[INFO] fetching crate dope 0.1.0...
[INFO] documenting dope-0.1.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate dope 0.1.0 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate dope 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dope 0.1.0
[INFO] finished tweaking crates.io crate dope 0.1.0
[INFO] tweaked toml for crates.io crate dope 0.1.0 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63b4657d49bc9a427cb56116256274522a729051fa2c29e4c37fc304d23b2aa8
[INFO] running `Command { std: "docker" "start" "-a" "63b4657d49bc9a427cb56116256274522a729051fa2c29e4c37fc304d23b2aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b4657d49bc9a427cb56116256274522a729051fa2c29e4c37fc304d23b2aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b4657d49bc9a427cb56116256274522a729051fa2c29e4c37fc304d23b2aa8", kill_on_drop: false }`
[INFO] [stdout] 63b4657d49bc9a427cb56116256274522a729051fa2c29e4c37fc304d23b2aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d25df0302ad85f219da89de7d10be2ad286845656e169582d76ecd0023b8ad5
[INFO] running `Command { std: "docker" "start" "-a" "0d25df0302ad85f219da89de7d10be2ad286845656e169582d76ecd0023b8ad5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[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.rs:15:23
[INFO] [stdout]     |
[INFO] [stdout] 15  |       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-0.2.98/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 stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait, weak_counts)]
[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 chrono=/opt/rustwide/target/debug/deps/libchrono-df28f6d2940d850c.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-7b50184a627775cc.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f025f244cdd8a663.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d38c567ce4ccc50e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-325d2e3c8b888de3.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-95d9fc37d094a7dd.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0d25df0302ad85f219da89de7d10be2ad286845656e169582d76ecd0023b8ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d25df0302ad85f219da89de7d10be2ad286845656e169582d76ecd0023b8ad5", kill_on_drop: false }`
[INFO] [stdout] 0d25df0302ad85f219da89de7d10be2ad286845656e169582d76ecd0023b8ad5
