[INFO] crate sudoku 0.7.0 is already in cache
[INFO] documenting sudoku-0.7.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate sudoku 0.7.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sudoku 0.7.0 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 crates.io crate sudoku 0.7.0
[INFO] finished tweaking crates.io crate sudoku 0.7.0
[INFO] tweaked toml for crates.io crate sudoku 0.7.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb1f8f488e854c5e9b2b91a187b68ce4473d062ace6007f2e62fb371a56504cb
[INFO] running `Command { std: "docker" "start" "-a" "cb1f8f488e854c5e9b2b91a187b68ce4473d062ace6007f2e62fb371a56504cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb1f8f488e854c5e9b2b91a187b68ce4473d062ace6007f2e62fb371a56504cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1f8f488e854c5e9b2b91a187b68ce4473d062ace6007f2e62fb371a56504cb", kill_on_drop: false }`
[INFO] [stdout] cb1f8f488e854c5e9b2b91a187b68ce4473d062ace6007f2e62fb371a56504cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2ec745153bb5515ead1faa86d318ad6981649a7f3252c4b1d54dfa7f8c54bd0c
[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" "2ec745153bb5515ead1faa86d318ad6981649a7f3252c4b1d54dfa7f8c54bd0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]  Documenting sudoku v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/generator.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 1...4 => self.insert_entries_singly(stack)?,
[INFO] [stdout]    |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/strategy/solver.rs:324:6
[INFO] [stdout]     |
[INFO] [stdout] 324 |                 1...4 => self.insert_entries_singly(find_naked_singles)?,
[INFO] [stdout]     |                  ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/strategy/strategies/locked_candidates.rs:51:78
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     .map(|chute_line| poss_digits(chute_line, chute_field) );;
[INFO] [stdout]    |                                                                              ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board/sudoku.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |                 b'0'...b'9' => *cell = ch - b'0',
[INFO] [stdout]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board/sudoku.rs:302:35
[INFO] [stdout]     |
[INFO] [stdout] 302 |                 b'_' | b'.' | b'0'...b'9' => return Err(LineParseError::TooManyCells),
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board/sudoku.rs:403:28
[INFO] [stdout]     |
[INFO] [stdout] 403 |                         '1'...'9' | '_' | '.' | '0' => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board/sudoku.rs:433:24
[INFO] [stdout]     |
[INFO] [stdout] 433 |                     '0'...'9' => grid[cell as usize] = ch as u8 - b'0',
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[::Sudokus]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/strategy/solver.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 92 |     /// [`::Sudoku`s], i.e. left-to-right, top-to-bottom.
[INFO] [stdout]    |          ^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "2ec745153bb5515ead1faa86d318ad6981649a7f3252c4b1d54dfa7f8c54bd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec745153bb5515ead1faa86d318ad6981649a7f3252c4b1d54dfa7f8c54bd0c", kill_on_drop: false }`
[INFO] [stdout] 2ec745153bb5515ead1faa86d318ad6981649a7f3252c4b1d54dfa7f8c54bd0c