[INFO] cloning repository https://github.com/junyw/rust-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/junyw/rust-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunyw%2Frust-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunyw%2Frust-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3b2899de6ee5964c8bcbf641d04ae6dba46a5ad
[INFO] documenting junyw/rust-server 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%2Fjunyw%2Frust-server" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/junyw/rust-server 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/junyw/rust-server
[INFO] finished tweaking git repo https://github.com/junyw/rust-server
[INFO] tweaked toml for git repo https://github.com/junyw/rust-server written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/junyw/rust-server 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] [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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4f014306885ce414cb9f4654f02adaa5f35684f832271bef4e655a2d53c36cc0
[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" "4f014306885ce414cb9f4654f02adaa5f35684f832271bef4e655a2d53c36cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f014306885ce414cb9f4654f02adaa5f35684f832271bef4e655a2d53c36cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f014306885ce414cb9f4654f02adaa5f35684f832271bef4e655a2d53c36cc0", kill_on_drop: false }`
[INFO] [stdout] 4f014306885ce414cb9f4654f02adaa5f35684f832271bef4e655a2d53c36cc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4f5d602f7e6195bdd6511004642418409b32adcec1f037bd0eb2628178c69d9
[INFO] running `Command { std: "docker" "start" "-a" "d4f5d602f7e6195bdd6511004642418409b32adcec1f037bd0eb2628178c69d9", kill_on_drop: false }`
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]  Documenting carbon v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::event`
[INFO] [stdout]   --> src/io/notification.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 | use nix::sys::event::{KEvent, kqueue, kevent, EventFilter};
[INFO] [stdout]    |               ^^^^^ could not find `event` in `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::event`
[INFO] [stdout]  --> src/io/event.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nix::sys::event::{KEvent, EventFilter, FilterFlag};
[INFO] [stdout]   |               ^^^^^ could not find `event` in `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::event`
[INFO] [stdout]  --> src/io/event.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::sys::event::{EV_ADD, EV_ENABLE, EV_DELETE, EV_ERROR};
[INFO] [stdout]   |               ^^^^^ could not find `event` in `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `carbon`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name carbon 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 ansi_term=/opt/rustwide/target/debug/deps/libansi_term-7e12d903d4ce5dd5.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f4ea1a20cb9968e7.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-1e0eafb331cc192c.rmeta --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-49618b38fff31c1e.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-a35095709caf91f3.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-4e0405a302236fae.rmeta --cap-lints=warn --crate-version 0.0.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "d4f5d602f7e6195bdd6511004642418409b32adcec1f037bd0eb2628178c69d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f5d602f7e6195bdd6511004642418409b32adcec1f037bd0eb2628178c69d9", kill_on_drop: false }`
[INFO] [stdout] d4f5d602f7e6195bdd6511004642418409b32adcec1f037bd0eb2628178c69d9