[INFO] updating cached repository topher6345/kafka-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/topher6345/kafka-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/topher6345/kafka-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/topher6345/kafka-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/topher6345/kafka-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/topher6345/kafka-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/topher6345/kafka-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/topher6345/kafka-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27e582d8e8fb449441d09354cd916885057239f4
[INFO] sha for GitHub repo topher6345/kafka-rust: 27e582d8e8fb449441d09354cd916885057239f4
[INFO] validating manifest of topher6345/kafka-rust on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of topher6345/kafka-rust on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing topher6345/kafka-rust
[INFO] finished frobbing topher6345/kafka-rust
[INFO] frobbed toml for topher6345/kafka-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/topher6345/kafka-rust/Cargo.toml
[INFO] started frobbing topher6345/kafka-rust
[INFO] finished frobbing topher6345/kafka-rust
[INFO] frobbed toml for topher6345/kafka-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/topher6345/kafka-rust/Cargo.toml
[INFO] crate topher6345/kafka-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing topher6345/kafka-rust against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/topher6345/kafka-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] be7f65e9f45bb4ff91ddc57a1dbc76c42684419f01bc5a69d3ed4cf0fe551756
[INFO] running `"docker" "start" "-a" "be7f65e9f45bb4ff91ddc57a1dbc76c42684419f01bc5a69d3ed4cf0fe551756"`
[INFO] [stderr]    Compiling ref_slice v1.1.1
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling snap v0.2.4
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling twox-hash v1.1.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling env_logger v0.5.10
[INFO] [stderr]    Compiling kafka v0.7.0
[INFO] [stderr]    Compiling hello_kafka v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / error_chain! {
[INFO] [stderr] 77 | |     foreign_links {
[INFO] [stderr] 78 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 79 | |         Io(io::Error);
[INFO] [stderr] 80 | |         Opt(getopts::Fail);
[INFO] [stderr] 81 | |     }
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / error_chain! {
[INFO] [stderr] 77 | |     foreign_links {
[INFO] [stderr] 78 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 79 | |         Io(io::Error);
[INFO] [stderr] 80 | |         Opt(getopts::Fail);
[INFO] [stderr] 81 | |     }
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.31s
[INFO] running `"docker" "inspect" "be7f65e9f45bb4ff91ddc57a1dbc76c42684419f01bc5a69d3ed4cf0fe551756"`
[INFO] running `"docker" "rm" "-f" "be7f65e9f45bb4ff91ddc57a1dbc76c42684419f01bc5a69d3ed4cf0fe551756"`
[INFO] [stdout] be7f65e9f45bb4ff91ddc57a1dbc76c42684419f01bc5a69d3ed4cf0fe551756
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/topher6345/kafka-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19056afc4a09ddd81d0bd0f488f3bca0f21b3c4c6be2e71cab632604dffa8caf
[INFO] running `"docker" "start" "-a" "19056afc4a09ddd81d0bd0f488f3bca0f21b3c4c6be2e71cab632604dffa8caf"`
[INFO] [stderr]    Compiling hello_kafka v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / error_chain! {
[INFO] [stderr] 77 | |     foreign_links {
[INFO] [stderr] 78 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 79 | |         Io(io::Error);
[INFO] [stderr] 80 | |         Opt(getopts::Fail);
[INFO] [stderr] 81 | |     }
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | / error_chain! {
[INFO] [stderr] 77 | |     foreign_links {
[INFO] [stderr] 78 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 79 | |         Io(io::Error);
[INFO] [stderr] 80 | |         Opt(getopts::Fail);
[INFO] [stderr] 81 | |     }
[INFO] [stderr] 82 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "19056afc4a09ddd81d0bd0f488f3bca0f21b3c4c6be2e71cab632604dffa8caf"`
[INFO] running `"docker" "rm" "-f" "19056afc4a09ddd81d0bd0f488f3bca0f21b3c4c6be2e71cab632604dffa8caf"`
[INFO] [stdout] 19056afc4a09ddd81d0bd0f488f3bca0f21b3c4c6be2e71cab632604dffa8caf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/topher6345/kafka-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c0cd7be580a538a0f0d2080da7439a18ce8bc26f8f13ec087a9466b1a23dfbe3
[INFO] running `"docker" "start" "-a" "c0cd7be580a538a0f0d2080da7439a18ce8bc26f8f13ec087a9466b1a23dfbe3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_kafka-25dbc768c10d58da
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c0cd7be580a538a0f0d2080da7439a18ce8bc26f8f13ec087a9466b1a23dfbe3"`
[INFO] running `"docker" "rm" "-f" "c0cd7be580a538a0f0d2080da7439a18ce8bc26f8f13ec087a9466b1a23dfbe3"`
[INFO] [stdout] c0cd7be580a538a0f0d2080da7439a18ce8bc26f8f13ec087a9466b1a23dfbe3