[INFO] fetching crate fluvio-socket 0.8.0...
[INFO] checking fluvio-socket-0.8.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate fluvio-socket 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fluvio-socket 0.8.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fluvio-socket 0.8.0
[INFO] finished tweaking crates.io crate fluvio-socket 0.8.0
[INFO] tweaked toml for crates.io crate fluvio-socket 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-native-tls v0.3.3
[INFO] [stderr]   Downloaded fluvio-protocol-codec v0.3.0
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54e0eb1cb3da35015fdf892c3a0a54c351e65777e8240fc49f396cb0d3af291f
[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" "54e0eb1cb3da35015fdf892c3a0a54c351e65777e8240fc49f396cb0d3af291f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e0eb1cb3da35015fdf892c3a0a54c351e65777e8240fc49f396cb0d3af291f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e0eb1cb3da35015fdf892c3a0a54c351e65777e8240fc49f396cb0d3af291f", kill_on_drop: false }`
[INFO] [stdout] 54e0eb1cb3da35015fdf892c3a0a54c351e65777e8240fc49f396cb0d3af291f
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2f57f169c9ea1e108396199d3460e936898107e20176ba32bceadb82e57cdba
[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" "b2f57f169c9ea1e108396199d3460e936898107e20176ba32bceadb82e57cdba", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking fluvio-protocol-core v0.3.0
[INFO] [stderr]     Checking async-io v1.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]    Compiling fluvio-protocol-derive v0.2.0
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-net v1.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking fluvio-protocol-codec v0.3.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking fluvio-protocol-api v0.3.0
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking fluvio-future v0.3.0
[INFO] [stderr]     Checking fluvio-protocol v0.5.0
[INFO] [stderr]     Checking fluvio-socket v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/test_request.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[fluvio(encode_discriminant)]
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout] 13 | #[derive(Encode, Decode, PartialEq, Debug, Clone, Copy)]
[INFO] [stdout]    |          ------ the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> tests/enum.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[fluvio(encode_discriminant)]
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 6 | #[derive(Encode, Decode, PartialEq, Debug, Clone, Copy)]
[INFO] [stdout]   |          ------ the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.96s
[INFO] running `Command { std: "docker" "inspect" "b2f57f169c9ea1e108396199d3460e936898107e20176ba32bceadb82e57cdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f57f169c9ea1e108396199d3460e936898107e20176ba32bceadb82e57cdba", kill_on_drop: false }`
[INFO] [stdout] b2f57f169c9ea1e108396199d3460e936898107e20176ba32bceadb82e57cdba