[INFO] cloning repository https://github.com/twe4ked/kafka-event-processor-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twe4ked/kafka-event-processor-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fkafka-event-processor-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fkafka-event-processor-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b24d09ea4f5d5370eebd3371ba8aeb9c3104f8c0
[INFO] checking twe4ked/kafka-event-processor-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwe4ked%2Fkafka-event-processor-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twe4ked/kafka-event-processor-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twe4ked/kafka-event-processor-rust
[INFO] finished tweaking git repo https://github.com/twe4ked/kafka-event-processor-rust
[INFO] tweaked toml for git repo https://github.com/twe4ked/kafka-event-processor-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/twe4ked/kafka-event-processor-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kafka v0.8.0
[INFO] [stderr]   Downloaded sharded-slab v0.0.7
[INFO] [stderr]   Downloaded ref_slice v1.2.0
[INFO] [stderr]   Downloaded tracing-serde v0.1.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.0-alpha.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aa0d099a8aa97fb2dcb7a423fbb1f0f5803ae1c853cdd910e657359d6ffa9798
[INFO] running `Command { std: "docker" "start" "-a" "aa0d099a8aa97fb2dcb7a423fbb1f0f5803ae1c853cdd910e657359d6ffa9798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0d099a8aa97fb2dcb7a423fbb1f0f5803ae1c853cdd910e657359d6ffa9798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0d099a8aa97fb2dcb7a423fbb1f0f5803ae1c853cdd910e657359d6ffa9798", kill_on_drop: false }`
[INFO] [stdout] aa0d099a8aa97fb2dcb7a423fbb1f0f5803ae1c853cdd910e657359d6ffa9798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b5cbbccf1fef2a68c564bd555a0dbe4970cc9e96b9e1402fb06e38dfa390fcf
[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" "1b5cbbccf1fef2a68c564bd555a0dbe4970cc9e96b9e1402fb06e38dfa390fcf", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking ref_slice v1.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.9
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.7
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking backtrace v0.3.42
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking kafka v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tracing-attributes v0.1.6
[INFO] [stderr]     Checking tracing v0.1.12
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking tracing-serde v0.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking framework v0.1.0 (/opt/rustwide/workdir/framework)
[INFO] [stderr]     Checking tracing-subscriber v0.2.0-alpha.4
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stdout] warning: unused variable: `event`
[INFO] [stdout]    --> app/src/events.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let event = Event::from(value);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_event`
[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 54.73s
[INFO] running `Command { std: "docker" "inspect" "1b5cbbccf1fef2a68c564bd555a0dbe4970cc9e96b9e1402fb06e38dfa390fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5cbbccf1fef2a68c564bd555a0dbe4970cc9e96b9e1402fb06e38dfa390fcf", kill_on_drop: false }`
[INFO] [stdout] 1b5cbbccf1fef2a68c564bd555a0dbe4970cc9e96b9e1402fb06e38dfa390fcf