[INFO] cloning repository https://github.com/XuShaohua/xuanwu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XuShaohua/xuanwu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXuShaohua%2Fxuanwu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXuShaohua%2Fxuanwu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9b6a353a03e71daaf8fe6068a77f54f121bf47b
[INFO] documenting XuShaohua/xuanwu against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXuShaohua%2Fxuanwu" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/XuShaohua/xuanwu on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/XuShaohua/xuanwu
[INFO] removed path dependency nc from git repo https://github.com/XuShaohua/xuanwu
[INFO] finished tweaking git repo https://github.com/XuShaohua/xuanwu
[INFO] tweaked toml for git repo https://github.com/XuShaohua/xuanwu written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/XuShaohua/xuanwu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (nc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (nc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 833bfcc6c38895f6d9bcb6e9db47567bfab68a361626a492085efd78dd06256b
[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" "833bfcc6c38895f6d9bcb6e9db47567bfab68a361626a492085efd78dd06256b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "833bfcc6c38895f6d9bcb6e9db47567bfab68a361626a492085efd78dd06256b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833bfcc6c38895f6d9bcb6e9db47567bfab68a361626a492085efd78dd06256b", kill_on_drop: false }`
[INFO] [stdout] 833bfcc6c38895f6d9bcb6e9db47567bfab68a361626a492085efd78dd06256b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36e2e9338393279dd47a9768babf12ebf2ecfc5509a27877142cc139128628ec
[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" "36e2e9338393279dd47a9768babf12ebf2ecfc5509a27877142cc139128628ec", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (nc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling nc v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking xuanwu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting xuanwu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/core/timer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `default` found for struct `nc::types::eventpoll::epoll_event_t` in the current scope
[INFO] [stdout]   --> src/core/epoll_event.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut event_list = vec![nc::epoll_event_t::default(); 1024];
[INFO] [stdout]    |                                                      ^^^^^^^ function or associated item not found in `nc::types::eventpoll::epoll_event_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/core/epoll_event.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             &mut event_list,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ expected struct `nc::types::eventpoll::epoll_event_t`, found struct `std::vec::Vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut nc::types::eventpoll::epoll_event_t`
[INFO] [stdout]               found mutable reference `&mut std::vec::Vec<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xuanwu`.
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "36e2e9338393279dd47a9768babf12ebf2ecfc5509a27877142cc139128628ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36e2e9338393279dd47a9768babf12ebf2ecfc5509a27877142cc139128628ec", kill_on_drop: false }`
[INFO] [stdout] 36e2e9338393279dd47a9768babf12ebf2ecfc5509a27877142cc139128628ec