[INFO] fetching crate korat 0.2.0...
[INFO] checking korat-0.2.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate korat 0.2.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate korat 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3b93553aa7148640497bd440d3ebaf53f3c150d8091e2e88c8b6835f588963f
[INFO] running `Command { std: "docker" "start" "-a" "b3b93553aa7148640497bd440d3ebaf53f3c150d8091e2e88c8b6835f588963f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3b93553aa7148640497bd440d3ebaf53f3c150d8091e2e88c8b6835f588963f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b93553aa7148640497bd440d3ebaf53f3c150d8091e2e88c8b6835f588963f", kill_on_drop: false }`
[INFO] [stdout] b3b93553aa7148640497bd440d3ebaf53f3c150d8091e2e88c8b6835f588963f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b06b0bdeb0e3835bc3bfa8c5286e91537852cc0d0e9f8e4155203db2a8b6233
[INFO] running `Command { std: "docker" "start" "-a" "2b06b0bdeb0e3835bc3bfa8c5286e91537852cc0d0e9f8e4155203db2a8b6233", 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] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling native-tls v0.2.8
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[INFO] [stderr]     Checking httpdate v1.0.1
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[INFO] [stderr]    Compiling async-trait v0.1.51
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[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking shlex v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking zeroize v1.4.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
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[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rusoto_core v0.47.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.13
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[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_signature v0.47.0
[INFO] [stderr]     Checking rusoto_dynamodb v0.47.0
[INFO] [stderr]     Checking 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[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 `HashSet<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 `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]    --> src/lib.rs:133:51
[INFO] [stdout]     |
[INFO] [stdout] 133 |         macros::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[E0277]: a value of type `HashSet<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 `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]    --> src/lib.rs:133:51
[INFO] [stdout]     |
[INFO] [stdout] 133 |         macros::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]    --> src/lib.rs:139:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn from_attribute_value(attribute_value: AttributeValue) -> ConversionResult<Self> {
[INFO] [stdout]     |                                                                 ---------------------- expected `Result<Vec<u8>, ConversionError>` because of return type
[INFO] [stdout] 139 |         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]    --> src/lib.rs:143:37
[INFO] [stdout]     |
[INFO] [stdout] 143 |         macros::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] [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 `Result<Vec<u8>, ConversionError>` because of return type
[INFO] [stdout] 139 |         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] [stderr] error: could not compile `korat` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                found struct `Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:365:21
[INFO] [stdout]     |
[INFO] [stdout] 365 |             b: Some(input),
[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<{integer}>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:387:22
[INFO] [stdout]     |
[INFO] [stdout] 387 |             bs: Some(input),
[INFO] [stdout]     |                      ^^^^^ expected struct `bytes::bytes::Bytes`, found struct `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Vec<bytes::bytes::Bytes>`
[INFO] [stdout]                found struct `Vec<Vec<u8>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:403:40
[INFO] [stdout]     |
[INFO] [stdout] 403 |             assert!(retrieved.contains(&val))
[INFO] [stdout]     |                                        ^^^^ expected struct `bytes::bytes::Bytes`, found struct `Vec`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&bytes::bytes::Bytes`
[INFO] [stdout]                found reference `&Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 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: build failed
[INFO] running `Command { std: "docker" "inspect" "2b06b0bdeb0e3835bc3bfa8c5286e91537852cc0d0e9f8e4155203db2a8b6233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b06b0bdeb0e3835bc3bfa8c5286e91537852cc0d0e9f8e4155203db2a8b6233", kill_on_drop: false }`
[INFO] [stdout] 2b06b0bdeb0e3835bc3bfa8c5286e91537852cc0d0e9f8e4155203db2a8b6233
