[INFO] cloning repository https://github.com/inq/dope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/inq/dope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fdope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finq%2Fdope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95f8a781ea403fcbdf2a59fd409abd79624d20e8
[INFO] documenting inq/dope 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%2Finq%2Fdope" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/inq/dope 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/inq/dope
[INFO] finished tweaking git repo https://github.com/inq/dope
[INFO] tweaked toml for git repo https://github.com/inq/dope written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/inq/dope 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 02d112e86fab7de86b43501ddb1b8c19a60f296aebdf8474d541a2e878f00c36
[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" "02d112e86fab7de86b43501ddb1b8c19a60f296aebdf8474d541a2e878f00c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02d112e86fab7de86b43501ddb1b8c19a60f296aebdf8474d541a2e878f00c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d112e86fab7de86b43501ddb1b8c19a60f296aebdf8474d541a2e878f00c36", kill_on_drop: false }`
[INFO] [stdout] 02d112e86fab7de86b43501ddb1b8c19a60f296aebdf8474d541a2e878f00c36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6f5abbb9a10f955d3b639d8081183269dc524593bbf33907df2c5042d694735e
[INFO] running `Command { std: "docker" "start" "-a" "6f5abbb9a10f955d3b639d8081183269dc524593bbf33907df2c5042d694735e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]  Documenting dope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `kevent` in crate `libc`
[INFO] [stdout]    --> src/executor/reactor/sys/kqueue/mod.rs:16:23
[INFO] [stdout]     |
[INFO] [stdout] 16  |       events: Vec<libc::kevent>,
[INFO] [stdout]     |                         ^^^^^^ help: a struct with a similar name exists: `servent`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.66/src/unix/mod.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout] 43  | / s! {
[INFO] [stdout] 44  | |     pub struct group {
[INFO] [stdout] 45  | |         pub gr_name: *mut ::c_char,
[INFO] [stdout] 46  | |         pub gr_passwd: *mut ::c_char,
[INFO] [stdout] ...   |
[INFO] [stdout] 195 | |     }
[INFO] [stdout] 196 | | }
[INFO] [stdout]     | |_- similarly named struct `servent` defined here
[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(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `dope`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name dope 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 bitflags=/opt/rustwide/target/debug/deps/libbitflags-e1a9b9121eac1683.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-7ca5d870b722d839.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-772b634abd4ccf42.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-efa70714474a2950.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f2d7bce8c9fa4b7a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0a8922ca1ab2fc25.rmeta --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-e14a1757ae8c2e9f.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d6a5ee60f6d50bfb.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-e0e0e35ef9a5003f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6f5abbb9a10f955d3b639d8081183269dc524593bbf33907df2c5042d694735e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5abbb9a10f955d3b639d8081183269dc524593bbf33907df2c5042d694735e", kill_on_drop: false }`
[INFO] [stdout] 6f5abbb9a10f955d3b639d8081183269dc524593bbf33907df2c5042d694735e