[INFO] cloning repository https://github.com/hgfkeep/rust-std-network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hgfkeep/rust-std-network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgfkeep%2Frust-std-network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgfkeep%2Frust-std-network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9631df3643300e8b054780916ed5e2565c918e3d
[INFO] checking hgfkeep/rust-std-network against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhgfkeep%2Frust-std-network" "/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/hgfkeep/rust-std-network on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hgfkeep/rust-std-network
[INFO] removed workspace from git repo https://github.com/hgfkeep/rust-std-network
[INFO] finished tweaking git repo https://github.com/hgfkeep/rust-std-network
[INFO] tweaked toml for git repo https://github.com/hgfkeep/rust-std-network written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hgfkeep/rust-std-network already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.4
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] [stderr]   Downloaded dns-lookup v1.0.1
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab15c4f62bdbbf16983880ca8fa756c2c1e23b5da9966504f5d1ce00e13adbc
[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" "8ab15c4f62bdbbf16983880ca8fa756c2c1e23b5da9966504f5d1ce00e13adbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab15c4f62bdbbf16983880ca8fa756c2c1e23b5da9966504f5d1ce00e13adbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab15c4f62bdbbf16983880ca8fa756c2c1e23b5da9966504f5d1ce00e13adbc", kill_on_drop: false }`
[INFO] [stdout] 8ab15c4f62bdbbf16983880ca8fa756c2c1e23b5da9966504f5d1ce00e13adbc
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475dde2af300870205c3348be7a03f1181dbe1c339fdd01ade0e84a4ab753d8d
[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" "475dde2af300870205c3348be7a03f1181dbe1c339fdd01ade0e84a4ab753d8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking serde_test v1.0.106
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]     Checking dns-lookup v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> ipaddr/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(ip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `network`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> boardcast/src/main.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{Ipv4Addr, UdpSocket, IpAddr};
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> echo-client/src/main.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader, Result, Write};
[INFO] [stdout]   |                                         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `IpAddr`
[INFO] [stdout]  --> boardcast/src/main.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::{Ipv4Addr, UdpSocket, IpAddr};
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> serde_custom_net_io/src/main.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 /// 反序列化成员字段
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 83 |                 deserializer.deserialize_identifier(FieldVisitor)
[INFO] [stdout]    |                 ------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> serde/src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> serde/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> echo-client/src/main.rs:1:41
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufRead, BufReader, Result, Write};
[INFO] [stdout]   |                                         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stdout]   --> parse_str/src/main.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / named!(parse_request<&[u8], Request>, ws!(
[INFO] [stdout] 33 | |     do_parse!(
[INFO] [stdout] 34 | |         method: parse_method 
[INFO] [stdout] 35 | |         >> url: map_res!( take_until!(" "), str::from_utf8 ) 
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |         >> (Request{method, url: url.into(), version: version.into()})))
[INFO] [stdout] 39 | | );
[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 doc comment
[INFO] [stdout]   --> parse_str/src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | ///named! 定义解析宏，
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> parse_str/src/main.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | /// return_error! 碰到第一个错误就结束解析，其中第一个参数是错误的类型
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> parse_str/src/main.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | /// alt! 尝试一系列的parser，返回第一个成功的结果，
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> parse_str/src/main.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | /// map! 将parser的结果映射到一个闭包中
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> parse_str/src/main.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | /// ws! 处理空白字符，类似正则表达式\s,
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> parse_str/src/main.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | /// do_parse!按顺序执行 一系列的子parser, 每个子parser间使用 >> 分割， 每个子parser何以定义属性，将结果赋值到属性                                  ...
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]    |
[INFO] [stdout]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> nslookup/src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(e) => Err(io::Error::from(io::ErrorKind::AddrNotAvailable)),
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token`, `assert_de_tokens`
[INFO] [stdout]  --> serde_custom_net_io/src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_test::{assert_de_tokens, Token};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> serde_custom_net_io/src/main.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 /// 反序列化成员字段
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 83 |                 deserializer.deserialize_identifier(FieldVisitor)
[INFO] [stdout]    |                 ------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "475dde2af300870205c3348be7a03f1181dbe1c339fdd01ade0e84a4ab753d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475dde2af300870205c3348be7a03f1181dbe1c339fdd01ade0e84a4ab753d8d", kill_on_drop: false }`
[INFO] [stdout] 475dde2af300870205c3348be7a03f1181dbe1c339fdd01ade0e84a4ab753d8d
