[INFO] fetching crate korat_derive 0.1.3...
[INFO] testing korat_derive-0.1.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate korat_derive 0.1.3 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate korat_derive 0.1.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f51be4eff7895e67fc63dc96b193f3f45114c67b2b06336b3d16f1b0b2a7bb4
[INFO] running `Command { std: "docker" "start" "-a" "2f51be4eff7895e67fc63dc96b193f3f45114c67b2b06336b3d16f1b0b2a7bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f51be4eff7895e67fc63dc96b193f3f45114c67b2b06336b3d16f1b0b2a7bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f51be4eff7895e67fc63dc96b193f3f45114c67b2b06336b3d16f1b0b2a7bb4", kill_on_drop: false }`
[INFO] [stdout] 2f51be4eff7895e67fc63dc96b193f3f45114c67b2b06336b3d16f1b0b2a7bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e95b17d168c8b64f1d22016b3445df0acc41b98847c6bc567124b1bc1832de1
[INFO] running `Command { std: "docker" "start" "-a" "0e95b17d168c8b64f1d22016b3445df0acc41b98847c6bc567124b1bc1832de1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling zeroize v1.4.1
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.16
[INFO] [stderr]    Compiling futures v0.3.16
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling hyper v0.14.11
[INFO] [stderr]    Compiling rusoto_credential v0.47.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling rusoto_signature v0.47.0
[INFO] [stderr]    Compiling rusoto_dynamodb v0.47.0
[INFO] [stderr]    Compiling 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 `HashSet<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 `HashSet<Vec<u8>>` cannot be built from `std::iter::Iterator<Item=bytes::bytes::Bytes>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<bytes::bytes::Bytes>` is not implemented for `HashSet<Vec<u8>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<bytes::bytes::Bytes>` cannot be built from an iterator over elements of type `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 `Vec<bytes::bytes::Bytes>` cannot be built from `std::iter::Iterator<Item=Vec<u8>>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<Vec<u8>>` is not implemented for `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 `Result<Vec<u8>, ConversionError>` because of return type
[INFO] [stdout] 95 |         attribute_value.b.ok_or(ConversionError::MissingValue)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Vec`, found struct `bytes::bytes::Bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<Vec<u8>, _>`
[INFO] [stdout]               found enum `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 `Vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]               found struct `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" "0e95b17d168c8b64f1d22016b3445df0acc41b98847c6bc567124b1bc1832de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e95b17d168c8b64f1d22016b3445df0acc41b98847c6bc567124b1bc1832de1", kill_on_drop: false }`
[INFO] [stdout] 0e95b17d168c8b64f1d22016b3445df0acc41b98847c6bc567124b1bc1832de1
