[INFO] fetching crate huff-tree-tap 0.0.3...
[INFO] documenting huff-tree-tap-0.0.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate huff-tree-tap 0.0.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate huff-tree-tap 0.0.3 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 huff-tree-tap 0.0.3
[INFO] finished tweaking crates.io crate huff-tree-tap 0.0.3
[INFO] tweaked toml for crates.io crate huff-tree-tap 0.0.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] 23523aec6c6d1b2d2d1a1dd06e3a13219b30039d17ad8fb5d445f5f6f0565103
[INFO] running `Command { std: "docker" "start" "-a" "23523aec6c6d1b2d2d1a1dd06e3a13219b30039d17ad8fb5d445f5f6f0565103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23523aec6c6d1b2d2d1a1dd06e3a13219b30039d17ad8fb5d445f5f6f0565103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23523aec6c6d1b2d2d1a1dd06e3a13219b30039d17ad8fb5d445f5f6f0565103", kill_on_drop: false }`
[INFO] [stdout] 23523aec6c6d1b2d2d1a1dd06e3a13219b30039d17ad8fb5d445f5f6f0565103
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80997c8f711abb47c9a057cf4f467541c74dfde154624304ca00533eda3236bb
[INFO] running `Command { std: "docker" "start" "-a" "80997c8f711abb47c9a057cf4f467541c74dfde154624304ca00533eda3236bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]  Documenting huff-tree-tap v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.16s
[INFO] running `Command { std: "docker" "inspect" "80997c8f711abb47c9a057cf4f467541c74dfde154624304ca00533eda3236bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80997c8f711abb47c9a057cf4f467541c74dfde154624304ca00533eda3236bb", kill_on_drop: false }`
[INFO] [stdout] 80997c8f711abb47c9a057cf4f467541c74dfde154624304ca00533eda3236bb
[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] 890daa3d7b7e60d81248765a48c814aab3e09887967ae395c116a337ddea6a2d
[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" "890daa3d7b7e60d81248765a48c814aab3e09887967ae395c116a337ddea6a2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]  Documenting huff-tree-tap v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.93s
[INFO] running `Command { std: "docker" "inspect" "890daa3d7b7e60d81248765a48c814aab3e09887967ae395c116a337ddea6a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890daa3d7b7e60d81248765a48c814aab3e09887967ae395c116a337ddea6a2d", kill_on_drop: false }`
[INFO] [stdout] 890daa3d7b7e60d81248765a48c814aab3e09887967ae395c116a337ddea6a2d