[INFO] fetching crate engine_io_parser 0.2.0...
[INFO] testing engine_io_parser-0.2.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate engine_io_parser 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate engine_io_parser 0.2.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d90b99105f249b404f59ed11a91559cf680a65cccd6dfde2c7ffd67e7251a2f9
[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" "d90b99105f249b404f59ed11a91559cf680a65cccd6dfde2c7ffd67e7251a2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d90b99105f249b404f59ed11a91559cf680a65cccd6dfde2c7ffd67e7251a2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d90b99105f249b404f59ed11a91559cf680a65cccd6dfde2c7ffd67e7251a2f9", kill_on_drop: false }`
[INFO] [stdout] d90b99105f249b404f59ed11a91559cf680a65cccd6dfde2c7ffd67e7251a2f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade7e053de6c7fe4b0de3aac00efd65aff1d942516802a4f6fb571e3ebf1018b
[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" "ade7e053de6c7fe4b0de3aac00efd65aff1d942516802a4f6fb571e3ebf1018b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "ade7e053de6c7fe4b0de3aac00efd65aff1d942516802a4f6fb571e3ebf1018b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade7e053de6c7fe4b0de3aac00efd65aff1d942516802a4f6fb571e3ebf1018b", kill_on_drop: false }`
[INFO] [stdout] ade7e053de6c7fe4b0de3aac00efd65aff1d942516802a4f6fb571e3ebf1018b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdba8bd96eb2ca25ec10f23e277123333bc2474f901830809bbe27f1b29c1529
[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" "cdba8bd96eb2ca25ec10f23e277123333bc2474f901830809bbe27f1b29c1529", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling plotters-svg v0.3.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling clap v2.33.3
[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 crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling engine_io_parser v0.2.0 (/opt/rustwide/workdir)
[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] 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/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: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/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/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] 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] [stderr] error: could not compile `engine_io_parser`
[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] [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]    --> 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cdba8bd96eb2ca25ec10f23e277123333bc2474f901830809bbe27f1b29c1529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdba8bd96eb2ca25ec10f23e277123333bc2474f901830809bbe27f1b29c1529", kill_on_drop: false }`
[INFO] [stdout] cdba8bd96eb2ca25ec10f23e277123333bc2474f901830809bbe27f1b29c1529