[INFO] cloning repository https://github.com/Qubeo/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Qubeo/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQubeo%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQubeo%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9be0e677f4ccde4ba9f006f82a8fafd6a373214
[INFO] documenting Qubeo/hello-rust 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%2FQubeo%2Fhello-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Qubeo/hello-rust 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/Qubeo/hello-rust
[INFO] finished tweaking git repo https://github.com/Qubeo/hello-rust
[INFO] tweaked toml for git repo https://github.com/Qubeo/hello-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Qubeo/hello-rust 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded syn v0.15.24
[INFO] [stderr]   Downloaded flamer v0.3.0
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded serde_derive v1.0.84
[INFO] [stderr]   Downloaded flame v0.2.2
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] [stderr]   Downloaded serde v1.0.84
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] [stderr]   Downloaded thread-id v3.3.0
[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" "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] a36fdac9c436682bb12a72bc65859fb9517e1dd5610591059d57391c8f960077
[INFO] running `Command { std: "docker" "start" "-a" "a36fdac9c436682bb12a72bc65859fb9517e1dd5610591059d57391c8f960077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a36fdac9c436682bb12a72bc65859fb9517e1dd5610591059d57391c8f960077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36fdac9c436682bb12a72bc65859fb9517e1dd5610591059d57391c8f960077", kill_on_drop: false }`
[INFO] [stdout] a36fdac9c436682bb12a72bc65859fb9517e1dd5610591059d57391c8f960077
[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" "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] 0c0b92b12b5ab5817a669f6cdd35a89d0554241af2dba25447c2012d602c3409
[INFO] running `Command { std: "docker" "start" "-a" "0c0b92b12b5ab5817a669f6cdd35a89d0554241af2dba25447c2012d602c3409", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.3.0
[INFO] [stderr]  Documenting hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `u32ff` should have an upper camel case name
[INFO] [stdout]   --> src/grid/mod.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct u32ff {
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `U32ff`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/grid/mod.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 if (i % 3 == 0) { Cell::Alive } else { Cell::Dead }
[INFO] [stdout]    |                    ^          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 84 -                 if (i % 3 == 0) { Cell::Alive } else { Cell::Dead }
[INFO] [stdout] 84 +                 if i % 3 == 0 { Cell::Alive } else { Cell::Dead }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/grid/mod.rs:179:99
[INFO] [stdout]     |
[INFO] [stdout] 179 |         macro_rules! wrp { ( ($xe:expr, $ye:expr) ) => {  (self.wrap_x($xe), self.wrap_y($ye)) } };
[INFO] [stdout]     |                                                                                                   ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/grid/mod.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         ((i % (last_index)) + (last_index) * (i == 0) as u32) // Q: Optimize "j == 0" with some bitwise operator?
[INFO] [stdout]     |         ^                                                   ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 208 -         ((i % (last_index)) + (last_index) * (i == 0) as u32) // Q: Optimize "j == 0" with some bitwise operator?
[INFO] [stdout] 208 +         (i % (last_index)) + (last_index) * (i == 0) as u32 // Q: Optimize "j == 0" with some bitwise operator?
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.12s
[INFO] running `Command { std: "docker" "inspect" "0c0b92b12b5ab5817a669f6cdd35a89d0554241af2dba25447c2012d602c3409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0b92b12b5ab5817a669f6cdd35a89d0554241af2dba25447c2012d602c3409", kill_on_drop: false }`
[INFO] [stdout] 0c0b92b12b5ab5817a669f6cdd35a89d0554241af2dba25447c2012d602c3409