[INFO] fetching crate brotli 3.3.4...
[INFO] documenting brotli-3.3.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate brotli 3.3.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate brotli 3.3.4 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 crates.io crate brotli 3.3.4
[INFO] finished tweaking crates.io crate brotli 3.3.4
[INFO] tweaked toml for crates.io crate brotli 3.3.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate brotli 3.3.4 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] 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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c715281e73dfd6e33c3a8fe464c316a37654824cffdc7b8c974c85501760fe8a
[INFO] running `Command { std: "docker" "start" "-a" "c715281e73dfd6e33c3a8fe464c316a37654824cffdc7b8c974c85501760fe8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c715281e73dfd6e33c3a8fe464c316a37654824cffdc7b8c974c85501760fe8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c715281e73dfd6e33c3a8fe464c316a37654824cffdc7b8c974c85501760fe8a", kill_on_drop: false }`
[INFO] [stdout] c715281e73dfd6e33c3a8fe464c316a37654824cffdc7b8c974c85501760fe8a
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f8ea7045c7a3e76700d8a6ad9aaca62d1d07110a1446e9a3afcae79338c5045
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4f8ea7045c7a3e76700d8a6ad9aaca62d1d07110a1446e9a3afcae79338c5045", kill_on_drop: false }`
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]  Documenting brotli v3.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "4f8ea7045c7a3e76700d8a6ad9aaca62d1d07110a1446e9a3afcae79338c5045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f8ea7045c7a3e76700d8a6ad9aaca62d1d07110a1446e9a3afcae79338c5045", kill_on_drop: false }`
[INFO] [stdout] 4f8ea7045c7a3e76700d8a6ad9aaca62d1d07110a1446e9a3afcae79338c5045
[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" "RUSTFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 615e917e91181671f3f28c999dc90dc19be9d3314ccd7e5228f4f1f44fd7a958
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "615e917e91181671f3f28c999dc90dc19be9d3314ccd7e5228f4f1f44fd7a958", kill_on_drop: false }`
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.1
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]  Documenting brotli v3.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "615e917e91181671f3f28c999dc90dc19be9d3314ccd7e5228f4f1f44fd7a958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615e917e91181671f3f28c999dc90dc19be9d3314ccd7e5228f4f1f44fd7a958", kill_on_drop: false }`
[INFO] [stdout] 615e917e91181671f3f28c999dc90dc19be9d3314ccd7e5228f4f1f44fd7a958