[INFO] cloning repository https://github.com/c2hub/pebble-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c2hub/pebble-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2hub%2Fpebble-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2hub%2Fpebble-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7c63698e9c109f68ccabae38c588aab4a0d584f
[INFO] documenting c2hub/pebble-server against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc2hub%2Fpebble-server" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c2hub/pebble-server on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/c2hub/pebble-server
[INFO] finished tweaking git repo https://github.com/c2hub/pebble-server
[INFO] tweaked toml for git repo https://github.com/c2hub/pebble-server written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/c2hub/pebble-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 25a4d0641329bb01dfea1ef9442d4191bcc0f06c02e8452cefba015bb5d746be
[INFO] running `Command { std: "docker" "start" "-a" "25a4d0641329bb01dfea1ef9442d4191bcc0f06c02e8452cefba015bb5d746be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a4d0641329bb01dfea1ef9442d4191bcc0f06c02e8452cefba015bb5d746be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a4d0641329bb01dfea1ef9442d4191bcc0f06c02e8452cefba015bb5d746be", kill_on_drop: false }`
[INFO] [stdout] 25a4d0641329bb01dfea1ef9442d4191bcc0f06c02e8452cefba015bb5d746be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 238d2f280301aa79103111c01b3ee8e69ba66e3fc57a8c2b37ab8cbf980fa0f5
[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" "238d2f280301aa79103111c01b3ee8e69ba66e3fc57a8c2b37ab8cbf980fa0f5", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking version-compare v0.0.4
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stdout] error[E0621]: explicit lifetime required in the type of `other`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version-compare-0.0.4/src/version.rs:308:13
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn compare(&self, other: &Version) -> CompOp {
[INFO] [stdout]     |                                  -------- help: add explicit lifetime `'a` to the type of `other`: `&version::Version<'a>`
[INFO] [stdout] ...
[INFO] [stdout] 308 |             other.parts.iter().peekable()
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime `'a` required
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0621`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `version-compare`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "238d2f280301aa79103111c01b3ee8e69ba66e3fc57a8c2b37ab8cbf980fa0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "238d2f280301aa79103111c01b3ee8e69ba66e3fc57a8c2b37ab8cbf980fa0f5", kill_on_drop: false }`
[INFO] [stdout] 238d2f280301aa79103111c01b3ee8e69ba66e3fc57a8c2b37ab8cbf980fa0f5