[INFO] fetching crate engine_io_parser 0.2.0...
[INFO] checking engine_io_parser-0.2.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate engine_io_parser 0.2.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate engine_io_parser 0.2.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate engine_io_parser 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate engine_io_parser 0.2.0
[INFO] tweaked toml for crates.io crate engine_io_parser 0.2.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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" "+beta-2021-10-15" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faa29f46b3f10f951e9216182780ec8fb94705f8a875c50bc9bd4a373bd05644
[INFO] running `Command { std: "docker" "start" "-a" "faa29f46b3f10f951e9216182780ec8fb94705f8a875c50bc9bd4a373bd05644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faa29f46b3f10f951e9216182780ec8fb94705f8a875c50bc9bd4a373bd05644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa29f46b3f10f951e9216182780ec8fb94705f8a875c50bc9bd4a373bd05644", kill_on_drop: false }`
[INFO] [stdout] faa29f46b3f10f951e9216182780ec8fb94705f8a875c50bc9bd4a373bd05644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80de52d76fa69e967be7cb8b4501225ced8870828566704536228cbbc4117dfc
[INFO] running `Command { std: "docker" "start" "-a" "80de52d76fa69e967be7cb8b4501225ced8870828566704536228cbbc4117dfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking engine_io_parser v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parsed_str`
[INFO] [stdout]    --> src/binary.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         Ok(parsed_str) => Ok((
[INFO] [stdout]     |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused variable: `parsed_str`
[INFO] [stdout]    --> src/binary.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |         Ok(parsed_str) => Ok((
[INFO] [stdout]     |            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/string_test.rs:58:42
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 data: PacketData::Binary(Cow::Owned(vec![b'h', b'e', b'l', b'l', b'o'])),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/string_test.rs:62:42
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 data: PacketData::Binary(Cow::Owned(vec![1, 2, 3, 4]))
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/binary_test.rs:60:42
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 data: PacketData::Binary(Cow::Owned(vec![1u8, 2u8, 3u8, 4u8]))
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/string_test.rs:81:42
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 data: PacketData::Binary(Cow::Owned(vec![1, 2, 3, 4]))
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/binary_test.rs:78:38
[INFO] [stdout]    |
[INFO] [stdout] 78 |             data: PacketData::Binary(Cow::Owned(vec![16u8, 8u8, 4u8, 2u8])),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/string_test.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 data: PacketData::Binary(Cow::Owned(vec![1, 2, 3, 4]))
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                  found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `engine_io_parser` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> tests/binary_test.rs:89:38
[INFO] [stdout]    |
[INFO] [stdout] 89 |             data: PacketData::Binary(Cow::Owned(vec![0x54, 0x32, 0x18, 0x22, 0x44, 0x58])),
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> tests/binary_test.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 data: PacketData::Binary(Cow::Owned(vec![1, 2, 3, 4]))
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                  found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/encode_decode.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout] 32 |                 data: PacketData::Binary(vec![1, 2, 3, 4]),
[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]    = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/encode_decode.rs:76:46
[INFO] [stdout]    |
[INFO] [stdout] 76 |                     data: PacketData::Binary(Cow::Owned(vec![1, 2, 3, 4])),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/encode_decode.rs:91:46
[INFO] [stdout]    |
[INFO] [stdout] 91 |                     data: PacketData::Binary(Cow::Owned(vec![1, 2, 3, 4])),
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `bytes::bytes::Bytes`, found enum `Cow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `bytes::bytes::Bytes`
[INFO] [stdout]                 found enum `Cow<'_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "80de52d76fa69e967be7cb8b4501225ced8870828566704536228cbbc4117dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80de52d76fa69e967be7cb8b4501225ced8870828566704536228cbbc4117dfc", kill_on_drop: false }`
[INFO] [stdout] 80de52d76fa69e967be7cb8b4501225ced8870828566704536228cbbc4117dfc
