[INFO] fetching crate rs-cjy 0.1.4...
[INFO] documenting rs-cjy-0.1.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rs-cjy 0.1.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rs-cjy 0.1.4 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 rs-cjy 0.1.4
[INFO] finished tweaking crates.io crate rs-cjy 0.1.4
[INFO] tweaked toml for crates.io crate rs-cjy 0.1.4 written to /workspace/builds/worker-3/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded yaml-rust v0.4.4
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 591cd066c34a48be376a93c78fd62e512aafa18e9b6daab2704cb8a5e4aed6a5
[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" "591cd066c34a48be376a93c78fd62e512aafa18e9b6daab2704cb8a5e4aed6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "591cd066c34a48be376a93c78fd62e512aafa18e9b6daab2704cb8a5e4aed6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591cd066c34a48be376a93c78fd62e512aafa18e9b6daab2704cb8a5e4aed6a5", kill_on_drop: false }`
[INFO] [stdout] 591cd066c34a48be376a93c78fd62e512aafa18e9b6daab2704cb8a5e4aed6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c8d0d5df2d1f88b84b38a0f53fbccb271593dcd89fb789a13630b283ce01f256
[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" "c8d0d5df2d1f88b84b38a0f53fbccb271593dcd89fb789a13630b283ce01f256", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rs-cjy v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rs-cjy v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/formats/io_csv.rs:7:52
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read_csv(path: &str) -> Result<Tabular, Box<Error>> {
[INFO] [stdout]   |                                                    ^^^^^ help: use `dyn`: `dyn 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/formats/io_csv.rs:12:53
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn parse_csv(text: &str) -> Result<Tabular, Box<Error>> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "c8d0d5df2d1f88b84b38a0f53fbccb271593dcd89fb789a13630b283ce01f256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d0d5df2d1f88b84b38a0f53fbccb271593dcd89fb789a13630b283ce01f256", kill_on_drop: false }`
[INFO] [stdout] c8d0d5df2d1f88b84b38a0f53fbccb271593dcd89fb789a13630b283ce01f256