[INFO] fetching crate hotg-rune-syntax 0.7.0...
[INFO] documenting hotg-rune-syntax-0.7.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate hotg-rune-syntax 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hotg-rune-syntax 0.7.0 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 crates.io crate hotg-rune-syntax 0.7.0
[INFO] finished tweaking crates.io crate hotg-rune-syntax 0.7.0
[INFO] tweaked toml for crates.io crate hotg-rune-syntax 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d513dc0c59fa34102f01622c221575e0d1a496438434b3d67c7dde4e454fe7f
[INFO] running `Command { std: "docker" "start" "-a" "4d513dc0c59fa34102f01622c221575e0d1a496438434b3d67c7dde4e454fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d513dc0c59fa34102f01622c221575e0d1a496438434b3d67c7dde4e454fe7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d513dc0c59fa34102f01622c221575e0d1a496438434b3d67c7dde4e454fe7f", kill_on_drop: false }`
[INFO] [stdout] 4d513dc0c59fa34102f01622c221575e0d1a496438434b3d67c7dde4e454fe7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9bc8798f089180ff83a692342850126b0ec837d9c4d3674864eae78e46b59f24
[INFO] running `Command { std: "docker" "start" "-a" "9bc8798f089180ff83a692342850126b0ec837d9c4d3674864eae78e46b59f24", 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 autocfg v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking codespan v0.11.1
[INFO] [stderr]  Documenting hotg-rune-syntax v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.29s
[INFO] running `Command { std: "docker" "inspect" "9bc8798f089180ff83a692342850126b0ec837d9c4d3674864eae78e46b59f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc8798f089180ff83a692342850126b0ec837d9c4d3674864eae78e46b59f24", kill_on_drop: false }`
[INFO] [stdout] 9bc8798f089180ff83a692342850126b0ec837d9c4d3674864eae78e46b59f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 7115afc68bffe6a48cd30e4b74919c1df8ecaa62d895998fe9d3fb2f5657051a
[INFO] running `Command { std: "docker" "start" "-a" "7115afc68bffe6a48cd30e4b74919c1df8ecaa62d895998fe9d3fb2f5657051a", 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 memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.24
[INFO] [stderr]     Checking codespan v0.11.1
[INFO] [stderr]  Documenting hotg-rune-syntax v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.51s
[INFO] running `Command { std: "docker" "inspect" "7115afc68bffe6a48cd30e4b74919c1df8ecaa62d895998fe9d3fb2f5657051a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7115afc68bffe6a48cd30e4b74919c1df8ecaa62d895998fe9d3fb2f5657051a", kill_on_drop: false }`
[INFO] [stdout] 7115afc68bffe6a48cd30e4b74919c1df8ecaa62d895998fe9d3fb2f5657051a