[INFO] cloning repository https://github.com/TheRiven/mazegenerator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheRiven/mazegenerator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheRiven%2Fmazegenerator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e021d139b3ec222eae371c8cfb95033e6e5a168 [INFO] documenting TheRiven/mazegenerator 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%2FTheRiven%2Fmazegenerator" "/workspace/builds/worker-23/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheRiven/mazegenerator 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/TheRiven/mazegenerator [INFO] finished tweaking git repo https://github.com/TheRiven/mazegenerator [INFO] tweaked toml for git repo https://github.com/TheRiven/mazegenerator written to /workspace/builds/worker-23/source/Cargo.toml [INFO] crate git repo https://github.com/TheRiven/mazegenerator 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 3cff570ca5a7f36ea1d81ca2ed1b27299939ba74db2aecbd94f356b2cf70a395 [INFO] running `Command { std: "docker" "start" "-a" "3cff570ca5a7f36ea1d81ca2ed1b27299939ba74db2aecbd94f356b2cf70a395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cff570ca5a7f36ea1d81ca2ed1b27299939ba74db2aecbd94f356b2cf70a395", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cff570ca5a7f36ea1d81ca2ed1b27299939ba74db2aecbd94f356b2cf70a395", kill_on_drop: false }` [INFO] [stdout] 3cff570ca5a7f36ea1d81ca2ed1b27299939ba74db2aecbd94f356b2cf70a395 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7051e75b55a4cb53cb946de30972e0b309601397404dff44f9dace20f3022b4d [INFO] running `Command { std: "docker" "start" "-a" "7051e75b55a4cb53cb946de30972e0b309601397404dff44f9dace20f3022b4d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking deflate v0.7.17 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Documenting mazegenerator v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 86 - fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] 86 + fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> (&'a Cell, Direction) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 92 - (chosen) [INFO] [stdout] 92 + chosen [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] 25 + pub fn get_cell(&self, x: u32, y: u32) -> Option<&Cell> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.05s [INFO] running `Command { std: "docker" "inspect" "7051e75b55a4cb53cb946de30972e0b309601397404dff44f9dace20f3022b4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7051e75b55a4cb53cb946de30972e0b309601397404dff44f9dace20f3022b4d", kill_on_drop: false }` [INFO] [stdout] 7051e75b55a4cb53cb946de30972e0b309601397404dff44f9dace20f3022b4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] ec3af56478a15a6b8be8a132b043c42f0c7812374841da21cdbf8d45160c5b4e [INFO] running `Command { std: "docker" "start" "-a" "ec3af56478a15a6b8be8a132b043c42f0c7812374841da21cdbf8d45160c5b4e", kill_on_drop: false }` [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking adler32 v1.0.2 [INFO] [stderr] Checking either v1.4.0 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking color_quant v1.0.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking deflate v0.7.17 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking crossbeam-epoch v0.3.0 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking png v0.11.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking jpeg-decoder v0.1.14 [INFO] [stderr] Checking image v0.18.0 [INFO] [stderr] Documenting mazegenerator v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/dfs.rs:86:74 [INFO] [stdout] | [INFO] [stdout] 86 | fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 86 - fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> ((&'a Cell, Direction)) { [INFO] [stdout] 86 + fn pick_random_neighbour<'a>(neighbours: &Vec<(&'a Cell, Direction)>) -> (&'a Cell, Direction) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mazebuilder/dfs.rs:92:5 [INFO] [stdout] | [INFO] [stdout] 92 | (chosen) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 92 - (chosen) [INFO] [stdout] 92 + chosen [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/mazebuilder/maze.rs:25:54 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - pub fn get_cell(&self, x: u32, y: u32) -> Option<(&Cell)> { [INFO] [stdout] 25 + pub fn get_cell(&self, x: u32, y: u32) -> Option<&Cell> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.77s [INFO] running `Command { std: "docker" "inspect" "ec3af56478a15a6b8be8a132b043c42f0c7812374841da21cdbf8d45160c5b4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec3af56478a15a6b8be8a132b043c42f0c7812374841da21cdbf8d45160c5b4e", kill_on_drop: false }` [INFO] [stdout] ec3af56478a15a6b8be8a132b043c42f0c7812374841da21cdbf8d45160c5b4e