[INFO] cloning repository https://github.com/lord/learnllvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lord/learnllvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flord%2Flearnllvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flord%2Flearnllvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fc6a517b229c7ffc4f2a74e14df8185a9e2d2ea
[INFO] documenting lord/learnllvm 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%2Flord%2Flearnllvm" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lord/learnllvm 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/lord/learnllvm
[INFO] finished tweaking git repo https://github.com/lord/learnllvm
[INFO] tweaked toml for git repo https://github.com/lord/learnllvm written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/lord/learnllvm 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] [stderr]   Downloaded bitflags v0.5.0
[INFO] [stderr]   Downloaded cbox v0.3.0
[INFO] [stderr]   Downloaded llvm-alt v0.5.0
[INFO] [stderr]   Downloaded gcc v0.3.38
[INFO] [stderr]   Downloaded llvm-sys v0.4.0
[INFO] [stderr]   Downloaded nom v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 218d5ecce8d7c0d40588e9abf510c5d51dfa6e40fa0e3b8daf2ff73b21da0fd3
[INFO] running `Command { std: "docker" "start" "-a" "218d5ecce8d7c0d40588e9abf510c5d51dfa6e40fa0e3b8daf2ff73b21da0fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "218d5ecce8d7c0d40588e9abf510c5d51dfa6e40fa0e3b8daf2ff73b21da0fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218d5ecce8d7c0d40588e9abf510c5d51dfa6e40fa0e3b8daf2ff73b21da0fd3", kill_on_drop: false }`
[INFO] [stdout] 218d5ecce8d7c0d40588e9abf510c5d51dfa6e40fa0e3b8daf2ff73b21da0fd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 07f129e0a94d17d3cdd84009dd6a67c0727c5958648afad8e95c853b430d0fa3
[INFO] running `Command { std: "docker" "start" "-a" "07f129e0a94d17d3cdd84009dd6a67c0727c5958648afad8e95c853b430d0fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling llvm-alt v0.5.0
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking nom v2.0.0
[INFO] [stderr]     Checking cbox v0.3.0
[INFO] [stderr]    Compiling llvm-sys v0.4.0
[INFO] [stderr]  Documenting kscope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/codegen.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |       if (func.get_signature().num_params() != arg_names.len()) {
[INFO] [stdout]    |          ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -       if (func.get_signature().num_params() != arg_names.len()) {
[INFO] [stdout] 78 +       if func.get_signature().num_params() != arg_names.len() {
[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 5.99s
[INFO] running `Command { std: "docker" "inspect" "07f129e0a94d17d3cdd84009dd6a67c0727c5958648afad8e95c853b430d0fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f129e0a94d17d3cdd84009dd6a67c0727c5958648afad8e95c853b430d0fa3", kill_on_drop: false }`
[INFO] [stdout] 07f129e0a94d17d3cdd84009dd6a67c0727c5958648afad8e95c853b430d0fa3