[INFO] cloning repository https://github.com/lasagnaphil/minesweeper-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lasagnaphil/minesweeper-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flasagnaphil%2Fminesweeper-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flasagnaphil%2Fminesweeper-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47ba8090057e4dc2fb8b7ae575499ce6169f51b5
[INFO] documenting lasagnaphil/minesweeper-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%2Flasagnaphil%2Fminesweeper-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lasagnaphil/minesweeper-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/lasagnaphil/minesweeper-rs
[INFO] finished tweaking git repo https://github.com/lasagnaphil/minesweeper-rs
[INFO] tweaked toml for git repo https://github.com/lasagnaphil/minesweeper-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/lasagnaphil/minesweeper-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.6.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 7ef360ccfd1b96aa2aaf59e87ea3bab3b09cf1f52de2bf9e6aa86c5d62346597
[INFO] running `Command { std: "docker" "start" "-a" "7ef360ccfd1b96aa2aaf59e87ea3bab3b09cf1f52de2bf9e6aa86c5d62346597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ef360ccfd1b96aa2aaf59e87ea3bab3b09cf1f52de2bf9e6aa86c5d62346597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef360ccfd1b96aa2aaf59e87ea3bab3b09cf1f52de2bf9e6aa86c5d62346597", kill_on_drop: false }`
[INFO] [stdout] 7ef360ccfd1b96aa2aaf59e87ea3bab3b09cf1f52de2bf9e6aa86c5d62346597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] b320217d3de0e9dc624aa43c3a04512cf5ae21d31f30f6d33a1512fd89b2f80d
[INFO] running `Command { std: "docker" "start" "-a" "b320217d3de0e9dc624aa43c3a04512cf5ae21d31f30f6d33a1512fd89b2f80d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]  Documenting minesweeper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/main.rs:120:54
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let list = (0..self.width).cartesian_product((0..self.height));
[INFO] [stdout]     |                                                      ^              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 -         let list = (0..self.width).cartesian_product((0..self.height));
[INFO] [stdout] 120 +         let list = (0..self.width).cartesian_product(0..self.height);
[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 5.14s
[INFO] running `Command { std: "docker" "inspect" "b320217d3de0e9dc624aa43c3a04512cf5ae21d31f30f6d33a1512fd89b2f80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b320217d3de0e9dc624aa43c3a04512cf5ae21d31f30f6d33a1512fd89b2f80d", kill_on_drop: false }`
[INFO] [stdout] b320217d3de0e9dc624aa43c3a04512cf5ae21d31f30f6d33a1512fd89b2f80d