[INFO] fetching crate kafka 0.7.0...
[INFO] extracting crate kafka 0.7.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/kafka/0.7.0
[INFO] extracting crate kafka 0.7.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/kafka/0.7.0
[INFO] validating manifest of kafka-0.7.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kafka-0.7.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kafka-0.7.0
[INFO] finished frobbing kafka-0.7.0
[INFO] frobbed toml for kafka-0.7.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/kafka/0.7.0/Cargo.toml
[INFO] started frobbing kafka-0.7.0
[INFO] finished frobbing kafka-0.7.0
[INFO] frobbed toml for kafka-0.7.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/kafka/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kafka-0.7.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/kafka/0.7.0:/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=forbid" "-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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e39e9dfb38ab5f9dba11fd9aa6512b2525fd53360cd7af42325dcdec6941ca81
[INFO] running `"docker" "start" "-a" "e39e9dfb38ab5f9dba11fd9aa6512b2525fd53360cd7af42325dcdec6941ca81"`
[INFO] [stderr]     Checking kafka v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/compression/gzip.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Ok((compressed_bytes))
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/compression/gzip.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Ok((compressed_bytes))
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error 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/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error 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/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this error 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/error.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / error_chain! {
[INFO] [stderr] 12 | |     foreign_links {
[INFO] [stderr] 13 | |         Io(io::Error) #[doc="Input/Output error while communicating with Kafka"];
[INFO] [stderr] 14 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 79 | |     }
[INFO] [stderr] 80 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error 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: variable does not need to be mutable
[INFO] [stderr]    --> src/consumer/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/consumer/mod.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |         let mut retry_partitions = &mut self.state.retry_partitions;
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]    --> examples/console-producer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         use std::ascii::AsciiExt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/console-producer.rs:171:1
[INFO] [stderr]     |
[INFO] [stderr] 171 | / error_chain! {
[INFO] [stderr] 172 | |     links {
[INFO] [stderr] 173 | |         Kafka(kafka::error::Error, kafka::error::ErrorKind);
[INFO] [stderr] 174 | |     }
[INFO] [stderr] ...   |
[INFO] [stderr] 178 | |     }
[INFO] [stderr] 179 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error 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: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]    --> examples/console-producer.rs:196:13
[INFO] [stderr]     |
[INFO] [stderr] 196 |         use std::ascii::AsciiExt;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> examples/console-consumer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'example::openssl::ssl::SslConnectorBuilder::builder_mut': SslConnectorBuilder now implements DerefMut<Target=SslContextBuilder>
[INFO] [stderr]   --> examples/example-ssl.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let mut ctx = builder.builder_mut();
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/example-ssl.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |             let mut ctx = builder.builder_mut();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/console-producer.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut rec = &mut rec_stash[next_rec];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> examples/offset-monitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> examples/console-consumer.rs:75:1
[INFO] [stderr]    |
[INFO] [stderr] 75 | / error_chain! {
[INFO] [stderr] 76 | |     foreign_links {
[INFO] [stderr] 77 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 78 | |         Io(io::Error);
[INFO] [stderr] 79 | |         Opt(getopts::Fail);
[INFO] [stderr] 80 | |     }
[INFO] [stderr] 81 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error 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: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> examples/console-consumer.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> examples/offset-monitor.rs:367:1
[INFO] [stderr]     |
[INFO] [stderr] 367 | / error_chain! {
[INFO] [stderr] 368 | |     foreign_links {
[INFO] [stderr] 369 | |         Kafka(kafka::error::Error);
[INFO] [stderr] 370 | |         Io(io::Error);
[INFO] [stderr] 371 | |         Opt(getopts::Fail);
[INFO] [stderr] 372 | |     }
[INFO] [stderr] 373 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this error 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: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> examples/offset-monitor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `"docker" "inspect" "e39e9dfb38ab5f9dba11fd9aa6512b2525fd53360cd7af42325dcdec6941ca81"`
[INFO] running `"docker" "rm" "-f" "e39e9dfb38ab5f9dba11fd9aa6512b2525fd53360cd7af42325dcdec6941ca81"`
[INFO] [stdout] e39e9dfb38ab5f9dba11fd9aa6512b2525fd53360cd7af42325dcdec6941ca81