[INFO] updating cached repository mattico/global-search [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mattico/global-search [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mattico/global-search" "work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/global-search"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/global-search'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mattico/global-search" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/global-search"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/global-search'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] deee6c46505c8678d4855d7a8c670f1b3a07a639 [INFO] sha for GitHub repo mattico/global-search: deee6c46505c8678d4855d7a8c670f1b3a07a639 [INFO] validating manifest of mattico/global-search 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 mattico/global-search 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 mattico/global-search [INFO] finished frobbing mattico/global-search [INFO] frobbed toml for mattico/global-search written to work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/global-search/Cargo.toml [INFO] started frobbing mattico/global-search [INFO] finished frobbing mattico/global-search [INFO] frobbed toml for mattico/global-search written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mattico/global-search/Cargo.toml [INFO] crate mattico/global-search 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 mattico/global-search 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mattico/global-search:/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] 7f3f62d6d1428c42def2aab4459d3c4cd04cce0da16b75569f6a74fdbfaef964 [INFO] running `"docker" "start" "-a" "7f3f62d6d1428c42def2aab4459d3c4cd04cce0da16b75569f6a74fdbfaef964"` [INFO] [stderr] Compiling futures v0.1.20 [INFO] [stderr] Compiling smallvec v0.6.0 [INFO] [stderr] Compiling bytecount v0.2.0 [INFO] [stderr] Compiling sequence_trie v0.3.5 [INFO] [stderr] Compiling maplit v0.1.6 [INFO] [stderr] Compiling strum v0.9.0 [INFO] [stderr] Compiling rust-stemmers v0.1.0 [INFO] [stderr] Compiling downcast v0.9.2 [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/downcast-0.9.2/src/lib.rs:2:34 [INFO] [stderr] | [INFO] [stderr] 2 | #![cfg_attr(feature = "nightly", feature(core_intrinsics, try_from))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [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::() } [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::() } [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] Compiling proc-macro2 v0.3.1 [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0034, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0034`. [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling brotli-sys v0.3.2 [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" "7f3f62d6d1428c42def2aab4459d3c4cd04cce0da16b75569f6a74fdbfaef964"` [INFO] running `"docker" "rm" "-f" "7f3f62d6d1428c42def2aab4459d3c4cd04cce0da16b75569f6a74fdbfaef964"` [INFO] [stdout] 7f3f62d6d1428c42def2aab4459d3c4cd04cce0da16b75569f6a74fdbfaef964