[INFO] cloning repository https://github.com/meneriaz/palaver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meneriaz/palaver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeneriaz%2Fpalaver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeneriaz%2Fpalaver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa78e2d7fd787d142b1d9ef8cd9302d631eae53b
[INFO] documenting meneriaz/palaver against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeneriaz%2Fpalaver" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meneriaz/palaver on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meneriaz/palaver
[INFO] finished tweaking git repo https://github.com/meneriaz/palaver
[INFO] tweaked toml for git repo https://github.com/meneriaz/palaver written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/meneriaz/palaver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efa7e17bcb347f38cc64f9ba2a25d9d6dea5fe9d14de05ae693567493b644bfb
[INFO] running `Command { std: "docker" "start" "-a" "efa7e17bcb347f38cc64f9ba2a25d9d6dea5fe9d14de05ae693567493b644bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa7e17bcb347f38cc64f9ba2a25d9d6dea5fe9d14de05ae693567493b644bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa7e17bcb347f38cc64f9ba2a25d9d6dea5fe9d14de05ae693567493b644bfb", kill_on_drop: false }`
[INFO] [stdout] efa7e17bcb347f38cc64f9ba2a25d9d6dea5fe9d14de05ae693567493b644bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f4746dd9f150360365977e5bca67cb6af1565c6e358ef8ad9f5b6f196e908c6
[INFO] running `Command { std: "docker" "start" "-a" "1f4746dd9f150360365977e5bca67cb6af1565c6e358ef8ad9f5b6f196e908c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting palaver v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/connection.rs:37:39
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let future = Future::spawn(proc() {
[INFO] [stdout]    |                                      -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::BufferedReader`, `std::io::BufferedWriter`
[INFO] [stdout]  --> src/connection.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{BufferedReader, BufferedWriter};
[INFO] [stdout]   |               ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^ no `BufferedWriter` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::IoResult`, `std::io::TcpStream`
[INFO] [stdout]  --> src/connection.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{IoResult, TcpStream};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^^^ no `TcpStream` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `IoResult` in `io`
[INFO] [stdout]   |               help: a similar name exists in the module: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::sync::Future`
[INFO] [stdout]  --> src/connection.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `Future` in `sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `experimental` in this scope
[INFO] [stdout]  --> src/connection.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![experimental]
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `select` in this scope
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         select! {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Receiver` in this scope
[INFO] [stdout]  --> src/connection.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Connection = (Receiver<Vec<u8>>,
[INFO] [stdout]   |                    ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::Receiver;
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::mpsc::Receiver;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Writer` in this scope
[INFO] [stdout]   --> src/connection.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn send<T: Writer>(w: &mut T, messages: &[Message]) -> IoResult<()> {
[INFO] [stdout]    |                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Writer` in this scope
[INFO] [stdout]   --> src/connection.rs:51:22
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn buffer_message<T: Writer>(w: &mut T, prefix: Option<&[u8]>, command: &[u8],
[INFO] [stdout]    |                      ^^^^^^ not found in this scope
[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: E0405, E0412, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `palaver`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name palaver src/main.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 status: 1)
[INFO] running `Command { std: "docker" "inspect" "1f4746dd9f150360365977e5bca67cb6af1565c6e358ef8ad9f5b6f196e908c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4746dd9f150360365977e5bca67cb6af1565c6e358ef8ad9f5b6f196e908c6", kill_on_drop: false }`
[INFO] [stdout] 1f4746dd9f150360365977e5bca67cb6af1565c6e358ef8ad9f5b6f196e908c6
