[INFO] cloning repository https://github.com/lab-lang/lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lab-lang/lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flab-lang%2Flab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flab-lang%2Flab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39b7780866752b8b78f35306b9235255eb48e623
[INFO] documenting lab-lang/lab against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flab-lang%2Flab" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/lab-lang/lab
[INFO] finished tweaking git repo https://github.com/lab-lang/lab
[INFO] tweaked toml for git repo https://github.com/lab-lang/lab written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lab-lang/lab on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lab-lang/lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7ebc96bfb944827b7b4a09134addfd8293e737642fe89bb6c61a5c44db9c7e
[INFO] running `Command { std: "docker" "start" "-a" "4e7ebc96bfb944827b7b4a09134addfd8293e737642fe89bb6c61a5c44db9c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7ebc96bfb944827b7b4a09134addfd8293e737642fe89bb6c61a5c44db9c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7ebc96bfb944827b7b4a09134addfd8293e737642fe89bb6c61a5c44db9c7e", kill_on_drop: false }`
[INFO] [stdout] 4e7ebc96bfb944827b7b4a09134addfd8293e737642fe89bb6c61a5c44db9c7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5b27a3ca89b7c06d59004a65dec0b319504eff627aff31291093f5ca7b4fcb
[INFO] running `Command { std: "docker" "start" "-a" "ab5b27a3ca89b7c06d59004a65dec0b319504eff627aff31291093f5ca7b4fcb", kill_on_drop: false }`
[INFO] [stderr]  Documenting lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lab/index.html
[INFO] running `Command { std: "docker" "inspect" "ab5b27a3ca89b7c06d59004a65dec0b319504eff627aff31291093f5ca7b4fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5b27a3ca89b7c06d59004a65dec0b319504eff627aff31291093f5ca7b4fcb", kill_on_drop: false }`
[INFO] [stdout] ab5b27a3ca89b7c06d59004a65dec0b319504eff627aff31291093f5ca7b4fcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f85c1cbdcf9951704f97b5b4f3b765c2804241d59712b0b001f465906ecf03a
[INFO] running `Command { std: "docker" "start" "-a" "1f85c1cbdcf9951704f97b5b4f3b765c2804241d59712b0b001f465906ecf03a", kill_on_drop: false }`
[INFO] [stderr]  Documenting lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/lab/index.html
[INFO] running `Command { std: "docker" "inspect" "1f85c1cbdcf9951704f97b5b4f3b765c2804241d59712b0b001f465906ecf03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f85c1cbdcf9951704f97b5b4f3b765c2804241d59712b0b001f465906ecf03a", kill_on_drop: false }`
[INFO] [stdout] 1f85c1cbdcf9951704f97b5b4f3b765c2804241d59712b0b001f465906ecf03a