[INFO] cloning repository https://github.com/abbradar/nets-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abbradar/nets-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbradar%2Fnets-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabbradar%2Fnets-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c89a20b5787ba4db664979a001ba2263f815ee46
[INFO] documenting abbradar/nets-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%2Fabbradar%2Fnets-server" "/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/abbradar/nets-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/abbradar/nets-server
[INFO] removed path dependency nix from git repo https://github.com/abbradar/nets-server
[INFO] finished tweaking git repo https://github.com/abbradar/nets-server
[INFO] tweaked toml for git repo https://github.com/abbradar/nets-server written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/abbradar/nets-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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-14/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] 203cc118772b6f9fe57a82345af4aa16a95b5041a85deca81235ae7c1a7ed42c
[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" "203cc118772b6f9fe57a82345af4aa16a95b5041a85deca81235ae7c1a7ed42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "203cc118772b6f9fe57a82345af4aa16a95b5041a85deca81235ae7c1a7ed42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203cc118772b6f9fe57a82345af4aa16a95b5041a85deca81235ae7c1a7ed42c", kill_on_drop: false }`
[INFO] [stdout] 203cc118772b6f9fe57a82345af4aa16a95b5041a85deca81235ae7c1a7ed42c
[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" "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] 589a7e022575980197d82c6c2b7cfeb8d297f5bf92e4a5c734397d29d6844aaa
[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" "589a7e022575980197d82c6c2b7cfeb8d297f5bf92e4a5c734397d29d6844aaa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting nets-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::timerfd`
[INFO] [stdout]   --> src/smtp.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use nix::sys::timerfd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ no `timerfd` in `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::timerfd`
[INFO] [stdout]   --> src/smtp.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | use nix::sys::timerfd::{ITimerSpec, ClockId, TfFlag, TfTimerFlag};
[INFO] [stdout]    |               ^^^^^^^ could not find `timerfd` in `sys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nix::sys::timerfd`
[INFO] [stdout]   --> src/main.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 | use nix::sys::timerfd::ITimerSpec;
[INFO] [stdout]    |               ^^^^^^^ could not find `timerfd` 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 `nets-server`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name nets_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 --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-554c840b0ec7dfdd.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-b01e5f49cd1b74e8.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-87a20332b68312bb.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-af440ca8545d092f.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-fe4a174289838585.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-d2bad9c36a0b5ce7.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-bb712bfb1e6d5b0b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "589a7e022575980197d82c6c2b7cfeb8d297f5bf92e4a5c734397d29d6844aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589a7e022575980197d82c6c2b7cfeb8d297f5bf92e4a5c734397d29d6844aaa", kill_on_drop: false }`
[INFO] [stdout] 589a7e022575980197d82c6c2b7cfeb8d297f5bf92e4a5c734397d29d6844aaa