[INFO] cloning repository https://github.com/vincom2/echoserver.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincom2/echoserver.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincom2%2Fechoserver.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincom2%2Fechoserver.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e42004d97e58d2acfb10562eabd1324e6943077f
[INFO] documenting vincom2/echoserver.rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincom2%2Fechoserver.rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vincom2/echoserver.rs on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vincom2/echoserver.rs
[INFO] finished tweaking git repo https://github.com/vincom2/echoserver.rs
[INFO] tweaked toml for git repo https://github.com/vincom2/echoserver.rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/vincom2/echoserver.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] 9c12162ea565a8165c1c6a57cd5e0472f73ab55780137e7dd551c3698dbe8579
[INFO] running `Command { std: "docker" "start" "-a" "9c12162ea565a8165c1c6a57cd5e0472f73ab55780137e7dd551c3698dbe8579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c12162ea565a8165c1c6a57cd5e0472f73ab55780137e7dd551c3698dbe8579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c12162ea565a8165c1c6a57cd5e0472f73ab55780137e7dd551c3698dbe8579", kill_on_drop: false }`
[INFO] [stdout] 9c12162ea565a8165c1c6a57cd5e0472f73ab55780137e7dd551c3698dbe8579
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf280134e1f4f8421f35377b70f8b9df8fe1626061275d7ee6d7798f5d937bf
[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" "6cf280134e1f4f8421f35377b70f8b9df8fe1626061275d7ee6d7798f5d937bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting echo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]   --> src/main.rs:39:22
[INFO] [stdout]    |
[INFO] [stdout] 39 |         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 `getopts::optopt`, `getopts::optflag`, `getopts::getopts`
[INFO] [stdout]  --> src/main.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use getopts::{optopt, optflag, getopts, OptGroup};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^  ^^^^^^^ no `getopts` in the root
[INFO] [stdout]   |               |       |
[INFO] [stdout]   |               |       no `optflag` in the root
[INFO] [stdout]   |               no `optopt` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::Acceptor`, `std::io::Listener`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{Acceptor, Listener};
[INFO] [stdout]   |               ^^^^^^^^  ^^^^^^^^ no `Listener` in `io`
[INFO] [stdout]   |               |
[INFO] [stdout]   |               no `Acceptor` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::TcpListener`
[INFO] [stdout]  --> src/bind.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{TcpListener, stdio};
[INFO] [stdout]   |               ^^^^^^^^^^^ no `TcpListener` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::io::TcpStream`, `std::io::IoResult`
[INFO] [stdout]  --> src/echo.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{TcpStream, IoResult};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |               |          |
[INFO] [stdout]   |               |          no `IoResult` in `io`
[INFO] [stdout]   |               |          help: a similar name exists in the module: `Result`
[INFO] [stdout]   |               no `TcpStream` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `OptGroup` is private
[INFO] [stdout]    --> src/main.rs:5:41
[INFO] [stdout]     |
[INFO] [stdout] 5   | use getopts::{optopt, optflag, getopts, OptGroup};
[INFO] [stdout]     |                                         ^^^^^^^^ private struct
[INFO] [stdout]     |
[INFO] [stdout] note: the struct `OptGroup` is defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `stdio` is private
[INFO] [stdout]    --> src/bind.rs:1:28
[INFO] [stdout]     |
[INFO] [stdout] 1   | use std::io::{TcpListener, stdio};
[INFO] [stdout]     |                            ^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `stdio` is defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `echo_server`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name echo_server 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 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6cf280134e1f4f8421f35377b70f8b9df8fe1626061275d7ee6d7798f5d937bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf280134e1f4f8421f35377b70f8b9df8fe1626061275d7ee6d7798f5d937bf", kill_on_drop: false }`
[INFO] [stdout] 6cf280134e1f4f8421f35377b70f8b9df8fe1626061275d7ee6d7798f5d937bf
