[INFO] fetching crate gopher 0.0.3...
[INFO] documenting gopher-0.0.3 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate gopher 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gopher 0.0.3 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gopher 0.0.3
[INFO] finished tweaking crates.io crate gopher 0.0.3
[INFO] tweaked toml for crates.io crate gopher 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f43972e05d3aaaa84e76004f79da7c83e2e087af462ba1022c96234d5f5183
[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" "d2f43972e05d3aaaa84e76004f79da7c83e2e087af462ba1022c96234d5f5183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f43972e05d3aaaa84e76004f79da7c83e2e087af462ba1022c96234d5f5183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f43972e05d3aaaa84e76004f79da7c83e2e087af462ba1022c96234d5f5183", kill_on_drop: false }`
[INFO] [stdout] d2f43972e05d3aaaa84e76004f79da7c83e2e087af462ba1022c96234d5f5183
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] b388628a9a59a91344159f9f106501f6b7c73d1d873541533e5d3111da95cc77
[INFO] running `Command { std: "docker" "start" "-a" "b388628a9a59a91344159f9f106501f6b7c73d1d873541533e5d3111da95cc77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting gopher v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `net` in `io`
[INFO] [stdout]  --> src/client.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::net::tcp::TcpStream;
[INFO] [stdout]   |              ^^^ could not find `net` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::IoResult`
[INFO] [stdout]  --> src/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::IoResult;
[INFO] [stdout]   |     ^^^^^^^^^--------
[INFO] [stdout]   |     |        |
[INFO] [stdout]   |     |        help: a similar name exists in the module: `Result`
[INFO] [stdout]   |     no `IoResult` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]   --> src/client.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |         use std::io::BufferedReader;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::Reader`, `std::io::IoResult`
[INFO] [stdout]  --> src/protocol.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Reader, IoResult};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^ no `IoResult` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `Reader` in `io`
[INFO] [stdout]   |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, IoResult};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Reader, Result};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]  --> src/protocol.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[deriving(Copy, Show, PartialEq, Eq, FromPrimitive)]
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/protocol.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[deriving(Copy, Show, PartialEq, Eq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `deriving` in this scope
[INFO] [stdout]   --> src/protocol.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 | #[deriving(Show, PartialEq, Eq)]
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TcpStream` in this scope
[INFO] [stdout]   --> src/client.rs:39:35
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn connect(&self) -> IoResult<TcpStream> {
[INFO] [stdout]    |                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  | use std::net::TcpStream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(globs)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: box expression syntax is experimental; you can call `Box::new` instead
[INFO] [stdout]   --> src/protocol.rs:78:21
[INFO] [stdout]    |
[INFO] [stdout] 78 |             reader: box reader as Box<Reader>,
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #49733 <https://github.com/rust-lang/rust/issues/49733> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `gopher`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name gopher 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 0.0.3` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b388628a9a59a91344159f9f106501f6b7c73d1d873541533e5d3111da95cc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b388628a9a59a91344159f9f106501f6b7c73d1d873541533e5d3111da95cc77", kill_on_drop: false }`
[INFO] [stdout] b388628a9a59a91344159f9f106501f6b7c73d1d873541533e5d3111da95cc77
