[INFO] crate wikibase 0.5.0 is already in cache
[INFO] checking wikibase-0.5.0 against beta-2019-10-27 for pr-65897
[INFO] extracting crate wikibase 0.5.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate wikibase 0.5.0 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate wikibase 0.5.0
[INFO] finished tweaking crates.io crate wikibase 0.5.0
[INFO] tweaked toml for crates.io crate wikibase 0.5.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21b302ba764eca6a1d735f160bec6d44a07a52c142c2f6c8b5126def1a3aba08
[INFO] running `"docker" "start" "-a" "21b302ba764eca6a1d735f160bec6d44a07a52c142c2f6c8b5126def1a3aba08"`
[INFO] [stderr]     Checking cookie_store v0.6.0
[INFO] [stderr]     Checking user_agent v0.7.0
[INFO] [stderr]     Checking mediawiki v0.1.17
[INFO] [stderr]     Checking wikibase v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> benches/bench_from_json.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `id` found for type `wikibase::Entity` in the current scope
[INFO] [stderr]   --> benches/bench_from_json.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 |         item.id();
[INFO] [stderr]    |              ^^ method not found in `wikibase::Entity`
[INFO] [stderr]    |
[INFO] [stderr]    = help: items from traits can only be used if the trait is in scope
[INFO] [stderr] help: the following trait is implemented but not in scope, perhaps add a `use` for it:
[INFO] [stderr]    |
[INFO] [stderr] 7  | use wikibase::EntityTrait;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `wikibase`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "21b302ba764eca6a1d735f160bec6d44a07a52c142c2f6c8b5126def1a3aba08"`
[INFO] running `"docker" "rm" "-f" "21b302ba764eca6a1d735f160bec6d44a07a52c142c2f6c8b5126def1a3aba08"`
[INFO] [stdout] 21b302ba764eca6a1d735f160bec6d44a07a52c142c2f6c8b5126def1a3aba08