1c502406704add29b
[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" "51fbb92770a761cf2369b1d3b0980923ac6567d5ec0185e1c502406704add29b", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]  Documenting morpion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/main.rs:207:5
[INFO] [stdout]     |
[INFO] [stdout] 207 | /     ((board.board[0] == player && board.board[1] == player && board.board[2] == player) ||
[INFO] [stdout] 208 | |         (board.board[3] == player && board.board[4] == player && board.board[5] == player) ||
[INFO] [stdout] 209 | |         (board.board[6] == player && board.board[7] == player && board.board[8] == player) ||
[INFO] [stdout] 210 | |         (board.board[0] == player && board.board[3] == player && board.board[6] == player) ||
[INFO] [stdout] ...   |
[INFO] [stdout] 213 | |         (board.board[0] == player && board.board[4] == player && board.board[8] == player) ||
[INFO] [stdout] 214 | |         (board.board[2] == player && board.board[4] == player && board.board[6] == player))
[INFO] [stdout]     | |___________________________________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 207 |     (board.board[0] == player && board.board[1] == player && board.board[2] == player) ||
[INFO] [stdout] 208 |         (board.board[3] == player && board.board[4] == player && board.board[5] == player) ||
[INFO] [stdout] 209 |         (board.board[6] == player && board.board[7] == player && board.board[8] == player) ||
[INFO] [stdout] 210 |         (board.board[0] == player && board.board[3] == player && board.board[6] == player) ||
[INFO] [stdout] 211 |         (board.board[1] == player && board.board[4] == player && board.board[7] == player) ||
[INFO] [stdout] 212 |         (board.board[2] == player && board.board[5] == player && board.board[8] == player) ||
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "51fbb92770a761cf2369b1d3b0980923ac6567d5ec0185e1c502406704add29b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51fbb92770a761cf2369b1d3b0980923ac6567d5ec0185e1c502406704add29b", kill_on_drop: false }`
[INFO] [stdout] 51fbb92770a761cf2369b1d3b0980923ac6567d5ec0185e1c502406704add29b