[INFO] cloning repository https://github.com/cite-reader/slide-puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cite-reader/slide-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcite-reader%2Fslide-puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcite-reader%2Fslide-puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f288a9154b1793a87fb40593cc65271edafd7c6
[INFO] documenting cite-reader/slide-puzzle 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%2Fcite-reader%2Fslide-puzzle" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cite-reader/slide-puzzle 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/cite-reader/slide-puzzle
[INFO] finished tweaking git repo https://github.com/cite-reader/slide-puzzle
[INFO] tweaked toml for git repo https://github.com/cite-reader/slide-puzzle written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cite-reader/slide-puzzle 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 768a8b6834240baf0a832acb63b535384923244f037ae970944eb79feea9f08a
[INFO] running `Command { std: "docker" "start" "-a" "768a8b6834240baf0a832acb63b535384923244f037ae970944eb79feea9f08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "768a8b6834240baf0a832acb63b535384923244f037ae970944eb79feea9f08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768a8b6834240baf0a832acb63b535384923244f037ae970944eb79feea9f08a", kill_on_drop: false }`
[INFO] [stdout] 768a8b6834240baf0a832acb63b535384923244f037ae970944eb79feea9f08a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e5c596d82ed991e722244e78ed6a25f4ba000559bb7eebf9c6f53cb3a377ebc3
[INFO] running `Command { std: "docker" "start" "-a" "e5c596d82ed991e722244e78ed6a25f4ba000559bb7eebf9c6f53cb3a377ebc3", kill_on_drop: false }`
[INFO] [stderr]     Checking slide-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting slide-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 try!(write!(f, "{}\n", cell));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/game.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |         for tile in (1 .. self.cells.len() - 1) {
[INFO] [stdout]     |                     ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -         for tile in (1 .. self.cells.len() - 1) {
[INFO] [stdout] 172 +         for tile in 1 .. self.cells.len() - 1 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |                 try!(write!(f, "{} ", cell));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/game.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |         for tile in (1 .. self.cells.len() - 1) {
[INFO] [stdout]     |                     ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -         for tile in (1 .. self.cells.len() - 1) {
[INFO] [stdout] 172 +         for tile in 1 .. self.cells.len() - 1 {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "e5c596d82ed991e722244e78ed6a25f4ba000559bb7eebf9c6f53cb3a377ebc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c596d82ed991e722244e78ed6a25f4ba000559bb7eebf9c6f53cb3a377ebc3", kill_on_drop: false }`
[INFO] [stdout] e5c596d82ed991e722244e78ed6a25f4ba000559bb7eebf9c6f53cb3a377ebc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7548f9d7780e52259734561324b1c2b86bfc30298b2dbdeee5da28200e60d5bf
[INFO] running `Command { std: "docker" "start" "-a" "7548f9d7780e52259734561324b1c2b86bfc30298b2dbdeee5da28200e60d5bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting slide-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/game.rs:172:21
[INFO] [stdout]     |
[INFO] [stdout] 172 |         for tile in (1 .. self.cells.len() - 1) {
[INFO] [stdout]     |                     ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 172 -         for tile in (1 .. self.cells.len() - 1) {
[INFO] [stdout] 172 +         for tile in 1 .. self.cells.len() - 1 {
[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 1.04s
[INFO] running `Command { std: "docker" "inspect" "7548f9d7780e52259734561324b1c2b86bfc30298b2dbdeee5da28200e60d5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7548f9d7780e52259734561324b1c2b86bfc30298b2dbdeee5da28200e60d5bf", kill_on_drop: false }`
[INFO] [stdout] 7548f9d7780e52259734561324b1c2b86bfc30298b2dbdeee5da28200e60d5bf