[INFO] cloning repository https://github.com/mattico/global-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattico/global-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattico%2Fglobal-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattico%2Fglobal-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] deee6c46505c8678d4855d7a8c670f1b3a07a639
[INFO] documenting mattico/global-search against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattico%2Fglobal-search" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattico/global-search on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattico/global-search
[INFO] finished tweaking git repo https://github.com/mattico/global-search
[INFO] tweaked toml for git repo https://github.com/mattico/global-search written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mattico/global-search already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/mattico/elasticlunr-rs`
[INFO] [stderr]     Updating git repository `https://github.com/mattico/mdbook`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maplit v0.1.6
[INFO] [stderr]   Downloaded tinysegmenter v0.1.0
[INFO] [stderr]   Downloaded resolv-conf v0.6.0
[INFO] [stderr]   Downloaded downcast v0.9.2
[INFO] [stderr]   Downloaded socket2 v0.3.4
[INFO] [stderr]   Downloaded cargo_metadata v0.3.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.1.2
[INFO] [stderr]   Downloaded http-range v0.1.1
[INFO] [stderr]   Downloaded smallvec v0.6.0
[INFO] [stderr]   Downloaded hostname v0.1.4
[INFO] [stderr]   Downloaded rust-stemmers v0.1.0
[INFO] [stderr]   Downloaded actix_derive v0.2.0
[INFO] [stderr]   Downloaded staticfile v0.5.0
[INFO] [stderr]   Downloaded h2 v0.1.3
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded bytecount v0.2.0
[INFO] [stderr]   Downloaded skeptic v0.13.2
[INFO] [stderr]   Downloaded strum_macros v0.9.0
[INFO] [stderr]   Downloaded flate2 v1.0.1
[INFO] [stderr]   Downloaded memoffset v0.1.0
[INFO] [stderr]   Downloaded parking_lot_core v0.2.13
[INFO] [stderr]   Downloaded skeptic v0.9.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.8
[INFO] [stderr]   Downloaded string v0.1.0
[INFO] [stderr]   Downloaded lz4 v1.22.0
[INFO] [stderr]   Downloaded atomicwrites v0.1.5
[INFO] [stderr]   Downloaded mio-uds v0.6.4
[INFO] [stderr]   Downloaded fst v0.2.3
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] [stderr]   Downloaded winreg v0.5.0
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded ipconfig v0.1.6
[INFO] [stderr]   Downloaded trust-dns-resolver v0.8.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.2.0
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded tokio-timer v0.2.0
[INFO] [stderr]   Downloaded uuid v0.6.2
[INFO] [stderr]   Downloaded actix v0.5.5
[INFO] [stderr]   Downloaded mime_guess v1.8.4
[INFO] [stderr]   Downloaded trust-dns-proto v0.3.2
[INFO] [stderr]   Downloaded elasticlunr-rs v2.1.2
[INFO] [stderr]   Downloaded lz4-sys v1.8.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.1
[INFO] [stderr]   Downloaded tokio-signal v0.1.5
[INFO] [stderr]   Downloaded cookie v0.10.1
[INFO] [stderr]   Downloaded strum v0.9.0
[INFO] [stderr]   Downloaded sequence_trie v0.3.5
[INFO] [stderr]   Downloaded actix-web v0.4.10
[INFO] [stderr]   Downloaded semver v0.8.0
[INFO] [stderr]   Downloaded mount v0.4.0
[INFO] [stderr]   Downloaded chan v0.1.21
[INFO] [stderr]   Downloaded tempfile v3.0.0
[INFO] [stderr]   Downloaded tantivy v0.5.1
[INFO] [stderr]   Downloaded rust-stemmers v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 314b7b67c4503fa81ef9314799472994d518b04b9744941ef8dedc977af4425b
[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" "314b7b67c4503fa81ef9314799472994d518b04b9744941ef8dedc977af4425b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "314b7b67c4503fa81ef9314799472994d518b04b9744941ef8dedc977af4425b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "314b7b67c4503fa81ef9314799472994d518b04b9744941ef8dedc977af4425b", kill_on_drop: false }`
[INFO] [stdout] 314b7b67c4503fa81ef9314799472994d518b04b9744941ef8dedc977af4425b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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-2020-10-09" "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] 9601f4cc4b71ff6d77b67e5b3a38bea1bd134d067c71c7e04f67592a6757cc0b
[INFO] running `Command { std: "docker" "start" "-a" "9601f4cc4b71ff6d77b67e5b3a38bea1bd134d067c71c7e04f67592a6757cc0b", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]     Checking futures v0.1.20
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking memoffset v0.1.0
[INFO] [stderr]     Checking strum v0.9.0
[INFO] [stderr]     Checking sequence_trie v0.3.5
[INFO] [stderr]     Checking is-match v0.1.0
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]     Checking rust-stemmers v0.1.0
[INFO] [stderr]     Checking downcast v0.9.2
[INFO] [stderr]     Checking open v1.2.1
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.1
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(core_intrinsics, try_from))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { self.type_id() == TypeId::of::<T>() }
[INFO] [stdout]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stdout]     |
[INFO] [stdout] note: candidate #1 is defined in the trait `Any`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5
[INFO] [stdout]     |
[INFO] [stdout] 29  |     fn type_id(&self) -> TypeId { TypeId::of::<Self>() }
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 is defined in the trait `std::any::Any`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_type(&self) -> bool { std::any::Any::type_id(&self) == TypeId::of::<T>() }
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downcast`
[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" "9601f4cc4b71ff6d77b67e5b3a38bea1bd134d067c71c7e04f67592a6757cc0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9601f4cc4b71ff6d77b67e5b3a38bea1bd134d067c71c7e04f67592a6757cc0b", kill_on_drop: false }`
[INFO] [stdout] 9601f4cc4b71ff6d77b67e5b3a38bea1bd134d067c71c7e04f67592a6757cc0b
