[INFO] fetching crate korat 0.2.0...
[INFO] checking korat-0.2.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] extracting crate korat 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate korat 0.2.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07b6e3b9cf5ce97019997594c617422b5f5f0aed63241d35ffb461f59b130a48
[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" "07b6e3b9cf5ce97019997594c617422b5f5f0aed63241d35ffb461f59b130a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07b6e3b9cf5ce97019997594c617422b5f5f0aed63241d35ffb461f59b130a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07b6e3b9cf5ce97019997594c617422b5f5f0aed63241d35ffb461f59b130a48", kill_on_drop: false }`
[INFO] [stdout] 07b6e3b9cf5ce97019997594c617422b5f5f0aed63241d35ffb461f59b130a48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7779b84fc6c69fdd2a1e7408527508dbd6fe43f4dc82bedef8f1f34e04b39941
[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" "7779b84fc6c69fdd2a1e7408527508dbd6fe43f4dc82bedef8f1f34e04b39941", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking openssl-sys v0.9.63
[INFO] [stderr]    Compiling rusoto_core v0.46.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking openssl v0.10.34
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking rusoto_credential v0.46.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_signature v0.46.0
[INFO] [stderr]     Checking rusoto_dynamodb v0.46.0
[INFO] [stderr]     Checking korat v0.2.0 (/opt/rustwide/workdir)
[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: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 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[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] [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 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[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" "7779b84fc6c69fdd2a1e7408527508dbd6fe43f4dc82bedef8f1f34e04b39941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7779b84fc6c69fdd2a1e7408527508dbd6fe43f4dc82bedef8f1f34e04b39941", kill_on_drop: false }`
[INFO] [stdout] 7779b84fc6c69fdd2a1e7408527508dbd6fe43f4dc82bedef8f1f34e04b39941