[INFO] fetching crate korat 0.2.0...
[INFO] testing korat-0.2.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate korat 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate korat 0.2.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc993ef97308e11fbf97eae52da8f0ec8f02039abd7764ad352214efb6dc395d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc993ef97308e11fbf97eae52da8f0ec8f02039abd7764ad352214efb6dc395d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc993ef97308e11fbf97eae52da8f0ec8f02039abd7764ad352214efb6dc395d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc993ef97308e11fbf97eae52da8f0ec8f02039abd7764ad352214efb6dc395d", kill_on_drop: false }`
[INFO] [stdout] cc993ef97308e11fbf97eae52da8f0ec8f02039abd7764ad352214efb6dc395d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb587e249af0b550c0dd004d33653d70ef7d79eee4adfe454a9b20a39369c606
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cb587e249af0b550c0dd004d33653d70ef7d79eee4adfe454a9b20a39369c606", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling quick-error v2.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling aho-corasick v0.7.14
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling rusoto_core v0.45.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling regex v1.4.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures-util v0.3.6
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.6
[INFO] [stderr]    Compiling futures v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hyper v0.13.8
[INFO] [stderr]    Compiling rusoto_credential v0.45.0
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling rusoto_signature v0.45.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.45.0
[INFO] [stderr]    Compiling korat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from, decl_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/lib.rs:129:50
[INFO] [stdout]     |
[INFO] [stdout] 129 |             .and_then(|mut vec| Ok(vec.drain(..).collect()))
[INFO] [stdout]     |                                                  ^^^^^^^ value of type `std::collections::HashSet<std::vec::Vec<u8>>` cannot be built from `std::iter::Iterator<Item=bytes::bytes::Bytes>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::iter::FromIterator<bytes::bytes::Bytes>` is not implemented for `std::collections::HashSet<std::vec::Vec<u8>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 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] [stdout]    --> src/lib.rs:133:51
[INFO] [stdout]     |
[INFO] [stdout] 133 |         macros::attribute_value!(bs, self.drain().collect())
[INFO] [stdout]     |                                                   ^^^^^^^ value of type `std::vec::Vec<bytes::bytes::Bytes>` cannot be built from `std::iter::Iterator<Item=std::vec::Vec<u8>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::iter::FromIterator<std::vec::Vec<u8>>` is not implemented for `std::vec::Vec<bytes::bytes::Bytes>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn from_attribute_value(attribute_value: AttributeValue) -> ConversionResult<Self> {
[INFO] [stdout]     |                                                                 ---------------------- expected `std::result::Result<std::vec::Vec<u8>, errors::ConversionError>` because of return type
[INFO] [stdout] 139 |         attribute_value.b.ok_or(ConversionError::MissingValue)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `bytes::bytes::Bytes`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `std::result::Result<std::vec::Vec<u8>, _>`
[INFO] [stdout]                found enum `std::result::Result<bytes::bytes::Bytes, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:143:37
[INFO] [stdout]     |
[INFO] [stdout] 143 |         macros::attribute_value!(b, self)
[INFO] [stdout]     |                                     ^^^^ expected struct `bytes::bytes::Bytes`, found struct `std::vec::Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                found struct `std::vec::Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "cb587e249af0b550c0dd004d33653d70ef7d79eee4adfe454a9b20a39369c606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb587e249af0b550c0dd004d33653d70ef7d79eee4adfe454a9b20a39369c606", kill_on_drop: false }`
[INFO] [stdout] cb587e249af0b550c0dd004d33653d70ef7d79eee4adfe454a9b20a39369c606
