[INFO] cloning repository https://github.com/illegalprime/rust-mongops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/illegalprime/rust-mongops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillegalprime%2Frust-mongops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillegalprime%2Frust-mongops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7da7388eefef68dbac335892b872f101c46828b4
[INFO] documenting illegalprime/rust-mongops against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillegalprime%2Frust-mongops" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illegalprime/rust-mongops on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/illegalprime/rust-mongops
[INFO] finished tweaking git repo https://github.com/illegalprime/rust-mongops
[INFO] tweaked toml for git repo https://github.com/illegalprime/rust-mongops written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/illegalprime/rust-mongops already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3e8950b77300606c20c2c63a4075b810f8caa8b6f8b2cbce5a6c1e0f004bbee
[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" "e3e8950b77300606c20c2c63a4075b810f8caa8b6f8b2cbce5a6c1e0f004bbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3e8950b77300606c20c2c63a4075b810f8caa8b6f8b2cbce5a6c1e0f004bbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e8950b77300606c20c2c63a4075b810f8caa8b6f8b2cbce5a6c1e0f004bbee", kill_on_drop: false }`
[INFO] [stdout] e3e8950b77300606c20c2c63a4075b810f8caa8b6f8b2cbce5a6c1e0f004bbee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf31aded2e8eac3a5a30e93e1e870bd49f4f0760e635a7eed89dfe9d2b0e043b
[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" "cf31aded2e8eac3a5a30e93e1e870bd49f4f0760e635a7eed89dfe9d2b0e043b", kill_on_drop: false }`
[INFO] [stderr]  Documenting mongops v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0275]: overflow evaluating the requirement `Bson<'a>: std::marker::Sized`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required because of the requirements on the impl of `std::marker::Send` for `alloc::collections::btree::node::Root<&'a str, Bson<'a>>`
[INFO] [stdout]   = note: required because it appears within the type `std::option::Option<alloc::collections::btree::node::Root<&'a str, Bson<'a>>>`
[INFO] [stdout]   = note: required because it appears within the type `std::collections::BTreeMap<&'a str, Bson<'a>>`
[INFO] [stdout]   = note: required because it appears within the type `update::Update<'a>`
[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 E0275`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `mongops`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name mongops src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "cf31aded2e8eac3a5a30e93e1e870bd49f4f0760e635a7eed89dfe9d2b0e043b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf31aded2e8eac3a5a30e93e1e870bd49f4f0760e635a7eed89dfe9d2b0e043b", kill_on_drop: false }`
[INFO] [stdout] cf31aded2e8eac3a5a30e93e1e870bd49f4f0760e635a7eed89dfe9d2b0e043b