[INFO] fetching crate heliotrope 0.1.0...
[INFO] documenting heliotrope-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate heliotrope 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate heliotrope 0.1.0 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 crates.io crate heliotrope 0.1.0
[INFO] finished tweaking crates.io crate heliotrope 0.1.0
[INFO] tweaked toml for crates.io crate heliotrope 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] f6034482d34716c976147de41571413b647ab9b90035e6217665cb44771b1f1b
[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" "f6034482d34716c976147de41571413b647ab9b90035e6217665cb44771b1f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6034482d34716c976147de41571413b647ab9b90035e6217665cb44771b1f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6034482d34716c976147de41571413b647ab9b90035e6217665cb44771b1f1b", kill_on_drop: false }`
[INFO] [stdout] f6034482d34716c976147de41571413b647ab9b90035e6217665cb44771b1f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6b68be7a22326d78021c06a8ba7f86fbfbd60e0613abafdb317b32244f69f036
[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" "6b68be7a22326d78021c06a8ba7f86fbfbd60e0613abafdb317b32244f69f036", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]  Documenting heliotrope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `url::UrlParser`
[INFO] [stdout]    --> src/lib.rs:160:16
[INFO] [stdout]     |
[INFO] [stdout] 160 | use url::{Url, UrlParser};
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                no `UrlParser` in the root
[INFO] [stdout]     |                help: a similar name exists in the module: `Parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::header::ContentType`
[INFO] [stdout]  --> src/http_utils.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hyper::header::{ContentType};
[INFO] [stdout]   |                     ^^^^^^^^^^^ no `ContentType` in `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `hyper::status`
[INFO] [stdout]  --> src/http_utils.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use hyper::status::StatusCode;
[INFO] [stdout]   |            ^^^^^^ could not find `status` in `hyper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `heliotrope`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name heliotrope 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 --extern hyper=/opt/rustwide/target/debug/deps/libhyper-1f880e10093c5784.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-0e355727854478f2.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-fdb3041a5411ff7b.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-762ba2e1e45d868f.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6b68be7a22326d78021c06a8ba7f86fbfbd60e0613abafdb317b32244f69f036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b68be7a22326d78021c06a8ba7f86fbfbd60e0613abafdb317b32244f69f036", kill_on_drop: false }`
[INFO] [stdout] 6b68be7a22326d78021c06a8ba7f86fbfbd60e0613abafdb317b32244f69f036