[INFO] fetching crate korat_derive 0.1.3...
[INFO] testing korat_derive-0.1.3 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate korat_derive 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate korat_derive 0.1.3 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate korat_derive 0.1.3
[INFO] finished tweaking crates.io crate korat_derive 0.1.3
[INFO] tweaked toml for crates.io crate korat_derive 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_credential v0.44.0
[INFO] [stderr]   Downloaded rusoto_core v0.44.0
[INFO] [stderr]   Downloaded rusoto_signature v0.44.0
[INFO] [stderr]   Downloaded korat v0.1.3
[INFO] [stderr]   Downloaded rusoto_dynamodb v0.44.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51393b3563ba0678c616d25640d21c054465a83cb76db5e9d06bf12065c51e6a
[INFO] running `"docker" "start" "-a" "51393b3563ba0678c616d25640d21c054465a83cb76db5e9d06bf12065c51e6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling rusoto_core v0.44.0
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.33
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling pin-project v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling rusoto_credential v0.44.0
[INFO] [stderr]    Compiling rusoto_signature v0.44.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.44.0
[INFO] [stderr]    Compiling korat v0.1.3
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: a value of type `std::collections::HashSet<std::vec::Vec<u8>>` cannot be built from an iterator over elements of type `bytes::bytes::Bytes`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:83:50
[INFO] [stderr]    |
[INFO] [stderr] 83 |             .and_then(|mut vec| Ok(vec.drain(..).collect()))
[INFO] [stderr]    |                                                  ^^^^^^^ value 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 value of type `std::vec::Vec<bytes::bytes::Bytes>` cannot be built from an iterator over elements of type `std::vec::Vec<u8>`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:87:43
[INFO] [stderr]    |
[INFO] [stderr] 87 |         attribute_value!(bs, self.drain().collect())
[INFO] [stderr]    |                                           ^^^^^^^ value 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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     ) -> ConversionResult<Self> {
[INFO] [stderr]    |          ---------------------- expected `std::result::Result<std::vec::Vec<u8>, errors::ConversionError>` because of return type
[INFO] [stderr] 95 |         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 enum `std::result::Result<std::vec::Vec<u8>, _>`
[INFO] [stderr]               found enum `std::result::Result<bytes::bytes::Bytes, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 |         attribute_value!(b, self)
[INFO] [stderr]    |                             ^^^^ expected struct `bytes::bytes::Bytes`, found struct `std::vec::Vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stderr]               found struct `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] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "51393b3563ba0678c616d25640d21c054465a83cb76db5e9d06bf12065c51e6a"`
[INFO] running `"docker" "rm" "-f" "51393b3563ba0678c616d25640d21c054465a83cb76db5e9d06bf12065c51e6a"`
[INFO] [stdout] 51393b3563ba0678c616d25640d21c054465a83cb76db5e9d06bf12065c51e6a