[INFO] cloning repository https://github.com/dgoetsch/glutton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgoetsch/glutton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgoetsch%2Fglutton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgoetsch%2Fglutton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1bc70e964c18f6818a90b4e4ff98afa54c907a9
[INFO] documenting dgoetsch/glutton 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%2Fdgoetsch%2Fglutton" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dgoetsch/glutton 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/dgoetsch/glutton
[INFO] finished tweaking git repo https://github.com/dgoetsch/glutton
[INFO] tweaked toml for git repo https://github.com/dgoetsch/glutton written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/dgoetsch/glutton 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 4a2432c6cd4d411b5b114b140b1e0b820c3fdb0f6cf1e80171faddbf4da088ff
[INFO] running `Command { std: "docker" "start" "-a" "4a2432c6cd4d411b5b114b140b1e0b820c3fdb0f6cf1e80171faddbf4da088ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a2432c6cd4d411b5b114b140b1e0b820c3fdb0f6cf1e80171faddbf4da088ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2432c6cd4d411b5b114b140b1e0b820c3fdb0f6cf1e80171faddbf4da088ff", kill_on_drop: false }`
[INFO] [stdout] 4a2432c6cd4d411b5b114b140b1e0b820c3fdb0f6cf1e80171faddbf4da088ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] b06d24e9994018165da81dadbc78b87ff5ab6f507dc6dcfd052cdf4092b42b7b
[INFO] running `Command { std: "docker" "start" "-a" "b06d24e9994018165da81dadbc78b87ff5ab6f507dc6dcfd052cdf4092b42b7b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]  Documenting rust-by-ex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for idx in  (0..self.at_a_time) {
[INFO] [stdout]    |                     ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for idx in  (0..self.at_a_time) {
[INFO] [stdout] 18 +         for idx in  0..self.at_a_time {
[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 2.11s
[INFO] running `Command { std: "docker" "inspect" "b06d24e9994018165da81dadbc78b87ff5ab6f507dc6dcfd052cdf4092b42b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06d24e9994018165da81dadbc78b87ff5ab6f507dc6dcfd052cdf4092b42b7b", kill_on_drop: false }`
[INFO] [stdout] b06d24e9994018165da81dadbc78b87ff5ab6f507dc6dcfd052cdf4092b42b7b