[INFO] cloning repository https://github.com/BurntSushi/ucd-generate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BurntSushi/ucd-generate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Fucd-generate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBurntSushi%2Fucd-generate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aad0bec5ca6a3e1db569471998c34a0d3c720c50
[INFO] documenting BurntSushi/ucd-generate 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%2FBurntSushi%2Fucd-generate" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BurntSushi/ucd-generate 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/BurntSushi/ucd-generate
[INFO] finished tweaking git repo https://github.com/BurntSushi/ucd-generate
[INFO] tweaked toml for git repo https://github.com/BurntSushi/ucd-generate written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/BurntSushi/ucd-generate 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]  Downloading crates ...
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a91340f0193980bb0fbf3a1dfa10d36039f87695b039f36b7b0f338a0fde8de8
[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" "a91340f0193980bb0fbf3a1dfa10d36039f87695b039f36b7b0f338a0fde8de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a91340f0193980bb0fbf3a1dfa10d36039f87695b039f36b7b0f338a0fde8de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91340f0193980bb0fbf3a1dfa10d36039f87695b039f36b7b0f338a0fde8de8", kill_on_drop: false }`
[INFO] [stdout] a91340f0193980bb0fbf3a1dfa10d36039f87695b039f36b7b0f338a0fde8de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 747eb27e23fa587e2b6ccb07317c707a718c7c9644bcb7a5531113f39518da0b
[INFO] running `Command { std: "docker" "start" "-a" "747eb27e23fa587e2b6ccb07317c707a718c7c9644bcb7a5531113f39518da0b", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]     Checking ucd-util v0.1.8 (/opt/rustwide/workdir/ucd-util)
[INFO] [stderr]     Checking ucd-trie v0.1.3 (/opt/rustwide/workdir/ucd-trie)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking ucd-parse v0.1.8 (/opt/rustwide/workdir/ucd-parse)
[INFO] [stderr]  Documenting ucd-generate v0.2.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "747eb27e23fa587e2b6ccb07317c707a718c7c9644bcb7a5531113f39518da0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747eb27e23fa587e2b6ccb07317c707a718c7c9644bcb7a5531113f39518da0b", kill_on_drop: false }`
[INFO] [stdout] 747eb27e23fa587e2b6ccb07317c707a718c7c9644bcb7a5531113f39518da0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 12a08c61d6eb0a1473c1a6f9dda344c5a4e0f40ddb9fc23423ce02801c052837
[INFO] running `Command { std: "docker" "start" "-a" "12a08c61d6eb0a1473c1a6f9dda344c5a4e0f40ddb9fc23423ce02801c052837", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `ucd-generate`
[INFO] running `Command { std: "docker" "inspect" "12a08c61d6eb0a1473c1a6f9dda344c5a4e0f40ddb9fc23423ce02801c052837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a08c61d6eb0a1473c1a6f9dda344c5a4e0f40ddb9fc23423ce02801c052837", kill_on_drop: false }`
[INFO] [stdout] 12a08c61d6eb0a1473c1a6f9dda344c5a4e0f40ddb9fc23423ce02801c052837