[INFO] cloning repository https://github.com/muggenhor/rudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/muggenhor/rudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuggenhor%2Frudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuggenhor%2Frudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e56514818b3e07b6644c305613068004d23f7ccf [INFO] documenting muggenhor/rudoku 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%2Fmuggenhor%2Frudoku" "/workspace/builds/worker-39/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/muggenhor/rudoku 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/muggenhor/rudoku [INFO] finished tweaking git repo https://github.com/muggenhor/rudoku [INFO] tweaked toml for git repo https://github.com/muggenhor/rudoku written to /workspace/builds/worker-39/source/Cargo.toml [INFO] crate git repo https://github.com/muggenhor/rudoku 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] ac2222cf379dd6510c87f01ebcb0f88d2ffae5e173f3c340fd90f69b542c8446 [INFO] running `Command { std: "docker" "start" "-a" "ac2222cf379dd6510c87f01ebcb0f88d2ffae5e173f3c340fd90f69b542c8446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac2222cf379dd6510c87f01ebcb0f88d2ffae5e173f3c340fd90f69b542c8446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac2222cf379dd6510c87f01ebcb0f88d2ffae5e173f3c340fd90f69b542c8446", kill_on_drop: false }` [INFO] [stdout] ac2222cf379dd6510c87f01ebcb0f88d2ffae5e173f3c340fd90f69b542c8446 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 4a9f8360f52b03e51540b098921c4f7d46668b80ca830f875a4e972be5f74e7c [INFO] running `Command { std: "docker" "start" "-a" "4a9f8360f52b03e51540b098921c4f7d46668b80ca830f875a4e972be5f74e7c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.1.8 [INFO] [stderr] Checking regex v0.1.30 [INFO] [stderr] Checking log v0.3.1 [INFO] [stderr] Checking env_logger v0.3.1 [INFO] [stderr] Documenting rudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:47:18 [INFO] [stdout] | [INFO] [stdout] 47 | for i in (0 .. 9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 47 - for i in (0 .. 9) { [INFO] [stdout] 47 + for i in 0 .. 9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:67:20 [INFO] [stdout] | [INFO] [stdout] 67 | for row in (0 .. self.cells.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 67 - for row in (0 .. self.cells.len()) { [INFO] [stdout] 67 + for row in 0 .. self.cells.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:68:24 [INFO] [stdout] | [INFO] [stdout] 68 | for col in (0 .. self.cells[row].len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 68 - for col in (0 .. self.cells[row].len()) { [INFO] [stdout] 68 + for col in 0 .. self.cells[row].len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:85:20 [INFO] [stdout] | [INFO] [stdout] 85 | for row in (0 .. self.cells.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 85 - for row in (0 .. self.cells.len()) { [INFO] [stdout] 85 + for row in 0 .. self.cells.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:101:32 [INFO] [stdout] | [INFO] [stdout] 101 | for col in (0 .. self.cells[row].len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 101 - for col in (0 .. self.cells[row].len()) { [INFO] [stdout] 101 + for col in 0 .. self.cells[row].len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | for col in (0 .. self.cells[0].len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 111 - for col in (0 .. self.cells[0].len()) { [INFO] [stdout] 111 + for col in 0 .. self.cells[0].len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:113:24 [INFO] [stdout] | [INFO] [stdout] 113 | for row in (0 .. self.cells.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 113 - for row in (0 .. self.cells.len()) { [INFO] [stdout] 113 + for row in 0 .. self.cells.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:118:24 [INFO] [stdout] | [INFO] [stdout] 118 | for row in (0 .. self.cells.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 118 - for row in (0 .. self.cells.len()) { [INFO] [stdout] 118 + for row in 0 .. self.cells.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:127:32 [INFO] [stdout] | [INFO] [stdout] 127 | for row in (0 .. self.cells.len()) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 127 - for row in (0 .. self.cells.len()) { [INFO] [stdout] 127 + for row in 0 .. self.cells.len() { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:137:26 [INFO] [stdout] | [INFO] [stdout] 137 | for row_block in (0 .. 3) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 137 - for row_block in (0 .. 3) { [INFO] [stdout] 137 + for row_block in 0 .. 3 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:138:30 [INFO] [stdout] | [INFO] [stdout] 138 | for col_block in (0 .. 3) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 138 - for col_block in (0 .. 3) { [INFO] [stdout] 138 + for col_block in 0 .. 3 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:141:26 [INFO] [stdout] | [INFO] [stdout] 141 | for i in (0 .. 9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 141 - for i in (0 .. 9) { [INFO] [stdout] 141 + for i in 0 .. 9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:150:26 [INFO] [stdout] | [INFO] [stdout] 150 | for i in (0 .. 9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 150 - for i in (0 .. 9) { [INFO] [stdout] 150 + for i in 0 .. 9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/rudoku/mod.rs:163:34 [INFO] [stdout] | [INFO] [stdout] 163 | for i in (0 .. 9) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 163 - for i in (0 .. 9) { [INFO] [stdout] 163 + for i in 0 .. 9 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/rudoku/mod.rs:271:16 [INFO] [stdout] | [INFO] [stdout] 271 | '1'...'9' => cur_puzzle.set_item(col_num, row_num, (c as usize - '0' as usize)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/rudoku/mod.rs:271:64 [INFO] [stdout] | [INFO] [stdout] 271 | '1'...'9' => cur_puzzle.set_item(col_num, row_num, (c as usize - '0' as usize)), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 271 - '1'...'9' => cur_puzzle.set_item(col_num, row_num, (c as usize - '0' as usize)), [INFO] [stdout] 271 + '1'...'9' => cur_puzzle.set_item(col_num, row_num, c as usize - '0' as usize), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.44s [INFO] running `Command { std: "docker" "inspect" "4a9f8360f52b03e51540b098921c4f7d46668b80ca830f875a4e972be5f74e7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a9f8360f52b03e51540b098921c4f7d46668b80ca830f875a4e972be5f74e7c", kill_on_drop: false }` [INFO] [stdout] 4a9f8360f52b03e51540b098921c4f7d46668b80ca830f875a4e972be5f74e7c