[INFO] updating cached repository https://github.com/WimbledonLabs/rust-search-engine-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cee5bf28c20f4432743f8cff23764a9a04a6f433 [INFO] testing WimbledonLabs/rust-search-engine-example against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FWimbledonLabs%2Frust-search-engine-example" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WimbledonLabs/rust-search-engine-example on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/WimbledonLabs/rust-search-engine-example [INFO] finished tweaking git repo https://github.com/WimbledonLabs/rust-search-engine-example [INFO] tweaked toml for git repo https://github.com/WimbledonLabs/rust-search-engine-example written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/WimbledonLabs/rust-search-engine-example already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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-2019-09-28" "build" "--frozen"` [INFO] [stdout] 38180173100b0a0662ccde459e71631db3051b4c365c93fefb168090d164deab [INFO] running `"docker" "start" "-a" "38180173100b0a0662ccde459e71631db3051b4c365c93fefb168090d164deab"` [INFO] [stderr] Compiling pkg-config v0.3.13 [INFO] [stderr] Compiling untrusted v0.5.1 [INFO] [stderr] Compiling nix v0.11.0 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Compiling openssl v0.10.11 [INFO] [stderr] Compiling pear v0.0.19 [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Compiling ordermap v0.2.13 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling regex-syntax v0.3.9 [INFO] [stderr] Compiling utf8-ranges v0.1.3 [INFO] [stderr] Compiling rust-stemmers v0.1.0 [INFO] [stderr] Compiling downcast v0.9.2 [INFO] [stderr] Compiling census v0.1.1 [INFO] [stderr] Compiling ascii v0.9.0 [INFO] [stderr] Compiling crossbeam v0.3.2 [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:120:38 [INFO] [stderr] | [INFO] [stderr] 120 | fn is_type(&self) -> bool { self.type_id() == TypeId::of::() } [INFO] [stderr] | ^^^^^^^ multiple `type_id` found [INFO] [stderr] | [INFO] [stderr] note: candidate #1 is defined in the trait `Any` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | fn type_id(&self) -> TypeId { TypeId::of::() } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] = help: to disambiguate the method call, write `Any::type_id(&self)` instead [INFO] [stderr] note: candidate #2 is defined in the trait `std::any::Any` [INFO] [stderr] = help: to disambiguate the method call, write `std::any::Any::type_id(&self)` instead [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0034`. [INFO] [stderr] error: could not compile `downcast`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "38180173100b0a0662ccde459e71631db3051b4c365c93fefb168090d164deab"` [INFO] running `"docker" "rm" "-f" "38180173100b0a0662ccde459e71631db3051b4c365c93fefb168090d164deab"` [INFO] [stdout] 38180173100b0a0662ccde459e71631db3051b4c365c93fefb168090d164deab