[INFO] fetching crate korat_derive 0.1.3...
[INFO] documenting korat_derive-0.1.3 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate korat_derive 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate korat_derive 0.1.3 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_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-12/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] [stderr]     Blocking waiting for file lock on package cache
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cd715cc2023230b7ddcf4aded14925eb13422a58e9cdf36a066dbd42e23e3873
[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" "cd715cc2023230b7ddcf4aded14925eb13422a58e9cdf36a066dbd42e23e3873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd715cc2023230b7ddcf4aded14925eb13422a58e9cdf36a066dbd42e23e3873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd715cc2023230b7ddcf4aded14925eb13422a58e9cdf36a066dbd42e23e3873", kill_on_drop: false }`
[INFO] [stdout] cd715cc2023230b7ddcf4aded14925eb13422a58e9cdf36a066dbd42e23e3873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97030a26c995b947287a1c337b67e25adeaf567d5baae2cdf9d57530b5587ed2
[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" "97030a26c995b947287a1c337b67e25adeaf567d5baae2cdf9d57530b5587ed2", kill_on_drop: false }`
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking syn v1.0.45
[INFO] [stderr]    Compiling rusoto_core v0.45.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking rusoto_credential v0.45.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking rusoto_signature v0.45.0
[INFO] [stderr]     Checking rusoto_dynamodb v0.45.0
[INFO] [stderr]     Checking korat v0.1.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_from)]
[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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:83:50
[INFO] [stdout]    |
[INFO] [stdout] 83 |             .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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:87:43
[INFO] [stdout]    |
[INFO] [stdout] 87 |         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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ) -> ConversionResult<Self> {
[INFO] [stdout]    |          ---------------------- expected `std::result::Result<std::vec::Vec<u8>, errors::ConversionError>` because of return type
[INFO] [stdout] 95 |         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]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/korat-0.1.3/src/lib.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |         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] running `Command { std: "docker" "inspect" "97030a26c995b947287a1c337b67e25adeaf567d5baae2cdf9d57530b5587ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97030a26c995b947287a1c337b67e25adeaf567d5baae2cdf9d57530b5587ed2", kill_on_drop: false }`
[INFO] [stdout] 97030a26c995b947287a1c337b67e25adeaf567d5baae2cdf9d57530b5587ed2
