[INFO] cloning repository https://github.com/wayslog/statsd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wayslog/statsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayslog%2Fstatsd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayslog%2Fstatsd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8f37576bf78215b7eb79195cd8e30978820e761
[INFO] documenting wayslog/statsd against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwayslog%2Fstatsd" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wayslog/statsd 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 git repo https://github.com/wayslog/statsd
[INFO] finished tweaking git repo https://github.com/wayslog/statsd
[INFO] tweaked toml for git repo https://github.com/wayslog/statsd written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wayslog/statsd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 97cf290e845f3193c3ad406c95778172e9f4199b74bde41b21860ff85456842a
[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" "97cf290e845f3193c3ad406c95778172e9f4199b74bde41b21860ff85456842a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97cf290e845f3193c3ad406c95778172e9f4199b74bde41b21860ff85456842a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cf290e845f3193c3ad406c95778172e9f4199b74bde41b21860ff85456842a", kill_on_drop: false }`
[INFO] [stdout] 97cf290e845f3193c3ad406c95778172e9f4199b74bde41b21860ff85456842a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a5484212c8d6f410439754dc0e228a97f15c2e940d1b55ac0068da697c1b9b81
[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" "a5484212c8d6f410439754dc0e228a97f15c2e940d1b55ac0068da697c1b9b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v1.0.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.6
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking backtrace v0.3.7
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking statsd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting statsd v0.1.0 (/opt/rustwide/workdir)
[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(test)]
[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(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `statsd`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name stats 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 bytes=/opt/rustwide/target/debug/deps/libbytes-4b36b2f48b0f4d40.rmeta --extern crc16=/opt/rustwide/target/debug/deps/libcrc16-2efcb2640f730fe4.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-b3a5893b72f65bba.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-28181995cabe3235.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-cf4d76021896b070.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-8f66ec0b6a99ab59.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4cef34d6671a7dde.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5cddd01409ed33c7.rmeta --extern net2=/opt/rustwide/target/debug/deps/libnet2-4da31c658e496785.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-88d541002f89a8c3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3bd504f814e79f02.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-6c2b01e71d332c80.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b681bd70180bf300.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-913490481f6c4ad1.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/com.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / lazy_static! {
[INFO] [stdout] 44 | |     pub static ref CONFIG: Config = {
[INFO] [stdout] 45 | |         use std::env;
[INFO] [stdout] 46 | |         use std::fs;
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |     };
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::prelude`
[INFO] [stdout]  --> src/sender/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a5484212c8d6f410439754dc0e228a97f15c2e940d1b55ac0068da697c1b9b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5484212c8d6f410439754dc0e228a97f15c2e940d1b55ac0068da697c1b9b81", kill_on_drop: false }`
[INFO] [stdout] a5484212c8d6f410439754dc0e228a97f15c2e940d1b55ac0068da697c1b9b81