[INFO] crate korat 0.2.0 is already in cache
[INFO] testing korat-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate korat 0.2.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate korat 0.2.0 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 crates.io crate korat 0.2.0
[INFO] finished tweaking crates.io crate korat 0.2.0
[INFO] tweaked toml for crates.io crate korat 0.2.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] 4eb9bb5cc0010fb6bee41832785eb99f748b32d9d50afe5d922d8e39268baa13
[INFO] running `"docker" "start" "-a" "4eb9bb5cc0010fb6bee41832785eb99f748b32d9d50afe5d922d8e39268baa13"`
[INFO] [stderr]    Compiling rusoto_core v0.41.0
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling tokio-process v0.2.4
[INFO] [stderr]    Compiling rusoto_credential v0.41.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.41.0
[INFO] [stderr]    Compiling korat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from, decl_macro)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: a collection of type `std::collections::HashSet<std::vec::Vec<u8>>` cannot be built from an iterator over elements of type `bytes::bytes::Bytes`
[INFO] [stderr]    --> src/lib.rs:129:50
[INFO] [stderr]     |
[INFO] [stderr] 129 |             .and_then(|mut vec| Ok(vec.drain(..).collect()))
[INFO] [stderr]     |                                                  ^^^^^^^ a collection of type `std::collections::HashSet<std::vec::Vec<u8>>` cannot be built from `std::iter::Iterator<Item=bytes::bytes::Bytes>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::FromIterator<bytes::bytes::Bytes>` is not implemented for `std::collections::HashSet<std::vec::Vec<u8>>`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: a collection of type `std::vec::Vec<bytes::bytes::Bytes>` cannot be built from an iterator over elements of type `std::vec::Vec<u8>`
[INFO] [stderr]    --> src/lib.rs:133:38
[INFO] [stderr]     |
[INFO] [stderr] 133 |         macros::attribute_value!(bs, self.drain().collect())
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^ a collection of type `std::vec::Vec<bytes::bytes::Bytes>` cannot be built from `std::iter::Iterator<Item=std::vec::Vec<u8>>`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::FromIterator<std::vec::Vec<u8>>` is not implemented for `std::vec::Vec<bytes::bytes::Bytes>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:139:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn from_attribute_value(attribute_value: AttributeValue) -> ConversionResult<Self> {
[INFO] [stderr]     |                                                                 ---------------------- expected `std::result::Result<std::vec::Vec<u8>, errors::ConversionError>` because of return type
[INFO] [stderr] 139 |         attribute_value.b.ok_or(ConversionError::MissingValue)
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `bytes::bytes::Bytes`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::result::Result<std::vec::Vec<u8>, _>`
[INFO] [stderr]                found type `std::result::Result<bytes::bytes::Bytes, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/lib.rs:143:37
[INFO] [stderr]     |
[INFO] [stderr] 143 |         macros::attribute_value!(b, self)
[INFO] [stderr]     |                                     ^^^^ expected struct `bytes::bytes::Bytes`, found struct `std::vec::Vec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `bytes::bytes::Bytes`
[INFO] [stderr]                found type `std::vec::Vec<u8>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `korat`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4eb9bb5cc0010fb6bee41832785eb99f748b32d9d50afe5d922d8e39268baa13"`
[INFO] running `"docker" "rm" "-f" "4eb9bb5cc0010fb6bee41832785eb99f748b32d9d50afe5d922d8e39268baa13"`
[INFO] [stdout] 4eb9bb5cc0010fb6bee41832785eb99f748b32d9d50afe5d922d8e39268baa13