[INFO] updating cached repository kardeiz/tantivy-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kardeiz/tantivy-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kardeiz/tantivy-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/kardeiz/tantivy-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kardeiz/tantivy-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kardeiz/tantivy-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kardeiz/tantivy-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kardeiz/tantivy-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b2a98506bd12e5f3e21700e5115d60851c855e7
[INFO] sha for GitHub repo kardeiz/tantivy-example: 9b2a98506bd12e5f3e21700e5115d60851c855e7
[INFO] validating manifest of kardeiz/tantivy-example on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kardeiz/tantivy-example on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kardeiz/tantivy-example
[INFO] finished frobbing kardeiz/tantivy-example
[INFO] frobbed toml for kardeiz/tantivy-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/kardeiz/tantivy-example/Cargo.toml
[INFO] started frobbing kardeiz/tantivy-example
[INFO] finished frobbing kardeiz/tantivy-example
[INFO] frobbed toml for kardeiz/tantivy-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kardeiz/tantivy-example/Cargo.toml
[INFO] crate kardeiz/tantivy-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kardeiz/tantivy-example against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kardeiz/tantivy-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5312a14898828471af38fd3d928b9322ba963f299ae71bde03087ab19f8a2159
[INFO] running `"docker" "start" "-a" "5312a14898828471af38fd3d928b9322ba963f299ae71bde03087ab19f8a2159"`
[INFO] [stderr]    Compiling census v0.1.1
[INFO] [stderr]    Compiling rust-stemmers v0.1.0
[INFO] [stderr]    Compiling downcast v0.9.2
[INFO] [stderr]    Compiling actix-web v0.7.3
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling socket2 v0.3.7
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]    --> /opt/crater/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::<T>() }
[INFO] [stderr]     |                                      ^^^^^^^ multiple `type_id` found
[INFO] [stderr]     |
[INFO] [stderr] note: candidate #1 is defined in the trait `Any`
[INFO] [stderr]    --> /opt/crater/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::<Self>() }
[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" "5312a14898828471af38fd3d928b9322ba963f299ae71bde03087ab19f8a2159"`
[INFO] running `"docker" "rm" "-f" "5312a14898828471af38fd3d928b9322ba963f299ae71bde03087ab19f8a2159"`
[INFO] [stdout] 5312a14898828471af38fd3d928b9322ba963f299ae71bde03087ab19f8a2159