[INFO] fetching crate pubmed 0.1.2...
[INFO] documenting pubmed-0.1.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate pubmed 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate pubmed 0.1.2 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 crates.io crate pubmed 0.1.2
[INFO] finished tweaking crates.io crate pubmed 0.1.2
[INFO] tweaked toml for crates.io crate pubmed 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a23ed90c8dafd48706d1e16691ea98239e2cd7c57b026eaca45067ae540f560c
[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" "a23ed90c8dafd48706d1e16691ea98239e2cd7c57b026eaca45067ae540f560c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a23ed90c8dafd48706d1e16691ea98239e2cd7c57b026eaca45067ae540f560c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23ed90c8dafd48706d1e16691ea98239e2cd7c57b026eaca45067ae540f560c", kill_on_drop: false }`
[INFO] [stdout] a23ed90c8dafd48706d1e16691ea98239e2cd7c57b026eaca45067ae540f560c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 741babc60707628e367f94eeeaeaa62d15b1c2e44ad4aa70f3241df6ea7ff9f9
[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" "741babc60707628e367f94eeeaeaa62d15b1c2e44ad4aa70f3241df6ea7ff9f9", kill_on_drop: false }`
[INFO] [stderr]     Checking xmlparser v0.9.0
[INFO] [stderr]     Checking roxmltree v0.6.1
[INFO] [stderr]     Checking pubmed v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pubmed v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:879:31
[INFO] [stdout]     |
[INFO] [stdout] 879 |     ) -> Result<Vec<u64>, Box<::std::error::Error>> {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:895:78
[INFO] [stdout]     |
[INFO] [stdout] 895 |     pub fn articles(&self, ids: &Vec<u64>) -> Result<Vec<PubmedArticle>, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                              ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:913:65
[INFO] [stdout]     |
[INFO] [stdout] 913 |     pub fn article(&self, id: u64) -> Result<PubmedArticle, Box<::std::error::Error>> {
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.37s
[INFO] running `Command { std: "docker" "inspect" "741babc60707628e367f94eeeaeaa62d15b1c2e44ad4aa70f3241df6ea7ff9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741babc60707628e367f94eeeaeaa62d15b1c2e44ad4aa70f3241df6ea7ff9f9", kill_on_drop: false }`
[INFO] [stdout] 741babc60707628e367f94eeeaeaa62d15b1c2e44ad4aa70f3241df6ea7ff9f9