[INFO] cloning repository https://github.com/PipocaQuemada/rainfuck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PipocaQuemada/rainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPipocaQuemada%2Frainfuck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPipocaQuemada%2Frainfuck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dec4ad890606a61aeb34654ddcbac2c967e05995
[INFO] documenting PipocaQuemada/rainfuck 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%2FPipocaQuemada%2Frainfuck" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PipocaQuemada/rainfuck 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/PipocaQuemada/rainfuck
[INFO] finished tweaking git repo https://github.com/PipocaQuemada/rainfuck
[INFO] tweaked toml for git repo https://github.com/PipocaQuemada/rainfuck written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/PipocaQuemada/rainfuck 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 22bcb623ba859ac6f9fd1f9f348fb8b3eb32e398386d467f18f82640f4de3b37
[INFO] running `Command { std: "docker" "start" "-a" "22bcb623ba859ac6f9fd1f9f348fb8b3eb32e398386d467f18f82640f4de3b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22bcb623ba859ac6f9fd1f9f348fb8b3eb32e398386d467f18f82640f4de3b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bcb623ba859ac6f9fd1f9f348fb8b3eb32e398386d467f18f82640f4de3b37", kill_on_drop: false }`
[INFO] [stdout] 22bcb623ba859ac6f9fd1f9f348fb8b3eb32e398386d467f18f82640f4de3b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0b6f022e53e3305363d8665dad6630582740d618d58629b4e60a79ef33c14e1c
[INFO] running `Command { std: "docker" "start" "-a" "0b6f022e53e3305363d8665dad6630582740d618d58629b4e60a79ef33c14e1c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking nom v4.0.0
[INFO] [stderr]  Documenting rainfuck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/ast.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 return (Some(acc));
[INFO] [stdout]    |                        ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -                 return (Some(acc));
[INFO] [stdout] 40 +                 return Some(acc);
[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 2.67s
[INFO] running `Command { std: "docker" "inspect" "0b6f022e53e3305363d8665dad6630582740d618d58629b4e60a79ef33c14e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6f022e53e3305363d8665dad6630582740d618d58629b4e60a79ef33c14e1c", kill_on_drop: false }`
[INFO] [stdout] 0b6f022e53e3305363d8665dad6630582740d618d58629b4e60a79ef33c14e1c